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Angelina_Jolie [31]
2 years ago
15

Simplify 3-3(5y+7)+(2y-6)

Mathematics
2 answers:
goblinko [34]2 years ago
7 0

To simplify this, we need to do PEMDAS (parenthesis then exponents, then multiplication and division, then addition and subtraction). Here, we can't combine any like terms in the parenthesis. Since there's no exponents, that means that the next step is to do multiplication. This gives us:

3 - 15y - 21 + 2y - 6

Now we can combine like terms.

(-15y + 2y) + (3 - 21 - 6)

-13y - 24

MArishka [77]2 years ago
5 0
I hope this helps :)!!

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3 years ago
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3 years ago
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Gwar [14]

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\displaystyle 36\:units

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Split up this Isosceles, Right Triangle into two congruent smaller right triangles. The reflexive side [the line that splits them apart] is 6 units, and both legs are 8 units, leaving the hypotenuses to AUTOMATICALLY be 10 units, according to the Pythagorean Theorem:

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With this Pythagorean Triple, we know that our dimensions are correct. Now, to find the perimeter, just add up all the sides EXCEPT for the divider:

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I am joyous to assist you anytime.

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