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netineya [11]
3 years ago
8

If y = 45 when x = 180, what is the y when x= 90

Mathematics
1 answer:
bearhunter [10]3 years ago
6 0

Answer:

24.5

Step-by-step explanation:

Since 180 is double 90 divide 45 by 2 and you'll get 24.5

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The width of the rectangle
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Answer:

84cm^2

Step-by-step explanation:

P=2l+2w

We are given,

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l=2w+2

Plug these into the first formula and solve for the dimensions,

length and width, of the rectangle:

40=2(2w+2)+2w              Simplify

40=4w+4+2w

40=6w+4

36=6w

6=w OR the width is 6cm, therefore,

the length is

l=2(6)+2

l=14cm

To calculate the area of a rectangle, A=lw,

plug the length,14cm, and the width, 6cm, into this formula

A=(14)(6)

A=84cm2 OR the area of the rectangle is 84cm^2

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3 years ago
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Step-by-step explanation:

7y - 2y^3 + 5y^2 - (  12y^2 – 4y^3)

Distribute the minus sign

7y - 2y^3 + 5y^2 - 12y^2 + 4y^3

Combine like terms

2y^3-7y^2+7y

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ava took out a 30 year loan for 310000 at 2.3% interest compounded monthly if her monthly payment on the loan will remain 1192.8
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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