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Alexandra [31]
3 years ago
5

Convert 8.3 to a percent. A. 0.083% B. 8.3% C. 83% D. 830%

Mathematics
2 answers:
egoroff_w [7]3 years ago
8 0
D. 830%

8.3 x 100 = 830

(Hope this helps)
ahrayia [7]3 years ago
4 0
You move the decimal two places to the right. the answer is 830%
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Kaylee obtains a loan with simple interest to buy a car that costs $8,500. If Kaylee pays $1,020 in interest during the four-yea
sladkih [1.3K]

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The rate is 3 percentage

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3 years ago
A professor at a local university noted that the exam grades of her students were normally distributed with a mean of 73 and a s
jasenka [17]

Answer:

The minimum score of those who received C's is 67.39.

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 = 73, \sigma = 11

If 69.5 percent of the students received grades of C or better, what is the minimum score of those who received C's?

This is X when Z has a pvalue of 1-0.695 = 0.305. So it is X when Z = -0.51.

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

-0.51 = \frac{X - 73}{11}

X - 73 = -0.51*11

X = 67.39

The minimum score of those who received C's is 67.39.

7 0
3 years ago
Different cities have different sales tax rates. Here are the sales tax charges on the same items in two different cities. Compl
tensa zangetsu [6.8K]

Answer:

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4 0
3 years ago
Read 2 more answers
HELP ME PLEASE!! Urgently needed!!!
elixir [45]
The equation for the first part would be 4.50p+40=112.
This is because he earns 40 dollars in wages which doesn't change but the number of shoes he commissions, which would be 4.50 per pair. varies based on how many he commissions.

The answer to your second part would be 16.
To find the number, you subtract 40 from each side which gets you 4.50 = 72. From there you just divide which gets you 16.

Another easy way to do it would just be substituting until you find the right number like on a calculator but if you don't have a calculator on hand (let's say for a test), than the first way would be more effective.
4 0
3 years ago
Find the slope and the y-intercept of the graph of y=4x−5.
Vsevolod [243]

Answer:

Slope is 4 Y intercept is -5

Step-by-step explanation:

Y intercept is always the second number, and the slope is always with the x after. Also Y=MX+B

8 0
3 years ago
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