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Step2247 [10]
3 years ago
5

Solves a systems of linear equations in two variables.

Mathematics
1 answer:
AURORKA [14]3 years ago
8 0
1) (2,-1)
2) (-2,-1)
3)(.156,-2.22)
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WATER TOWER One of the largest sphere water towers in the country is located in Edmond, Oklahoma. It is 218 feet tall and holds
Fudgin [204]

Answer: The radius of the new water tower is approximately 21 ft^3

Step-by-step explanation:

  So we know the volume  of the Water Tower is 66840 ft^3   and the new one's volume will hold 3/5 as much.  so you will multiply  66840 by 3/5 to find the volume of the new one.

66840 * 3/5 = 40104   so the new water tower will hold 40104 cubic feet of water.

Now to find the radius we will use the formula  v= 4/3\pir^3

40104 =  4/3 * \pi* r^3

 40104=  4.1887* r^3

r= 21  

       

5 0
3 years ago
An automobile insurance company divides customers into three categories: good risks, medium risks, and poor risks. Assume that o
Leokris [45]

Answer:

0.60

Step-by-step explanation:

Probability that the customer is not a poor risk = 1 - probability that the customer is a poor risk

Firstly, let’s calculate the probability of being a poor risk.

From the given data the number of poor risks = 14229-7362-1190 = 5677

So the probability of being a poor risk = 5677/14229 = 0.399

Thus, the probability that the customer is not a poor risk = 1-0.399 = 0.601 which to 2 decimal places = 0.60

6 0
3 years ago
You are starting your own business and decided to take out a simple interest loan for 10,000 from your local bank. The interest
MAVERICK [17]
I think it’s 51.6% because 8.3% interest at the rate of 6 years is just 8.3 multiplied by 6 which is 51.6
7 0
2 years ago
Sandys friends ate 0, 2, 3, 4, 6, 6, and 7 pretzels. Sandy says the mean of the data is 4. Is Sandy correct?
diamong [38]
If sandys friends ate 0, 2, 3, 4, 6, 6, and 7 pretzels, the mean of the data would be 4. So yes sandy is correct.
7 0
3 years ago
Read 2 more answers
PLEASE HELP I BEG YOU I REALLY NEED HELP FEW QUESTIONS :(
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Number 2 for question 1 and number 4 for question 2
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3 years ago
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