2 years ago

I need help with algebra

1 answer:

6 0

First, you need to isolate the variable.

Subtract four from both sides of the equation. x/2 = -3
Multiply both sides by two. x = -6

Substitute to check your answer.
4 + (-6)/2 = 1
4 + -3 = 1
1 = 1

Our solution is correct

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2 years ago

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Andreyy89

Answer:

The correct option is C) 21.1 and 0.68

Step-by-step explanation:

Consider the provided information.

The mean composite score was 21.1 with a standard deviation of 4.8. The ACT composite score ranges from 1 to 36, with higher scores indicating greater achievement in high school.

Therefore μ = 21.1 and σ = 4.8

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