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andrezito [222]
3 years ago
6

The rate of change of atmospheric pressure P with respect to altitude h is proportional to P, provided that the temperature is c

onstant. At a specific temperature the pressure is 102 kPa at sea level and 87.7 kPa at h = 1,000 m. (Round your answers to one decimal place.)
(a) What is the pressure at an altitude of 4000 m?
kPa
(b) What is the pressure at the top of a mountain that is 6463 m high?
kPa
Mathematics
1 answer:
Valentin [98]3 years ago
4 0

Answer:

idk this is actually hard

Step-by-step explanation:

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tino4ka555 [31]
X and y represent the two students.

Teacher wants to spend at least $5 in each of x and y. That means x or y could be either equal to 5 or higher than 5.
x ≥ 5
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x + y < 30

The correct answer is option D
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Add .003, 265.8, 83.04<br> and 1972
liq [111]
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Explanation: Calculator
5 0
3 years ago
The diameter of a Frisbee is 12 inches. what's the area of the Frisbee?
xenn [34]
A= πr² = π × 6² = "113.1" is the area of the frisbee. 

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7 0
3 years ago
Leah walks to soccer practice on Saturday. She leaves her home and walks 600 meters north. Leah then turns east and continues on
Diano4ka-milaya [45]

Answer:

800m

Step-by-step explanation:

this would be solved using Pythagoras theorem

we are to find the base

The Pythagoras theorem : a² + b² = c²

where a = length

b = base

c =  hypotenuse

600² + b² = 100²

b² = 10000 - 3600

b² = 6400

take the square root of both sides

b = 800m

4 0
2 years ago
A rectangle has length 2x+3 and width 7x+9. Write a polynomial in standard form that represents the perimeter of the rectangle.
sleet_krkn [62]

Answer:

18x+21

Step-by-step explanation:

First multiply each equation by 2 since there is 2 sides for both the length and width.

2(2x+3)   2(7x+9)

4x+3         14x+18    

Then combine like terms

4x+14x       3+18

18x              21

4 0
3 years ago
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