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ale4655 [162]
2 years ago
5

John is going to back to that is 18 inches deep he notices that it takes two minutes to fill the bathtub with 3 inches of water

he estimates it will take 10 more minutes for the water to reach the top of the tub if he continues at the same rate is he correct
Mathematics
1 answer:
algol132 years ago
4 0
Yes,

Every 2 minutes = 3 inches of water, so that means every minute = 1.5 inches of water.

So in 10 minutes:

10*(1.5) = 15 inches of water.

So in 10 minutes the tub will fill an additional 15 inches of water which is exactly how much you need to fill up the remaining tub (3+15 = 18)
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A grey whale’s heart beats 24 times in 3 min. How many times<br> does it beat in a day?
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In i hour it would be
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Hope this helps!!

~Summer
7 0
2 years ago
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Answer the following for each letter true or false.
Fittoniya [83]
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2 years ago
A random sample of n = 16 professors from a university has been selected; salaries have been plotted on the following Q-Q plot.
Semenov [28]

Answer:

The objective of the confidence interval is to give a range in which the real mean of the population is placed, with a degree of confidence given by the level of significance.

The conclusion we can make is that there is 95% of probability that the mean of the population (professor's average salary) is within $99,881 and $171,172.

Step-by-step explanation:

This is a case in which, from a sample os size n=16, a confidence interval is constructed.

The objective of the confidence interval is to give a range in which the real mean of the population is placed, with a degree of confidence given by the level of significance. In this case, the probability that the real mean is within the interval is 95%.

5 0
2 years ago
If f(x)=-x+8 and g(x)=x^4,what is (g•f)(2)?
wariber [46]
Answer:

It can be written as <span>f<span>(−8)</span></span> or <span>f<span>(3<span>(−2)</span>−2)</span></span>

Explanation:

You would substitute <span>−2</span> for the x in <span>3x−2</span> and then insert <span>3<span>(−2)</span>−2</span> for the g. You would end up with <span>f<span>(3<span>(−2)</span>−2)</span></span>, which can also be simplified to <span>f<span>(−8<span>)</span></span></span>

5 0
3 years ago
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