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Anestetic [448]
2 years ago
5

A hat's original price was $50. It is on sale for 40%0ff. How much does it cost?

Mathematics
2 answers:
yKpoI14uk [10]2 years ago
3 0

Answer:

30

Step-by-step explanation:

40/100 x 50= 20

50-20=30

Mamont248 [21]2 years ago
3 0

Answer:

30.00

Step-by-step explanation:

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A. 4,680

Step-by-step explanation:

312*15=4,680

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2 years ago
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27 of the pets are dogs.

Step-by-step explanation:

Real easy way to do this, treat 45 (the total) as 100. So, do 45/100 then multiply the result of that by 60, and you end up with 27.

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3 years ago
When an object is thrown upwards with a speed of 64 ft/sec, its height above the ground is given by the function h(t)=−16t2+64t
Svet_ta [14]

Answer:

The object will reach its highest point 0.5 seconds after it has been thrown.

Step-by-step explanation:

The object reaches its maximum height when velocity is equal to zero, the velocity is the derivative of function height. That is:

v(t) = \frac{d}{dt}h(t) (1)

Where v(t) is the velocity of the object at time t, in feet per seconds.

If we know that h(t) =-16\cdot t^{2}+64\cdot t and v(t) = 0\,\frac{ft}{s}, then the time when object reaches its highest point is:

v(t) = -32\cdot t+64

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t = 0.5\,s

The object will reach its highest point 0.5 seconds after it has been thrown.

3 0
2 years ago
2) Rosa is making a board game that is 16 inches by 24 inches. She wants to use square tiles. What
solniwko [45]

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Step-by-step explanation:

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