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Rashid [163]
4 years ago
13

Solve the linear expression 5(-3.4k-7)+(3k+21)

Mathematics
1 answer:
Marysya12 [62]4 years ago
4 0
I am just a middle-schooler, but like to answer, so I believe k is -1.
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The sum of 38 and twice a number is 24
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Step-by-step explanation:


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The dimensions of a rectangular building are given as a length of 12x + 24 feet and a width of 20x - 10 feet. Write the expressi
Ray Of Light [21]
<h3><u>The expression that represents the area of the building, in terms of x is:</u></h3>

Area = 240x^2 +360x - 240

<em><u>Solution:</u></em>

Given that,

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Length = 12x + 24 feet

Width = 20x - 10 feet

<em><u>The area of rectangle is given as:</u></em>

Area\ of\ rectangle = length \times width

<em><u>Substituting the values we get,</u></em>

Area\ of\ rectangle = (12x+24) \times (20x-10)

Multiply both

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Step-by-step explanation:

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