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crimeas [40]
3 years ago
7

A circle with center at (-2,2) passes through (7,2). Find the circumference and area of the circle in terms of p.

Mathematics
1 answer:
____ [38]3 years ago
8 0

Answer:

18pi units is the circumference

81pi units² is the area

Step-by-step explanation:

Radius² = (-2-7)² + (2-2)² = 9²

Radius = 9

Circumference = 2pi×r

= 18pi

Area = pi × r²

= 81pi

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Answer:

The answer is {36}

Step-by-step explanation:

I took the quiz hope this helps

4 0
2 years ago
Jack plans on using network Atms about 4 times per month. What would be jacks total estimated annual fees for a checking account
Inga [223]

Answer: $104

Step-by-step explanation:

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7 0
2 years ago
Lin rode a bike 20 miles in 150 minutes. If she rode at a constant speed, how far did she ride in 15 minutes? How long did it ta
coldgirl [10]

Hey there! :)

Answer:

First part: 2 miles.

Second part: 45 minutes

Third part: 8 mph.

Step-by-step explanation:

We can divide this question into 3 parts.

Begin by solving for the distance traveled after 15 minutes by creating a ratio:

\frac{20 mi}{150min}  = \frac{x}{15 min}

Cross multiply:

20 · 15 = 150 · x

300 = 150x

300/150 = 150x/150

x = 2 miles.

2nd part: How long it took her to ride 6 miles.

Set up another ratio similar to the one used before:

\frac{20 mi}{150min}  = \frac{6mi}{x min}

Cross multiply:

20 · x = 6 · 150

20x = 900

20x/20 = 900/20

x = 45 minutes.

3rd part:

For this part, we will need to convert from minutes to hours.

\frac{20 mi}{150 min}* \frac{60 min}{1 hr} = \frac{1200mi}{150hr}   = 8 mi/h

Therefore, her speed is 8 mph.

5 0
2 years ago
A satellite moves at a speed of 27,950 kilometers per hour. About how much faster is one satellite than the other? Explain how t
Marianna [84]
27,950 k * X Kilometers
_____________________________ All you have to do now is cross multiply
1 hr 1hr
6 0
3 years ago
Which number does 9 have a value that is 1/10 times as small as it’s value in 891
Arisa [49]

Answer:

9

Step-by-step explanation:

H T U

8. 9. 1

9 tens

1/10×10= 1

1 is a unit

I believe d answer is 9

pls like and follow

4 0
2 years ago
Read 2 more answers
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