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Phantasy [73]
2 years ago
6

Circumference of a circle

Mathematics
1 answer:
DIA [1.3K]2 years ago
8 0

Answer:

62.8ft

Step-by-step explanation:

The formula to get the circumference is π × D (π × diameter) You need to multiply the value of π (3.14) by the diameter of this circle (20).

20×3.14= 62.8ft

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Zack bought a coat for $69.78. He paid with a $100 bill and received $26.73 in change.How Much was the sales tax? Show your work
Sindrei [870]
69.78+26.73-100 just use your calculator and you will out and that a hint
7 0
3 years ago
Helppppppp plssssssssss no unhelpful answer or I will delete
lara31 [8.8K]

Answer:

80 sq.in

Step-by-step explanation:

One square's side = 4in

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Hope that helps!

3 0
2 years ago
Read 2 more answers
Lorena is designing a rectangular patio in her garden. She has enough tiles to cover 324 square feet. She wants the length of th
IceJOKER [234]

Using the area of a rectangle, it is found that her patio should have a width of 12 feet and a length of 27 feet.

<h3>What is the area of a rectangle?</h3>

The area of a rectangle of length l and width w is given by:

A = lw.

In this problem:

  • She has enough tiles to cover 324 square feet, hence A = 324.
  • She wants the length of the patio to be 15 feet longer than the width, hence l = 15 + w.

Thus:

324 = w(15 + w)

w^2 + 15w - 324 = 0

w = -27 or w = 12.

We take the positive value, hence l = 15 + w = 15 + 12 = 27 feet.

The dimensions should be a width of 12 feet and a length of 27 feet.

You can learn more about the area of a rectangle at brainly.com/question/10489198

7 0
2 years ago
Sara has 7 cups how many does she have left over after drinking 8 cups
Lady bird [3.3K]

Answer:

-1

Step-by-step explanation:

because I said so

that's why

7 0
3 years ago
2. Ms. De Los Santos bought 5 3/7 gallons of ice cream for the 6th grade Wakanda Day celebration. If each scholar is served 1/16
nikdorinn [45]
So we convert both to improper fractions.
38/7 and 1/16
Now we make them the same denominator
608/112 and 7/112
Now we divide 608 by 7
Maximum amount which can be given is 85 scholars.
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8 0
2 years ago
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