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sasho [114]
2 years ago
13

The distance between Detroit, Ml to Paris, France is approximately 3930 mi. Flying from Detroit to Paris take 8 hr with the jet

stream. The return flight takes 8.3 hr since the plane is flying against the jet stream. a. What the plane Soren still in air, rounded to the nearest whole number, is blank mph b. What the speed of the jet stream, rounded to the nearest whole number, is blank mph
Mathematics
1 answer:
slamgirl [31]2 years ago
8 0

Answer:

a)   s=482moh

b)  s'=9mph

Step-by-step explanation:

From the question we are told that:

Distance d=3930mi

Time of flight T=8hr

Flight back T_b=8.3hr

Generally the equation for Time for flight with jet steam is mathematically given by

T=\frac{d}{s+s_1}

8=\frac{3930}{s+s'}

s+s'=491.3 ....equ1

Generally the equation for Time for flight against jet steam is mathematically given by

T=\frac{d}{s-s_1}

8.3=\frac{3930}{s-s_1}

s+s'=473.5......equ 2

Solving equ 1 and equ 2 simultaneously

s+s'=491.3

s+s'=473.5

Therefore

s=482moh

s'=9mph

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