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Anettt [7]
4 years ago
8

A wheel make 192 revolutions per minutes. how many revolutions does it make per second

Mathematics
1 answer:
valina [46]4 years ago
3 0
\frac{192 revs}{min} *  \frac{1 min}{60 secs}

The minutes cancel out leaving you with:

\frac{192 revs}{60 secs} = 3.2 revs per second.

The wheel does 3.2 revolutions per second. 
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In parallelogram EFGH, the measure of angle G is (4x + 16)° and the measure of angle H is (2x − 16)°. What is the measure of ang
asambeis [7]

Answer:

m∠H = 44°

Step-by-step explanation:

Consecutive angles of a parallelogram are supplementary.  So,

∠H and ∠G are supplementary

4x + 16 + 2x - 16 = 180

6x = 180

x = 30

m∠H = 2x - 16 = 2(30) - 16 = 60 - 16 = 44°

4 0
3 years ago
The height of a ball dropped from the top of a 450-foot tall building can be described by the expression
BaLLatris [955]

Answer:

The answer is 386 feet.

Step-by-step explanation:

This equation simply asks to plug in a value that gives you the final value of the height. 450 is the initial height, and r (or l) is referred to as the amount of seconds after the item is dropped. 16 is the constant value of feet that the ball drops within one second.

Therefore, by substituting 4 for r (or l) and multiplying it by 16, you will receive 64 feet in 4 seconds. Finally, you need to subtract this from 450 feet, giving you a final answer of 386 feet.

8 0
3 years ago
What is the Greatest common factor of 18x^2 and 36x
loris [4]

For this case we have that by definition, the Greatest Common Factor or GFC of two or more numbers, is the largest number that divides them without leaving residue.

So:

We look for the factors of 18 and 36:

18: 1,2,3,6,9,18

36: 1, 2,3,4, 6,9,18 ...

Thus, the GFC of both numbers is 18.

Then, the GFC of18x ^ 2 and 36x is:

18x

Answer:

18x

6 0
3 years ago
There are moles in 1.26 × 1024 particles.
EastWind [94]

Answer:

1.26 x 10^(24)

Step-by-step explanation:

hope this helped

6 0
3 years ago
Rewrite the expression by collecting like terms.<br> 1/2k - 3/8k
pychu [463]

Answer:

1/8k

Step-by-step explanation:

1/2k= 4/8k

4/8k-3/8k=1/8k

4 0
3 years ago
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