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Anestetic [448]
4 years ago
10

What is the area of a circle with radius 5 cm

Mathematics
2 answers:
bija089 [108]4 years ago
6 0

Answer:

A≈78.54cm²

Step-by-step explanation:

aalyn [17]4 years ago
5 0

Answer:

78.55cm^2

Step-by-step explanation:

Area of a circle is given as πr^2

That's is ,

A = πr^2

Let's use π = 3.143

r = 5cm

A= 3.142 * 5^2

A= 3.142 * 25

A = 78.55 cm^2

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There are 60 girls and 90 boys in the sixth grade at a middle school. What percent of the sixth graders at this middle school ar
KonstantinChe [14]

Answer:

60%

Step-by-step explanation:

First, find the total number of sixth graders

To do this, add the number of girls and boys together

girls+boys

There are 60 girls and 90 boys

60+90

150

Now, find the percent of sixth graders that are boys

To do this, divide the number of boys by the total number of sixth graders

boys/total sixth graders (part/whole)

There are 90 boys, and 150 total sixth graders

90/150

0.6

Convert to a percent. Multiply by 100 or move the decimal place two spots to the right

0.6*100=60

0.6-->6.0-->60.

So, 60% are boys

3 0
3 years ago
Solve the inequalities and show your work:
stepan [7]

Answer:

x<4

Step-by-step explanation:

x/2-3<-1

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x/2-3+3<-1+3

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Multiply each side by 2

x/2*2 <2*2

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5 0
3 years ago
Which phrase best defines a trapezoid?
balu736 [363]
B they only have one pair of parallel sides. The top and bottom
3 0
3 years ago
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4 0
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1/6 x 4 =<br> What’s the answer
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4/6 or 2/3...............

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