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Agata [3.3K]
3 years ago
15

What is the solve for a За + 15 = -9

Mathematics
1 answer:
Natali [406]3 years ago
3 0

Answer:

a= -8

Step-by-step explanation:

-8

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Simplify <br> -4x ^3 y ^2(7xy ^4)
avanturin [10]
<span>( -26•7y6x) thats the answer i hope its right im positive it is</span>
4 0
3 years ago
What is the value of y in the solution to this system of equations?<br> 5x – 7y = 7<br> y = -5x + 3
zysi [14]

Answer:

y = -0.5

Step-by-step explanation:

given

5x – 7y = 7    ------- eq 1

y = -5x + 3  (we rearrange this so that the terms are in the same order as eq 1)

-5x – y = -3   ----- eq 2

by elimination, eq 1 + eq 2

(5x – 7y) + (-5x – y) = 7 + (-3)

5x - 7y -5x - y = 7-3

-8y = 4

y = 4/(-8)

y = -0.5

7 0
3 years ago
Jeans bedroom is 11 feet by 13 feet. She has chosen a carpet which cost $33.35 per square yard. This includes installation. Dete
Helga [31]
<h3>Answer:  $489.13</h3>

===========================================================

Work Shown:

1 yard = 3 feet

1/3 yard = 1 foot .... divide both sides by 3

1 ft = 1/3 yard

11 ft = 11/3 yard ... multiply both sides by 11

13 ft = 13/3 yard ... same idea, but now with 13

-----

area in square yards = (11/3)*(13/3) = 132/9 square yards

Multiply this area with the cost per square yard ($33.35) to get

(132/9)*33.35 = 489.133333

Rounding to the nearest penny, we get $489.13

5 0
3 years ago
Can somebody help me on this problem please I will give you brainliest:)
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7 0
3 years ago
Read 2 more answers
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