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2 years ago

Are 2/7 and 6/21 equivalent ratios

Mathematics

2 answers:

muminat2 years ago

8 0

Yes because if you multiply 2/7 by 3 it equals to 6/21

ra1l [238]2 years ago

5 0

6 / 2 = 3
21 / 7 = 3

Yes, 2/7 and 6/21 are equivalent ratios. The second number is simply the first number tripled.

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4 0

3 years ago

Read 2 more answers

In the triangle below, 4/5 represents which ratio?

ASHA 777 [7]

Answer:
sin (C)

Explanation:
In a right-angled triangle, special trig functions can be applied. These functions are as follows:
sin (theta) = $\frac{opposite}{hypotenuse}$

cos (theta) = $\frac{adjacent}{hypotenuse}$

tan (theta) = $\frac{opposite}{adjacent}$ 

Now, let's check the triangle we have:
We have two options:
First option:
5 is the hypotenuse of the triangle
4 is the side adjacent to angle B
Therefore, we can apply the cos function:
cos (B) = $\frac{4}{5}$ 

Second option:
5 is the hypotenuse of the triangle
4 is the side opposite to angle C
Therefore, we can apply the sin function:
sin (C) = $\frac{4}{5}$

Among the two options, the second one is the one found in the choices. Therefore, it will be the correct one.

Hope this helps :)

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3 years ago

Read 2 more answers