April surveyed 200 bicyclists riding on the Two Rivers Bridge and recorded the
helmet color and brand of bicycle (name-brand or generic) the cyclist was riding
Of the 80 cyclists riding name-brand bikes, 60 had black helmets. If helmet
color and brand of bicycle are independent, how many cyclists riding generic
bicycles would be expected to have black helmets?
A. 5
B. 20
C. 30
D. 90
E. 100

Answer:

3.9 hours

Step-by-step explanation:

3 2/5 + 1/2 = 39/10

3 9/10 =

3.9 hours

Answer:

x = x; the solution has infinite solutions

Step-by-step explanation:

3(x+ 7) = 3x + 21​; distribute the 3 on the left side

3x + 21 = 3x + 21; now subtract 21 from both sides

3x = 3x; divide by 3

x = x; the solution has infinite solutions.  Since both terms are equal any value for x will be true on this equation.

Answer:

True

Step-by-step explanation:

2x+1 is the same both times. F(x) is just another way to write y

Answer:

y = -2x + 6

Step-by-step explanation:

Slope-intercept form: y = mx + b

Given:

Slope(m): -2

Point: (-1, 8)

To write the equation in slope-intercept form we need to find the slope(m) and the y-intercept(b).

Since we already know the slope is -2, we can move on to finding the y-intercept. To find the y-intercept, input the values of the slope and the point into the equation format and solve for b:

y = mx + b

8 = -2(-1) + b

8 = 2 + b

6 = b

The y-intercept is 6.

Now that we know the slope and the y-intercept, we can write the equation:

y = -2x + 6

Answer:

B. Mark buys a pack of gum for $1.50 each

Step-by-step explanation:

The slope of the graph is 3/2 or 1.5 so x is the number of gum bought and y is the total amount he has to pay after buying the gum.

Answer: option B: 5C3P(S)3P(F)2

Step-by-step explanation:

correct on Edge 2020

Answer:

                                          -1+1(-7+3v)-5v  

Pull out like factors :

  -2v - 8  =   -2 • (v + 4)  

Final result :

 -2 • (v + 4)

Answer:

Y=x(5)+120

Step-by-step explanation:

Y= the money you have to pay for the party

X(5)= you multiply x by 5

+120= you add the fee

Answer:

Maybe

Step-by-step explanation:

I did but I forgot the answer

I am so sorry

Answer:

Point Slope Equation: Y+2=-3(x-6). Slope Intercept Equation: Y=-3x+16.

Step-by-step explanation:

If you are looking for an equation? Here you go.

Let me know if this is what you wanted!

Answer:

3d² + 2d + 3 remainder -2

Step-by-step explanation:

Answer:

4

Step-by-step explanation:

y÷x

12÷3=4 and 20÷5=4

4 quizzes are taken per week.

A linear equation is given by:

y = mx + b;

where y, x are variables, m is the rate of change and b is the y intercept.

Let y represent the total number of quizzes after x weeks.

From the table we can see that when y = 12, x = 3 and when y = 20, x = 5. Hence:

Number of quizzes per week = 12/3 = 20/5 = 4

Hence, 4 quizzes are taken per week.

Find out more at: https://brainly.com/question/13911928

Answer:

Y = -8(x + 3)

Step-by-step explanation:

Divide the whole equation by -8 to get x by itself

Y = -8(x+ 3)

Answer:

Thank you

Step-by-step explanation:

Answer:

82%

Step-by-step explanation:

A percent a fraction of one hundred so multiply the numbers by 2 to make it 82/100 then remove the one hundred making it 82%

Answer:42

Step-by-step explanation:

Answer:

6 bikini styles

Step-by-step explanation:

I divided 24 by 4.

Answer:

Step-by-step explanation:

if it moved 6 ft below where you started at, the only answer should be -6.

Answer:  [tex]g = 6\sqrt{6} \ \ \text{yards}[/tex]

=============================================

Explanation:

When dealing with a 30-60-90 triangle, the short leg x and the long leg y can be tied together using this formula

[tex]y = x*\sqrt{3}[/tex]

We see that the long leg is exactly [tex]\sqrt{3}[/tex] times longer than the short leg.

Therefore we can say,

[tex]y = x*\sqrt{3}\\\\y = 6\sqrt{2}*\sqrt{3}\\\\y = 6\sqrt{2*3}\\\\y = 6\sqrt{6}\\\\g = 6\sqrt{6}\\\\[/tex]

9 hours

Step-by-step explanation:

cuz that's the answer

Raul would have to babysit for 8 hours to earn $100.

In mathematics, divides left-hand operands into right-hand operands in the division operation.

To determine the number of hours Raul has to babysit to earn $100, you need to divide the amount he wants to earn ($100) by the amount he earns per hour.

The amount of Raul earns per hour by dividing the total amount he earned by the number of hours he worked.

As per the question, Raul earned $37.50 for 3 hours of babysitting,

So, he earned $37.50 / 3 hours = $12.50 per hour.

This means that to earn $100, he would have to work:

⇒ $100 / $12.50 = 8 hours.

Therefore, he would have to babysit for 8 hours to earn $100.

To learn more about the division operation click here :

brainly.com/question/25870256

#SPJ5

Answer: Y=3, X=-2

Step-by-step explanation:

Answer:

[tex]y = \frac{3}{2} x + 3[/tex]

Step-by-step explanation:

slope is a positive 3/2

y intercept is 3

Answer:

3- conduction

Step-by-step explanation:

Answer:

$18

Step-by-step explanation:

It is 10% off so you are paying 90% of $20.

20*0.9=18

The 10% is $2

Answer:

REEEEEEEEEEEEEEEEEE WHAT HE SAID

Step-by-step explanation:

Answer:

88 I believe

Step-by-step explanation:

Answer:

$85

Step-by-step explanation:

20% is 1/5 of 100

68/4=17

68+17=85

Answer:

These two are congruent because they mirror each other in size and shape.

Step-by-step explanation:

Answer:

sorry i have no clue

Step-by-step explanation:

Answer:  A) Yes, they both have a slope of 2/3

=============================================================

Explanation:

The equation y = (2/3)x - 3 has slope 2/3 since it is the coefficient of x

The coefficient is the number to the left of the variable.

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

Now let's pull two points from the table.

Pick any two points you want. I'll pick the last two rows to get the two points (4,2) and (13,8)

Subtract the y values to get 8-2 = 6

Subtract the x values in the same order:  13-4 = 9

Divide the differences:

slope = rise/run

slope = (change in y)/(change in x)

slope = 6/9

slope = 2/3

We get the same slope as before. Holly is correct.

Answer:

Step-by-step explanation

The slope is 3 because the 3 is on the x line and the y-intercept is on the y line

Answer:

c identity property is illustrated by 3 + 0 = 3