3 years ago

Translate the following: Two times the difference between a number and 7 is thirty four

Mathematics

1 answer:

11Alexandr11 [23.1K]3 years ago

4 0

Answer:

2(x-7) = 34

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If a car has tires with a diameter of 28 inches and is traveling at 55 mph, how fast are its tires spinning, in rpm^ prime s (re

Aleksandr-060686 [28]

Answer:

The tires are spinning at 660.49 revolutions per minute.

Step-by-step explanation:

The speed of the tires (v) is the same that the speed of the car, so to find the angular velocity of the tires we need to use the equation:

$\omega = \frac{v}{r}$

Where:

r: is the radius of the tires = d/2 = 28 inches/2 = 14 inches

$\omega = \frac{55 mph}{14 inches*\frac{1 mile}{63360 inches}} = 2.49 \cdot 10^{5} \frac{rad}{h}*\frac{1 h}{60 min}*\frac{1 rev}{2\pi rad} = 660.49 rpm$

Therefore, the tires are spinning at 660.49 revolutions per minute.

I hope it helps you!

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3 years ago

How much will the taxi driver earn if he takes one passenger 4.8 miles and another passenger 7.3 miles? Explain your process.

Bezzdna [24]

Answer:

35.225 I believe

Step-by-step explanation:

You can always check on Slader.

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3 years ago

A square with side lengths of 3x + 3. An equilateral triangle with side lengths of 5 x + 0.5. The perimeters of the square and t

aleksklad [387]

Answer:

1) 4(3x+3)=3(5x+0.5)

2) 3.5

3) 54 units

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3 years ago

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At the yard sale,3\4 of items for sale were toys and 5\6 of the items for sale were books Were there more toys of books for sale

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No, the books had more sales by 5/6 being bigger (Greater Than) than 3/4.

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3 years ago

Write and simplify an expression for the area of the rectangle. Write the SIMPLIFIED answer in the text box.

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Answer:

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rwsnuggdfvg

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3 years ago