3 years ago

Solve the system. x + y = 8 2x2 – y = –5 Add the equations

2 answers:

6 0

Answer: Solve the system. x + y = 8 2x2 – y = –5 Add the equations, then choose the result. 3x2 = –13 3x2 = 3 2x2… Get the answers you need, now!

2 answers

Top answer:

2x^2 - y = -5 x + y = 8----------------add2x^2 + x = 3 <==** 2x^2 and x cannot be add

Step-by-step explanation: HAVE A GREAT DAY

Leya [2.2K]3 years ago

5 0

Answer:

X+Y = 8

2X-Y =-5

(X+2X+Y-Y)=8-5

3X=3

X=1

1+Y=8

Y=8-1

Y=7

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3 years ago

Read 2 more answers

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liubo4ka [24]

Answer:

1) 20.9

2) 896

3) 21

Step-by-step explanation:

1) 5.6÷2^3+(12.75+7.45)

---> 12.75 + 7.45 = 20.2

$5.6$ ÷ $2^3 + 20.2$

--> Simplify 2^3 to 8

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--> Simplify

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2) 4^3 × (0.6 +3.6) ÷ 0.3

---> 0.6 + 3.6 = 4.2

4^3 * 4.2 ÷ 0.3

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--> Simplify

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2 years ago