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dybincka [34]
3 years ago
12

I need help with this hurry please !!!

Mathematics
2 answers:
Anna [14]3 years ago
6 0
I believe the correct answer is A

I hope this is correct and that it helps!
Tatiana [17]3 years ago
3 0

Answer:

I think its C

Step-by-step explanation:

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Marla helped her mother and father fold invitations and put them into envelopes. If Marla can fill 36 envelopes in 30 minutes, h
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Answer:

40 minutes

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12 envelopes every 10 minutes.

48 envelopes = 40 minutes

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3 years ago
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Circle as A diameter of 10 cm what is the circumference use 3.14 For £ and do not round your answer be sure to include the corre
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Step-by-step explanation:

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7 0
3 years ago
A backpack that normally sells for $39 Is on sale for 33% off. Find the amount of the discount and the sale price
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To get the price, you have to multiply the amount by the percent it would become.

100% of 39 is 39
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5 0
3 years ago
Which of the following functions gives the radius, r(v), of a conical artifact that is 20 inches tall as a function of its volum
nalin [4]
By calculus or elementary geometry, we know that the formula for the volume of a cone, given pi (the constant), its height h and its radius r is:
V=pi*h*r^2/3
Lets solve this relation for the radius:
3V=pi*h*r^2

\frac{3V}{pi*h} =r^2
\sqrt{\frac{3V}{pi*h}} = r
Now we have found a general formula that gives us the radius of a cone, given its volume and height. We need only substitute height (20in) and pi=3.14 to get the numerical equation: r=0.2185*\sqrt{V}
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Answer:

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