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enyata [817]
3 years ago
6

Samuel order four did from an online music stores. Each dvd cost 9.99$. He has a 20% discount code and sales tax is 6.75%. What

is the total cost of the order
Mathematics
1 answer:
Stells [14]3 years ago
3 0


The pre tax cost of the four DVDs  will be:

4 × 9.99 = 39.96

 6.75% tax will amount to 6.75/100 × 39.96 →.0675 × 39.96 = 2.697 or 2.70 rounded off.

Cost of  DVDs after tax will be 39.96 + 3.70 = 42.66 $

20% discount will  be 20/100 × 42.66 →0.2 × 42.66 = 8.53 $

Cost of DVDs with 20% discount  will be 42.66 - 8.53 = 34.13

Rounded off  to the nearest cent, the total cost of the order is 34 $ and 10 cents.

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A
kykrilka [37]

Answer:

One possible answer would be they sold 80 student tickets and 30 adult tickets

Step-by-step explanation:

set up two inequalities, one to show number of tickets that can be sold, and the other is how much money they need to make

5x+10y G than or =  700

x+y L than or = 110

The first inequality shows that each student (x) ticket sells for $5, and each adult (y) ticket sells for $10, and the amound has to be greater or equal to 700.

The second inequality shows that both student and adult tickets sold have to be less than or equal to 110.

First find either x or y, in this case finding y was easier

y is g than or = to 30

This means that they sold at least 30 adult tickets= $300

With y, plug into the inequality x+y L than or = to 110 to find x

x is less than or = to 80

This means that they sold at most 80 student tickets = $400

Hope this helps!

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2 years ago
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Is this perpendicular, parallel, or neither?<br>y=4x+5 <br>2x+8y=16
ANEK [815]
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3 years ago
Winning the jackpot in a particular lottery requires that you select the correct five numbers between 1 and 34 ​and, in a separa
Marina CMI [18]
<h3>The probability of winning the lottery is \frac{1}{10,295,472}</h3>

Step-by-step explanation:

Here, the total numbers in the jackpot = 1 to 34

Now, the number that needed to be drawn = 5

The number of ways , 5 number can be drawn from total 34 numbers :

^{34} C _5 =   \frac{34!}{5!(34-5)!}    = 278,256

Also, in separate draw, the correct number drawn  = 1

So, the number of ways that can be done  =  30 C 5 x  37  

= 278,256 x 37    = 10,295,472

Now, P(win)   =  \frac{\textrm{Total favorable attempts}}{\textrm{Total attempts}}  = \frac{1}{10,295,472}

Hence, the probability of winning the lottery is \frac{1}{10,295,472}

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3 years ago
Which function is graphed? ​
Gennadij [26K]

Answer:

x-intercept=(-1,0) y-intercept =(0,-3)

Step-by-step explanation:

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