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Nady [450]
3 years ago
11

A shopper at a clearance sale is pleased to discover some cookie jars on sale for $19 each. The original price tags read $20. Wh

at is the discount percentage?
Write your answer using a percent sign (%).
Mathematics
1 answer:
meriva3 years ago
5 0

Answer:

To find the percent of change, divide the difference by the original amount.

Step-by-step explanation: The difference is 20-19=1. Divide this by the original to get 0.05. This means you got a 5% discount (move the decimal two places)

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crimeas [40]

Answer:

30 x 5x

9x + 5y

8x+ 20y

Step-by-step explanation:

8 0
3 years ago
Use scientific notation to estimate the number of inches in 1,225 miles
madam [21]
First, find the number of inches
<span>1225 Miles = 77616000 Inches

then, move the decimal to until you have a ones place.    </span>
<span>77616000.    the decimal for this number moves to the left SEVEN places.
you end up with 7.7616000
</span>
it will look like this:

7.8 * 10^7

I rounded to the .8 because you didn't state how many significant figures, but it could easily be 7.76 * 10^7

the exponent above the 10 will tell you how many places to move. to get back to your original number, move it back to the right seven places. Of course, you would have to place hold the numbers with 0s. If it were negative, you would move the decimal the opposite way.
6 0
3 years ago
The graph below belongs to which function family?
svet-max [94.6K]
The answer is the last one (absolute value)
6 0
3 years ago
Read 2 more answers
Jamie wants to run 2 3/4 miles today. He has already run 1 1/4 miles. How much farther must he run to reach his goal?
GaryK [48]
Working out:
2 3/4 ー 1 1/4 = 1 2/4 = 1 1/2

Answer:
He needs to run 1 1/2 more miles.
4 0
3 years ago
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Method of Least Squares, Evaluation of Cost Equation Lassiter Company used the method of least squares to develop a cost equatio
maksim [4K]

Solution :

1). The cost of the formula is given as :

   $ 19,350 + $12 x

2). 95% \text{confidence interval} for the prediction is :

    $21430 - 1.96 \times 220 < \text{Yf} < 21430+1.96 \times 220$

     $20998.8 < \text{Yf} < 21861.2$

     $20999 < \text{Yf} < 21861$    (rounding off)

3). r = 0.92

Therefore, $r^2 = 0.8464$

That is 84.64 % of the variability in the moving cost is best explained by the number of moves.

3 0
3 years ago
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