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ElenaW [278]
3 years ago
11

What is the first step to solve the equation x^2-3=15​

Mathematics
2 answers:
Otrada [13]3 years ago
6 0

You will need to add 3 to each side.

x^2-3=15

    +3   +3

x^2=12

and go from there

Vanyuwa [196]3 years ago
5 0

Answer:

<h2>C. Add 3 to both sides of the equation.</h2>

Step-by-step explanation:

x^2-3=15\qquad\text{add 3 to both sides of the equation}\\\\x^2-3+3=15+3\\\\x^2=15\to x=\pm\sqrt{15}

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The probability that a 2 or 3 is rolled at least once is 0.14.

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when a six die is rolled once there is 11/12 probability of not rolling 2 or 3.

rolling a six sided die two times, p(2 or 3)' = 11/12

rolling a six sided die four times, p(2 or 3)'  = (11/12)² = 121/144

the probability that a 2 or 3 is rolled at least once is calculated as follows;

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P = 20/144

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Learn more about probability here: brainly.com/question/24756209

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