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2 years ago

A rectangular room is

Mathematics

1 answer:

MAVERICK [17]2 years ago

8 0

We should fuigre it out by first doing 1.7x since we don't know the 2 different widths and lengths.

P= 2*length + 2*width(the distance around)

Question says...

2(1.7x)+2x = 28

3.4x+2x=28

5.4x=28

X= 28m divided by 5.4

x = 5.2m: the width The length is : 8.8m

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The sum of Sasha’s and Natalie’s ages is 31. Twice Natalie’s age is 11 years more than Sasha’s age. Find each of their ages

ZanzabumX [31]

Answer:

Natalie's age is 14

Sasha's age is 17

Step-by-step explanation:

Let

Sasha's age be "s", and

Natalie's age be "n"

Sum of Sasha and Natalie is 31:

s + n = 31

Twice Natalie is 11 more than Sasha:

2n = s + 11

We ca solve this equation for s first:

s = 2n - 11

We put this into first equation and solve for n first:

s + n = 31

2n - 11 + n = 31

3n = 31 + 11

3n = 42

n = 42/3 = 14

Natalie's age is 14

Also, s = 2n - 11

s = 2(14) - 11

s = 28 - 11

s = 17

Sasha's age is 17

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2 years ago

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algol13

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2 years ago

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