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Damm [24]
2 years ago
11

Can y’all help me on question 14?!

Mathematics
1 answer:
ExtremeBDS [4]2 years ago
4 0

Answer:

The answer is 3.2

Step-by-step explanation:

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Alisiya [41]

the roots of the equation is option D.

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2 years ago
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An engineer is trying to design a runway for an airport. He knows that airplanes have the ability to accelerate at 3.3 m/s ^ 2 a
chubhunter [2.5K]

Answer:

The proposed 1600 meters runway length is not long enough

Step-by-step explanation:

The given parameters are;

The amount by which a plane can accelerate = 3.3 m/s²

The time it takes for a plane to lift off the ground = 35 seconds

The length of the runway on the blueprint = 1,600 meters

Therefore, from the equation of motion for distance traveled, s, acceleration, a, and time taken, t, we have;

s = u·t + 1/2·a·t²

Where;

u = The initial velocity

t = 35 seconds

a = 3.3 m/s²

Given that all planes will start motion from rest, we have;

u = 0 m/s

Therefore;

s = 0 × 35 + 1/2 × 3.3 × 35² = 2021.25 meters

Which indicates that the length of the runway a plane would need for take off should be at least 2021.25 meters long, therefore, the blueprint's 1600 meters runway length is not long enough.

7 0
3 years ago
Rx+h=sx-k solve for x
timama [110]
Rx + h = sx - k        Take all with x to the LHS

Rx - sx = -k - h

x(R - s) = - k -h

x =  (-k - h) / (R - s).  Multiply top and bottom by -1.

x =  (k + h) / (s - R)
6 0
3 years ago
-4(x+5)=-4x-30 solution
luda_lava [24]

Answer:

no solution

Step-by-step explanation:

-4(x+5)=-4x-30

-4x-20=-4x+30

no solution

x cancel

7 0
2 years ago
The lengths, in centimeters, of nine earthworms are shown below. 3, 4, 5, 5, 6, 7, 8, 9, 10 What is the median of the data?
mel-nik [20]
The median of the problem is 6 because it is in the middle of the number set of the earthworm sizes.
6 0
3 years ago
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