3 years ago

Introduction Sort each number into the correct category

Mathematics

1 answer:

Lorico [155]3 years ago

3 0

Answer:

Prime: 11, 13, 29.

Composite: 21, 15, 16.

Step-by-step explanation:

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Vilka [71]

I think the answer is 2,400

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What is the measure of DG?

Masja [62]

Answer:

170

Step-by-step explanation:

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Ben has b dollars. Cam has 7 fewer dollars than ben. How many dollars does cam have?

aleksley [76]

Answer:

b - 7 = the amount of money Cam has

Step-by-step explanation:

We don't know how much money ben has so we have to subtract 7 from <em>b</em> to find the amount of money Cam has.

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3 years ago

A weight lifter does 9.8 J of work while lifting a weight straight upward through a distance of 0.12m. What was the force exerte

gulaghasi [49]

Answer:

The force exerted by the weight lifter is 81.7 N.

Step-by-step explanation:

We can find the force exerted by the weight lifter using the definition of work:

$W = F*d$ (1)

Where:

F: is the force

d: is the displacement

We have W = 9.8 J of work and d = 0.12 m, so by solving equation (1) for F we have:

$F = \frac{W}{d} = \frac{9.8 J}{0.12 m} = 81.7 N$

Therefore, the force exerted by the weight lifter is 81.7 N.

I hope it helps you!

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