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Tresset [83]
10 months ago
7

Solve the following equation for x.x^2−47=17List your answers separated by a comma, not using a ± sign and do not include x= in

your answer.Question 2 options:3, 5-9, 9-8, 8-30, 0
Mathematics
1 answer:
Ne4ueva [31]10 months ago
8 0

ANSWER :

The values of x are -8 and 8

EXPLANATION :

From the problem, we have the equation :

x^2-47=17

Add 47 to both sides :

\begin{gathered} x^2-47+47=17+47 \\ x^2=64 \end{gathered}

Take the square root of both sides :

\begin{gathered} \sqrt{x^2}=\sqrt{64} \\ x=\pm8 \end{gathered}

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Answer:

C

Step-by-step explanation:

Okay, the catch of this question is that they do a very good job of explaining Maria's age in terms of George's age, but they leave George's age in terms of Maria's all up to you.

First start off by doing an expression of what they explicitly give you. Maria's age in terms of George's age.

Let's use variables g, representing George's age and m representing Maria's age

m = 2g + 3

Okay, this is all dandy and all, but they ask us for George's age in terms of Maria's, so we need to isolate for g.

subtract the 3 from both sides, like so:

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then divide 2 from both sides: (remember we're dividing the whole thing)

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g = (m-3)/2 or g = \frac{m-3}{2}

The answer that gives us this, is C.

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