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Marrrta [24]
3 years ago
14

Gabriela was solving an equation, but when she checked her answer, she saw solution was incorrect . She knows she made a mistake

, but she can’t find it.

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
8 0
At the second row she put 72 when it should be 60
12x5
maxonik [38]3 years ago
8 0

Answer:

The distribution at the 2nd line

Step-by-step explanation:

I believe where Gabby went wrong was in her multiplication distribution

12*5=60 not 72

hope this helps!!

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An aptitude test has a mean score of 80 and a standard deviation of 5. The population of scores is normally distributed. What ra
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Answer:

82.62

Step-by-step explanation:

Mean score (μ) = 80

Standard deviation (σ) = 5

The 70th percentile of a normal distribution has an equivalent z-score of roughly 0.525.

For any given score, X, the z-score can be determined by:

z=\frac{X-\mu}{\sigma}

For z = 0.525:

0.525=\frac{X-80}{5}\\ X=82.62

A raw score of approximately 82.62 corresponds to the 70th percentile.

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4 years ago
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Step-by-step explanation:

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Answer:

Equation:500÷8×2

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3 years ago
Two angles are complementary. The larger angle is 46∘46∘ larger than the smaller angle. Find the measure of both angles, and sep
Oxana [17]

Answer:

22, 68

Step-by-step explanation:

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x + x + 46 = 90

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3 0
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