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kogti [31]
3 years ago
10

2x^2 + 9x +12+3x+2 8x^2 write an equivalent expression.

Mathematics
2 answers:
Alex73 [517]3 years ago
7 0

Answer:

10x^2 + 12x + 14

Step-by-step explanation:

Combine like terms: 2x^2 + 8x^2 = 10x^2 , 9x + 3x = 12x , 12 + 2 = 14

In total: 10x^2 + 12x + 14

Umnica [9.8K]3 years ago
7 0

Answer:

10x^2+12x+14

Step-by-step explanation:

add up the +_x^2

add up the +_x

add up the +_

combine

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Ludmilka [50]

Answer:

He will run 31.6 miles in two weeks.

Step-by-step explanation:

6 days a week = 2.3 miles

6 days · 2 weeks = 12 days total running 2.3 miles

1 day a week = 2 miles

1 day · 2 weeks = 2 days total running 2 miles

(12 · 2.3) + (2 · 2)

27.6 + 4

31.6 miles

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5 0
3 years ago
a cube measuring 1 cm on each side, what is the volume, if the cube was dropped into 28ml of water. what would the new volume be
meriva

Answer:

29 ml

Step-by-step explanation:

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hope this helped :)

5 0
3 years ago
The solution to the equation x + 11 = 18 is x = 7.<br><br><br> True<br><br> False
Usimov [2.4K]

Answer:

True

Step-by-step explanation:

X+11=18

subtract 11 from both sides

18-11=7

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5 0
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Step-by-step explanation:

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