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geniusboy [140]
2 years ago
14

A rectangle has a height of and a width of 7x-4.

Mathematics
1 answer:
Mars2501 [29]2 years ago
7 0

Answer: (7x - 4)(7x - 4) = 49x^2 - 28x - 28x + 16 = 49x^2 - 56x + 16

Step-by-step explanation:

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P = 14.7e-0.21x, where x is the number of miles above sea level. To the nearest foot, how high
AlladinOne [14]

9514 1404 393

Answer:

  13064 feet

Step-by-step explanation:

We can rewrite the formula so that x is in feet. Equating the new formula to 8.743 PSI, we have ...

  8.743 = 14.7e^(-0.21x/5280)

Dividing by 14.7 and taking natural logs, we have ...

  ln(8.743/14.7) = -0.21x/5280

Multiplying by the inverse of the coefficient of x gives ...

  x = 5280·ln(8.743/14.7)/-0.21 ≈ 13064.0806

The peak of the mountain is about 13,064 feet high.

5 0
3 years ago
A rectangular prism has a length of 114 centimeters, a width of 4 centimeters, and a height of 314 centimeters.
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Step-by-step explanation: multiply length by width by height and you get 143184.

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3 years ago
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3 years ago
296.32 divided by 4= how to solve<br> pls
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