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tankabanditka [31]
4 years ago
15

Simplify the expression -5x(-7x-3) please help

Mathematics
2 answers:
sladkih [1.3K]4 years ago
7 0

Answer:

35x (to the second power)+15x

Step-by-step explanation:

hope this helped

telo118 [61]4 years ago
5 0

Answer: 35x^2 + 15x

Step-by-step explanation:

Use the distribution rule.

Which gives: -5x(-7x) + 5x(3)

So your answer is: 35x² + 15x

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The perimeter of an equilateral triangle is 51 feet.what is the length of one of its side?explain your work
satela [25.4K]

Hello!

The answer is: 17 ft.

Explanation:

To find this out, just divide the perimeter, and the amount of sides in a triangle, which is 3. This will only work with equilateral triangles because an equilateral triangle has all three sides the same length. Anyway, divide 51 and 3. (51 / 3 = 17) Just to make sure, you can add three 17's together, 17 + 17 + 17 = 51, the perimeter.

I hope this helped! ~Q

4 0
3 years ago
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oksian1 [2.3K]
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8 0
4 years ago
7) If x-2 is a factor of P(x)= x^2-5x+a then find the value of a
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Answer:

a = 6

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7 0
3 years ago
What type of correlation does this graph show?
Luba_88 [7]

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