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masha68 [24]
3 years ago
15

Two planes left an airport at noon. One flew east at a certain speed and the other flew west at twice the speed. The planes were

2700 miles apart in 3 hrs. how fast was each plane flying?
Mathematics
1 answer:
12345 [234]3 years ago
7 0
The plane flying west was flying at 600 miles per hour and the plane flying east was flying 300 miles per hour
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cestrela7 [59]

Answer:

$12,415.48

Step-by-step explanation:

A = P (1 + r/n)^(nt)

where A is the final amount,

P is the initial amount,

r is the annual interest rate as a decimal,

n is the number of compoundings per year,

and t is the number of years.

A = 8000 (1 + 0.152/2)^(2×3)

A = 8000 (1.076)^6

A = 12415.48

5 0
3 years ago
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Alexxx [7]

Answer:

Donna-71

Martina-62

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Step-by-step explanation:

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6 0
3 years ago
What is (6 + 3e)4 - 5e and 3(x - 5) + 7(x + 2) ?
Dafna11 [192]

idk lol use photomath

6 0
3 years ago
Can someone help please i’ll mark branliest!!
andre [41]

Answer:

a= 32 degrees

b= 148 degrees

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6 0
2 years ago
A flat rectangular piece of aluminum has a perimeter of 70 inches. The length is 11 inches longer than the width. Find the width
rodikova [14]

perimeter = 2L +2w

L = w+11

70 = 2(w+11) +2w

70 = 2w+22+2w

70= 4w + 22

48 = 4w

w=48/4 = 12

width = 12

length = 12+11 = 23

2x12 = 24

2x23 = 46

46+24 = 40

 length = 23 inches, width = 12 inches

Answer is D

5 0
3 years ago
Read 2 more answers
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