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Anestetic [448]
2 years ago
11

Nancy joined a school band .she bought 4 violins at 87.82 per violin and 2 song books

Mathematics
1 answer:
tatiyna2 years ago
3 0

Answer:

$32.80

Step-by-step explanation:

Find out how much Nancy spent on 4 violins and 2 song books.

1 violin = 87.82

4 violins = 87.82 x 4 = 351.28

1 song book = 7.96

2 song books = 7.96 x 2 = 15.92

351.28 + 15.92 = 367.20

4 x 100 dollar bills = 400 dollars

Normally after paying for an item, if you pay much more money than the actual price of the item, you'll get some money back from the cashier. That's called a change.

400 - 367.20 = 32.80

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lutik1710 [3]

Answer:

0.15

Step-by-step explanation:

6 divided by 24 equals 0.25

12 divided by 30 equals 0.4

0.4 minus 0.25 is 0.15

8 0
3 years ago
HELP please I’ll post a picture to make it easier to look at <br> (I made it to get 20 points)!!!
Trava [24]

Answer:

Both expressions are = to 11 when x is 2.

Therefore, the expressions are equivalent.

6 0
3 years ago
Solve 4x+5y=13 for y
barxatty [35]

the answers is y equals 8x

4 0
3 years ago
Read 2 more answers
2) Working alone, Rob can dig a 10 ft by 10 ft hole in ten hours. Shayna can dig the same hole in seven hours. Find how long it
Free_Kalibri [48]

rob can dig 1/10ft in one hour

Shayna can dig 1/7ft in one our

together they can dig

1/10+1/7

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in for hours they can dig

17/70×4

68/70

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in 60 minutes they can dig 17/70

1/70 work can be done in 60 minutes/17

2/70 work can be done in 60/17×2 minutes

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8 0
3 years ago
Find an equation of the line given one point and the slope. (–10, –5);
allochka39001 [22]
You forgot to provide the slope but here is how you do this 

the slope 5 = (y2 - y) / (x2 - x) but we know that (x2, y2) = (-10, -5)
=> (-5 - y) / (-10 - x) = 5 --- multiply both sides by (-10 - x)
=> (-5 - y) = 5 (-10 - x) 
=> (-5 - y) = -50 - (5)x --- add +5 to both sides 
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=> y = 5x + 45  --- this will be your equation. 
7 0
3 years ago
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