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pychu [463]
2 years ago
6

Sasha spins the spinner once. 8 letters F B G D A H E and C. What is the probability it will lend on E or G?

Mathematics
1 answer:
labwork [276]2 years ago
3 0

Answer:

20%

Step-by-step explanation:

8+2=10 and 10=100%-80%=20%

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Marissa got an 85% on her math quiz. If she got 34 questions correct, know how many questions were on the quiz.
ikadub [295]

<u>Answer:</u> 40

<u>Reasoning:</u> 34/.85= 40

40x.85=34

8 0
3 years ago
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Find the midpoint of the segment with the given endpoints <br><br> (-9,-9) and (7,5)
Mice21 [21]

Answer:

  • (-1, -2)

Step-by-step explanation:

<u>Given points</u>

  • (-9,-9) and (7,5)

<u>Midpoint is</u>

  • ((-9 + 7)/2, (- 9 + 5)/2) =
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5 0
3 years ago
Dear Math Helper,
valentina_108 [34]

Answer:

n = 98, that is, she scored at the 98th percentile.

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

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

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

She scored 38, so X = 38

Test scores are normally distributed with a mean of 25 and a standard deviation of 6.4.

This means that \mu = 25, \sigma = 6.4

Find the percentile:

We have to find the pvalue of Z. So

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

Z = \frac{38 - 25}{6.4}

Z = 2.03

Z = 2.03 has a pvalue of 0.98(rounding to two decimal places).

So n = 98, that is, she scored at the 98th percentile.

5 0
3 years ago
What is the degree of the polynomial function shown in the graph?
dusya [7]
The answer to your Q is 4
3 0
3 years ago
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Use the expression to find the value of the 20th term.<br> A. 24<br> B. 76<br> C. 80<br> D. 84
Oliga [24]

Answer:

c

Step-by-step explanation:

if its talking about what ones a factor or moltiple of 20 then c if not then i dont know

5 0
3 years ago
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