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Aleks04 [339]
2 years ago
11

The mean of (x + 5), (x + 3), (2x + 1) and (x - 6) is 12. What is the value of x?

Mathematics
1 answer:
navik [9.2K]2 years ago
7 0

Answer:

x=9

Step-by-step explanation:

answers too short so cigdtusrysyksrytf7hiuf6s4td6figiio

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Felipe rented a truck for one day. There was a base fee of $16.95, and there was an additional charge of 76 cents for each mile
adelina 88 [10]

Answer:Fee as a function of miles:

f(m) = 16.95 + 0.92m

140.23 = 16.95 + 0.92m

0.92m = 140.23 - 16.95

0.92m = 123.28

m = 123.28/0.92

m = 134 miles

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
6 x ____ = 9<br><br> 6 times what number equals 9
hjlf

Answer:

3/2

Step-by-step explanation:

6 * _x___ = 9

Divide each side by 6

6 x __x__ = 9

x = 9/6

Simplify

x = 3/2

3 0
2 years ago
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X^2 = -8x - 7 Rewrite the equation by completing the square. What are the solutions?
gladu [14]

1) rewrite the equation by completing the square

(X+4)^2=9

2) what are the solution to the equation

Answer A= X=-4 plus and minus 3

6 0
3 years ago
Please explain 10-15. Thank you
Reptile [31]
5 because 15 -10 is 5
4 0
3 years ago
Read 2 more answers
How to factor y^3 +2y^2 + 2y + 1
cupoosta [38]

Answer:

Step-by-step explanation:

P(y) = y³ + 2y² + 2y + 1  

P(-1) = (-1)³ + 2*(-1)² + 2*(-1) + 1

      = -1 + 2 - 2 + 1

      = 0

As, P(-1) = 0, (y + 1) is a factor.

  Use synthetic division or remainder theorem.

-1        1          2           2           1

       <u>    0        -1            -1         -1        </u>

           1          1            1            0

quotient = y² + y + 1

y³ + 2y² + 2y + 1  = ( y + 1) (y² + y + 1)

 

4 0
3 years ago
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