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irga5000 [103]
2 years ago
14

The length of a rectangle is x times the square root of 100. The width is one-half y more than three-halves x. Given that the ar

ea of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y?
A) 5xy − 15x = 125
B) 5xy + 15x = 125
C) 15x2 − 5xy = 125
D) 15x2 + 5xy = 125
Mathematics
2 answers:
pashok25 [27]2 years ago
7 0
Area=length x width
A=10x(3/2 x + 1/2 y).
Now Distribute...
A=30x^2/2 + 10xy/2)
Now simplify fractions...
A=15x^2 + 5xy= 125

So I believe your answer is D)
kupik [55]2 years ago
6 0
I think it’s D as well!
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Levart [38]

Answer:

S = 2

Step-by-step explanation:

1st step: Simplify both sides of the equation

4/5 s - 3/4 s = 1/10

4/5 s + -3/4 s = 1/10

(4/5 s + -3/4 s) = 1/10 (combine like terms)

1/20 s = 1/10

1/20 s = 1/10

step 2: multiply both sides by 20

20 * (1/20 s) = 20 * (1/10)

s = 2

Hope this helped!

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