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Alex17521 [72]
3 years ago
13

The radius of a circle is 4.9 in. Find the circumference to the nearest tenth.

Mathematics
2 answers:
Archy [21]3 years ago
5 0

Answer:

C = 30.8

Step-by-step explanation:

Circumference of a Circle:

C = 2πr

C = 2(3.14)(4.9)

C = 30.772

C = 30.8

alex41 [277]3 years ago
4 0
Circumference = 2 * pi * r
2 * pi * 4.9 = 30.78761
Round to nearest tenth
Solution: 30.8 in.
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Step-by-step explanation:

23 students × 14 homework

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The teacher will have to grade 322 problems

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Without multiplying, determine the sign of the product (356,864)(−194,758)
Anon25 [30]

Answer:

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Step-by-step explanation:

7 0
3 years ago
A cylinder has radius 2.5 cm and lateral area 20 pi cm^2. What is the surface area of the cylinder in terms of pi?
Novosadov [1.4K]
This is the concept of areas of solid materials; the surface area of the cylinder whose radius is 2.5 cm and lateral area is 20 pi cm^2 will be: Surface area of cylinder is given by:
SA=(area of cyclic sides)+(lateral area)
SA=2πr^2+πrl
Area of the cyclic sides will be:
Area=2πr^2
=2*π*2.5^2
=12.5π cm^2
The lateral area is given by:
Area=20π cm^2
Therefore the surface area of cylinder will be:
SA=(12.5π+20π) cm^2
SA=32.5π cm^2
The answer is 32.5π cm^2

4 0
3 years ago
A group of friends went to lunch, and their bill was $132.50. An 18% gratuity was added to the bill. What was the total amount o
Serggg [28]

Answer:

$156.35

Step-by-step explanation:

we know that

A group of friends went to lunch, and their bill was $132.50

In this problem

$132.50 represent the 100%

100%+18%=118%

so

using proportion

Find out the total amount that represent 118%

Let

x ----> the total amount of the bill

\frac{\$132.50}{100\%}=\frac{x}{118\%}\\\\x=132.50(118)/100\\\\x=\$156.35

7 0
3 years ago
Please help due today;/
gavmur [86]
B my dud yayayyayayyayayyayay
5 0
3 years ago
Read 2 more answers
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