Our trick here is to think that a fraction in %

land is the same as the correspondent in "number" land; so we can write:
100%
90%
= 120x
Where X is the correspondent of 90% in numbers.
Rearranging: x = 120⋅
90% 100% =108

6 0

3 years ago

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The equation of a circle is (x−2)^2+(y−16)^2=169 . What is the circle's radius?

Svetllana [295]

Hello!

The equation for a circle is

$(x-h)^{2} +(y-k)^{2} = r^{2}$

r is the radius

To find the radius we take the square root of the number in the radius spot

sqrt169 = 13

The answer is 13

Hope this helps!

8 0

3 years ago

Translate the question into a mathematical expression. The quotient of two and a number times seven

goblinko [34]

Answer:

2n * 7

Step-by-step explanation:

3 0

3 years ago