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sattari [20]
3 years ago
13

A plane travels 990 miles to London and back. the trip there was with the wind.it took 10 hours.the trip back was into the wind.

the trip back took 22 hours.What is the speed of the plane in still air?What is The speed of the wind?
A.plane 98 mph,wind :21 mph
B.plane 72 mph,wind: 27 mph
C.plane 62 mph, wind: 43 mph
D.plane 30 mph,wind: 17 mph
Mathematics
2 answers:
tino4ka555 [31]3 years ago
7 0

Answer:

C.

Step-by-step explanation:

pretty positive! :) hope it helps you

kondaur [170]3 years ago
5 0

The answer is B.Plane 72 mph; Wind 27 mph

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How do you write an equation in slope intercept form with the points (5,19) (-9,5)
Vika [28.1K]

Answer:

y=x+6

Step-by step

m = y2 - y1

     -----------

       x2 - x1

5 - 19 = -14

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3 years ago
Given the points K(-2;5), L(1,3) and M(-5; 2p). Calculate the value
Advocard [28]

The product of the perpendicular lines is a negative one. Then the value of p will be negative 3.75.

<h3>What is coordinate geometry?</h3>

Coordinate geometry is the study of geometry using the points in space. Using this, it is possible to find the distance between the points, the dividing line is m:n ratio, finding the mid-point of the line, etc.

Given the points K(-2,5), L(1,3) and M(-5, 2p).

If KL is perpendicular to LM. Then we have

The slope of KL will be

KL = (1+2)/(3-5)

KL = -1.5

The slope of LM will be

LM = (1+6)/(3-2p)

LM = 7/(3-2p)

We know the product of the perpendicular lines is a negative one.

        KL x ML = -1

-1.5 x 7/(3-2p) = -1

              -10.5 = -3 + 2p

                 2p = -7.5

                   p = -3.75

More about the coordinate geometry link is given below.

brainly.com/question/1601567

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4 0
2 years ago
Write the rational number 0.3 in the form ab , where a and b are integers.
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Step-by-step explanation:

Given a decimal number 0.3

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