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Diano4ka-milaya [45]
2 years ago
12

What is the equation of the circle centered at the origin with a radius of 7.5 PLEASE HELP!

Mathematics
1 answer:
Elena-2011 [213]2 years ago
5 0

Answer: Are you talking about Circumference?

If it is then the Formula is 2πr or the easy way ... πd

1st use of formula: you would multiply 7.5 twice then multiplying by Pi or 3.14

2nd use of formula: You would get the diameter then multiply it by Pi or 3.14

Hope this helps :)

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Please help!!!!!!!!!!
Ostrovityanka [42]

Using the together rate, it is found that it will take 18 hours for Erick to build the garden box himself.

<h3>What is the together rate?</h3>

The together rate is given by the sum of each separate rate.

In this problem, the rates are given as follows:

  • Eric's: 1/x.
  • Drew's: 2/x.
  • Together: 1/6.

Hence:

\frac{1}{x} + \frac{2}{x} = \frac{1}{6}

\frac{3}{x} = \frac{1}{6}

x = 18.

Hence, it will take 18 hours for Erick to build the garden box himself.

More can be learned about the together rate at brainly.com/question/25159431

#SPJ1

8 0
2 years ago
One day at 3:00 AM the temperature was -22 in Kodiak Alaska. At 11:00 AM the temperature was 42 degrees. What was the average ch
dolphi86 [110]
It is 8 hours so you would do 22+42 and get 64. You would then divide 64 by 8 and get 8 degrees per hour.
8 0
3 years ago
The principal of a middle school claims that test scores of the seventh-graders at his school vary less than the test scores of
AveGali [126]

Answer:

There is sufficient evidence to support the claim that the standard deviation is less than 14.7.

Step-by-step explanation:

From the question we are told that that the null hypothesis is

       H_o  :  \sigma < 14.7

Now given from the question that this null hypothesis was rejected, it mean, in non technical term that there is sufficient evidence to support the claim that the standard deviation is less than 14.7.

3 0
3 years ago
Select the letter of the correct answer. Suppose Brandon played video games for 30 hours last week. If 5/6 of the hours were spe
Lady bird [3.3K]

Answer:

I think it would be 25 hours spent playing Mario cart

3 0
3 years ago
What is the measure of angle x in the figure shown?
gulaghasi [49]

Answer:

57

Step-by-step explanation:

180-123=57

that line the angle is on is a straight line and a straight line is 180 degrees

3 0
3 years ago
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