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Ray Of Light [21]
2 years ago
15

What is the simplified answer? 9x + 5 + 4( x + 3) +2

Mathematics
2 answers:
guajiro [1.7K]2 years ago
8 0

Answer:

13x + 20

Step-by-step explanation:

<u>Step 1:  Distribute</u>

9x + 6 + 4(x + 3) + 2

9x + 6 + (4 * x) + (4 * 3) + 2

9x + 6 + 4x + 12 + 2

<u>Step 2:  Combine like terms</u>

9x <u>+ 6</u> + 4x <u>+ 12</u> <u>+ 2</u>

13x + 20

Answer:  13x + 20

gladu [14]2 years ago
5 0

Answer:

13x+19

Distribute the parentheses to be 4x+12 and then combine like terms. 9x+4x=13x, 5+12+2=19,

13x+19

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A city doubles its size every 79 years. If the population is currently 200,000 what will the population be in 316 years?
DiKsa [7]

Answer:

800,000

Step-by-step explanation:

316÷79=4

we do 4×200,000 to find the answer.

7 0
3 years ago
Write an equation, in the slope intercept form, of the line with an x-intercept at (3 , 0) and a y-intercept at (0 , -5).
mamaluj [8]

Hello : let  A(3,0)    B(0,-5)<span>
the slope is :   (YB - YA)/(XB -XA)
(-5-0)/(0-3)  = 5/3
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6 0
3 years ago
Expand 3(z+3) please help me solve this
mojhsa [17]

Answer:

3(z+3) = 3z + 9 if thats what your asking

Step-by-step explanation:

7 0
2 years ago
Suppose z is proportional to the square root of x. If z = 717 when x = 9, find the proportionality constant k.??
Dahasolnce [82]

Answer:

  239

Step-by-step explanation:

Write the equation. Fill in the given values, and solve for the unknown,

  z = k√x

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The constant of proportionality is 239.

8 0
2 years ago
Read 2 more answers
12.Divide. (x^2+2x+1/x^2-8x+16)/(x+1/x^2-16
lina2011 [118]
For this case we have the following expression:
 (x ^ 2 + 2x + 1 / x ^ 2-8x + 16) / (x + 1 / x ^ 2-16)
 Rewriting we have:
 (((x + 1) (x + 1)) / ((x-4) (x-4))) / (x + 1 / ((x + 4) (x-4)))
 Then, we cancel similar terms:
 ((x + 1) / (x-4)) / (1 / (x + 4))
 Rewriting:
 ((x + 1) (x + 4)) / (x-4)
 Answer:
 
((x + 1) (x + 4)) / (x-4)
3 0
3 years ago
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