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azamat
3 years ago
12

The bumper car ride at the state fair has 2 red cars, 3 green cars, and 3 blue cars. Janet is first in line for the ride and is

assigned a car at random. Sarah is next in line and is randomly assigned a car. What is the probability that both Janet and Sarah will drive a red bumper car? Express your answer as a percent. If necessary, round your answer to the nearest tenth.
96.4%
25%
6.3%
3.6%
Mathematics
1 answer:
fredd [130]3 years ago
7 0

Answer:

6.3%

Step-by-step explanation:

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What is the gradient of the graph shown below. Give answer in simplest for
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Answer:

1

Step-by-step explanation:

Choose two points on the line:  (-5, 0) and (0, 5)

Let the first point (x_1,y_1) = (-5, 0)

Let the second point (x_2,y_2) = (0, 5)

Use the gradient formula:

\textsf{gradient}=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{5-0}{0-(-5)}=1

----------------------------------------------------------------------------------------------------

If you want to find the equation of the line, use the point-gradient form of a linear equation:  y-y_1=m(x-x_1)

(where m is the gradient and (x_1,y_1) is a point on the line)

Substituting the values into the formula:

\implies y-0=1(x-(-5))

\implies y-0=x+5

\implies y=x+5

Therefore, the equation of the line is y = x + 5

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2 years ago
Given 5x - y = 16, solve for y
Olenka [21]
Im bad at this but is it 11xy ? chile anyways
6 0
4 years ago
Read 2 more answers
A student’s work is shown below.
Scorpion4ik [409]
The student solved the problem incorrectly. The student should add 12.7 to both sides of the equation to isolate the variable, y.
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4 years ago
Jeremy had 3/4 of a submarine sandwich and gave
NeX [460]
Actual question is "<span>Jeremy had 3/4 of a submarine sandwich and gave his friend 1/3 of it. What fraction of the sandwich did the friend receive?"

Solution:
1/3 of 3/4 of a submarine sandwich = 1/3x3/4 = 3/12 = 1/4
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5 0
3 years ago
Create an exponential to describe $100 at 2% interest, compounded annually, for x years. y=100(.98)^x y=100(.8)^x y=100(1.2)^x y
zysi [14]

The exponential to describe $100 at 2% interest, compounded annually, for x years is y=100(1.02)^{x}

<h3><u>Solution:</u></h3>

Given that $ 100 at 2 % interest , compounded annually for "x" years

<em><u>The formula for compound interest, including principal sum, is:</u></em>

A=P\left(1+\frac{r}{n}\right)^{n t}

A = the future value of the investment/loan, including interest

P = the principal investment amount (the initial deposit or loan amount)

r = the annual interest rate (decimal)

n = the number of times that interest is compounded per unit t

t = the time the money is invested or borrowed for

Here in this sum,

P = $ 100

r = 2 \% = \frac{2}{100} = 0.02

number of years = x

Here given that compounded annually , so n = 1

Let "y" be the amount after "x" years

Substituting the values in formula we get,

\begin{aligned}&y=100\left(1+\frac{0.02}{1}\right)^{1 \times x}\\\\&y=100(1+0.02)^{x}\\\\&y=100(1.02)^{x}\end{aligned}

Thus the exponential to describe is y=100(1.02)^{x}

5 0
4 years ago
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