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alexira [117]
3 years ago
15

4 and 5 please help :)

Mathematics
2 answers:
Triss [41]3 years ago
4 0
Hello! I would love to help! :)

Number 4:

First, let’s find 45% of $37, because we need to see how much to mark up the ball. We can do this by multiplying 45% (0.45) by 37

0.45*37= 16.65

Now, add that number to the original price of the ball to find the retail price.

16.65+37=53.65

So, $53.65 is the answer for number four!

Number 5:

Since you know that the area the sprinkler is spraying is a circle, we can use the formula for areas of circles. That formula is
A=πr^2

Since we know the radius is 8 ft. (I think... the pic cuts it off a little), we can plug that in for r

A=π8^2

You will get
201.0619298297468


Now, round it down to the nearest 100th

201.06

So, 201.06 square feet is your answer for five.


Hope this helps! Comment if you have any questions!
lana [24]3 years ago
3 0

Answer:

16.65

Step-by-step explanation:

question 4 you have to add a zero to 45% so it will look like this. 0.45*37

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