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Mandarinka [93]
3 years ago
11

The legs of a right triangle are 3 units and 4 units long. Another right triangle is dilated from this triangle using a scale fa

ctor of 3. What are the side lengths and the perimeter of the dilated triangle?
Mathematics
1 answer:
torisob [31]3 years ago
4 0
Of, pythagoren triplet, 3,4,5 so the side lengths are multiplied by 3
you get 9,12,15 and the perimeter is 36.
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Plug in numbers in for x. 
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7 0
4 years ago
10x + 4y = 24 6x +12y = 48 What is the value of y? * <br>A. 7 <br>B. 7/2 <br>C. 1 <br>D. -7/2​
ziro4ka [17]

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B

Step-by-step explanation:

1) lets use elimination to solve this:

multiply 10x+4y=24 with 3 in order to get "4y" into "12y"

3(10x+4y=24)

30x+12y=72

now subtract both equations to eliminate 'y"

30x+12y=72

-

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---------------------

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now substitute 1 in the above equation:

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4 0
3 years ago
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