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loris [4]
3 years ago
9

Ms. Rogers asked 15 piano students how many hours of practice they put in each week. The list shows the data she recorded.

Mathematics
1 answer:
topjm [15]3 years ago
6 0

Answer:

D

Step-by-step explanation:

A student that goes to class can not put 10 hours of practice per day.

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Donovan: m=312.3 b=18.5<br> Find the slope of the linear model
andrezito [222]
The slope is m, which is 312.3
also in intercept form would be y=312.3x+18.5
6 0
3 years ago
Help i forgot how to do this
Romashka [77]

Answer:

a=3/5 or 0.6

Step-by-step explanation:

a-8/5-2/3a=-7/5

Step 1: Multiply both sides

15a-24-10a=-21

Step 2: Combine like terms

5a-24=-21

Step 3: Calculate and divide both sides by 5

5a=3

Solution:

a=3/5 or 0.6

5 0
3 years ago
Kristen gets home from work at 5:34 p.m. Kristen's dinner is ready at 5:51 p.m.
bazaltina [42]

Answer:

1,020 seconds

Step-by-step explanation:

we know that

To find out how many seconds after Kristen gets home is her dinner ready, subtract the time Kristen gets home from the time Kristen's dinner is ready

so

5:51 p.m-5:34 p.m=17 min

Remember that

1\ min=60\ sec

Convert minutes to seconds

17\ min=17(60)=1,020\ sec

7 0
3 years ago
Jk is perpendicular to xy at its midpoint m. choose the answer that includes the correct responses.
Soloha48 [4]

Answer:

D

Step-by-step explanation:

JK intercept line XY at the midpoint. This means that these points are all equidistant from the midpoint. Due to this, J and K are both an equal distance from M. So is X and Y.

3 0
3 years ago
Ron needed to buy a new jacket for his upcoming ski trip. The ticket price of the jacket was $199.00. After the sales tax was ad
Levart [38]

Answer: 5%

Step-by-step explanation:

Given that:

Ticket price of jacket = $199

Final price after addition of sales tax = $208.95

Percentage sales tax on the jacket =?

Final price after addition of sales tax = price of jacket + amount of sales tax paid

208.95 = 199 + amount of sales tax paid

amount of sales tax paid = 208.95 - 199

amount of sales tax paid = $9.95

Let Percentage of sales tax = x

(x / 100) * 199 = 9.95

199x / 100 = 9.95

199x = 995

x = 5

Hence percent sales tax paid = 5%

8 0
3 years ago
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