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Sever21 [200]
2 years ago
11

Help please I don’t know what to do

Mathematics
2 answers:
Zepler [3.9K]2 years ago
6 0

Answer:

B

Step-by-step explanation:

Combine Like terms

sammy [17]2 years ago
5 0

Answer:

The answer is letter B

Step-by-step explanation

Simply combine like terms in which

-2x^2 + 7x^2 = 5x^2

8x + 4x = 12x

-9 + 2 = 7

So we come up with the answer of the option letter B

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xia's flowers = 13f

the expression for xia's flower is 13f
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3 years ago
Is the system of equations consistent, consistent and coincident, or inconsistent? Y=-x-1 / 3y=-3x+2
Neporo4naja [7]
I hope this helps you

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2 years ago
Find each measure.
andreyandreev [35.5K]

Answer:

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Step-by-step explanation:

4 0
3 years ago
You are debating about whether to buy a new computer for $800.00 or a refurbished computer with the same equipment for $640.00.
Naily [24]

Total deduction

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  • 19.65+8
  • 27.65%

Now

Earnings after deduction

  • 10-10(0.2765)
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7 0
2 years ago
Select all the expressions that are equivalent to -36x+54y−90.
CaHeK987 [17]

Answer:

b) -18(2x -3y + 5)

d) 18(-2x + 3y - 5)

e) -2(18x - 27y + 45)

Step-by-step explanation:

a) -9( 4x - 6y - 10) = -36x + 54y + 90 not equal

b) -18(2x - 3y + 5) = -36x + 54y - 90 equal

c) -6(6x + 9y - 15) = -36x - 54y + 90 not equal

d) 18(-2x + 3y - 5) = -36x + 54y - 90 equal

e) -2(18x - 27y + 45) = -36x + 54y - 90 equal

f) 2(-18x + 54y - 90) = -36x + 108y - 180 not equal

7 0
2 years ago
Read 2 more answers
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