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3 years ago

Mathematical

Mathematics

1 answer:

Leno4ka [110]3 years ago

7 0

Answer:

3/5 you’ll need to divide that section into 5- 3/5th are shaded

6/10 divide that section into 10 6/10 are shaded

Step-by-step explanation:

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(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 circular arena is 120 meters across. What is the circumference of the arena to the nearest meter ?

SCORPION-xisa [38]

Answer:

120π

Step-by-step explanation:

diameter = 120

radius = 60

Cirumference= 2πr

2 x π x 60 = 120π

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4 years ago

What is 5/8 as a decimal?

Damm [24]

Answer:.625

Step-by-step explanation:

Divide 5 by 8

8 0

3 years ago

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The ratio of boys to girls in Mr. Baker’s social studies class is 2 to 3. If there are 30 total students in the class, how many

nadya68 [22]

A.6 the answer are A.6

4 0

3 years ago

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Can y’all help me please hurry!!

antoniya [11.8K]

Answer:

A. 200

Step-by-step explanation:

We are looking for the y-value when there is no decrease in price, so when x=0.

At x=0, y=200.

So the answer is A. 200!

8 0

3 years ago