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a_sh-v [17]
3 years ago
6

an airplane is at an altitude of 34,125 ft. the plane descends at a rate of 1,975 ft/min. about how long does it take the plane

to reach an altitude of 2100 feet (explain your answer)
Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
6 0

34,125 - 2,100 = 32,025

32,025/ 1,975 = 16.21 = 16

It will take 16 minutes for the plane to reach an altitude of 2,100 ft, because it has to descend a total of 32,025 ft at a rate of 1,975 ft per minute.

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Suppose the weights of farmer carl's potatoes are normally distributed with a mean of 8.0 ounces and a standard deviation of 1.1
denis23 [38]
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6 0
3 years ago
Factor. 3x2 + 20x + 25​
algol [13]

Answer:

(3 x + 5) (x + 5)

Step-by-step explanation:

Factor the following:

3 x^2 + 20 x + 25

Hint: | Factor 3 x^2 + 20 x + 25 by finding factors of 3×25 whose sum is 20.

Factor the quadratic 3 x^2 + 20 x + 25. The coefficient of x^2 is 3 and the constant term is 25. The product of 3 and 25 is 75. The factors of 75 which sum to 20 are 5 and 15. So 3 x^2 + 20 x + 25 = 3 x^2 + 15 x + 5 x + 25 = 5 (3 x + 5) + x (3 x + 5):

5 (3 x + 5) + x (3 x + 5)

Hint: | Factor common terms from 5 (3 x + 5) + x (3 x + 5).

Factor 3 x + 5 from 5 (3 x + 5) + x (3 x + 5):

Answer: (3 x + 5) (x + 5)

3 0
3 years ago
Read 2 more answers
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