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Marta_Voda [28]
2 years ago
15

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

Mathematics
1 answer:
AlladinOne [14]2 years ago
5 0

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.

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X^2+2y=19<br> X^2+y^2=34
Katen [24]

Answer:

x=3

y=5

Step-by-step explanation:

3×3=9

5×5=25

9+25=34

[3^2+5^2=34]

3^2=9

2×5=10

9+10=19

[3^2+2×5=19]

5 0
3 years ago
What is the slope of the line
kolbaska11 [484]

Answer:

B.

Step-by-step explanation: Because when you count them down to 3/5 It's more in the negative.

6 0
3 years ago
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Look at attachment below
Romashka [77]
I think it’s 8/55=4/x
So it’s 8x=4(55)
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4 0
3 years ago
Rob can lift less than 135 pounds at the weight room. There is already 48 pounds of weights on the bar. Write an inequality that
Rama09 [41]

Answer:

x + 46 < 135

Step-by-step explanation:

Given

Initial\ Weight = 48lb

He can lift less than 135 implies that, his maximum is:

Total < 135

Required

Determine the additional weight

Let the additional weight be x

Such that

Total = x + Initial\ Weight

Total = x + 46

Substitute x + 46 for Total in Total < 135

x + 46 < 135

<em>Hence, the inequality that describes the scenario is: </em>x + 46 < 135<em></em>

6 0
3 years ago
A water tank has 1,500 liters of water. It has a leak, losing 4 liters per minute. At the same time, a second tank has 300 liter
Darina [25.2K]

Let t be the number of minutes.

The first tank starts with 1500 liters, and loses 4 liters per minute, so after t minutes there will be

1500-4t

liters of water.

The second tank is filled at 6 liters per second, i.e.

6\times 60=360 liters per minute.

So, there will be

300+360t

liters of water in the second tank after t minutes.

The two quantities will be equal when

1500-4t=300+360t \iff 1200=364t \iff t=\dfrac{1200}{364}\approx 3.3

so, approximately, after 3.3 minutes.

4 0
3 years ago
Read 2 more answers
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