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Jlenok [28]
2 years ago
8

May you guys please help me on this one

Mathematics
1 answer:
NNADVOKAT [17]2 years ago
5 0

Answer:

y maximum is at 1 for both the points (4,1) and (-4,1)

Step-by-step explanation:

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Answer:

its 45

Step-by-step explanation:

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2 years ago
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A jar contains 25 coins of only dimes and quarters. The value of the jar is $4.45. Write the equation that represent the money v
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Step-by-step explanation:

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2 years ago
A group of high school athletes has an average GPA of 2.7 with a standard deviation of 0.9. a)Find the percentage of athletes wh
mart [117]

Answer:

a) The percentage of athletes whose GPA more than 1.665 is 87.49%.

b) John's GPA is 3.645.

Step-by-step explanation:

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 problem, we have that:

\mu = 2.7, \sigma = 0.9

a)Find the percentage of athletes whose GPA more than 1.665.

This is 1 subtracted by the pvalue of Z when X = 1.665. So

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

Z = \frac{1.665 - 2.7}{0.9}

Z = -1.15

Z = -1.15 has a pvalue of 0.1251

1 - 0.1251 = 0.8749

The percentage of athletes whose GPA more than 1.665 is 87.49%.

b) John's GPA is more than 85.31 percent of the athletes in the study. Compute his GPA.

His GPA is X when Z has a pvalue of 0.8531. So it is X when Z = 1.05.

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

1.05 = \frac{X - 2.7}{0.9}

X - 2.7 = 1.05*0.9

X = 3.645

John's GPA is 3.645.

8 0
3 years ago
1/2x+5=1/3x what do you multiply the equation by in order to get rid of the fractions in the problem
earnstyle [38]

Answer:

we should multiply by 6 to get rid of the fractions in problem

6 0
2 years ago
I’ll give Brainly but pleaseee help
77julia77 [94]
Fruit adult = 26
fruit total = 52
vegetable child = 14
total child = 40
total adult = 50
8 0
3 years ago
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