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Elenna [48]
3 years ago
9

Given a circle with a radius of 2/3 , which equation expresses π as the ratio of the circumference of a circle to its diameter?

Mathematics
2 answers:
yaroslaw [1]3 years ago
8 0

Answer:

the answer is c. 3C /4  = π

Step-by-step explanation:

Remember, d = 2r.

C = 2πr

C = 2 (2 /3 )π

C =  4 /3 π

3C /4 = π

Alex_Xolod [135]3 years ago
4 0

is there any answer choices

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I tried 14,29

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7 0
4 years ago
(Discrete Mathematics) If m and n are nonzero integers, show that (2m+3n)/5mn is a rational number.
Aloiza [94]

Answer:

\frac{(2m+3n)}{5mn}=\frac{2}{5n}+\frac{3}{5m} is a rational number for any m and n; nonzero integers.

Step-by-step explanation:

We have been given that 'm' and 'n' are nonzero integers. We are asked to show that \frac{(2m+3n)}{5mn} is a rational number.

We can rewrite our given number as:

\frac{2m}{5mn}+\frac{3n}{5mn}

Cancelling out common terms:

\frac{2}{5n}+\frac{3}{5m}

Since 'm' and 'n' are nonzero integers, so each part will be a rational number.

We know that sum of two rational numbers is always rational, therefore, our given number is a rational number.

3 0
3 years ago
A group of 485 people takes a canoe trip. They fill up all available canoes that each hld 3 people with 273 people. The rest of
olga2289 [7]

Number of people in the canoes which hold 2 people =

485 - 273 = 212 therefore there are 212 / 2 = 106 canoes holding 2 people.

The number of canoes holding 3 people = 273/3 = 91

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Hope this helps

7 0
3 years ago
A globe of the moon has a radius of 13 centimeters. Find the volume of the globe. Round your answer to the nearest whole number.
jekas [21]

Answer:

9203 cm³

Step-by-step explanation:

A globe of the moon has a radius of 13 centimeters. Find the volume of the globe. Round your answer to the nearest whole number.

The shape of the moon is spherical

Hence:

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r = radius = 13 cm

= 4/3 × π × 13³

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Approximately to the nearest whole number = 9203 cm³

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3 0
3 years ago
I need help one question 10 A to E
Sidana [21]

Answer:

Answers are below

Step-by-step explanation:

10a) Find how many multiples of 3 there are       4/12 = 1/3

10b) Find how many factors of 12 there are         6/12 = 1/2

10c) Find how many prime numbers there are    5/12

10d)                                                                         3/12 = 1/4

10e) Find how many numbers are less than 12   11/12

5 0
3 years ago
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