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sleet_krkn [62]
3 years ago
7

5x+2x=2x+5x is an example of which algebraic property?

Mathematics
1 answer:
Travka [436]3 years ago
5 0
The answer to your question is c.
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If cos theta = -2/5 and tan theta > 0, what is the value of sin theta?
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This is an inequality, let's solve this step by step!
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7 0
3 years ago
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Find the value of x. Leave your answer in simplest radical form.
Artyom0805 [142]

Answer:

First you need to find at least two dimensions of the triangle containing a side length of x. The triangle of the top can be used for that. The hypothenuse for the 7,3 triangle is \sqrt{58}.

Now we can use the other triangle with sides of x,\sqrt{58}, and a hypothenuse of 9 to find x.

x^2 + \sqrt{58}^2 = 9^2

simplify

x^2 + 58 = 81

subtract 58 from both sides

x^2 = 23

x = \sqrt{23\\}

and since this radical cannot be simplified further that is your answer.

Step-by-step explanation:

3 0
3 years ago
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