3. Andre is walking from his home to a festival that is 1 5/8 kilometers away. He walks 1/3
kilometer and then takes a quick rest. Which question can be represented by the
equation? 1 5/8=1/3 in this situation?
.
A. What fraction
of the trip has Andre completed?
Answers
What fraction of the trip has Andre completed.
What is a fraction?A fraction is a way of representing a part of a whole or a quantity that is not a whole number. It is a mathematical expression that represents a ratio of two numbers, where the number above the line (numerator) represents the part being considered, and the number below the line (denominator) represents the whole or the total number of parts. Fractions are usually written in the form a/b, where a is the numerator and b is the denominator.
Given that the entire road to be covered is 1 5/8 kilometers and so far Andre has walked 1/3 kilometer, the expression represents the fraction that has been covered.
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Missing parts;
Heathercain
01/24/2020
Mathematics
Middle School
answered • expert verified
3. Andre is walking from home to a festival that is 1 5\8 kilometers away. He takes a quick rest after walking 1\3 kilometers. In this situation, which question can be represented by the equation: ?× 1 5\8 = 1\3?
a. What fraction of the trip has Andre completed?
b. How many more kilometer does he have to walk to get to the festival?
c. What fraction of the trio is left.
d. How many kilometers is it from home to the festival and back home?
Related Questions
Morganville and Newton are 36 miles apart. On a map, the two cities are 6 inches apart. What is the map scale?
Answers
The scale of the map is 1 inch for 6 miles
How to determine the scale of the mapFrom the question, we have the following parameters that can be used in our computation:
Distance apart = 36 miles
Distance on the map = 6 inches
Using the above as a guide, we have the following:
Scale = Distance on the map/Distance apart
Substitute the known values in the above equation, so, we have the following representation
Scale = 6 inches/36 miles
Evaluate
Scale = 1 inch/6 miles
Hence, the scale is 1 inch per 6 miles
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Marquis and Yolanda plan to sell T-shirts at their school’s Community Day. They make 25 shirts and each costs $15 to make. If they would like to make $320 in profit, how much should they sell each T-shirt for?
Answers
They should sell each T-shirt for $27.80 to make a profit of $320.
Describe Profit?Profit is the financial gain that a company or individual makes after deducting all the expenses from the revenue earned. It is the positive difference between the total revenue generated from the sale of goods or services and the total cost of producing and selling those goods or services.
Profit is one of the key indicators of a company's financial performance, and it is calculated by subtracting the total expenses from the total revenue. The expenses include the cost of raw materials, labor, rent, taxes, and other overhead costs associated with producing and selling the goods or services.
To make a profit of $320, they need to sell all 25 shirts for a total of $320 + ($15 x 25) = $695.
Therefore, the price they need to sell each T-shirt for is $695 ÷ 25 = $27.80 (rounded to the nearest cent).
So they should sell each T-shirt for $27.80 to make a profit of $320.
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If m=log(M) and n=log(N), rewrite the following expression in terms of m and n.\( \log \left(\frac{\left(M^{\log (M)} \cdot 10^{\log (N)}\right)}{1000 \sqrt[3]{N}}\right) \)solution: m^2+2/3n-3
Answers
The expression in terms of m and n is m^2+2/3n-3.
To rewrite the given expression in terms of m and n, we need to use the properties of logarithms to simplify the expression. The properties of logarithms that we will use are:
- log(ab) = log(a) + log(b)
- log(a/b) = log(a) - log(b)
- log(a^b) = b*log(a)
Using these properties, we can rewrite the given expression as follows:
\( \log \left(\frac{\left(M^{\log (M)} \cdot 10^{\log (N)}\right)}{1000 \sqrt[3]{N}}\right) = \log \left(M^{\log (M)} \cdot 10^{\log (N)}\right) - \log \left(1000 \sqrt[3]{N}\right) \)
\( = \log \left(M^{\log (M)}\right) + \log \left(10^{\log (N)}\right) - \log \left(1000\right) - \log \left(\sqrt[3]{N}\right) \)
\( = \log (M) \cdot \log (M) + \log (N) \cdot \log (10) - \log (10^3) - \frac{1}{3} \cdot \log (N) \)
Now, we can substitute m = log(M) and n = log(N) into the expression to get:
\( = m^2 + n - 3 - \frac{1}{3}n \)
\( = m^2 + \frac{2}{3}n - 3 \)
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Milo sets sail from a dock and heads in a straight line for 7 miles. The wind then picks up momentarily and he is forced to change direction by 5pi/36. He then sails in a straight line in this new direction for another 4 miles. At this point, how far is he from the dock? Round to 2 decimal places.
Answers
Milo is 8.09 miles from the dock.
Here we can use the Law of Cosines,
which states that c² = a² + b² - 2abcos(C),
Where c is the side opposite the angle C in a triangle.
Call the distance from the dock to the point where Milo changes direction "a", the distance Milo sails in the new direction "b", and the angle between these two sides "C".
We know that a = 7 miles and b = 4 miles.
To find C, we can use the fact that Milo changes direction by 5π/36 radians.
Since he turned to the right, we can say that he turned by,
⇒ 360 - 5π/36 = 355π/36 radians.
This is the angle between the two sides of the triangle.
Now we can plug these values into the Law of Cosines to find the distance from Milo to the dock:
⇒ c² = a² + b² - 2abcos(C)
⇒ c² = 7² + 4² - 2(7)(4)cos(355π/36)
⇒ c² = 49 + 16 - 56cos(355π/36)
⇒ c² = 65.47
Taking the square root of both sides, we get:
c = 8.09 miles (rounded to 2 decimal places)
Therefore, Milo is 8.09 miles from the dock.
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I need help guys
I need this by friday plsss
Answers
The length of the midsegment of the given trapezoid is 16.
What is a trapezoid?
A trapezoid is necessarily a convex quadrilateral in Euclidean geometry. The parallel sides are called the bases of the trapezoid.
Given is a trapezoid TUVW, with bases UV and TW given by expressions, 3x-1, 8x and the midsegment XY is 3x+7.
We need to find the length of the midsegment,
We know,
Midsegment = (base 1 + base 2) / 2
Therefore,
XY = UV+TW / 2
3x+7 = 3x-1 + 8x / 2
6x+14 = 11x-1
5x = 15
x = 3
XY = 3(3)+7 = 16
Hence, the length of the midsegment of the given trapezoid is 16.
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V varies partly as D and partly as the square of D when Vequals to 5 ,D equals to 2, and when V equal to 9 and D equals to 3
write this law connecting V and D
Answers
[tex]\stackrel{ \textit{Partial Variation} }{V=aD+bD^2}\qquad \impliedby \begin{array}{llll} \textit{V\textit{ varies partly}}\\ \textit{with D and partly with }D^2 \end{array} \\\\[-0.35em] ~\dotfill\\\\ \textit{we also know that} \begin{cases} V=5\\ D=2\\[-0.5em] \hrulefill\\ V=9\\ D=3 \end{cases}\implies \begin{array}{llll} 5=a2+b2^2&\qquad &5=2a+4b\\\\ 9=a3+b3^2&&9=3a+9b \end{array} \\\\[-0.35em] ~\dotfill[/tex]
[tex]\stackrel{\textit{using the 1st equation}}{5=2a+4b}\implies 5-2a=4b\implies \cfrac{5-2a}{4}=b \\\\\\ \stackrel{\textit{using the 2nd equation}}{9=3a+9b}\implies \stackrel{\textit{substituting from above}}{9=3a+9\left( \cfrac{5-2a}{4} \right)}\implies 9=3a+\cfrac{45-18a}{4} \\\\\\ \stackrel{\textit{multiplying both sides by }\stackrel{LCD}{4}}{4(9)=4\left( 3a+\cfrac{45-18a}{4} \right)}\implies 36=12a+45-18a\implies -9=-6a[/tex]
[tex]\cfrac{-9}{-6}=a\implies \boxed{\cfrac{3}{2}=a}\hspace{5em}b=\cfrac{5-2\left( \frac{3}{2} \right)}{4}\implies \boxed{b=\cfrac{1}{2}} \\\\[-0.35em] ~\dotfill\\\\ ~\hfill V=\cfrac{3}{2}D+\cfrac{1}{2}D^2~\hfill[/tex]
Help, please help please
Answers
What is the value of m∠A + m∠B?
°
Answers
The value of m∠A + m∠B is 90°. The angles that add up to 180 degrees are referred to as supplementary angles.
Option C is correct.
What are supplementary angles?Given a figure, we must determine the sum of the angles A and B. The angle that forms a linear pair with the sum of the angles A and B is 90 degrees. Since we are aware that the linear pair with a 90 degree angle is 90 degrees, the value of the sum of the angles A and B, m A + m B, is also 90 degrees.
Can three angles be supplementary?There can be no more than three angles. Two angles whose measurements add up to exactly 180 degrees are referred to as supplementary angles. It is possible to have three angles that add up to 180 degrees each, such as 60 degrees, 30 degrees, and 90 degrees; however, these angles are not considered supplementary.
Question incomplete:
What is the value of m∠A + m∠B? If ∠ C = 56° and ∠D =124°
A. 180
B. 120
C. 90
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I need the domain and range of this graph. Help quick please!
Answers
The function seen on Cartesian plane has the following domain and range:
Domain: 0 ≤ t ≤ 100, Range: 450 ≤ q ≤ 1200
How to determine the domain and the range of the function
In this problem we find a representation of a linear function on a Cartesian plane, of which we need to derive the definitions of its domain and its range. The domain corresponds to the set of times (t), in minutes, and the range is the set of amounts of water (q), in liters. The domain belongs to the horizontal axis and the range to the vertical axis.
Then, by direct inspection, the domain and the range of the function is:
Domain
0 ≤ t ≤ 100
t ∈ [0, 100]
Range
450 ≤ q ≤ 1200
q ∈ [450, 1200]
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Nine children want to feed the birds they eash have 2 bags of seed. How many bags of seed are there in all
Answers
Answer: 18
Step-by-step explanation:
9 kids each have two bags
9 x 2 = 18
9 + 9 = 18
A company began making equal deposits at the end of each quarter into an account with an APR of 6.8% compounded quarterly. They continued these deposits for six years and then stopped due to revenue problems. Four years after they stopped making deposits, the account had a value of $50,000. Find the amount deposited quarterly during the first six
years.
Answers
The company deposited $1,487.88 at the end of each quarter during the first six years.
The amount deposited quarterly during the first six years can be calculated using the formula for the future value of an annuity:
[tex]PMT = (FV / ((1 + r)^{n-1}) * (1 + r)^{-n[/tex]
where PMT is the equal quarterly deposit, FV is the final value of the account, r is the quarterly interest rate (APR / 4), and n is the number of quarters (6 years * 4 quarters per year = 24 quarters).
Plugging in the given values, we get:
[tex]PMT = ($50,000 / ((1 + 0.068/4)^{28-1}) * (1 + 0.068/4)^{-28}[/tex]
PMT = $1,487.88 (rounded to the nearest cent)
Therefore, the company deposited $1,487.88 at the end of each quarter during the first six years.
The problem involves finding the amount deposited quarterly by a company for a period of six years, given the final value of the account four years after the company stopped making deposits. This can be solved using the formula for the future value of an annuity, which calculates the total value of a series of equal payments made at regular intervals over a specified period, taking into account compound interest.
By plugging in the given values into the formula, we can solve for the equal quarterly deposit made by the company during the first six years. The resulting amount is $1,487.88, which represents the total value of all the quarterly deposits made by the company during the six-year period. This answer assumes that the interest rate remained constant throughout the entire period and that the company made no withdrawals or additional deposits after the initial six years.
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Determine whether each sequence is arithmetic, geometric, or neither.
(4, -20, 100, 500, ...}
{1, 2, 3, 4, ...}
{-18, 11, 4, 3, ...}
{-3, -27, 243, -2187, ...}
{1, 8, 27, 64, ...}
{-9, -33, -57, -81, ...}
Answers
Step-by-step explanation:
1) geometric
2) arithmetic
3) neither
4) geometric
5) neither
6) arithmetic
you can this by usin their formulas or
you see if it has common difference which is for arithmetic sequence or you find the common ratio which is geometric sequence.
In art class students are mixing black and white paint to make gray paint. Riley mixes 4 cups of black paint and 3 cups of white paint. Christian mixes 7 cups of black paint and 4 cups of white paint. Use Riley and Christian percent of white paint to determine whose gray paint will be lighter.( Riley percent of white paint to the nearest whole number) (Christian percent of white paint to the nearest whole number). I been stuck on this for 20 mins!!!!! help
Answers
After taking out percentages we know that Riley has used more percentage of white paint which is 42.85% and her grey paint would be lighter.
What is the percentage?A % is a quantity or ratio that, in mathematics, represents a portion of one hundred.
A dimensionless relationship between two numbers can be represented in a variety of ways, such as through ratios, fractions, and decimals.
The symbol "%" is frequently written after the number to indicate percentages.
So, the percentages would be:
Riley:
4 black and 3 white
Total = 7
Percentage of white paint:
3/7 * 100 = 42.85%
Christian:
7 black and 4 white
Total = 11
Percentage of white paint:
4/11 * 100 = 36.36%
We know that: 42.85% > 36.36%
Therefore, after taking out percentages we know that Riley has used more percentage of white paint which is 42.85% and her grey paint would be more lighter.
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A constant force of 18 newtons is being applied at a constant angle of 56° on an object at the same time that a constant force of 32 newtons at
a constant angle of 124° is acting on the object. What is the magnitude and direction of the resultant force?
Answers
The magnitude and direction of the resultant force will be 7.829 N and the direction is opposite to the applied force.
What is a vector?A vector is an amount that has direction as well as magnitude and complies with the rule of vector addition.
A constant force of 18 newtons is supplied to an item at a constant angle of 56° while a constant force of 32 newtons is produced to the entity at a fixed angle of 124°.
Then the magnitude and direction of the resultant force are given as,
∑F = 0
∑F = 18 · cos 56° + 32 · cos 124°
∑F = 10.065 - 17.894
∑F = - 7.829 N
The magnitude and direction of the resultant force will be 7.829 N and the direction is opposite to the applied force.
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Advanced equation solving written problem two
Solve the equation on the interval [0,2π), showing all steps of the solution process. While you are welcome to check with a solver, no credit will be given for magic answers! If it is possible to obtain an exact value solution, you must give in that form. Otherwise, use decimal radians rounded to two places for the angles. Clearly indicate reference angles and quadrants. After solving, produce a Desmos graph showing the left and right sides of the equation graphed as functions, restricted to [0,2π), and click to reveal points of intersection. Screenshot and include. Solve: (2cosθ - 1)(5cotθ+ 4) = 0
Answers
We can see that the points of intersection occur at π/3 and 4π/3.
We will solve this equation on the interval [0,2π). To begin, we can break up the equation into two parts:
2cosθ - 1 = 0 and 5cotθ + 4 = 0
First, let's solve the equation 2cosθ - 1 = 0. We can solve this equation by adding 1 to both sides and then dividing both sides by 2. We get:
2cosθ = 1
cosθ = 1/2
To find the angle θ, we can take the inverse cosine of both sides to get:
θ = cos-1(1/2)
θ = π/3
Now, let's solve the equation 5cotθ + 4 = 0. We can solve this equation by subtracting 4 from both sides and then dividing both sides by 5. We get:
cotθ = -4/5
To find the angle θ, we can take the inverse cotangent of both sides to get:
θ = cot-1(-4/5)
θ = 4π/3
Therefore, the solution to the equation on the interval [0,2π) is θ = π/3 or θ = 4π/3. To confirm the solutions, we can produce a Desmos graph of the equation on the interval [0,2π). We can see that the points of intersection occur at π/3 and 4π/3, which are our solutions. See the screenshot below.
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A little help here please !!
Answers
Answer:
Step-by-step explanation:
What is the area of the circle? Approximate using pi equals 22 over 7 and round to the nearest square yard.
a circle with radius labeled 18 yards
57 square yards
113 square yards
1,018 square yards
2,037 square yards
Answers
Answer: A
Area of a circle=[tex]\pi r^2\\[/tex]
Now that we have established this, we will now substitute the values in the equation.
[tex]\pi r^2\\=\frac{22}{7}\\ =\frac{396}{7}\\ =56.57 \\[/tex] OR 57 square yards
HOPE THIS HELPED PLEASE MARK BRAINLIEST IF IT DID!
Answer:
If your options are 110 square yards
220 square yards
3,850 square yards
15,400 square yards
then the correct answer is 3,850 square yards.
Step-by-step explanation:
I took the quiz and got it right.
PLSSSS HELP IF YOU TURLY KNOW THISSS
Answers
Answer:
[tex] \sf \: x = 5[/tex]
Step-by-step explanation:
Now we have to,
→ Find the required value of x.
The equation is,
→ 11 + 2x = 3(x + 2)
Then the value of x will be,
→ 11 + 2x = 3(x + 2)
→ 11 + 2x = 3x + 6
→ 2x - 3x = 6 - 11
→ -x = -5
→ [ x = 5 ]
Hence, the value of x is 5.
[tex] \: [/tex]
To find:-[tex] \textrm{the value of x = ?}[/tex][tex] \: [/tex]
Solution:-[tex] \textrm{11 + 2x = 3( x + 2 )}[/tex][tex] \: [/tex]
[tex]\textrm{11 + 2x = 3x + 6}[/tex][tex] \: [/tex]
[tex]\textrm{2x - 3x = 6 - 11}[/tex][tex] \: [/tex]
[tex]\textrm{-1x = -5}[/tex][tex] \: [/tex]
[tex]\rm{x = \cancel\frac{ - 5}{ - 1} }[/tex][tex] \: [/tex]
[tex]\underline { \boxed{\textrm{\purple{x = 5}}}}[/tex][tex] \: [/tex]
The value of x is 5 !
━━━━━━━━━━━━━━━━━━━━━━━
hope it helps! :)
This year, the student council president has decided to raise funds for the school prom by selling Justin Bieber T-shirts. In the past, they’ve sold an average of 1500 shirts at about $12 each. This year, they plan to decrease the price of the shirts. Based on student feedback, for every $0.50 decrease in price, 20 more T-shirts will be sold.
a) Determine the demand (price) function in terms of x , the number of t-shirts sold
b) Determine the marginal revenue function. Then, determine the marginal revenue from the sales of 1800 T-shirts and interpret its meaning.
Answers
a) The demand (price) function in terms of x : P(x) = 12 - 0.025(x - 1500)
b) the marginal revenue function is [tex]MR(x) = dR(x)/dx = 12 - 0.05(x - 1500)[/tex] The marginal revenue from the sales of 1800 T-shirts is -$3. This means that for each additional T-shirt sold after the 1800th, the revenue will decrease by $3 per T-shirt
To determine the demand (price) function, we need to find a relationship between the price of the T-shirts (P) and the number of T-shirts sold (x). We are given that for every $0.50 decrease in price, 20 more T-shirts will be sold.
Let's first find the decrease in price per T-shirt sold. If 20 more T-shirts are sold for every $0.50 decrease, then the decrease per T-shirt is $0.50/20 = $0.025. Now, we can set up the demand function. The base price is $12, and we decrease it by $0.025 for each additional T-shirt sold. So the demand function is:
P(x) = 12 - 0.025(x - 1500) To determine the marginal revenue function, we first need to find the total revenue function. Total revenue (R) is the product of the price (P) and the number of T-shirts sold (x):
R(x) = P(x) * x = (12 - 0.025(x - 1500)) * x Now we need to find the derivative of the total revenue function with respect to x, which will give us the marginal revenue function: MR(x) = dR(x)/dx = 12 - 0.05(x - 1500)
To determine the marginal revenue from the sales of 1800 T-shirts, we simply plug in x = 1800 into the marginal revenue function: MR(1800) = 12 - 0.05(1800 - 1500) = 12 - 0.05(300) = 12 - 15 = -$3
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\[ 14 x^{3}-39 x^{2}+24 x-4=0 ;[-4,6,1] \text { by }[-300,300,100] \] List all possible rational roots. \[ \frac{2}{7}, \frac{4}{7}, 2,4, \frac{1}{7}, 1, \frac{1}{14}, \frac{1}{2},-\frac{2}{7},-\frac{
Answers
The possible rational roots of the equation 14x3 - 39x2 + 24x - 4 = 0 are: 2/7, 4/7, 2, 4, 1/7, 1, 1/14, 1/2, -2/7, -4/7, -2, -4, -1/7, -1, -1/14, -1/2.
To find the rational roots, we need to factor the equation into its linear components. First, factor out a common factor from all terms: 14x3 - 39x2 + 24x - 4 = 0 --> 14x(x2 - 3x + 2)(x-2) = 0.
This means that the equation has three linear components, and each component has a possible root that we can calculate. The possible roots can be determined by using the Rational Root Theorem:
Using the Rational Root Theorem, we can find the possible rational roots of the equation:
For the component x-2, the possible rational roots are in the form of p/1, where p is a factor of -4. This means the possible rational root is -2.For the component x, the possible rational root is in the form of p/1, where p is a factor of 1. This means the possible rational root is 1.
Therefore, the possible rational roots of the equation.
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A school staff meeting had 30 teachers in attendance, 30% of whom were first-year teachers. How many first-year teachers were in the meeting?
Answers
Answer:
There were 30 x 30/100 = <<30*30/100=9>>9 first-year teachers at the meeting.
Answer: 9.
Answer:
9
Step-by-step explanation:
30% of 30 is 9. Therefore there are 9 teachers how were first year teachers.
Hope this helps :)
Which of the following is the quadratic parent function? A. F(x) = x , B. F(x) = |x| , C. F(x) = x^3 , D. F(x) = x^2
Answers
The quadratic parent function is represented by the equation F(x) = [tex]x^{2}[/tex], so, the correct answer is D.
What is quadratic function?A quadratic function is a type of mathematical function that can be written in the form:
f(x) = a[tex]x^{2}[/tex] + bx + c
where a, b, and c are constants and x are the variable. The highest power of x in a quadratic function is 2, which is why it is called a "quadratic" function.
The graph of a quadratic function is a curve called a parabola. The shape of the parabola depends on the value of the coefficient a. If a is positive, the parabola opens upward and has a minimum point, and if a is negative, the parabola opens downward and has a maximum point.
Quadratic functions are used in many areas of mathematics and science, such as physics, engineering, and finance. They are also used in computer graphics to create curves and surfaces.
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Please answer I'll give you brainly
Answers
Answer:
5/8
Step-by-step explanation:
GCF:
5/8 = 25/40 ( multiply both sides by 5)
11/20 = 22/40 ( multiply both sides by 2)
i need y'all help on dis
Answers
Answer:
Customer A - 5 / 22.45 = $0.22 or 22 cents per quart
Customer B - 7 / 25.45 = $0.27 or 27 cents per quart
Find the missing number to create a perfect-square binomial
9x2+ X+25
Answers
Missing number to make the binomial 9x² + X + 25 a perfect square is 30x.
What is quadratic equation?Quadratic equations are the polynomial equations of degree 2 in one variable of type f(x) = ax² + bx + c = 0 where a, b, c, ∈ R and a ≠ 0. It is the general form of a quadratic equation where 'a' is called the leading coefficient and 'c' is called the absolute term of f (x).
Given expression
9x² + X + 25
It can be written as
(3x)² + X + 5²
Comparing with a² + 2ab + b²
a = 3x
b = 5
X = 2ab
X = 2(3x)(5)
X = 30x
Hence, 30x is the missing number to create a perfect-square binomial.
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The number of carbohydrates from 10 different tortilla sandwich wraps sold in a grocery store was collected. Which graphical representation would be most appropriate for the data, and why?
Circle chart, because the data is categorical
Line plot, because there is a large set of data
Histogram, because you can see each individual data point
Stem-and-leaf plot, because you can see each individual data point
Answers
Answer: Stem-and-leaf plot, because you can see each individual data point.
Step-by-step explanation:im taking the test.
Answer:stem and leaf plot
PLEASEE HELP ME THIS IS DUE AN IN HOUR!!
Answers
The equation for the exponential function is
f(x) = 20(0.5)ˣThe graph is attached
What is an exponential function?Exponential function is a function of the form f(x) = a(b)ˣ
where
the starting = a
the base = b
the exponents = x
Using the table, f(x) = a(b)ˣ
a = 20
solving for b
10 = 20(b)¹
10 = 20b
b = 1/2
the equation for the function is f(x) = 20(0.5)ˣ
check
for x = 3
f(x) = 20(0.5)³ = 2.5
for x = 4
f(x) = 20(0.5)⁴ = 1.25
The graph of exponential decay is a decreasing function that approaches the x-axis, but never touches it. The rate at which the function decays depends on the value of b - the smaller the value of b, the slower the decay
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How many possible rational roots does the polynomial 6x^(4) - 11x^(3) + 8x^(2) - 33x - 30 have?
Answers
The possible rational roots are -1/6, -1/3, -1/2, -1, 1/6, 1/3, 1/2, 1 .
The polynomial 6x4 - 11x3 + 8x2 - 33x - 30 has 4 possible rational roots. To find them, use the Rational Root Theorem.
This theorem states that any rational roots of a polynomial must be in the form a/b, where a is a factor of the constant term and b is a factor of the leading coefficient.
In this case, the constant term is -30, so the possible factors are -1, -2, -3, -5, -6, -10, -15, -30. The leading coefficient is 6, so the possible factors are 1, 2, 3, 6.
Therefore, the possible rational roots are -1/6, -1/3, -1/2, -1, 1/6, 1/3, 1/2, 1.
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PLEASE HELP
what is 7.5% of 48.30? show your working out pls.
Answers
Answer:
3.6225
Step-by-step explanation:
7.5% = 0.075
48.30 x 0.075 = 3.6225
So, 7.5% of 48.30 is 3.6225
According to a recent study 8.8% of students aged 15-18 in UAE suffer from asma Suppose that 25 students aged 15-18 were randomly selected from UAE school. Find the probability that was four are asthmatic. Round your answer to four decimal places
Answers
To find the probability that four out of 25 randomly selected students are asthmatic, we can use the binomial probability formula:
P(X = x) = (n choose x) * p^x * (1 - p)^(n - x)Where n is the number of trials (students), x is the number of successes (asthmatic students), and p is the probability of success (8.8% or 0.088).
Plugging in the given values, we get:
P(X = 4) = (25 choose 4) * 0.088^4 * (1 - 0.088)^(25 - 4) = 12,650 * 0.00005993 * 0.35178 = 0.0266
Therefore, the probability that four out of 25 randomly selected students are asthmatic is 0.0266, or 2.66%. Rounded to four decimal places, the answer is 0.0266.
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