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kow [346]
2 years ago
13

The table displays the mean for seven random samples. Sample Sample Mean 1 23.2 2 26.7 3 24.9 4 24.6 5 28.0 6 26.3 7 23.4 Which

value is the best estimate of the mean of the population? 22.9 24.2 28.2 29.1
Mathematics
2 answers:
madam [21]2 years ago
6 0

Answer:

24.2 B

Step-by-step explanation:

This is right on edge

alukav5142 [94]2 years ago
4 0

Answer:

24.2

Step-by-step explanation:

I took the quiz and got it right

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The sales tax for an item was $19.20 and it costs $480 before tax. Find the sales tax rate. Write your answer as a percentage
Zigmanuir [339]

Answer:

sales tax rate = 4%

Step-by-step explanation:

In this problem formula to express one term in percentage is used

To express x as percentage of y is given by (x/y*100) %

______________________________________________

Cost of item = $480

sales tax = $19.20

we have to find sales tax rate.

sales tax rate is percentage of cost price which will levied as tax .

thus, we have to find sales tax as percentage of cost price.

using the percentage cost as given above

sales tax as percentage = sales tax/ cost of item *100

sales tax as percentage = 19.20/480 *100 = 4%

Thus, sales tax rate is 4%.

It means that if cost price of item is $100 then $4 will be the sales tax for the item.

5 0
3 years ago
Lauren is replacing a door that measures 80 inches by 39. What is the distance between opposite corner of the door
Zanzabum

Answer:

Step-by-step explanation:

x² = 80² + 39²

x² = 6400 + 1521

x² = 7921

x = 89 inches

4 0
2 years ago
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katrin [286]

Answer:

i think its A but im not sure

4 0
3 years ago
Read 2 more answers
If the front of a playhouse is shown in a scale drawing and the height of the door is 1.8 inches. The scale that maps the drawin
tatyana61 [14]

Answer:

4.5 feet

Step-by-step explanation:

Here, we are concerned with calculating the actual height in feet of the door given the scale used in the maps drawing.

In the scale, scale to actual is 1 inch to 2.5 feet

let 1.8 inch scale = x actual feet

Thus mathematically, by cross multiplying; we have;

x = 2.5 * 1.8 = 4.5 feet

4 0
3 years ago
you start hiking at an elevation that is 80 meters below base camp. You increase your elevation by 42 meters. what is the new el
9966 [12]
<span>38 m below base camp.</span>
7 0
3 years ago
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