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3 years ago

Enter the number in the boxes. plz help geometry

Mathematics

2 answers:

steposvetlana [31]3 years ago

7 0

Answer:

(-2,1)

Step-by-step explanation:

180 counterclockwise rotation rule:(-x, -y)

Hope this helps! :)

Correct me if I'm wrong

amm18123 years ago

3 0

Answer:

(-2,-1) WHen rotating it 180 counterclockwise it will be (-x,-y)

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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!

5 0

3 years ago

Solve for X could you explain the process of how to do this problem

PSYCHO15rus [73]

ANSWER

x＝24

Step-by-step explanation:

x＋180＋156＝360

180＋156＝336

x＋336＝360

x＝360-336

x＝24

8 0

3 years ago

-5f-2+8-3k use f=7 and k=8

yaroslaw [1]

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