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vaieri [72.5K]
3 years ago
11

A car that normally sells for $20,000 is on sale for $16,000. The sales tax is 7.5% What percent of the original price of the ca

r is the final price?
Show your work to solve this problem.
Mathematics
2 answers:
erastova [34]3 years ago
7 0

Answer:

80

Step-by-step explanation:

Aleonysh [2.5K]3 years ago
4 0
The answer will be 80
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You can tell that a fraction is a unit fraction when it is over a unit of one. This is also known as unit rate.
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For question 3, use the Pythagorean Theorem.
Juliette [100K]

Step-by-step explanation:

can't really use the Pythagorean because you don't know this is a right triangle.

use the fact that they are similar

so

3/6 = x/12 where x is FE

cross multiply

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then 6/12 = y/9 where y is FD

cross multiply

12y = 54 = 54/12 therefore FD = 4.5

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What are the solutions of the equation?<br> X - 10=3
Nookie1986 [14]

Answer: X = 13

Step-by-step explanation:

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2 years ago
EMERGENCY HELP! A steady stream of water flows into a partially-filled rectangular tank. After 6 minutes, there are 87 gallons o
german

Answer:

y=9x+33

33 gallons of water to begin with.

Step-by-step explanation:

So we essentially are given two coordinates: (6,87) and (21,222). To find an equation, we simply need to find the slope and y-intercept. We know it's a linear equation because it's a steady stream, meaning a constant slope.

The slope is:

m=\frac{y_2-y_1}{x_2-x_1}=\frac{222-87}{21-6}=135/15=9

So, the rate at which the stream flows is 9 gallons per minute.

Now, let's find the initial amount of water. To do this, we can use point-slope form. Pick either of the two points. I'm going to use (6,87).

y-y_1=m(x-x_1)\\y-87=9(x-6)\\y-87=19-54\\y=9x+33

So, there were 33 gallons of water in the tank to begin with.

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3 years ago
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That would be 1.322 x 10^9

Its A
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