The linear scale factor of the enlargement is 6.7 (580 cm³/87 cm³). To the nearest hundredth, the linear scale factor of the enlargement is 6.70.
The surface area scale factor of the enlargement is 33.2 (290 cm³/8.7 cm³). To the nearest hundredth, the surface area scale factor of the enlargement is 33.17.
Surface area is the combined area of all the faces of a three-dimensional object. It is the area that is visible when looking at the outside of the object. It is often used to calculate the amount of material needed for a certain project or product. It is also used to calculate the cost and energy required to heat or cool a certain space. Surface area can be calculated using geometry and calculus, or it can be measured directly.
1. Linear scale factor: The linear scale factor of the enlargement is the ratio of the volume of the larger jar to the volume of the smaller jar. The volume of the larger jar is 0.58 L which is equivalent to 580 cm³. The volume of the smaller jar is 87 cm³. Therefore, the linear scale factor of the enlargement is 6.7 (580 cm³/87 cm³). To the nearest hundredth, the linear scale factor of the enlargement is 6.70.
2. Surface area scale factor: The surface area scale factor of the enlargement is the ratio of the surface area of the larger jar to the surface area of the smaller jar. The surface area of a jar depends on its radius. Since the radius of the larger jar is larger than the radius of the smaller jar, the surface area of the larger jar is larger than the surface area of the smaller jar.
Therefore, the surface area scale factor of the enlargement is greater than 1. To calculate this factor, we can use the formula for the surface area of a cylinder: A = 2πrh, where r is the radius and h is the height. The height of both jars is the same, so we can calculate the surface area scale factor by dividing the radius of the larger jar by the radius of the smaller jar. The radius of the larger jar is 0.29 L, which is equivalent to 290 cm³. The radius of the smaller jar is 8.7 cm³.
Therefore, the surface area scale factor of the enlargement is 33.2 (290 cm³/8.7 cm³). To the nearest hundredth, the surface area scale factor of the enlargement is 33.17.
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Complete questions as follows-
Use the following information to answer the next two questions Raj Jars Ltd. Sells different types of similar jars. One of their jars has a volume of 87 cm³ and another has a volume of 0.58 L. 1. What is the linear scale factor of the enlargement to the nearest hundredth? Remember 1L = 1000 cm³ 2. What is the surface area scale factor of the enlargement to the nearest hundredth? Remember 1L = 1000 cm³
what element is defined by the following information? p = 17 n° = 20 e- = 17
The element defined by the given information p = 17 n° = 20 e- = 17 is Chlorine (Cl).
An atom consists of protons, neutrons, and electrons. The atomic number of an element corresponds to the number of protons present in the nucleus of an atom. Hence, the atomic number (p) of the given element is 17. A neutral atom contains an equal number of protons and electrons.
Therefore, the number of electrons (e-) of the given element is 17 as well. The number of neutrons (n°) can be calculated as the difference between the atomic mass number (A) and the atomic number (p).
In the case of the given element, the atomic number is 17, and the atomic mass number is 37 (as chlorine has two stable isotopes of mass numbers 35 and 37). Hence, n° = 37 - 17 = 20. Therefore, the element defined by the given information p = 17 n° = 20 e- = 17 is Chlorine (Cl).
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expand and simplify 2(x+7) + 3(x+1)
Answer:
[tex]5x + 17[/tex]
Step-by-step explanation:
[tex]2(x + 7) + 3(x + 1)[/tex]
Multiply every term inside the bracket by the term on the outside:
[tex]2x + 14 + 3x + 3[/tex]
Collect like terms:
[tex]5x + 17[/tex]
Answer:
[tex]\large\boxed{\tt 5x + 17}[/tex]
Step-by-step explanation:
[tex]\textsf{We are asked to expand, and simplifying 2 expressions.}[/tex]
[tex]\textsf{We should understand what the question is asking from us first.}[/tex]
[tex]\large\underline{\textsf{What are Expressions?}}[/tex]
[tex]\textsf{Expressions are statements that are made up of 2 or more terms. Such expressions}[/tex]
[tex]\textsf{should incl\textsf{u}de an operation as well. (+, -, } \tt \times, \tt \div )[/tex]
[tex]\large\underline{\textsf{What is Expanding?}}[/tex]
[tex]\textsf{Expanding in Mathematics involves with the Distributive Property, where an}[/tex]
[tex]\textsf{expression is expanded to further simplify the expression.}[/tex]
[tex]\underline{\textsf{How are we able to expand expressions?}}[/tex]
[tex]\textsf{Expanding Expressions has to incl\textsf{u}de the Distributive Property.}[/tex]
[tex]\large\underline{\textsf{What is the Distributive Property?}}[/tex]
[tex]\boxed{\begin{minipage}{23 em} \\ \underline{\textsf{\large Distributive Property;}} \\ \\ \textsf{Distributive Property is a property that allows us to multiply the term to the left of the parentheses into the terms inside the parentheses.} \\ \\ \underline{\textsf{\large Example;}} \\ \tt a(b+c)=ab+ac \\ \textsf{For this example, a will multiply with the terms b and c.}\end{minipage}}[/tex]
[tex]\textsf{Even though Distributive Property is mainly used for Distributing 1 term}[/tex]
[tex]\textsf{expressions, it's commonly used for distributing binomials as well, which involves}[/tex]
[tex]\textsf{the FOIL Method.}[/tex]
[tex]\large\underline{\textsf{What is the FOIL Method?}}[/tex]
[tex]\textsf{The FOIL Method is a very useful method that tells us step-by-step how to}[/tex]
[tex]\textsf{multiply 2 binomials. For any polynomial with 2 or more terms, apply the idea}[/tex]
[tex]\textsf{of the FOIL method, however using it more than once.}[/tex]
[tex]\underline{\textsf{FOIL Means;}}[/tex]
[tex]\textsf{F - Front Terms.}[/tex]
[tex]\tt ( \ \boxed{\tt x} + 1 )( \ \boxed{\tt x} - 1 )[/tex]
[tex]\textsf{O - Outer Terms.}[/tex]
[tex]\tt ( \ \boxed{\tt x} + 1 )( x - \boxed{\tt 1} \ )[/tex]
[tex]\textsf{I - Inside Terms}[/tex]
[tex]\tt (x + \boxed{\tt 1} \ )( \ \boxed{\tt x} - 1 )[/tex]
[tex]\textsf{L - Last Terms.}[/tex]
[tex]\tt (x + \boxed{\tt 1} \ )( x - \boxed{\tt 1} \ )[/tex]
[tex]\large\underline{\textsf{What is Simplifying?}}[/tex]
[tex]\textsf{Simplifying anything related to mathematics means to reduce, and to make the}[/tex]
[tex]\textsf{final answer much simpler and clean.}[/tex]
[tex]\underline{\textsf{What are some ways that we can Simplify?}}[/tex]
[tex]\textsf{Combining Like Terms,}[/tex][tex]\textsf{Distributive Property,}[/tex][tex]\textsf{Reducing Radicals/Fractions.}[/tex][tex]\large\underline{\textsf{Solving;}}[/tex]
[tex]\textsf{We are given 2 expressions where we should use the Distributive Property to}[/tex]
[tex]\textsf{expand both of the expressions. Lastly, simplify the expression by combining any}[/tex]
[tex]\textsf{like terms necessary.}[/tex]
[tex]\tt 2(x+7) + 3(x+1)[/tex]
[tex]\underline{\textsf{Use the Distributive Property;}}[/tex]
[tex]\tt 2(x+7) = (2(x)) + (2(7)) = 2x+14[/tex]
[tex]\tt 3(x+1) = (3(x)) + (3(1)) = 3x+3[/tex]
[tex]\tt 2(x+7) + 3(x+1) = 2x+14+3x+3[/tex]
[tex]\underline{\textsf{Combine Like Terms;}}[/tex]
[tex]\tt \boxed{\tt 2x} + 14 + \boxed{\tt 3x} + 3[/tex]
[tex]\tt 5x + \boxed{\tt 14} + \boxed{\tt 3}[/tex]
[tex]\large\boxed{\tt 5x + 17}[/tex]
A repairman charges an inspection fee plus $28 per hour. A customer with a coupon for 20% off the inspection fee pays $96 for a 2-hour repair. How many hours are worked when a customer pays $162 without a coupon?
When a customer pays $162 without a coupon, the repairman worked for approximately 3.88 hours.
To solve the problem, we can use algebraic equations. Let x be the number of hours worked and let y be the inspection fee. Then, we have two equations:
y + 0.8y = 96 (the customer with the coupon pays $96 for a 2-hour repair)
y + 28x = 162 (the customer without the coupon pays $162)
Simplifying the first equation, we get:
1.8y = 96
y = 53.33
Substituting y into the second equation and solving for x, we get:
53.33 + 28x = 162
28x = 108.67
x = 3.88
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Divide 15x5-3x³-9x² by -3x².
choices:
12x³ - 6x - 12
-5x³ - 6x + 3
−5x3 + X + 3
-5x³ + x-3
Answer:
(C) −5x^3 + x + 3.
Step-by-step explanation:
To divide 15x^5 - 3x^3 - 9x^2 by -3x^2, we can follow these steps:
Divide the coefficient of the first term by the coefficient of the divisor: (-15x^5) / (-3x^2) = 5x^3.
Multiply the divisor by the quotient obtained in step 1: -3x^2 * 5x^3 = -15x^5.
Subtract the product obtained in step 2 from the dividend: 15x^5 - (-15x^5) = 30x^5.
Repeat steps 1 to 3 for the next term: (-3x^3) / (-3x^2) = x, -3x^2 * x = -3x^3, -3x^3 - (-3x^3) = 0.
Repeat steps 1 to 3 for the last term: (-9x^2) / (-3x^2) = 3, -3x^2 * 3 = -9x^2, -9x^2 - (-9x^2) = 0.
Therefore, the result of the division is:
5x^3 + 0x + 3
Simplifying the expression, we get:
5x^3 + 3
Therefore, the correct answer is (C) −5x^3 + x + 3.
Answer:
C:−5x3 + X + 3
Step-by-step explanation:
I took the test and got it right
three randomly chosen seattle students were asked how many round trips they made to canada last year. their replies were 3, 4, 5. the geometric mean is group of answer choices 3.915 4.000 4.422 3.877
The Geometric mean of the number of Canada trips made by the three Seattle students is approximately 3.915.
The question states that three randomly chosen Seattle students were asked how many round trips they made to Canada last year, and their replies were 3, 4, and 5.
To calculate the geometric mean of a set of numbers, we need to multiply all the numbers together and then take the nth root of the product, where n is the total numb of numbers in the set. In this case, we have three numbers: 3, 4, and 5.
To find the geometric mean, we multiply these numbers together:
3 x 4 x 5 = 60
Then we take the cube root (since there are three numbers)
In the given student question, three randomly chosen Seattle students were asked how many round trips they made to Canada last year.
The task is to find the geometric mean of these values.
The geometric mean is calculated by multiplying all of the values together and then taking the nth root, where n is the number of values.
In this case, n = 3, so the formula for the geometric mean GeometricGeometric mean = (3 x 4 x 5)
Geometric mean ≈ 3.915
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Using the net below, find the surface area
of the triangular prism.
8 cm
6 cm
4 cm
4 cm
Surface Area
5 cm
5 cm
5 cm
=
8 cm
[?] cm²
W
Answer:
140 cm²
Step-by-step explanation:
You want the total surface area of a triangular prism as represented by the given net.
AreaThe total area is the sum of the areas of the two triangular bases and the three rectangular faces. The relevant formulas are ...
A = 1/2bh . . . . . . area of triangle with base b, height h
A = bh . . . . . . . area of rectangle with base b, height h
ApplicationThe total area is ...
SA = 2(1/2bh) +(b1)h +(b2)h +(b3)h . . . . . . . triangle h=5, rectangle h=8
SA = 2(1/2)(4 cm)(5 cm) + (8 cm)(6 cm +4 cm +5 cm)
= 20 cm² +(8 cm)(15 cm)
= 140 cm²
The total surface area of the triangular prism is about 140 cm².
Four of the angles of a pentagon measure 85°, 110°, 135°, and 95°. Find the measure of the missing angle.
A pentagon has five angles, and the sum of the angles of a pentagon is equal to 540°. Therefore, the measure of the fifth angle can be found by subtracting the sum of the given angles from 540°:
540° - (85° + 110° + 135° + 95°) = 540° - 425° = 115°.
Therefore, the measure of the missing angle is 115°.
Sum of the angles of a n-sided polygon:
[tex]\text{S}_{\text{n}}=180^\circ\times(\text{n}-2)[/tex]
In this question, we have a pentagon, so
[tex]\text{n}=5,[/tex]
then
[tex]\text{S}_5=180^\circ\times(5-2)[/tex]
[tex]\text{S}_5=180^\circ\times3[/tex]
[tex]\text{S}_5=540^\circ \longleftarrow \ \text{sum of the measures of the internal\\}[/tex]
[tex]\text{angles of a pentagon.}[/tex]
Let [tex]\text{x}[/tex] be the measure of the missing angle. So,
[tex]85^\circ+110^\circ+135^\circ+95^\circ+\text{x}=\text{S}_5[/tex]
[tex]425^\circ+\text{x}=540^\circ[/tex]
[tex]\text{x}=540^\circ-425^\circ[/tex]
[tex]\text{x}=115^\circ\longleftarrow \ \ \ \text{measure of the missing angle.}[/tex]
Tags: sum internal angle missing pentagon polygon plane geometry
(7x²y³ + 4x³y² - y²) - (-2x³y² – 3x²y³ + 6y²)
Therefore , the solution of the given problem of expressions comes out to be the formula is 4x³y² + 10x²y³ - 7y².
What is an expression ?Instead of using estimates produced at random, it is better to use shifting integer variables that can be rising, reducing, or blocking. They could only help one another by sharing tools, information, or solutions to issues. The justifications, elements, and mathematical remarks for techniques like additional disapproval, manufacture, and mixture may be included in a statement of truth equation.
Here,
All terms enclosed in brackets must have their signs changed in order to subtract the equation from the first expression:
=> (7x²y³ + 4x³y² - y²) - (-2x³y² – 3x²y³ + 6y²)
=> 7x²y³ + 4x³y² - y² + 2x³y² + 3x²y³ - 6y²
We can now mix similar terms:
=> 4x³y² + 10x²y³ - 7y²
As a result, the formula is 4x³y² + 10x²y³ - 7y².
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please help. i dont understand math
The value of x in the parallelogram is 10.
How to find the angle of a parallelogram?A parallelogram is a quadrilateral with opposite sides equal to each other and opposite sides parallel to each other.
The sum of angles in a parallelogram is 360 degrees. The parallelogram JKPQ has the following angles.
Therefore,
m∠J = 2x + 10
m∠P = 3x - 20
Hence, the opposite angles of a parallelogram are congruent.
Therefore,
m∠J = m∠P
2x + 10 = 3x - 20
2x - 3x = -20 - 10
-3x = -30
divide both sides by -3
x = -30 / -3
x = 10
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what percentage of compounds formed from the extract of this plant fall within 2 standard deviations of the mean? answer:
The percentage of compounds formed from this plant extract fell within two standard deviations of the mean, equal to 95.45%.
We tested an extract of a plant native to Taiwan as a possible treatment for leukemia. The amounts of collagen were found to be normally distributed with a mean = 62
standard deviation = 6.9 g/ml.
This is true for any normal distribution, regardless of the actual values of the mean and standard deviation.
The standard normal distribution is a normal distribution with mean zero and standard deviation 1. The standard normal distribution is centered around zero and the degree to which measurements deviate from the mean is represented by the standard deviation.
For a standard normal distribution, 68% of observations are within one standard deviation of the mean95% are within 2 standard deviations of the mean and 99.9% are within 3 standard deviations of the mean.Therefore, the required percentage is approx. 95.45% are within 2 standard deviations of the mean 62.
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Complete question:
The extract of a plant native to Taiwan has been tested as a possible treatment for Leukemia. One of the chemical compounds produced from the plant was analyzed for a particular collagen. The collagen amount was found to be normally distributed with a mean of 62 and standard deviation of 6.9 grams per mililiter.What percentage of compounds formed from the extract of this plant fall within 2 standard deviations of the mean?
Jakim deposited $10,000 in an account that earned simple interest annually.
- He did not make additional deposits nor withdrawals.
-At the end of 7 years, the balance was $12,100.
What is the interest rate on this account?
Answer:
Step-by-step explanation:
Simple interest is a method for calculating the percentage of interest paid on a sum over a predetermined time period at a predetermined rate. The annual simple interest rate on the principal amount of 10000 at the end of 7 years would be 3%.
What exactly is simple interest?In simple interest, the principal amount doesn't change. Simple interest is a clear-cut and simple method for figuring out how much money has earned interest. It is a way to figure out how much interest will be charged.
Simple interest can be computed by multiplying the principal amount by the rate multiplied by the time period. In banks and other financial institutions, simple interest is frequently used to complete a variety of calculations. The total amount of cash that was spent on interest during the course of the loan is described.
Simple Interest = ( Principal × Rate × Time ) / 100
First, we need the Simple Interest (S.I)
Total = Principal + Simple Interest
T = P + S.I
$10,000 = $12,100. + S.I
S.I = $12,100 - $10,000
S.I = 2100
Simple Interest = (Principal × Rate × Time) / 100
S.I = (P × R × T) / 100
2100 = (10000 × R × 7) / 100
2100 = 70000R / 100
2100 = 700R
R = 2100 / 700
R = 3
Thus, The annual interest rate is 3%
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A kite is flying 86 ft off the ground, and its string is pulled taut. The angle of elevation of the kite is 56 degrees . Find the length of the string. Round your answer to the nearest tenth.
Pls Help!!
Find m/ABC if BD is an angle bisector.
Answer:
[tex]\large\boxed{\tt \angle ABC = 146^{\circ}.}[/tex]
Step-by-step explanation:
[tex]\textsf{We are asked to solve for} \ \tt \angle ABC. \ \textsf{We are given that} \ \overrightarrow{\tt BD} \ \textsf{is an \underline{Angle Bisector}.}[/tex]
[tex]\large\underline{\textsf{What are Angle Bisectors?}}[/tex]
[tex]\textsf{Angle Bisectors are \underline{Line Segments} that bisect a full angle into 2 congruent angles.}[/tex]
[tex]\textsf{Think of Angle Bisectors as cutting something into half, both pieces will be congruent.}[/tex]
[tex]\large\underline{\textsf{Solving;}}[/tex]
[tex]\textsf{Because} \ \overrightarrow{\tt BD} \ \textsf{is an Angle Bisector, then} \ \angle \tt ABD \cong \angle CBD. \ \textsf{This will mean that both}[/tex]
[tex]\textsf{angles are \underline{congruent} to each other, hence their measures are the same.}[/tex]
[tex]\tt 4a+13=7a-32[/tex]
[tex]\textsf{Let's begin solving for a, afterwards we should substitute a back into} \ \tt \angle ABD, \ \textsf{multiply}[/tex]
[tex]\textsf{the angles' measure by 2 since} \ \tt \angle CBD \cong \angle ABD, \ \textsf{then we are able to identify the}[/tex]
[tex]\textsf{measure of} \ \tt \angle ABC.[/tex]
[tex]\underline{\textsf{Find the value of a;}}[/tex]
[tex]\tt 4a+13=7a-32[/tex]
[tex]\underline{\textsf{Subtract 7a from both sides of the equation;}}[/tex]
[tex]\tt 4a-7a+13=7a-7a-32[/tex]
[tex]\tt -3a+13=-32[/tex]
[tex]\underline{\textsf{Subtract 13 from both sides of the equation;}}[/tex]
[tex]\tt -3a+13-13=-32-13[/tex]
[tex]\tt -3a=-45[/tex]
[tex]\underline{\textsf{Divide both sides of the equation by -3;}}[/tex]
[tex]\large\boxed{\tt a=15}[/tex]
[tex]\underline{\textsf{Substitute 15 back into} \ \tt \angle ABD;}[/tex]
[tex]\tt \angle ABD = 4(15) + 13[/tex]
[tex]\tt \angle ABD = 73^{\circ}[/tex]
[tex]\underline{\textsf{Multiply} \ \tt \angle ABD \ \textsf{by 2;}}[/tex]
[tex]\tt \angle ABD \ + \ \angle CBD= 73^{\circ} \times 2[/tex]
[tex]\tt \angle ABD \ + \ \angle CBD= 146^{\circ}[/tex]
[tex]\textsf{146}^{\circ} \ \textsf{represents the value of} \ \tt \angle ABC.[/tex]
[tex]\large\underline{\textsf{Hence;}}[/tex]
[tex]\large\boxed{\tt \angle ABC = 146^{\circ}.}[/tex]
Find the quotient. Write your answer in descending order with respect to the power of h.
(4h²+6h²-3)÷2h/3
Answer: 15h
Step-by-step explanation:
Aija and John both have Only Fans pages in which they receive income based on the number of monthly subscriptions.
In 2022, Aija had 560 paid monthly subscribers, each paying $14. John earned $76,000, in the last 8 months of 2022, with each monthly subscriber paying $19. Who made more money in 2022 with their page? Who has more subscribers? What recommendations would you give to your peers who may be considering creating an Only Fans account?
Applying the SOLVE strategy
“S” - What is the problem asking you to find?
“O” - What facts are necessary for you to answer the problem?
“L” - What operations, steps, or plans can you use to obtain your answer?
“V” - Demonstrate your work by showing your steps.
“E” - Look at your answer. Does it make sense? Did you answer all parts of the problem?
Both Aija and John have Only Fans sites where they may earn money according to the amount of monthly subscribers; however, John's Only Fans page brought in more cash in 2022.
"S"-What is the issue requesting that you find?
The issue is that it wants to see who had more subscribers and made the most money in 2022 via their Just Fans page. We must also offer suggestions to people who are thinking about opening an Only Fans profile.
“O” - Which specific details are required for you to provide a solution?
We must contrast Aija and John's earnings to determine who earned more money. Also, we need to compare how many subscribers any of them had.
For Aija:
Number of paid monthly subscribers= 560
Monthly subscription fee =14
For John:
Total earnings in the last 8 months of 2022 =76000
Monthly subscription fee =19
"L"-What procedures, methods, or strategies may you employ to arrive at your conclusion?
We must figure out Aija and John's combined wages in 2022 in order to compare how much they will each make. We must contrast the amount of paid requirements apply each of them had in order to compare the total number of subscribers. Finally, we must offer advice to people who are thinking about opening an Only Fan account.
“V” - Demonstrate your work by showing your steps.
Total earnings for Aija:
14*560*12 months=940800
Total earnings for John:
76000/8 months=9500 per month
19*x=9500
x=500subscribers
Total subscribers for John =500*12=6000 subscribers
Total earnings for John =19*6000*12=1368000 subscribers
Therefore, John made more money in 2022 with his Only Fans page and also had more subscribers.
"E" – Consider your response. Do you understand it? Did you address every aspect of the issue?
Our response makes logic, so yes. Due to his increased membership cost and greater subscriber base, John made more money from Aija. We have addressed every aspect of the issue by contrasting the earnings of Aija and John as well as the numbers of members they both had.
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Find the missing dimension of the triangle.
Area = 32 m²
16 m
h
pls help I'll mark brainlisest
Answer:
4 m
Step-by-step explanation:
The formula to find the area of the triangle is:
[tex]\sf Area = \frac{1}{2} *base*height[/tex]
Given that,
Area = 32m²
Base = 16m
Height =?
Let us use the given formula to find the height of the triangle.
[tex]\sf Area = \frac{1}{2} *base*height\\\\\sf 32m^2 = \frac{1}{2} *16*h\\\\32= \frac{16h}{2} \\\\32=8h\\\\\frac{32}{8} =\frac{8h}{8} \\\\4m = height[/tex]
how many positive odd integers less than 10,000 can be written using digits 3,4,6,8, and 0
the total number of positive odd integers less than 10,000 that can be written using the digits 3, 4, 6, 8, and 0 is 64 + 64 = 128.
Why is it?
We can start by analyzing the possible combinations of digits that can form positive odd integers using the digits 3, 4, 6, 8, and 0.
For a number to be odd, the units digit must be 3, 5, 7, or 9. Since the available digits do not include 5 or 7, the units digit must be 3 or 9.
Case 1: Units digit is 3
In this case, we have four remaining digits (0, 4, 6, and 8) to use for the thousands, hundreds, and tens places. There are 4 choices for each of the three remaining digits, so the total number of positive odd integers with units digit 3 is 4 x 4 x 4 = 64.
Case 2: Units digit is 9
Similar to case 1, there are four remaining digits (0, 4, 6, and 8) to use for the thousands, hundreds, and tens places. Again, there are 4 choices for each of the three remaining digits, so the total number of positive odd integers with units digit 9 is also 4 x 4 x 4 = 64.
Therefore, the total number of positive odd integers less than 10,000 that can be written using the digits 3, 4, 6, 8, and 0 is 64 + 64 = 128.
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Can you help me find the answer
Answer:
a Obtuse b 136 girls c Hockey d 16.7
Step-by-step explanation:
50a obtuse
b 136 girls
c Hockey
d [tex]\frac{60}{360} *100\\=16.6667...\\16.7[/tex]
meen 260 students measured the length of a 10.00 mm standard specimen certified in iso (international standard organization) 25 times. the results are below, group sample mean [mm] sample deviation [mm] group a 10.00 0.51 group b 13.00 0.06 group c 12.00 0.55 group d 11.00 2.00 all students used the same vernier calipers with 0.01 mm resolution. which group has the largest uncertainty error in a 95% confidence level (assume t (95%) value is 2.0)?
The group with the largest uncertainty error in a 95% confidence level among Group A, B, C, and D is Group D.
To determine the uncertainty error for each group, we'll calculate the margin of error using the formula:
Margin of Error = t (95%) × (sample deviation / sqrt(sample size))
Assuming a t (95%) value of 2.0 and a sample size of 25 for all groups, we have:
Group A:
Margin of Error = [tex]2.0 × (0.51 / sqrt(25)) = 2.0 × (0.51 / 5) = 0.204[/tex]
Group B:
Margin of Error =[tex]2.0 × (0.06 / sqrt(25)) = 2.0 × (0.06 / 5) = 0.024[/tex]
Group C:
Margin of Error = [tex]2.0 × (0.55 / sqrt(25)) = 2.0 × (0.55 / 5) = 0.22[/tex]
Group D:
Margin of Error = [tex]2.0 × (2.00 / sqrt(25)) = 2.0 × (2.00 / 5) = 0.8[/tex]
Based on the margin of error calculations, Group D has the largest uncertainty error at a 95% confidence level, with a
margin of error of 0.8 mm.
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An experiment consists of rolling two fair number cubes. The diagram shows the sample space of all equally likely outcomes. Find P(1 and 2). Express your answer as a fraction in simplest form.
Since the sample space contains [tex]36[/tex] equally likely outcomes, each outcome has a probability of [tex]1/36[/tex]
What is the probability?The sample space consists of all possible outcomes when rolling two number cubes. Each cube has six equally likely outcomes, so the total number of outcomes is[tex]6\times6=36.[/tex]
P(1 and 2) refers to the probability of rolling a 1 on the first cube and a 2 on the second cube. There is only one outcome that satisfies this condition, which is [tex](1, 2)[/tex] .
Therefore, the probability of rolling a 1 and 2 is:
P(1 and 2) = (number of outcomes that satisfy the condition)/(total number of possible outcomes)
P(1 and 2) [tex]= 1/36[/tex]
Therefore, the probability of rolling a [tex]1[/tex] and [tex]2[/tex] is [tex]1/36[/tex] .
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Answer:
Since the sample space contains 36 equally likely outcomes, each outcome has a probability of 1 / 36.
We know that probability is defined as number of favourable outcomes divided by total number of outcomes.
Step-by-step explanation:
An experiment occurs of rolling two fair number cubes.
We have given number of favourable outcomes = 2 {(2,1), (1,2)}
Number of Total Outcomes = 36
So ,
Probability = Number of favourable outcomes / Total Outcomes
P(1 and 2) refers to the probability of rolling a 1 on the first cube and a 2 on the second cube. There is only one outcome that satisfies this condition, which is (1, 2).
P(1 and 2) = 2 / 36
P(1 and 2) = 1 / 18
Hence , 1 / 18 is the answer as a fraction in simplest form.
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IF YOU HELP ME ILL MARK YOU THE BRAINLIEST AND DO WHATEVER YOU NEED JUST PLEASE HELP ITS URGENT
Step-by-step explanation:
Y = 4 is a horizontal line
other horizontal lines do NOT intersect
ALL vertical lines or lines with slope DO intersect :
y = x y = -x x = 3 x = 7 x = -3
PLEASE HELP QUICK PLEASE
The value of x in the similar triangle is 9 units.
How to find mid segment of a triangle?The midsegment of a triangle is a line connecting the midpoints between two sides of a triangle. Therefore, the midsegment theorem states that a line segment connecting the midpoints of any two sides of a triangle is parallel to the third side of a triangle and is half of it.
Hence,
9 / 72 = 3x - 20 / 56
cross multiply
9 × 56 = 72(3x - 20)
504 = 216x - 1440
504 + 1440 = 216x
1944 = 216x
divide both sides by 216
x = 1944 / 216
x = 9
Therefore,
x = 9
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Ronnie had a certain number of movies, m. One-fourth of those movies were action movies. He sold eleven action movies to reach a grand total of four action movies.
m/4 - 11 = 4
What was the original number of movies Ronnie had?
A.
60
B.
56
C.
30
D.
45
the original number of movies Ronnie had was 60, which is option A.
Let's first understand the given problem. Ronnie had a certain number of movies, which we don't know and is represented by the variable 'm'. One-fourth of the total movies (m/4) were action movies. Now, Ronnie sold eleven action movies and ended up with only four action movies left. This means that he sold m/4 - 11 action movies, and the remaining action movies were 4. So, we can write the equation as:
m/4 - 11 = 4
Let's solve this equation to find the value of m. First, we will add 11 to both sides of the equation to get:
m/4 = 4 + 11
Simplifying this, we get:
m/4 = 15
Now, we will multiply both sides of the equation by 4 to get rid of the fraction:
m = 15 x 4
m = 60
Therefore, the original number of movies Ronnie had was 60, which is option A.
To explain this in more detail, we can use algebraic reasoning. We started with the equation m/4 - 11 = 4 and solved for m. To do so, we first added 11 to both sides of the equation to isolate the variable on one side. This gave us m/4 = 15. To solve for m, we multiplied both sides by 4 to cancel out the denominator and get m = 60.
Therefore, Ronnie originally had 60 movies, and one-fourth of those (m/4) were action movies. He sold 11 action movies, leaving him with only 4 action movies, and we were able to find the original number of movies using algebraic reasoning.
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Which probability distribution table reflects the data shown in the bar graph?
X yellow, red , orange, blue, green
P 0.5 , 0.4, 0.3, 0.2, 0.1
X yellow, red , orange, blue, green
P 0.5, 0.5, 0.5, 0.5, 0.5
X yellow, red , orange, blue, green
P 0.1, 0.2, 0.3, 0.4, 0.5
X yellow, red , orange, blue, green
P 0.2, 0.2, 0.2, 0.2, 0.2,
Based on the information provided in the question, we can determine that the correct probability distribution table that reflects the data shown in the bar graph is:
X Yellow Red Orange Blue Green
P 0.5 0.4 0.3 0.2 0.1
What is probability ?
Probability is a mathematical concept used to measure the likelihood or chance of an event occurring. It is expressed as a number between 0 and 1, with 0 indicating that the event is impossible and 1 indicating that the event is certain. Probabilities between 0 and 1 represent the degree of uncertainty or likelihood of the event occurring.
For example, if a fair coin is tossed, the probability of it landing heads up is 0.5, since there are two equally likely outcomes (heads or tails) and only one of them is heads. Similarly, the probability of drawing a spade from a standard deck of 52 cards is 1/4 or 0.25, since there are four suits and only one of them is spades.
Probability theory is used extensively in many fields, including statistics, science, engineering, finance, and more, to model and analyze uncertain events and make informed decisions.
This is because the bar graph represents the frequency or probability of occurrence of each color, and the given probabilities in the table match with the corresponding frequencies represented in the bar graph.
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Help me solve this please
The area of the trapezoid is 81 in² (optionC)
What is area of a trapezoid?A trapezoid is a quadrilateral with one pair of opposite sides parallel. The area of a trapezoid is expressed as;
A = 1/2(a+b)h
Where a and b are the two opposite sides and h is the height.
The height = 9 in
The two opposite sides are 5 and 13
Therefore ;
A = 1/2( 13+5) 9
A = 1/2 × 18 × 9
A = 9 × 9
A= 81 in²
therefore the area of the trapezoid is 81 in²
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Answer:
It really just deleted my answer..
Solve.
4p^2 - 50 = 350
O {-100, 100}
O {-400, 100}
O {-10, 10}O {-10, 100}
Step-by-step explanation:
You're welcome.
The double number line shows that Kimimela fed her rabbits 350
350350 days this year. Her foster brother fed them the other days.
A double number line with 2 tick marks. The line labeled Time, days, reads from left to right: 0, 350. The line labeled Percentage, reads from left to right: 0 percent, 100 percent.
A double number line with 2 tick marks. The line labeled Time, days, reads from left to right: 0, 350. The line labeled Percentage, reads from left to right: 0 percent, 100 percent.
Complete the table to show different percentages of the days that Kimimela fed her rabbits.
Time (days) Percentage
100
%
100%100, percent of 350
350350 days
20
%
20%20, percent of 350
350350 days
80
%
80%80, percent of 350
350350 days
Stuck?Review related articles/videos or use a hint.
To complete the table, we need to calculate the number of days Kimimela fed her rabbits for each given percentage. To do this, we can use proportions.
For example, to find out how many days Kimimela fed her rabbits if she fed them 20% of the time, we can set up the proportion:
20/100 = x/350
where x is the number of days Kimimela fed her rabbits. Cross-multiplying, we get:
100x = 20 * 350
Solving for x, we get:
x = 20 * 350/100 = 70
So, if Kimimela fed her rabbits 20% of the time, she fed them for 70 days.
Using the same method, we can complete the table as follows:
Time (days) Percentage
100
%
100%100, percent of 350
350350 days
20
%
20%20, percent of 350
7070 days
80
%
80%80, percent of 350
280280 days
Therefore, if Kimimela fed her rabbits 100% of the time, she fed them for all 350 days. If she fed them 20% of the time, she fed them for 70 days. And if she fed them 80% of the time, she fed them for 280 days.
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help me pleaseeeeeeeeee!!!!!!!!
Answer:
4³, 8², and 2⁶ are all equivalent to 64¹
Answer:
A, C, F
Step-by-step explanation:
A. 4 x 4 x 416 x 4= 64
C. 8 x 8 = 64
F. 2x2=4x2= 8x2=16x2=32 x 2= 64
A cylinder has a base radius of 10m and a height of 18m. What is its volume in
cubic m, to the nearest tenths place?
Answer: 5654.9
Step-by-step explanation:
V=pi*r^2*h
r=10
h=18
V=pi*10^2*18
V=pi*100*18
V=pi*1800
V=5654.866776
tenths place:
V=5654.9
costs for standard veterinary services at a local animal hospital follow a normal distribution with a mean of $79 and a standard deviation of $20. what is the probability that one bill for veterinary services costs between $55 and $103?
The required probability which represents the a bill for veterinary services costs between $55 and $103 using normal distribution is approximately 0.7745, or 77.45%.
Let X be the cost of a standard veterinary service bill.
X follows a normal distribution with mean μ = $79
And standard deviation σ = $20.
The probability that X is between $55 and $103,
P(55 ≤ X ≤ 103)
To standardize X, we use the formula,
Z = (X - μ) / σ
Substituting the values for μ and σ, we get,
⇒Z = (X - 79) / 20
The probability of 55 ≤ X ≤ 103,
Calculate the corresponding z-scores for 55 and 103,
And then calculate the probability of the interval between these two z-scores using a standard normal table .
The z-score for 55 is,
Z = (55 - 79) / 20
= -1.2
The z-score for 103 is,
Z = (103 - 79) / 20
= 1.2
Using a standard normal table or calculator, the probability of the interval between these two z-scores is,
P(-1.2 ≤ Z ≤ 1.2) ≈ 0.7745
Therefore, the probability that a bill for veterinary services costs between $55 and $103 is approximately 0.7745, or 77.45%.
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