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Gnesinka [82]
3 years ago
10

The sales tax for an item was $15.60 and it cost $390 before tax. Find the sales tax rate. Write your answer as a percentage.

Mathematics
1 answer:
labwork [276]3 years ago
7 0

Answer:

15.60 times 100 divided by 390=4%

Step-by-step explanation:

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Please help with this exercise.
algol [13]

for the lines k (x) = (- 9 / 5) x + (5 / 2) and h (x) = (2 / 5) x - (7 / 6), the solution for x will be 5 / 3 and y will be - 1 / 2.

We are given the two lines:

k (x) = (- 9 / 5) x + (5 / 2)

h (x) = (2 / 5) x - (7 / 6)

At the intersection of the two lines, we get that:

(- 9 / 5) x + (5 / 2) = (2 / 5) x - (7 / 6)

(2 / 5) x + (9 / 5) x =  (5 / 2) + (7 / 6)

(11 / 5) x = 11 / 3

3 x = 5

x = 5 / 3

y = (2 / 5) (5 / 3) - (7 / 6)

y = 2 / 3 - 7 / 6

y = - 1 / 2

Therefore, we get that, for the lines k (x) = (- 9 / 5) x + (5 / 2) and h (x) = (2 / 5) x - (7 / 6), the solution for x will be 5 / 3 and y will be - 1 / 2.

Learn more about lines here:

brainly.com/question/24644930

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6 0
1 year ago
Help with math:) 6th grade!!!
kvv77 [185]

Answer:

yeah, its 64

Step-by-step explanation:

4 0
2 years ago
Store had a sale on our supplies the price p of each item was mark down 60% which expression represents the new price
vlada-n [284]

Answer:

0.4p or p-0.6p

Step-by-step explanation:

We use percents in decimal form to multiply it with the price. We convert percents into decimals by dividing the percent number by 100. For example, 78% divided by 100 becomes 0.78.

There are two ways to look at it:

  • For finding the price we pay during a sale, we focus on the percent we pay. If 60% off is the sale, then we spend 40% or 100-60=40. 40% is 0.40. Multiply that by p an unknown price and we have 0.4p.
  • We can find the percent off by multiplying the price by the percent conversion. So 60% is 0.60. Then subtract it from the original price to find the leftover that we pay. This is p-0.6p.
8 0
3 years ago
1. Find the length of the hypotenuse in triangle ABC. Round your answer to the
tangare [24]
7.6 i could be wrong tho
4 0
3 years ago
2x - 3y = 16
KIM [24]

Answer:A

Step-by-step explanation:

8 0
3 years ago
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