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AleksAgata [21]
3 years ago
8

PLEASE HELPPPP

Mathematics
2 answers:
Elena-2011 [213]3 years ago
7 0

Answer:

T=40-3H

Step-by-step explanation:

Troyanec [42]3 years ago
5 0
Answer= T=40-3H

Explanation:
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a student walks 8 steps east 6 steps northeast 9 steps north west what is her displacement? include magnitude and direction
kati45 [8]

The displacement is 18.03 steps, and the direction is 47.25°

<h3>How to get the displacement?</h3>

We know that displacement is the difference between the final position and the initial position.

We assume the initial position (0, 0). Let's define the positive x-axis as the east and the positive y-axis as the north.

First, the student moves 8 steps east, so she is at:

(0 + 8, 0)

Then she moves 6 steps northeast, so the new position is:

(6*cos(45°) + 8,  6*cos(45°))

Finally, she moves 9 steps due north, so we have:

(6*cos(45°) + 8,  6*cos(45°) + 9)

Then the final position is:

(12.24, 13.24)

So the displacement is:

D = (12.24, 13.24) - (0, 0) =  (12.24, 13.24)

The magnitude of the displacement is:

|D| = \sqrt{12.24^2 + 13.24^2} = 18.03

So the magnitude is 18.03 steps.

And the direction is given by the arctangent of the quotient between the y-component and the x-component:

\theta = Arctg(13.24/12.24) = 47.25 \°

If you want to learn more about displacements:

brainly.com/question/4931057

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8 0
2 years ago
Putting soil is sold in bags that contain 1/2 cubic foot of soil. Estimate how many bags Rylee should buy.
kap26 [50]

Answer:

Ok. So, I can't see the image. Buttttt, depending on how many cubic feet she wants. If she wanted 5.5 cubic feet of soil, she would buy 10 bags of soil. Each showing 1/2 of a cubic foot. Use your fingers to help saying, " Half, One, One and a half, two, two and a half...." So on and so forth.

Step-by-step explanation:

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s2008m [1.1K]

Answer is in the file below

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julsineya [31]

Answer:

Her multiplication

Step-by-step explanation:

Not really an aexplanation

8 0
3 years ago
6+4m-1=21<br><br> PLEASE HELP! I’m stuck on this question :/
Airida [17]

Answer:

m=4

best of luck!

Step-by-step explanation:

6 0
3 years ago
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