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allochka39001 [22]
2 years ago
7

If the side links 27 and 27 are halved, then which of the following statements about its area will be true.

Mathematics
1 answer:
Alenkinab [10]2 years ago
4 0

Answer: 1:4

It doesn't matter what the original side lengths were. If both dimensions are divided by 2, (halved) the Area of the new square will be 1/4 the Area of the original square.

Step-by-step explanation:

But to prove it:  27×27 = 729 .

27/2 = 13.5 .   13.5 × 13.5 = 182.25

729/182.25 = 4 .or  182.25/729 = 0.25

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Answer:

First option:  3x^2-5x=-8

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Step-by-step explanation:

Rewrite each equation in the form ax^2+bx+c=0 and then use the Discriminant formula for each equation. This is:

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1) For 3x^2-5x=-8:

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2) For 2x^2=6x-5:

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D=(-12)^2-4(9)(4)=0

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4) For -x^2-10x=34:

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Then:

D=(-10)^2-4(-1)(-34)=-36

Since D, this equation has no real solutions, but has two complex solutions.

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