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3 years ago

ASAP HW HELP. what’s the answer please I don’t understand!!

Mathematics

1 answer:

irakobra [83]3 years ago

4 0

Answer:

1/2+1.5

I think. I'm sorry if I'm wrong

Step-by-step explanation:

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AnnZ [28]

Answer:

2. 12.08

3. 7.74

Step-by-step explanation:

a squared + b squared = c squared

2. 5 squared = 25, 11 squared = 121, 25 + 121 = 146, the squre root of 146 is 12.08

3.19 squared = 361, 421 - 361 = 60 60 squared = 7.74

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3 years ago

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A rectangle has a length of (x + 4) centimeters and a width of 12x centimeters. If the perimeter is 26 centimeters, what is the

STALIN [3.7K]

Answer:

The width of rectangle is $W=\frac{108}{13}\ cm$ or $8\frac{4}{13}\ cm$

Step-by-step explanation:

we know that

The perimeter of rectangle is equal to

$P=2(L+W)$

where

L is the length of rectangle

W is the width of rectangle

we have

$P=26\ cm\\L=(x+4)\ cm\\W=12x\ cm$

substitute

$26=2(x+4+12x)$

solve for x

$26=2(13x+4)$

$26=26x+8$

$26x=26-8$

$26x=18$

$x=\frac{18}{26}$

simplify

$x=\frac{9}{13}$

<em>Find the width of rectangle</em>

$W=12x\ cm$

substitute the value of x

$W=12(\frac{9}{13})=\frac{108}{13}\ cm$

Convert to mixed number

$\frac{108}{13}\ cm=\frac{104}{13}+\frac{4}{13}=8\frac{4}{13}\ cm$

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3 years ago

an elevator in a skyscraper rises 240 feet in 1/5 minute. What is the elevator's rate in feet per minute?

Nutka1998 [239]

Answer:

1200

Steps to answer the problem:

1/5 of a minute goes in to 1 minute 5 times

5 x 240 = 1200

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Answer:

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Step-by-step explanation:

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