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V125BC [204]
2 years ago
7

Item 3

Mathematics
1 answer:
NikAS [45]2 years ago
5 0

Answer:

I'm taking the test right now so i'll tell you the right answer after I submit my test but for now I think it's C.

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The length of a rectangle is 3cm longer than its width.If the perimeter of the rectangle is 54cm,find its length in cm.​
aalyn [17]

Answer:

length = 15 cm

Width = 12 cm

Step-by-step explanation:

Let width = w cm

Length = w + 3

Perimeter of rectangle = 54 cm

2 * (length + width) = 54

2 * (w+3 + w) = 54   {Add like terms}

2 *(2w + 3) = 54

2*2w + 2 * 3 = 54

4w + 6   = 54

Subtract 6 form both sides

4w = 54 - 6

4w = 48

Divide both sides by 4

w = 48/4

w = 12 cm

Length = 12 + 3= 15 cm

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3 years ago
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gavmur [86]

Answer:

It's 14

Step-by-step explanation:

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(x-3) to the 2 = 0 in standard form​
Ivenika [448]
X-3+2 is the answer to this question
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Determine the domain of the function:
PtichkaEL [24]

Answer:

Domain: Range of x values

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2 years ago
Find the slope of the line through<br> (-5, 18) and (11, 20)
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Answer:

Slope = 1/8

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