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stellarik [79]
2 years ago
14

HELP PLEASE

Mathematics
1 answer:
alexandr1967 [171]2 years ago
8 0

Answer:

I attached the image that has all of the elements. If I missed something, please let me know and I will fix it.

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1. Lenny cleans 75 cars in 5 days. At this rate, how many days will it take him to wash 90 cars? *please I need some help
Ahat [919]
Answer: 6 days

Explanation: If he washes 75 cars in 5 days; and you need to find how many days it takes to wash 90 you do 75 divided by 5 which is 15; so he washes 15 cars in a day, then do 90 divided by 15 which is 6 days
8 0
3 years ago
Determine whether GHI is a right triangle for the given vertices G(2,7) H(3,6), I(-4,-1)
kotegsom [21]
No it's an acute triangle.
5 0
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 1ml of water fills 1 cubic centimeter of space, how many ml of water are needed to fill each tank?
KengaRu [80]

Answer:

Tank Volume/1 cubic centimeter.

Step-by-step explanation:

We dont know how big the tank is.

3 0
1 year ago
What is the area of a semi-circle with a diameter of 6cm?
ANEK [815]

Formula for the area of a circle: A = pi * r^2

A semi-circle is half of a circle. So, we will need to divide the area of the total circle by 2 to find the area of a semi-circle.

r = d / 2

r = 6 / 2 = 3

A = pi * 9

A = 9pi

Semi-circle:

A = 9pi / 2

A = 4.5 pi cm^2 or 14.14 cm^2

Hope this helps!! :)

3 0
3 years ago
Read 2 more answers
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