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anzhelika [568]
3 years ago
9

Monica paid sales tax of $105 when she bought a new TV. If the sales tax is 5%, what was the cost of the TV?​

Mathematics
1 answer:
mezya [45]3 years ago
7 0

Answer:

$31.5

Step-by-step explanation:

X * 5% = $1.50

X = $1.50 / 5%

Or by using simple rule of three:

If 5% is $1.50

Then 100% is X

So you obtain = $30

Now you just need to sum The net prices and the taxes

Net + tax = Total Charge

$30 + $1.5 = $31.5

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For the sphere shown, r = 4.2 cm.<br> What is its volume, to the nearest cubic centimeter?
DochEvi [55]
V = 4/3(pi)(r^3)
V = 4/3(pi)(4.2^3)
V = 310 cm^3

Good luck!
8 0
3 years ago
3(x -y) + 4 if X = 3 and y = 2
Alchen [17]

Answer:

7

Step-by-step explanation:

3(3-2)+4

3(1)+4

3+4

7

7 0
3 years ago
Joshua has math and reading homework tonight. Joshua can solve each math problem in 2.5 minutes and he can read each page in 3 m
liraira [26]

Answer:

Joshua solved 7 math problems and tread 14 pages.

Step-by-step explanation:

Let x be the number of math problems Joshua solved. The number of pages Joshua read is twice the number of math problems he solved, then 2x is the number of pages Joshua read.

Joshua can solve each math problem in 2.5 minutes, then x math problems he solves in 2.5x minutes.

Joshua can read each page in 3 minutes, then 2x pages he reads in 3\cdot 2x=6x minutes.

It took him 59.5 minutes to complete all of his homework, so

2.5x+6x=59.5

Solve this equation:

2.5x+6x=59.5\\ \\8.5x=59.5\\ \\85x=595\\ \\x=7\\ \\2x=14

Joshua solved 7 math problems and tread 14 pages.

5 0
3 years ago
Read 2 more answers
Will bought a new skateboard that was on sale. The original price of the skateboard was $60. The store had marked it down by 20
AlexFokin [52]

We conclude that after the discount and the coupon, Will paid $36 for the skateboard.

<h3>How much did Will pay for the skateboard?</h3>

We know that the original price was $60, and two discounts were applied. One of 20% and other of 25%.

Then the amount that he paid is given by:

P = $60*(1 - 20%/100%)*(1 - 25%/100%)

P = $60*(0.8)*(0.75)  = $36

We conclude that after the discount and the coupon, Will paid $36 for the skateboard.

If you want to learn more about discounts:

brainly.com/question/843074

#SPJ1

3 0
2 years ago
Michael is riding his bicycle. He rides at a speed of 8 kilometers per hour for 12.8 kilometers. For how many hours does he ride
marishachu [46]
I think the answer would be 1.6 hours
3 0
3 years ago
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