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Lisa [10]
3 years ago
11

A game that costs $72 is on sale for 20% off. It has a sales tax rate of 7.5% 20 on the sale price. What is the final cost of th

e game? ​
Mathematics
1 answer:
Nonamiya [84]3 years ago
3 0

Answer:

$61.92

Step-by-step explanation:

Lets start by applying the sale(discount) on the game. 20% off is synonymous with having 80% of something(the remaining part), so we can multiply 72*.8 in order to get $57.6

Now lets apply sales tax. A simple way to calculate total price when a tax or increase is present is by adding 100% to the % and multiplying. In this case, we would have 1.075 * 57.6 = $61.92

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3 years ago
What is the solution of the following system of equations?<br> 2x + y = -7<br> -3x - 2y = 10
pentagon [3]

Answer:

the solution is    (-4, -3)

Step-by-step explanation:

Multiply the first equation by 2.  This produces 4x + 2y = -14.

Now combine this result with the second equation:

4x + 2y = -14

-3x - 2y = 10

------------------

 x          = -4

Subbing -4 for x in the first equation yields 2x - 4 = -7, or 2x = -3.  

Then x = -3/2, and the solution is    (-4, -3)

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3 years ago
Use the intercepts to graph the equation.<br><br> 7x-5y=35
Zielflug [23.3K]

Answer:

Step-by-step explanation:

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3 years ago
Pretzels are given away for free at a local store. The tray is constantly replenished as people take the pretzels.The number of
Tanzania [10]

Answer:

The answer is "-13.5 \ / minute \\\\"

Step-by-step explanation:

The average rate to the changes of pretzels form t= 1 \ minutes to t=1.5 \ minutes will be:

=\frac{P(1.5)-p(1)}{1.5-1}\\\\=\frac{(20+(1.5)^2- 8 \cos \pi (1.5))-(20+1^2 -8 \cos \pi)}{0.5}\\\\=\frac{22.25-29}{0.5}\\\\=\frac{-675}{50}\\\\=-13.5 \ / minute \\\\

7 0
3 years ago
What is the probability of rolling an odd or non-prime number using a 12-sided die?
andriy [413]

Answer:

D) 11/12

Step-by-step explanation:

From 1 to 12, 6 numbers are odd (1, 3, 5, 7, 9, and 11).

7 numbers are non-prime (1, 4, 6, 8, 9, 10, and 12).

2 numbers are both odd and non-prime (1 and 9).

Therefore, the probability is:

(6 + 7 − 2) / 12 = 11/12

6 0
3 years ago
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