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grandymaker [24]
3 years ago
15

Please help with 14 and 15

Mathematics
1 answer:
o-na [289]3 years ago
4 0

Answer: 14. The three consecutive numbers are 12, 14 and 16.

15. An example of equation whose solution is 5 is given below

2X — 20 = X — 15

Step-by-step explanation: please see attachment for explanation.

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A) about 14 square units

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Answer:

1,809.98 lb*m/s^2

Step-by-step explanation:

First, we want to know how much weight of the boulder is projected along the path in which the boulder can move.

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W = 322lb*9.8 m/s^2 = (3,155.6 lb*m/s^2)

This weight has a direction that is vertical, pointing downwards.

Now, we know that the angle of the hill is 35°

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(A rough sketch of this situation can be seen in the image below)

Then we need to project the weight over this direction, and that will be given by:

P = W*cos(90° - 35°) = (3,155.6 lb*m/s^2)*cos(55°) = 1,809.98 lb*m/s^2

This is the force that Samuel needs to exert on the boulder if he wants the boulder to not roll down.

3 0
3 years ago
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