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3 years ago

12

Write a formula that will help Jenny determine how much she will earn in one week

1 answer:

nlexa [21]3 years ago

7 0

It's the same thing as before, A = BH
Remember A will always be some kind of Total, in this sense. Then you have to figure out what is the constant factor, that will be H then figure out what makes the constant factor vary. In this case it's the number of memberships since that can vary from week to week but her hours can not.
Like how you can vary the number of cans but you can not vary the price that they sell the cans.

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A bell tolls every 10 minutes. Another bell tolls every 15 minutes. Both bells toll at 6:00 PM. They will toll together again at

Verizon [17]

Im pretty sure they will both ring at the same time at 6:30

5 0

4 years ago

Read 2 more answers

Which equation represents the line that passes through the points (-3, 7) and (9,-1)? oy--3x+5 o y=-x-7 o y=zx-7 oy - 12 2x+5

olchik [2.2K]

Answer:

The answer is

<h2> $y = - \frac{2}{3} x + 5$ </h2>

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation we must first find the slope of the line.

So the slope of the line using points (-3, 7) and (9,-1) is

<h3> $m = \frac{ - 1 - 7}{9 + 3} = - \frac{8}{12} = - \frac{2}{3}$ </h3>

Now we use the formula

<h3>y - y1 = m(x - x1)</h3>

where

m is the slope

( x1 , y1) is any of the points given

So the equation of the line using point

( - 3 , 7) and slope - 2/3 is

<h3> $y - 7 = - \frac{2}{3} (x + 3) \\ y - 7 = - \frac{2}{3} x - 2 \\ y = - \frac{2}{3} x - 2 + 7$ </h3>

We have the final answer as

<h3> $y = - \frac{2}{3} x + 5$ </h3>

Hope this helps you

5 0

3 years ago

Read 2 more answers

Hurry please I need it tonight thank u so much

Lina20 [59]

It’s the 3rd option!

-5 (the bubble shaded black), the arrow going left towards -9.

Hope this helps!

4 0

3 years ago

The following six independent length measurements were made (in feet) for a line: 736.352, 736.363, 736.375, 736.324, 736.358, a

horrorfan [7]

Answer:

Assuming population data

$\sigma = \sqrt{0.000354}=0.0188$

Assuming sample data

$s = \sqrt{0.000425}=0.0206$

Step-by-step explanation:

For this case we have the following data given:

736.352, 736.363, 736.375, 736.324, 736.358, and 736.383.

The first step in order to calculate the standard deviation is calculate the mean.

Assuming population data

$\mu = \frac{\sum_{i=1}^6 X_i}{6}$

The value for the mean would be:

$\mu = \frac{736.352+736.363+736.375+736.324+736.358+736.383}{6}=736.359$

And the population variance would be given by:

$\sigma^2 = \frac{\sum_{i=1}^6 (x_i-\bar x)}{6}$

And we got $\sigma^2 =0.000354$

And the deviation would be just the square root of the variance:

$\sigma = \sqrt{0.000354}=0.0188$

Assuming sample data

$\bar X = \frac{\sum_{i=1}^6 X_i}{6}$

The value for the mean would be:

$\bar X = \frac{736.352+736.363+736.375+736.324+736.358+736.383}{6}=736.359$

And the population variance would be given by:

$s^2 = \frac{\sum_{i=1}^6 (x_i-\bar x)}{6-1}$

And we got $s^2 =0.000425$

And the deviation would be just the square root of the variance:

$s = \sqrt{0.000425}=0.0206$

6 0

3 years ago

Find a rational number halfway in between two numbers<br><br> 4/7 and 1/8

user100 [1]

I think it’s 5/14 not positive but pretty sure

8 0

4 years ago

Read 2 more answers