2 years ago

Which expression(s) is/are equivalent to 8-2(5x-3). Explain or show work to justify your decision.

Mathematics

2 answers:

Alik [6]2 years ago

7 0

Answer:

B AND E (8-10x+6 & -10x+14)

Step-by-step explanation:

hope this helps !!!!!!!

Travka [436]2 years ago

3 0

The following are equivalent:
8-10x + 6
8-(10x-6)
-10x+14

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^ { (5x ^ { 3 } -7x ^ { 2 } +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }

Tomtit [17]

Answer:

$-3x^{3} -9x^2+3$

Step-by-step explanation:

Given

$(5x^{3} -7x^{2} +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }$

Required

Simplify

$(5x^{3} -7x^{2} +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }$

Open brackets

$5x^{3} -7x^{2} +3x-4-8x^3 -2x^2 -3x+7$

Collect Like Terms

$-8x^3+5x^{3} -7x^{2} -2x^2+3x -3x-4+7$

Simplify like terms

$-3x^{3} -9x^2+3$

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2 years ago

Number is 22 round down to

alina1380 [7]

Answer:

22 rounds down to 20 if that is what you are asking

Step-by-step explanation:

You did not finish your question i dont think. 22 DOES round down to 20 though.

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3 years ago

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Answer:

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Step-by-step explanation:

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I think this is what you want to do

Your welcome

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