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juin [17]
2 years ago
9

Solve the algebraic expression below (2/5) (10) + 8

Mathematics
1 answer:
Andrews [41]2 years ago
4 0

Answer: 12.

Step-by-step explanation:

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Step 2: Substitute the given parameters in the formula

\begin{gathered} z-\text{score}=\frac{145-165}{40} \\ Z=-\frac{20}{40} \\ Z=-\frac{1}{2} \\ Z=-0.5 \end{gathered}

Hence, the z-score of a person who scored 145 on the exam is -0.5

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1 year ago
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What type of number is -2i?
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