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snow_lady [41]
3 years ago
8

At the time she had $237 ,the cost of a lesson rose to &19.how many lesson can she pay for with remaining &237

Mathematics
1 answer:
ad-work [718]3 years ago
8 0
12.5, just divide 237 by 19
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a book store is having a sale. all hardback books are 20% off l, and all paperbacks are 10% off. suppose you buy four paperbacks
Yuliya22 [10]
<span># of books = 4 ; original cost = 4*9=36; savings = 0.10*36= 3.60
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<span># of books = 2 ;original cost = 2*20=40; savings = 0.20*40= 8.00

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<span>Percent savings:
original total cost=$76
Total savings = $11.60
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4 0
3 years ago
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A plumber had two pipes. The ratio of the length of the longer pipe to the
expeople1 [14]

Answer:

4.95m

Step-by-step explanation:

Let the length of longer and shorter pipe be x and y respectively..

given,

x/y=9/2...(i)

x-1.65=3y ...(ii)

in eqn ii..

x-1.65=3y

or, x/y - 1.65/y = 3

or, 9/2-1.65/y =3

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or, y=1.65/1.5

•°• y = 1.1m

now,

x/y = 9/2

or, x/1.1 = 4.5

x= 4.5×1.1

•°• x= 4.95m

thus, the length of the longer pipe is 4.95m

7 0
3 years ago
Write the canonical equation of the straight line 2x+3y-2z+6=0, x-3y+z+3=0
Romashka-Z-Leto [24]

i hope this helps  

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6 0
3 years ago
you have decided to purchase a car for $15,699. the credit union requires a 10% down payment and will finance the balance with a
ycow [4]
Its D! Hope this helps :))
8 0
3 years ago
Need help. asap. also need an explanation for the problem. :)
Maurinko [17]

Answer:

124858

Step-by-step explanation:

The first 4 digits are simple, you multiply the first digit of the equation by the 2nd digit and then for the other 2 you multiply the first digit of the equation by the 3rd digit.

6 + 2 + 8

6 * 2 = 12

6 * 8 = 48

Then the last 2 digits are the sum of the products of the 1 and 2 and 1 and 3 and subtract it by the 2

12 + 48 = 60

60 - 2 = 58

Put them together

7 0
3 years ago
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