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3 years ago

6

Given Sine (t) = StartFraction 7 Over 25 EndFraction for StartFraction pi Over 2 EndFraction less-than t less-than pi, what is C

osine (t)?

1 answer:

lys-0071 [83]3 years ago

6 0

Answer:

-24/25

Step-by-step explanation:

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3 quarters and 3 pennies, or 7 dimes 1 nickel and 3 pennies

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3 years ago

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Can you please show work

stepan [7]

Answer:

A) 3.44 ft²

Step-by-step explanation:

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16 - 12.56 = 3.44 ft² left

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3 years ago

Find the mean. Round to the nearest tenth if necessary.

kondor19780726 [428]

Answer:

27

Step-by-step explanation:

The actual mean is 27.008333333333, round that as you will.

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2 years ago

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A car traveled 88 km in 1 hour, 90 km in the next 2 hours, and then 76 km in 1 hour before reaching its destination. what was th

luda_lava [24]

The formula for Average speed = $\frac{Total Distance}{Total Time}$

The car travels 80 km in 1 hour.

Then the car travels 90 km in 2 hours.

And finally the car travels 76 km in 1 hour

So the total distance covered by the car = 80 + 90 + 76 = 246 km

The total time taken to cover this distance = 1 + 2 + 1 = 4 hours.

So average speed = $\frac{246}{4}= 61.5$

The average speed of the car is 61.5 km / h

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3 years ago