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ivann1987 [24]
2 years ago
7

Simplify (a+7) + (3a+4)

Mathematics
1 answer:
elena-14-01-66 [18.8K]2 years ago
3 0

Answer:

<em>= 4a + 11</em>

Step-by-step explanation:

a+7+3a+4

Combine Like Terms:

= a + 7 + 3a + 4

= (a + 3a) + (7 + 4)

<em>= 4a + 11 </em>

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Answer:

5

Step-by-step explanation:

The diagonal is the length which is 5

solution

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3 0
2 years ago
What is the solution of the following system?
erica [24]

Answer:

The answer to your question is: both lines are the same.

Step-by-step explanation:

                                   

                                             3x + 3y = 10

                                            -9x -9y = -30

Elimination method

                                            9x + 9x = 30

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                                              0     0      0

8 0
3 years ago
Evaluate: 2·5\4^-2 <br> A) 5\8 B<br> B) 8\5 <br> C) 40 <br> D) 160
alexandr402 [8]
D. 160 you simplify the expression to get your answer.
3 0
3 years ago
Read 2 more answers
kendrick deposits twice as much money into his account as he did the day before his initial deposit is 5 dollars write an equati
Ulleksa [173]
To represent this scenario, you will look at what is happening mathematically and represent it.

Beginning with 5, this will double each day, so 5 x 2 is the deposit.

Then, this amount will double, so (5 x 2) x 2 is the deposit.

Next this will double, and so on.

What is happening is that it is always doubling the previous day's deposit, so x 2 x 2 x 2, etc... you will use exponents to show the number of days that it doubled.

y = 5 x 2^x
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3 years ago
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Answer:

B.

Step-by-step explanation:

7 0
3 years ago
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