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Rufina [12.5K]
3 years ago
5

If the formula for the perimeter of a rectangle is p= 2l+2w then w can be expressed as​

Mathematics
1 answer:
svetlana [45]3 years ago
6 0

Step-by-step explanation:

2L+2W= L*L+W*W= 2*2+2*2= 8

L= lenght

W= width

(the formula of a rectangle is P (perimeter) = 2W (the two widths added together) + 2L (the two lengths added together)

w=2l-p÷2;    w=p-1÷2;     w=p-21÷2     w=p-2w÷21????

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Which is an equation of the line with slope -3 and passes through (2,-1)?
Anuta_ua [19.1K]

Answer:

C

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - 3, so

y = - 3x + c ← is the partial equation

T find c substitute (2, - 1) into the partial equation

- 1 = - 6 + c ⇒ c = - 1 + 6 = 5

y = - 3x + 5 ← in slope- intercept form

Add 3x to both sides

3x + y = 5 ← in standard form → C

7 0
3 years ago
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Sauron [17]

Answer:

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Step-by-step explanation:

?

3 0
3 years ago
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How many times dose 21 go i, to 39?
Andrew [12]
If you want the answer youse a calculator or do 21 divided by 38
5 0
3 years ago
Eggplant has a yield of 81%. If you purchase 12lb of eggplant, how many pounds will you be able to use?(round to the nearest hun
Aleonysh [2.5K]

Answer:

9.72 lb

Step-by-step explanation:

Yield = the amount or quantity produced or returned.

Given:

  • Yield of eggplant = 81%
  • Amount of eggplant purchased = 12 lb

To determine how many pounds of eggplant you will be able to use, calculate 81% of the amount of eggplant purchased.

\begin{aligned}\sf 81\% \: of \: 12 \: lb & = \sf \dfrac{81}{100} \cdot 12\\\\& = \sf  \dfrac{81 \cdot 12}{100}\\\\& = \sf \dfrac{972}{100}\\\\& = \sf 9.72\:lb\end{aligned}

Therefore, you will be able to use 9.72 lb (nearest hundredth).

Learn more about percentages here:

brainly.com/question/27998542

brainly.com/question/27975347

6 0
1 year ago
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jodi walks 35 minutes a day if she walks for 240 days ,how many minutes altogether does jodi walk ??????
Ann [662]
To answer that question, you need to multiply 35 minutes × 240 days. 

So:
        35
   × 240
_________
8400 minutes, 

So Jodi walked a total of 8400 minutes 

I hope this helped :)

8 0
3 years ago
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