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Inessa05 [86]
3 years ago
15

Please help me solve this ​

Mathematics
1 answer:
Ray Of Light [21]3 years ago
3 0

Answer:

٢لرءعا٧بعبهغف٦٦غغغععغف

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What is the value of x?
Mariulka [41]

Answer:  x = 7

`Step-by-step explanation:

Because the figure shows two triangles that are similar. we can write and solve an equation of ratios:

 9 cm       72 cm

----------- = -----------

3x - 20      56 cm

Cross-multiplying, we get (3x - 20)(72 cm) = (9 cm)(56 cm) = 504 cm²

Dividing both sides by 72 cm, we get:

3x - 20 = (504 cm²) / (72 cm) = 7

Then 3x - 20 = 7, and 3x = 27.  Then x must be 9.

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A function can be represented verbally. For example, the circumference of a square is four times one of its sides.
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A function can be represented graphically.
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Complete the following two-column proof.<br> Given: 5x - 2 = -12<br> Prove: x = -2
kolezko [41]

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I really don't know! Hope you have a good grade :)

Step-by-step explanation:

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