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kvasek [131]
3 years ago
15

A plane flies over city A and reaches city B in 12 minutes, which is 120 miles away from it. Find the speed of the plane in mile

s per hour assuming the plane flew at a constant speed.
A. 300 mi./hr.
B. 450 mi./hr.
C. 600 mi./hr.
D. 680 mi./hr.

ANSWER TO MY OWN QUESTION:    C. 600 mi./hr.
Mathematics
2 answers:
KonstantinChe [14]3 years ago
4 0
The correct answer for the question that is being presented above is this one: "<span>C. 600 mi./hr. "</span>

Plane flies from City A to City B in 12 minutes. The distance is 120 miles.
12 minutes is just 0.2 of 60 minutes.
= 120 miles / 0.2 hour
= 600 miles / hour
Goryan [66]3 years ago
3 0

Answer:

600mph

Step-by-step explanation:

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Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
Matrix A = [6 -12 4 8]. What is matrix X if 1/2x=A?
Step2247 [10]

Answer:

X = \left[\begin{array}{cccc}12&-24&8&16\end{array}\right]

Step-by-step explanation:

A matrix is given by

A = \left[\begin{array}{cccc}6&-12&4&8\end{array}\right]

Now, we have to find the matrix X if \frac{1}{2} X = A

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Now, multiplication of a constant with a matrix means multiplication with that constant with all the terms of the matrix.

So, X = \left[\begin{array}{cccc}6 \times 2&-12 \times 2&4 \times 2&8 \times 2\end{array}\right]

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4 0
4 years ago
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Two cars leave a town at the same time heading in opposite directions. One car is traveling 12 mph faster than the other. After
Katena32 [7]
<span>Find the speed of each car.
Let a be the first car
Let b be the second car
=> a = x miles per hour
=> b = x + 12 miles per hour
=> 2 (x+ x + 12) = 232 miles per hour
=> 2x + 12 = 232
=> 2x + 12 = 116
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=> x = 52 (speed of Car A)
=> 52 + 12 = 64 miles per hour (speed of Car B)</span>



4 0
3 years ago
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