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3 years ago

15

At the start of summer, Joan got haircut that took off 1 ¾ inches. By the end of the summer, her hair had grown 1 ¾ inches. What

is the overall increase or decrease to Joan's hair in inches?

1 answer:

Orlov [11]3 years ago

4 0

Answer:

There's no increase

Step-by-step explanation:

She got the same inches grown as the same she took off

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the volume V of a gas at a constant temperature varies inversely with the pressure P. when the volume is 100 cubic inches the pr

fiasKO [112]

Answer:

The pressure is $20\ psi$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form $y*x=k$ or $y=k/x$

In this problem we have

$V*P=k$

where

V is the volume of a gas at a constant temperature

P is the pressure

we have

For $V=100\ in^{3}$ , $P=25\ psi$

step 1

Find the value of k

substitute the values of V and P

$100*25=k$

$k=2,500$

The equation is equal to $V*P=2,500$

step 2

Find the pressure when the volume is 125 cubic inches

For $V=125\ in^{3}$

substitute in the equation and solve for P

$125*P=2,500$

$P=2,500/125=20\ psi$

8 0

3 years ago

I need with the volume!!!

murzikaleks [220]

Answer:

Tim read 81 pages.

Step-by-step explanation:

If he read 3 pages on Monday and tripled the amount of pages he red based of off the amount of pages he read the previous day, he would have read 3 pages on Monday, 9 pages on Tuesday, 27 pages on Wednesday, and 81 pages on Thursday.

Monday: 3

Tuesday: 3 x 3 = 9

Wednesday: 9 x 3 = 27

Thursday: 27 x 3 = 81

I hope this helps you! :D

8 0

2 years ago

WHATS IS -5x 2/7= I NEED HELP PLEASE

Kipish [7]

-5x 2/7 =

−10x/7

srry if it is wrong man but that is what i got

4 0

3 years ago

Select all the expressions that are equivalent to - 2/5 (15-20d + 5c).

Nostrana [21]

One of them is -6+8d-2c

4 0

2 years ago

The value of x is -1/4. Order the expressions from least to greatest. Enter 1 for the least amount; 2 for the second least amoun

Natasha_Volkova [10]

Answer:

1/20 trust me

Step-by-step explanation:

pls

4 0

3 years ago

Read 2 more answers