3 years ago

Need help with this one

1 answer:

fgiga [73]3 years ago

3 0

Answer: its b

Step-by-step explanation:

just do b

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Mars2501 [29]

Answer:

There's 24 seventh graders

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3 years ago

Montano1993 [528]

3.3
$6 \frac{7}{8} = \frac{55}{8}$

-1/8 - 55/8 = -56/8 = -7

3.4
(-4x7)/10 = -28/10 = -14/5

3.5
-19/2 ÷ 38/7 <=> -19/2 x 7/38 and simplify = -7/4

3 0

3 years ago

7nadin3 [17]

Answer:

Step-by-step explanation:

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2 years ago

Nady [450]

Answer:

About 1.23 standard deviation above the mean

Step-by-step explanation:

From what we have here, we need to calculate the difference between the given value and the mean and divide by the standard deviation

That would be through calculating the z score as follows;

z-score = (x - mean)/SD

where x is the given value

z-score = (87-71)/13 = 1.23

Since the score is bigger than the mean, the correct choice here is that the score is about 1.23 standard deviation above the mean

3 0

3 years ago

garik1379 [7]

Answer: no solutions

Step-by-step explanation:

8 0

3 years ago

Need help with this one​