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Dmitrij [34]
3 years ago
5

PLEASE HELP NOBODY KNOWS ? Mhmh

Mathematics
1 answer:
Sholpan [36]3 years ago
4 0

Answer:

76%

Step-by-step explanation:

Times the decimal by 100 to get a percent

basically moving the decimal 2 spaces to the right.

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Translate this sentence into an inequality: A cheetah can reach a speed of 70 mph. However, this speed can be maintained for no
bezimeni [28]

The sentence says the speed can be maintained for no more than 1640 feet.

The "no more" means 1640 feet or less ,so the equation would be d is less than or equal to 1640.

The correct equation is A.

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3 years ago
Ms.Cornick bought 6 new pens for $5.70. How much would it cost her to buy 11 pens at the same rate?​
UNO [17]

Answer:

about 11.50

Step-by-step explanation:

6 / 5.70 = 1.05

1.05 x 11

hope this helps

5 0
3 years ago
Hãy giúp mình dhvdsfbsdkjhg jefgfbd weg dsfws g g eew fr
Karo-lina-s [1.5K]
I don’t understand what are u saying pls translate
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3 years ago
Suppose ACT Composite scores are normally distributed with a mean of 20.6 and a standard deviation of 5.2. A university plans to
zimovet [89]

Answer:

The minimum score required for admission is 21.9.

Step-by-step explanation:

Problems of normally distributed samples are solved using 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 problem, we have that:

\mu = 20.6, \sigma = 5.2

A university plans to admit students whose scores are in the top 40%. What is the minimum score required for admission?

Top 40%, so at least 100-40 = 60th percentile. The 60th percentile is the value of X when Z has a pvalue of 0.6. So it is X when Z = 0.255. So

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

0.255 = \frac{X - 20.6}{5.2}

X - 20.6 = 0.255*5.2

X = 21.9

The minimum score required for admission is 21.9.

8 0
3 years ago
PLZ HELP ME WITH THIS IT DUE TODAY.I GIVE YOU BRAINLEST JUST PLEASE HELP!!!! THANK YOU!
Fiesta28 [93]
I’m not sure about number 1 but the answer for number 2 is

-4 1/2, -4.2, -4, ,0, 4
5 0
3 years ago
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