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adoni [48]
2 years ago
10

What is the solution of the system.. explain what it means in the solution

Mathematics
1 answer:
UNO [17]2 years ago
5 0

Answer:

The solution is (4,250)

Step-by-step explanation:

This means that when a member of either gym (A or B) signs up for a four-month membership, they pay the same amount - $250.  Hope this helps :)

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Jillian flew to New Zealand for summer vacation. While she was there, she rode her bike 1/3 of the time. She spent 1/4 of the re
Elis [28]
If the time she rode her bike is 24, then 24*3 would be the Whole time she was there. She was there for a total of 72 hours.
Subtract 24 from 72 because it's 1/3 and you need the other time.
You get 48.
You need to find 1/4 of 48, so you divide it by 4.
48/4 = 12.
She rides the train for 12 hours. This is 1/2 of a day, so your answer is:

She rides the train for 1/2 of a day.
7 0
3 years ago
I need help I will give brainliest
Klio2033 [76]

Answer:

4.4 × 10 ^− 6

Step-by-step explanation:

Brainliest please :)?

4 0
3 years ago
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In the library on a university campus, there is a sign in the elevator that indicates a limit of 16 persons. Furthermore, there
Vedmedyk [2.9K]

Answer:

a) 151lb.

b) 6.25 lb

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, a large sample size can be approximated to a normal distribution with mean \mu and standard deviation \frac{\sigma}{\sqrt{n}}.

In this problem, we have that:

\mu = 151, \sigma = 25, n = 16

So

a) The expected value of the sample mean of the weights is 151 lb.

(b) What is the standard deviation of the sampling distribution of the sample mean weight?

This is s = \frac{\sigma}{\sqrt{n}} = \frac{25}{\sqrt{16}} = 6.25

8 0
3 years ago
Complete the following two-column proof.<br> Given: 5x - 2 = -12<br> Prove: x = -2
kolezko [41]

Answer:

I really don't know! Hope you have a good grade :)

Step-by-step explanation:

5 0
3 years ago
9.5 less than a number n equals 27
LuckyWell [14K]

Answer:

convert 9.5

n-9=27

Step-by-step explanation:

I converted it for you.

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2 years ago
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