1 is what % of 200 ?
1 answer:
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Answer:
<h2>D. (42 - 2x)(32 - 2x) = 900</h2>Step-by-step explanation:
<em>Look at the picture.</em>
The dimensions of the picture:
(42 - 2x)in × (32 -2x)in
The formula of an area of a rectangle:
A = l · w
l - length, w - width
Substitute l = (42 - 2x), w = (32 - 2x) and A = 900
(42 - 2x)(32 - 2x) = 900
Okay, the formula for this would be
+ 
= 
Lets start with 4.
+ 
=
Simplify.
49 + 625 =
674 = c
c =
c = 25.96
Which is ≈ 26
Lets start with 4.
Simplify.
49 + 625 =
674 = c
c =
c = 25.96
Which is ≈ 26