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kvv77 [185]
3 years ago
6

Given the functions a(x) = 3x − 12 and b(x) = x − 9, solve a[b(x)] and select the correct answer below.

Mathematics
2 answers:
Alexxx [7]3 years ago
8 0
The answer is 3x-39 please tell the no wrong

Natalija [7]3 years ago
7 0

Just finished the quiz the answer is D

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How to set up this problem
HACTEHA [7]

Answer:

The son is five years old

Step-by-step explanation:

Let the son's age be x

A man is five as old as his son, 5x

In five years, he would be three times as old as his son

In five years: son would be x+5

Father 5x+5

3(x+5)=5x+5

3x+15=5x+5

Collect like terms

15-5=5x-3x

10=2x

Divide by 2

10/2=2x/2

x=5

The son is five years old

5 0
3 years ago
Find the value of x in the parallelogram
lord [1]

Answer:

72 = x

Step-by-step explanation

154 is one of the degrees for that angle. And I seen 82 for the other one.

All you have to do is subtract 154 and 82 and you get 72.

8 0
2 years ago
Lisa's test grades are 79, 89 and 90
Vaselesa [24]

Answer:

<u>94</u>

Step-by-step explanation:

Equating the mean to the scores :

  • 88 = 79 + 89 + 90 + x / 4
  • 352 = 258 + x
  • x = <u>94</u>
6 0
2 years ago
Read 2 more answers
What triangle can be obtuse?
True [87]

Answer:

Isosceles and scalene triangles can both be obtuse.

3 0
3 years ago
During a dry year, the reservoir level dropped 512 feet. The next year the level rose 314 feet. Which expression shows the total
tia_tia [17]

Answer:

You will be hot as shet

Step-by-step explanation:

e

5 0
3 years ago
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