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eimsori [14]
3 years ago
8

In 20 years Mary will be three times as old as she is now. How old is she now?

Mathematics
1 answer:
Mrrafil [7]3 years ago
6 0

Mary is 10 yrs old now.

Explanation:

10+20=30

30÷3=10

So, Mary has to be 10yrs old now.

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4 0
3 years ago
Can somone help me with this 1 problem? QRST is a parallelogram. Determine the measure of ∠Q
valina [46]
(In the picture, QRST looks like a rhombus, so I will assume that it is a rhombus.)

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We know that Q is equal to 4x + 10, but we need to solve for x. Since Q and S are congruent, we can set them equal to each other:
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3 0
3 years ago
I don't understand how to do this,<br> 6x + 6/6 &gt; 1/3x + 2
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