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Dmitrij [34]
3 years ago
14

I NEEEEEEEEEEED HELP!

Mathematics
2 answers:
FromTheMoon [43]3 years ago
8 0
C cause i had this q
lubasha [3.4K]3 years ago
7 0

Answer:

c

Step-by-step explanation:

Already took this test

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Whats 45 times 25 to the power of 3 minus 12 divided by 9
atroni [7]
I got 703,124 rounded.
6 0
3 years ago
Which expression is equivalent to( 9x^2+2x-7)(-4)
Masteriza [31]

Answer:

I'm pretty sure its B. (9x2+2x-7)(x)+(9x2+2x-7)(-4)  

Because its just splitting up the (x-4) and if you add the answers together then you get the same answer as the original

Step-by-step explanation:


7 0
3 years ago
Read 2 more answers
Solve the system of equations x+y=-8 and -9x-6y=60 by combining the equations
TiliK225 [7]

Answer:

x = - 4    y = - 4

Step-by-step explanation:

x+y= - 8

-9x-6y=60

First, solve for x in the first equation:

x+y = - 8       Subtract y from both sides

x + y - y = -8 - y    y cancels on the left

x = - 8 - y

Now plug in what you found for x into the 2nd equation and solve for y.

- 9x - 6y = 60

-9(- 8 - y) - 6y = 60   Multiply out

72 + 9y - 6y = 60

72 + 3y = 60  Subtract 72 from both sides

72 - 72 + 3y = 60 - 72    72 cancels on the left

3y = - 12     Divie both sides by 3

3y/3 = -12/3     3 cancels on the left because 3/3 = 1

y = -4

Now plug your answer for y back into the first equation to get x.

x + y = -8

x + (-4) = - 8  Add 4 to each side

x - 4 + 4 = - 8 + 4   4 cancels on the left

x = -4

x = - 4 and y = - 4

8 0
3 years ago
HELP PLEASE!!!! 8TH GRADE MATH
vladimir2022 [97]

1. 12 pages per minute

3 0
3 years ago
Help asap please!!<br> Find the measure of y.<br> A. 43<br> B. 53<br> C. 90<br> D. 47
Amiraneli [1.4K]

Answer:

y=43

Step-by-step explanation:

y=2(90-46)/2

y=43

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5 0
2 years ago
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