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likoan [24]
2 years ago
6

What is y=-x-14 y=-8x

Mathematics
1 answer:
Marina86 [1]2 years ago
6 0
Substitute y in the first equation. 

-8x = -x - 14
+x     +x

-7x = -14
-7x/-7 = -14/-7
x = 2

Now solve for y.

y = -18(2)
y = -36

Answer: (2, -36) or y = -36 and x = 2
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Robert is inspecting a shipment of 22 inch pipes. The length of the pipes may vary by 1%. What is the range of allowable lengths
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Answer:

The allowable lengths of pipe is from 21.78 inch to 22.22 inch.

Step-by-step explanation:

The length of the each pipe in the shipment =  22 inch

The variation in the length of pipes  = 1%

⇒The allowable length of pipe in the inspection  = 22 inch ± 1%

Now, 1% of 22 = \frac{1}{100}  \times 22 = 0.22

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and 22 inch -  1% = 22 inch - 0.22 =  21.78 inch

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The perimeter of a rectangular garden is 37.5 feet. The width is x, and the length is 15 ft. Use the equation 2(x + 15) = 37.5 t
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Step-by-step explanation:

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