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chubhunter [2.5K]
3 years ago
8

Find the sum of 7a^3+14a+12 and -6a^3+12a^2-7

Mathematics
1 answer:
Rasek [7]3 years ago
4 0

Answer:

a³+2a³+5

Step-by-step explanation:

7a³+14a+12+{-6a³}+12a²-7

=<u>7a³-6a³</u>+<u>14a+12a²</u>+<u>12-7</u>

=a³+2a³+5

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The price of a computer is marked down from $550 to $484 for a sale. The
scZoUnD [109]

Answer:

A) $425.92

Step-by-step explanation:

The new price percentage with relation to the previous can be determined by dividing p = \frac{484}{550}. Once we calculate p, we can multiply it by 484, which is equivalent to applying the same discount, thus \frac{484}{550}484=425.92

8 0
2 years ago
13 – 6x = 2(8 + 3x) <br> x= ???????
ruslelena [56]

Answer:

13-6x=2\left(8+3x\right)

13-6x=16+6x

13-6x-13=16+6x-13

-6x=6x+3

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or

x=-0.25

8 0
3 years ago
Read 2 more answers
A store is having a sale where winter clothes are 60% of the original price. A sweater is on sale for $30. What is the original
Thepotemich [5.8K]

Answer:$50

Step-by-step explanation:

So we have the sweater that’s $30 with a sale of 60% of the original price.

That means $30=60% of the original

So

30=60%start with this

5=10% divide 6 by both sides to get 10%

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So the original price of this sweater is $50

:D

4 0
3 years ago
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Can someone help Pleasaseee
Tom [10]

Answer:

i think it's 1.8.

Step-by-step explanation:

why? bc if u add 6/20 + 1.5 = 1.8

i think it's 1.8, im not sure, hopefully it's correct!!

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2 years ago
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3 years ago
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