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Ivanshal [37]
3 years ago
9

-2a3 - 3a2 + 4a + 6, 2a3 + 5a2 + 7 sum the expression

Mathematics
1 answer:
zavuch27 [327]3 years ago
5 0

Answer:

2a2 + 4a + 7

Step-by-step explanation:

As, - (2a3 - 3a2 + 4a + 6) + (2a3 + 5a2 + 7)

= 2a2 + 4a + 13

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Mariah just read the following passage in a short story:
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Answer:

D. enlargement

Step-by-step explanation:

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3 0
3 years ago
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Write an expression for the sum of four consecutive odd integers where 2n +1 represents the smallest odd integer.
7nadin3 [17]
8n+16
the four odd numbers are 2n+1, 2n+3, 2n+5, 2n+7
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5 0
3 years ago
If someone could please help me then that would be great.
postnew [5]

Answer: Infinite Solutions

Step-by-step explanation: Make the top x and y values times -2 to cancel all the variables and numbers out to get 0 = 0 so it would be Infinite Solutions.

And if you multiply by 2 you get the exact same equation.

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6 0
3 years ago
Solve for h.<br> h - 6 =<br> =<br> 7
MrRissso [65]

Answer:

<h2><em><u>h = 13</u></em></h2>

Step-by-step explanation:

Solve for h.

h - 6 =  7

h = 7 + 6

h = 13

------------------

check

13 - 6 = 7

7 = 7

the answer is good

6 0
2 years ago
Read 2 more answers
Suppose a house costs $270,000 appreciates by 5% each year. In about how many years will the house be worth $350000?
Vikki [24]
350000 =  270000(1.05)^n

1.05)^n = 350000/270000 = 1.296296

n =  log 1.296296 / log 1.05 = 5.3 years answer
7 0
3 years ago
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