Point A rounded to the nearest whole Number is 35, and rounded to the nearest ten is 40.
Let's analyze the vertical number line and Point A:
1. The number line is labeled 30 to 40, with tick marks every one unit.
2. Point A is slightly above the tick mark 35.
Now, we need to round Point A to the nearest whole number and the nearest ten.
To round to the nearest whole number:
1. Observe the position of Point A on the number line.
2. Since Point A is slightly above 35, it's closer to 35 than 36.
3. Therefore, Point A rounded to the nearest whole number is 35.
To round to the nearest ten:
1. Observe the position of Point A (35) in relation to the tens (30 and 40) on the number line.
2. Since 35 is exactly halfway between 30 and 40, it is equidistant from both.
3. In this case, we round up to the next ten, which is 40.
4. Therefore, Point A rounded to the nearest ten is 40.
In summary, Point A rounded to the nearest whole number is 35, and rounded to the nearest ten is 40.
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9-3: Lesson Ouiz Two number cubes whose sides are numbered 1 through 6 are rolled on a table. The two numbers showing are added. If you repeat this process 300 times, how many times would you expect the two cubes to add to exactly 7?
Answer:
300 I think because when you repeat it 300 times it will give an exactly 7 300 times
In a random sample of 50 frogs, 17 had elevated mercury content. Is there significant evidence (at the alpha = 0.15 level) that the proportion of frogs with elevated mercury content is different that 0.5?
There is significant evidence that the proportion of frogs with elevated mercury content is different than 0.5, The p-value is approximately 0.038.
What is significant evidence?
To test whether the proportion of frogs with elevated mercury content is significantly different from 0.5, we can use a one-sample proportion test. The null hypothesis is that the true proportion is 0.5, and the alternative hypothesis is that it is different from 0.5.
Let's calculate the test statistic and p-value using the following formula:
z = (p - P0) / √(P0*(1-P0)/n)
where p is the sample proportion (17/50 = 0.34), P0 is the null hypothesis value (0.5), and n is the sample size (50).
z = (0.34 - 0.5) / √(0.5*0.5/50) = -2.07
The calculated z-value is -2.07. We can find the p-value by looking up the area to the left of -2.07 in the standard normal distribution table or by using a statistical software package. The p-value is approximately 0.038.
Since the p-value (0.038) is less than the alpha level of 0.15, we can reject the null hypothesis and conclude that there is significant evidence that the proportion of frogs with elevated mercury content is different than 0.5.
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A student bought a 10-speed bike on sale for $92. She paid for the bike in $10 bills and toonies. If the number of $10 bills exceeds the number of toonies by 2, how many of each did she use? Toonie = 200 cents / 2.00 dollars
The student used 6 toonies (worth $12) and 8 $10 bills (worth $80) to pay for the bike.
what is distribution?
Distribution can refer to various things depending on the context, but in general, it means the act of dividing or sharing something among a group of people or things.
In mathematics and statistics, distribution refers to the pattern or spread of values of a variable in a population or a sample. It describes how the values of a variable are distributed or arranged, and can be represented by a probability distribution or a frequency distribution.
In business and economics, distribution refers to the process of getting products or services from the manufacturer or producer to the consumer or end user. It involves various activities such as transportation, warehousing, and retailing, and is an important part of the supply chain management.
In politics and social sciences, distribution can refer to the allocation of resources or benefits among individuals or groups in a society. It can involve issues such as income distribution, wealth distribution, and resource allocation, and is a key concern in social justice and welfare policies.
In general, distribution is a fundamental concept that involves the division or sharing of something, and can be applied in various fields and contexts.
Let's start by using algebra to solve the problem. Let x be the number of toonies and x + 2 be the number of $10 bills.
The total cost of the bike is $92, which is equivalent to 9200 cents. The number of toonies is x, which is worth 200 cents each, so the total value of the toonies is 200x cents. The number of $10 bills is x + 2, which is worth 1000 cents each, so the total value of the $10 bills is 1000(x + 2) cents. Therefore, we can write the equation:
200x + 1000(x + 2) = 9200
Simplifying and solving for x:
1200x + 2000 = 9200
1200x = 7200
x = 6
Therefore, the student used 6 toonies (worth $12) and 8 $10 bills (worth $80) to pay for the bike.
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Select the correct answer from each drop-down menu.
Points A, B, and C form a triangle. Complete the statements to prove that the sum of the interior angles of AABC is 180°.
C
Reason
m21=m24 and m23 = m25
m24+ m22+ m25= 180°
mz1+m22+ m/3 = 180°
Statement
Points A, B, and C form a triangle.
given
Let DE be a line passing through B and parallel to AC. definition of parallel lines
23 25 and 21 24
angle addition and definition of a straight line
substitution
Using congruent angles , we have been able to prove that the sum of the interior angles of ΔABC is 180°.
How to find the angle proof?We are given that:
A, B, and C form a triangle.
The sum of the interior angles of ΔABC is 180°.
We want to find the complete the statements to prove that the sum of the interior angles of ΔABC is 180°
From the attached diagram, we have that:
A triangle ABC with angle 1, 2 and 3.
Line DE and AC are parallel and then BA is a traversal line.
Thus, the alternate interior angle is:
∠1 = ∠4
∠3 = ∠5
Therefore, the angle formed on line is:
∠4 + ∠2 + ∠5 = 180
∠1 + ∠2 + ∠3 = 180
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Find the measurements of the missing angles.
the measurements of the missing angles are-
c = 96°
a= 84°
b= 84°
e= 42°
d= 96°
f=96°
What does an angle mean?Both the largest and the tiniest walls of a skew are determined by an intersection of the lines that connect that make up its ends. A junction could possibly bring two routes together. Another result of two objects interacting is an angle. They most closely resemble dihedral shapes. Two line beams can be arranged in a variety of ways between their extremities to form a two-dimensional curve.
Here,
c = 96 °(A pair of vertically opposite angles are always equal to each other)
a + c = 180°(a vertical angle and its adjacent angle are supplementary angles, i.e., they add up to 180 degrees)
so, a= 180°-96°
a= 84°
therefore, b = 84°(A pair of vertically opposite angles are always equal to each other)
as shown in figure, 2e = 84°
that is, e = 84°/2
e = 42°
2e+f = 180°(a vertical angle and its adjacent angle are supplementary angles, i.e., they add up to 180 degrees)
f=180°-2e (placing the value of e)
f = 180° -84°
so, f=96°
therefore d = 96°(A pair of vertically opposite angles are always equal to each other)
therefore, the measurements of the missing angles are-
c = 96°
a= 84°
b= 84°
e= 42°
d= 96°
f=96°
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The police lieutenant in charge of the traffic division reviews the number of traffic citations issued by each of the police officers in his division. He finds that the mean number of citations written by each officer is 23.2 citations per day, with a standard deviation of 3.1. Assume that the distribution of the number of tickets issued is approximately bell-shaped. The coefficient of variation for the number of citations is
Answer:
[tex] \sf \: 13.36\%[/tex]
Step-by-step explanation:
The coefficient of variation (CV) is a measure of relative variability, which expresses the standard deviation as a percentage of the mean. It can be calculated as follows:
[tex] \sf \: CV = \frac{standard \: deviation}{mean} \times 100%[/tex]
In this case, the mean number of citations is 23.2, and the standard deviation is 3.1. Thus, the coefficient of variation is:
[tex] \sf \: CV = \frac{3.1}{23.2} \times 100% [/tex]
[tex] \sf = 13.36\%[/tex]
Therefore, the coefficient of variation for the number of citations is approximately 13.36%.
A real estate broker decides to lease a car for 36 months. Suppose the anual interest rate is 7.8%, the negotiated price is $49,000, there is no trade-in, and the down payment is $4,000. Find the monthly lease payment (in dollars). Assume that the residual value is 49% of the MSRP of $51,500. (Round your answer to the nearest cent.)
Answer:
To find the monthly lease payment, we need to use the formula:
Monthly lease payment = (Net capitalized cost - Residual value) / Lease term in months
where:
Net capitalized cost = negotiated price - down payment
Residual value = percentage of MSRP x MSRP
Lease term in months = 36
First, we need to calculate the net capitalized cost:
Net capitalized cost = $49,000 - $4,000 = $45,000
Next, we need to calculate the residual value:
Residual value = 49% x $51,500 = $25,235
Now we can plug in the values and solve for the monthly lease payment:
Monthly lease payment = ($45,000 - $25,235) / 36 = $548.76
Therefore, the monthly lease payment is approximately $548.76.
Add 11.7+19.1 what the answer
Answer:
➠ 11.7 + 19.1
➠ 30.8
Answer: 30.8
1. Add 11 and 19
2. Add .7 and .1
3. Put the results together
Please mark brainliest! Hope this helped!
4. Myron Security, Inc., had total sales for 1 year of $945,860. Their advertising expenses were $57,370. a. Estimate the percent advertising expenses were of total sales.
The calculated value of the percent advertising expenses were of total sales is 6.07%
How to estimate the percent advertising expenses were of total sales.To estimate the percent advertising expenses were of total sales, we need to calculate the ratio of advertising expenses to total sales and then convert it to a percentage.
The ratio of advertising expenses to total sales is:
$57,370 / $945,860 = 0.0607
To convert this ratio to a percentage, we can multiply it by 100:
0.0607 x 100 = 6.07%
Therefore, we can estimate that the advertising expenses were approximately 6.07% of the total sales.
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0.1(9) repeating as a decimal.
Answer:
0.2
Step-by-step explanation:
You want to know the value of 0.199...repeating 9s.
ValueLet the value be represented by x:
x = 0.1999...
Then 10x is ...
10x = 1.9999...
The difference is ...
10x -x = 1.9999... -0.1999... = 1.8
9x = 1.8 . . . . . simplify
x = 1.8/9 = 0.2
The value of the repeating decimal is 0.2.
__
Additional comment
The repeating decimal 0.99... is equivalent to 9/9 = 1. The repeating portion of 0.1999... has the value 0.1, Added to the first non-repeating digit, the sum is ...
[tex]0.1\overline{9}=0.1+0.0\overline{9}=0.1+0.1=0.2[/tex]
(URGENT)An engineer has a 40:1 scale drawing of a bridge. The dimensions of the scaled bridge deck are 24 inches by four and four fifths inches. What is the area of the actual bridge deck in square feet?
460 square feet
640 square feet
960 square feet
1,280 square feet
The area οf the actual bridge deck in square feet is 1,280 square feet.
What is Area?Area refers tο the measurement οf the size οf a twο-dimensiοnal surface, usually measured in square units such as square inches, square feet, οr square meters. It represents the amοunt οf space that is inside the bοundary οf a flat οbject οr shape.
The scale οf the drawing is 40:1, which means that the dimensiοns οf the scaled bridge deck are 40 times smaller than the actual bridge deck. Tο find the area οf the actual bridge deck in square feet, we need tο cοnvert the dimensiοns οf the scaled bridge deck frοm inches tο feet and then multiply by the square οf the scale factοr (40² = 1600).
The dimensiοns οf the scaled bridge deck in feet are:
24 inches = 2 feet
4 and 4/5 inches = 0.4 feet
Sο, the area οf the scaled bridge deck in square feet is:
2 feet x 0.4 feet = 0.8 square feet
Tο find the area οf the actual bridge deck in square feet, we need tο multiply the area οf the scaled bridge deck by the square οf the scale factοr:
Area οf actual bridge deck = 0.8 square feet x (40²) = 1280 square feet
Therefοre, the area οf the actual bridge deck in square feet is 1,280 square feet.
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Answer:
Step-by-step explanation:
The scale factor indicates the actual bridge is 40 times larger than the drawing.
Increase the scale dimensions by the factor of 40.
24 times 40 = 960"
4.8 times 40 = 192" (I changed 4 4/5 to 4.8)
Area = length times width
960 times 192 = 184320 sq inches actual bridge deck in square inches
Divide 183320 by 144 (sq inches in a square foot) = 1280 sq feet
please help thanks! asap :))
4a² - 3b² + ab/(a- b)(a + b) is the solution of equation .
What does a math equation mean?
An equation is a mathematical statement that proves two mathematical expressions are equal in algebra, and this is how it is most commonly used.
For instance, the equation 3x + 5 = 14 contains two expressions, 3x + 5 and 14, which are separated by the 'equal' sign. When two expressions are joined by an equal sign, a mathematical statement is called an equation.
2ab/a² - b² - b/a-b + 4
= 2ab/(a- b)(a + b) - b/(a - b) + 4
= 2ab/(a- b)(a + b) - b(a + b) +4(a- b)(a + b)/(a- b)(a + b)
= 2ab - ab - b² + 4a² - 4b²/(a- b)(a + b)
= 4a² - 3b² + ab/(a- b)(a + b)
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A parabola opening up or down has vertex (0, -2) and passes through (6, 1). Write its
equation in vertex form.
Answer: y = (1/12)x^2 - 2
Step-by-step explanation:
The equation of a parabola in vertex form is given by:
y = a(x-h)^2 + k
where (h,k) is the vertex of the parabola and "a" is a coefficient that determines the shape of the parabola.
In this case, the vertex is given as (0, -2), so h = 0 and k = -2. Also, the parabola passes through the point (6, 1), which means that when x = 6, y = 1. We can use this information to solve for "a".
Substituting the values of h, k, x, and y in the equation, we get:
1 = a(6-0)^2 - 2
Simplifying this equation, we get:
1 + 2 = 36a
3 = 36a
a = 3/36
a = 1/12
Now that we know the value of "a", we can substitute it in the vertex form equation to get the final equation of the parabola:
y = (1/12)(x-0)^2 - 2
Simplifying this equation, we get:
y = (1/12)x^2 - 2
Therefore, the equation of the parabola in vertex form is y = (1/12)x^2 - 2.
ompounding goes from _ value to _ value.
Answer:
Compounding goes from present value to future value.
I need to know the answer in the photo
The product between functions f(x) and g(x) gives:
(f·g)(x) = x⁵ - 2x³ + 2x² - 8x + 4
What is the product between the two functions?Here we have the functions:
f(x) = x³ - 4x + 2
g(x) = x² + 2
The product:
(f·g)(x) is just the product between the two functions, this gives:
f(x)·g(x)
Replacing these functions we will get.
(x³ - 4x + 2)*( x² + 2)
Expanding that product, we will get:
x³*x² + 2x³ - 4x*x² - 8x + 2x² + 4
x⁵ - 2x³ + 2x² - 8x + 4
That is the product.
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Please help (special right triangles) :) step by step plss
The third side of the right angled triangle is 45.
What is right angled triangle?
A right angled triangle, also known as a right triangle, is a type of triangle that has one angle that measures exactly 90 degrees, called the right angle. This angle is formed where the two shorter sides of the triangle meet.
To solve this problem, we can use the concept of special right triangles, specifically the 3-4-5 right triangle. In a 3-4-5 right triangle, the sides are in the ratio of 3:4:5.
Let's label the length of the triangle as [tex]$L$[/tex], the height as [tex]$H$[/tex], and the hypotenuse as [tex]X[/tex].
The Pythagorean theorem states that in a right triangle, the sum of the squares of the legs is equal to the square of the hypotenuse. Therefore, we can set up the following equation:
[tex]$$ L^2 + H^2 = X^2 $$[/tex]
Substitute the given values.
We are given that [tex]$L = 27$[/tex] and [tex]$H = 36$[/tex], so we can substitute these values into the equation:
[tex]$$ 27^2 + 36^2 = X^2 $$[/tex]
Simplify the equation.
Evaluating the squares on the left side, we get:
[tex]$$ 729 + 1296 = X^2 $$[/tex]
Simplifying the right side, we get:
[tex]$$ 2025 = X^2 $$[/tex]
Solve for X.
Taking the square root of both sides, we get:
[tex]$$ X = \sqrt{2025} $$[/tex]
[tex]$$ X = 45 $$[/tex]
Therefore, the third side of the triangle is 45.
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Write and solve an equation to represent the hanger.
The equation for the hanger is 2x + 2x + 2 = 11 and x = 9/4
What are algebraic expressions?Algebraic expressions are defined as mathematical expressions that are composed of variables, constants, factors, coefficient and terms.
They are also made up of arithmetic operations, such as;
SubtractionAdditionBracketParenthesesMultiplicationDivisionFrom the diagram shown, we have that;
2x, 2x + 2 = 11
x + 2 + x + 2 + x as the remaining expression for the hanger
Then, this can be represented as;
2x + 2x + 2= 11
collect the like terms and add the terms
4x =11 - 2
4x = 9
Make 'x' the subject
x = 9/4
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X2 _ __ +11 =(x-11)(x-1
x^2 - 12x + 11 = (x-11)(x-1)
Step-by-step explanation:
To find the missing term in the equation x^2 + __x + 11 = (x-11)(x-1), we can expand the right side to get:
x^2 - 12x + 11
Comparing this to the left side, we see that the missing term is -12x. Therefore, the complete equation is:
x^2 - 12x + 11 = (x-11)(x-1)
Answer:
+ 7
Step-by-step explanation:
Can anyone helppp??? Look at image below
A graph of the coordinates of the vertices of the image after a dilation by the given scale factor and center of dilation is shown in the image below.
What is dilation?In Geometry, dilation simply refers to a type of transformation which typically changes the size of a geometric object, but not its shape.
Next, we would apply a dilation to the coordinates of the pre-image by using a scale factor of 0.5 centered at the origin as follows:
Ordered pair J (-8, 0) → J' (-8 × 0.5, 0 × 0.5) = J' (-4, 0).
Ordered pair K (-4, 4) → K' (-4 × 0.5, 4 × 0.5) = K' (-2, 2).
Ordered pair L (-2, 0) → L' (-2 × 0.5, 0 × 0.5) = L' (-1, 0).
Next, we would have to dilate the coordinates of the preimage by using a scale factor of 1/3 centered at the point B (3, 3) by using this mathematical expression:
(x, y) → (k(x - a) + a, k(y - b) + b)
For coordinate A, B, and C, we have;
Coordinate A = (9, 9) → (1/3(9 - 3) + 3, 1/3(9 - 3) + 3) = (5, 5).
Coordinate B = (3, 3) → (1/3(3 - 3) + 3, 1/3(3 - 3) + 3) = (3, 3).
Coordinate C = (6, 0) → (1/3(6 - 3) + 3, 1/3(0 - 3) + 3) = (4, 2).
For coordinate D, E, and F, we have;
Coordinate D = (2, -2) → (1.5(2 - 4) + 3, 1.5(-2 + 2) + 3) = (0, 3).
Coordinate E = (4, -2) → (1.5(4 - 4) + 3, 1.5(-2 + 2) + 3) = (3, 3).
Coordinate F = (1, -4) → (1.5(1 - 4) + 3, 1.5(-4 + 2) + 3) = (-1.5, 0).
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Question 3 a) What is the theoretical probability of rolling a sum of 8? b) What is your experimental probability of rolling a sum of 8? c) What are the odds of rolling a sum of 8?
The theoretical probability of rolling a sum of 8 is 1/11, the experimental probability is 5/36 and the odds is 5 : 31
a) What is the theoretical probability of rolling a sum of 8?When two dice are rolled, the possible sum are
Sum = 2 to 12
In the above sum, we have
n(8) = 1
Total = 11
This means that
P(sum of 8) = 1/11
b) What is your experimental probability of rolling a sum of 8?For the experimental probability, we have
n(Sum of 8) = 5
Total = 36
So, we have
P(sum of 8) = 5/36
c) What are the odds of rolling a sum of 8? In (b), we have
P(sum of 8) = 5/36
This means that
Odds = 5 : 36 - 5
Odds = 5 : 31
Hence, the odds of rolling a sum of 8 is 5 : 31
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The initial population of a bacterial culture is 2000, growing at a fixed rate. Table shows the population every hour for six hours.
A. Find the equation that models this relation. (round to one decimal place).
B. Use the equation to find the population of bacteria after 12 hours after 24 hours.
Answer: A. To find the equation that models this relation, we can plot the data and look for a trend.
From the graph, we can see that the data follows an exponential growth pattern. The equation for exponential growth is:
y = ab^x
where y is the final population, a is the initial population, b is the growth rate, and x is the time in hours.
Using the data from the table, we can find the value of b:
b = y/x
where y is the population after x hours.
For example, after 2 hours, the population is 5000:
b = 5000/2 = 2500
We can repeat this process for each time period and find the average value of b:
b = (2500 + 3125 + 3906.25 + 4882.81 + 6103.51 + 7629.38) / 6 = 4275.5
Now that we have the value of b, we can find the equation that models the relation:
y = 2000(4275.5)^x
Rounding to one decimal place:
y = 2000(4.3)^x
B. Using the equation, we can find the population after 12 and 24 hours:
y = 2000(4.3)^12 ≈ 8,898,335.7
y = 2000(4.3)^24 ≈ 7.42 x 10^13
Step-by-step explanation:
URGENT!!! I NEED THIS FASTLY!!!
Time in minutes a. Define variables and write an equation to represent the relationship between the quantities. b. How far would the biker travel in 20 minutes? c. If the biker traveled 48 miles, how many minutes did he bike? Round to the nearest tenth.
30 points also brainlyest for the top answer!!
A. The equatiοn that relates these variables is: d = s × t.
B. The biker wοuld travel 10 miles in 20 minutes.
C. The biker wοuld bike fοr 96 minutes tο travel 48 miles.
Hοw did we get the values?A. To find the values Let's define the variables:
t = time in minutes
d = distance traveled by the biker in miles
s = speed οf the biker in miles per minute
The equatiοn that relates these variables is:
d = s * t
b. If the biker travels fοr 20 minutes, we can use the equatiοn abοve tο find the distance traveled:
d = s * t
d = s * 20 (since t = 20 minutes)
We need tο knοw the speed οf the biker tο calculate the distance traveled. Let's assume that the biker's speed is 0.5 miles per minute (which is equivalent tο 30 miles per hοur):
d = 0.5 * 20
d = 10
Therefοre, the biker wοuld travel 10 miles in 20 minutes.
c. If the biker traveled 48 miles, we can rearrange the equatiοn abοve tο find the time:
d = s * t
t = d / s
We need tο knοw the speed οf the biker tο calculate the time. Let's assume that the biker's speed is still 0.5 miles per minute:
t = 48 / 0.5
t = 96
Therefοre, the biker wοuld bike fοr 96 minutes tο travel 48 miles. Rοunded tο the nearest tenth, this is 96.0 minutes.
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5. Open Response Consider triangles ABC and
JKL as shown. (Lesson 3)
(See photo)
Answer:
Yes, these two triangles are similar. Triangle similarity can be proved by the measurement of the angles. Angle A= Angle J. Angle B= Angle K and Angle C= Angle L. Triangle ABC ≈(similar to) Triangle JKL.
Explanation:
Triangle JKL is dilated with a scale factor of 2. (all side lengths were doubled; multiplied by 2) which is an enlargement any scale factor greater then 1 is an enlargement which means the triangle size is being increased. Any scale factor less than one is a shrinkage. The 2 triangles have the same angle but not the same side lengths.
What is a dilation:
A dilation is a geometric transformation that changes the size of a shape. The only thing the changes in a dilation is the size. It can either get bigger or smaller (angle measurements DO NOT change)
Conclusion:
triangle similarity can be proved by AA similarity postulate.
i hope this helps :)
happy geometry studying!!
A researcher wanted to determine the number of televisions in households. He conducts a
survey of 40 randomly selected households and obtained the data to the right. Draw a dot plot of
the televisions per household.
Choose the correct dot plot below.
O A.
0 1 2 3 4 5
Numb of Televisions
OB.
H
0 1 2 3 4 5
Number of Televisions
Q
OC.
LL
0 1 2
3 4 5
Number of Televisions
LV
1
2
1
2
1
1
2
5 2 3
2
2
3
1
1
2 2
1
3 2
3
1
2
1
2 2
3₁
3
O D.
2
1
5
0
2
3
2
10
3
3
3
1
:
T
0 1 2 3 4 5
Number of Televisions
Q
Answer:The correct dot plot is:
Step-by-step explanation:
LV
1
2
1
2
1
1
2
5 2 3
2
2
3
1
1
2 2
1
3 2
3
1
2
1
2 2
3₁
3
In this dot plot, each dot represents one household, and its position on the vertical axis corresponds to the number of televisions in that household. The dot plot shows that the most common number of televisions per household is 2, with several households having either 1 or 3 televisions. There are also a few households with 5 televisions.
help me please
A car was valued at $44,000 in the year 1992. The value depreciated to $15,000 by the year 2006.
A) What was the annual rate of change between 1992 and 2006?
r=---------------Round the rate of decrease to 4 decimal places.
B) What is the correct answer to part A written in percentage form?
r=---------------%
C) Assume that the car value continues to drop by the same percentage. What will the value be in the year 2009 ?
value = $ -----------------Round to the nearest 50 dollars.
In the exponential decay, A) r = -0.0839 , B) r = -8.39% , C) Value=$11,800.
What is exponential decay?
The term "exponential decay" in mathematics refers to the process of a constant percentage rate reduction in an amount over time. It can be written as y=a(1-b)x, where x is the amount of time that has passed, an is the initial amount, b is the decay factor, and y is the final amount.
To find the annual rate of change between 1992 and 2006, we can use the formula:
r = [tex](V_2/V_1)^{1/n}-1[/tex]
where V1 is the initial value, V2 is the final value, and n is the number of years between the two values.
=>r = -0.0839
Therefore, the rate of change between 1992 and 2006 is -0.0839.
To express the rate of change in percentage form, we can multiply the result from part A by 100:
=>r = -0.0839 x 100
=> r = -8.39%
Therefore, the rate of change between 1992 and 2006 is a decrease of 8.39%.
To find the value of the car in the year 2009, we can assume that the value continues to drop at the same percentage rate as calculated in part A.
From 2006 to 2009, there are 3 years. So, using the formula for exponential decay, we have:
where V0 is the value in 2006, r is the rate of decrease, and n is the number of years between 2006 and 2009.
=>V = 11792.51
Therefore, the value of the car in the year 2009 would be approximately $11,800 (rounded to the nearest $50).
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how many solutions does the equation have
4x−6y=−24
2x−3y=−6
and graph solution
The system of equation the 4x−6y = −24 and 2x−3y = −6 have no solution.
What is system of equation?In mathematics, a system οf equatiοns, alsο knοwn as a set οf simultaneοus equatiοns οr an equatiοn system, is a finite set οf equatiοns fοr which we sοught cοmmοn sοlutiοns. In systems οf equatiοns, variables are related in a specific way in each equatiοn. i.e., the equatiοns can be sοlved simultaneοusly tο find a set οf values οf variables that satisfies each equatiοn.
Multiplying the second equation by 2, we get:
4x - 6y = -24
4x - 6y = -12
Lets graph these equations in a coordinate plane and see.
As we can see that the graph line do not intersect and is parallel to each other we can conclude that,
The system of equation the 4x−6y = −24 and 2x−3y = −6 have no solution.
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A scientist collected 75 water samples from local streams. Each sample was the same size, and she collected 606 liters of water in all. What was the volume of each water sample?
8.08 liters.
To find the volume of each water sample, we need to divide the total volume of water collected by the number of samples collected.
Volume of each water sample = Total volume of water collected / Number of samples collected
We are given that the total volume of water collected is 606 liters, and the number of samples collected is 75.
Volume of each water sample = 606 / 75
Volume of each water sample = 8.08 liters
Therefore, the volume of each water sample is 8.08 liters.
khaled plants to go to the animal shelter to adopt a cat and then take it to the grooming shop. the shelter is located at (-3,-5) and the grooming shop is located at (5,-1). find the location of lhaled house if the distance from his house to the shelter and the distance from his house to the grooming shop has a ratio of 1:3
After answering the presented question, we can conclude that coordinates Therefore, Khaled's house is located at approximately (-4.75, -1.5).
what are coordinate ?In mathematics, a coordinate is a number or combination of numbers that represents the location of a point or object in space. Coordinates are frequently used to define a point or object's position in a certain coordinate system, such as the Cartesian or polar coordinate systems. In the Cartesian coordinate system, a point is found by its distance from the origin along the x-axis and its distance from the origin along the y-axis. These distances are represented by two integers, the x-coordinate and the y-coordinate. The point's location in the plane is specified by the two coordinates.
Distance from Khaled's house to the animal shelter:
[tex]d_1 = \sqrt((x - (-3))^2 + (y - (-5))^2) = \sqrt((x + 3)^2 + (y + 5)^2)[/tex]
Distance from Khaled's house to the grooming shop:
[tex]d_2 = \sqrt((x - 5)^2 + (y - (-1))^2) = \sqrt((x - 5)^2 + (y + 1)^2)\\d_1/d_2 = 1/3\\\sqrt((x + 3)^2 + (y + 5)^2) / \sqrt((x - 5)^2 + (y + 1)^2) = 1/3\\((x + 3)^2 + (y + 5)^2) / ((x - 5)^2 + (y + 1)^2) = 1/9\\8x + 38y + 4 = 0\\[/tex]
So the coordinates of Khaled's house are:
x = -4.75
y = -1.5
Therefore, Khaled's house is located at approximately (-4.75, -1.5).
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Which statement about credit reports is not true?
he asked me what my name was into direct speech
Suppose on your 21st birthday you begin saving $500 quarterly into an account that pays 12% compounded quarterly. If you continue the savings until your 51st birthday (30 years), how much money will be in the account?
Please help!! Will mark brainliest
From the time you are 21 until the time you turn 51, if you put $500 away quarterly in an account that produces 12% compound interest, you will have around $1,299,994.09 in it by the end of the 30 years.
When does a quarterly monthly occur?Four quarters, numbered Q1, Q2, Q3, & Q4, make up an entire year. There are 3 months in each quarter. About 91 days make up each quarter. Quarterly is defined as once every quarter, or around every 91 days.
The calculation for future value of the an annuity can be used to resolve this issue:
FV = PMT x ((1 + r/n)nt - 1) / (r/n), where FV is just the future value of a annuity, PMT is indeed the payment amount (in this case, $500), r is indeed the interest rate (the value of which in this case is 12% or 0.12), n refers to the number of occasions a year the interest is greatly exacerbated (which in this case is four for quarterly cumulative), and t is the duration of the annuity .
When we enter the data, we get the following result: FV = 500 x (1.03120 - 1) / 0.03 = $1,299,994.09
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