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3 years ago

15

Mrs. Powers spent $83.25 for gift bags for each of her 21 students. About how much did Mrs. Powers spend on each gift bag? (roun

d your answer to the nearest hundredth

1 answer:

geniusboy [140]3 years ago

7 0

83.25$ / 21 students = 3.96$ per gift bag

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3 years ago

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Solve absolute value equation 2|x-3|-8=2

Semmy [17]

Answer:

$x=8, -2$

Step-by-step explanation:

$2|x-3|-8=2$

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3 years ago

A package of twelve cans of the black beans cost $6.84. What is the cost of three cans of black beans?

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Answer:

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2 years ago

Express as a single power of 2

den301095 [7]

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3 years ago

A department store, on average, has daily sales of 28,651.79. the standard deviation pf sales is $1000. On Tuesday, the store so

adelina 88 [10]

Answer:

Tuesday's Z-score is 7.56

Step-by-step explanation:

We are given that a department store, on average, has daily sales of 28,651.79 and the standard deviation of sales is $1000.

Also, it is given that on Tuesday, the store sold $36,211.08 worth of goods.

Let X = Daily sales of goods

So, X ~ N( $\mu = 28,651.79, \sigma^{2} =1000^{2}$ )

The z-score probability distribution is given by;

Z = $\frac{X-\mu}{\sigma}$ ~ standard normal N(0,1)

Now, Tuesday,s Z-score is given by;

Z = $\frac{36,211.08-28,651.79}{1000}$ = 7.56

Yes, Tuesday was an unusually good day as on this day more worth of sales takes place as compared to the average daily sales of $28,651.79 .

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3 years ago