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mariarad [96]
3 years ago
13

I need help with this question, thanks!

Mathematics
1 answer:
Leto [7]3 years ago
4 0

Answer:

Charlie would take 72 minutes to run 9 laps

Step-by-step explanation:

To get 9, multiple 2 by 4.5 which will equal 9

Then you multiply 16 by 4.5 which is 72

2 laps = 16 minutes so that's why we used those numbers for an example

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The area of a rectangular concrete patio is 70 square meters. the perimeter is 34 meters. what are the dimensions of the patio?
Finger [1]
A = L * W
A = 70

70 = L * W

P = 2(L + W)
P = 34

34 = 2(L + W)
34/2 = L + W
17 = L + W
17 - W = L

70 = L * W
L = 17 - W

70 = W(17 - W)
70 = -W^2 + 17W
W^2 - 17W + 70 = 0
(W - 10)(W - 7) = 0

W - 10 = 0        L = 17 - 10
W = 10              L = 7

W - 7 = 0          L = 17 - 7
W = 7               L = 10

so either the width is 10 meters and the length is 7 meters OR the width is 7 meters and the length is 10 meters




5 0
3 years ago
Say you wanted to give someone 35000 berries, but every time you give someone berries, it takes away 30%. How could you calculat
VladimirAG [237]

Answer:

What I understand is that I need to give someone an exact number so that when 30% is taken, they keep exactly 35,000

To make the statement above true, we would need to divide 35,000 by 7 since the answer would be 10% of the number we need. Once we do this we get 5000 which is 10% now we multiply 5000 by 10 to get 100% and we get 50.000 once we give this amount to the person and 30% is taken away they are left with 35,000

5 0
2 years ago
What is the value of y?
777dan777 [17]

Answer:

i need a quetion to be able to answer

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Christian and Megan want to purchase a new car. The car has a base price of $16,700, options totaling $1,095, and a destination
Leni [432]

Answer:

it's B

Step-by-step explanation:

because I took the test

5 0
3 years ago
1. 1/8y &lt; 34<br><br> Please solve and write the expression and steps down please
Sindrei [870]

Answer:

y<272

Step-by-step explanation:

Step 1: Multiply both sides by 8.

8*(1/8y)<(8)*(34)

y<272

6 0
2 years ago
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