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3 years ago

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Bernice is participating in a walk for charity. she knows she can walk 3 miles in 45 minutes. at that rate, how long will it tak

e carol to walk 24 miles

1 answer:

seropon [69]3 years ago

6 0

360 minutes

hope this helps :)

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The polynomial is a difference squares. Use the formula a^2 -b^2=(a+b)(a-b) to factor completely. 81x^2-49 the value of a is the

AnnZ [28]

Answer: $(9x)^{2}-(7)^{2}=(9x-7)(9x+7)$

Step-by-step explanation:

1. By definition you have that the difference of squares is:

$a^{2}-b^{2}=(a+b)(a-b)$

2. Given the polynomial:

$81x^{2}-49$

You can identify that there are two terms whose signs are different and they are perfect squares.

3. Therefore, you have:

$81x^{2}-49=(9x)^{2}-(7)^{2}=(9x-7)(9x+7)$

6 0

3 years ago

Read 2 more answers

What is the first inverse operation needed to solve for p? 2p - 254= 900

8_murik_8 [283]

Answer:

inverse operation add (254 to other side)

2p - 254 = 900

+254 = + 254

then divide

2p = 1154

/2 = /2

p = 577

6 0

3 years ago

The answer to this problem

Olenka [21]

Answer:

5

Step-by-step explanation:

I drew it out on a piece of paper. R is going up and down, through PQ, which is going left to right. If the ratio is 1:3, that means that for every 1 unit there is on one side, there are 3 units in the other. If R is -1 and P is -3, they are two numbers away from each other, which means that on the other side of R (to the right of R), there needs to be 6 numbers in between to make the 1:3 ratio. R is at -1, so then you would write the equation, -1+6=? The answer is 5.

-1+6=5 That is where Q would be

5 0

4 years ago

Answer corecctly plss<br> 7(2+5v0=2v+14

Radda [10]

Answer:

v=0

Step-by-step explanation:

I think you mean 7(2+5v)=2v+14.

14+35v=2v+14 distribute

33v=0 Subtract 2v and 14

v=0 divide by 33 on both sides

Hope this helps plz mark brainliest if correct :D

7 0

3 years ago

The table represents a linear function. The rate of change between the points (–5, 10) and (–4, 5) is –5. What is the rate of ch

ozzi

Answer:

'-5'

Step-by-step explanation:

The table is a linear function. This means that all the points have a consistent slope. If two points had a different slope, it would be a nonlinear function.

Slope is rise over run. We are given the points (-3,0) and (-2,-5).

$m=\frac{-5-0}{-2+3}=\frac{-5}{1}=\huge\boxed{-5}$

7 0

3 years ago

Read 2 more answers