3 years ago

A(n) __________ is an operation that reverses the effect of another operation.

Mathematics

1 answer:

Studentka2010 [4]3 years ago

8 0

An inverse operation reverses the effect of another operation. Answer is C

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(-7, 12) (10,-1)<br> What is this I can’t find this know we’re else

Trava [24]

Answer:

Step-by-step explanation: A step-by-step solution to 1/10 plus 7/12, with the answer in fraction form.

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2 years ago

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The measures of the angles of a triangle are in the extended ratio 2:2:8. What is the measure of the smallest angle?

zepelin [54]

We know that the ratio is;

$2:2:8$

The angles in a triangle add up to give 180°

We can think of there being twelve "parts" that add up to 180°

$2x + 2x + 8x = 180 \\ \\ 12x = 180 \\ \\ x = \frac{180}{12} \\ \\ x = 15$

So our ratio is;

$2*15 : 2*15 : 8*15 \\ \\ = 30 : 30 :120$

So the smallest angle is 30°

7 0

3 years ago

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Isosceles trapezoid ABCD has legs AB and CD, and base BC If.AB = 6 -7, BC = 2y - 4, and CD=7y - 20 find

Elenna [48]

Answer:

Step-by-step explanation:

y = 13