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MatroZZZ [7]
2 years ago
9

Barney purchases an MP3 player from an online store for $86.00. On the checkout page, he notices that the store has applied a sa

les tax of 7%. Using a proportion, find the amount of his total bill that Barney is charged as sales tax.
Mathematics
1 answer:
Marat540 [252]2 years ago
3 0

Answer:

I'm on the same thing can someone help

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Ravi's age is six times that of Gaurav's. After 8 years Ravi will be twice as old as Gaurav. What are their present ages?
shusha [124]

Answer:

10 and 2

Step-by-step explanation

Nitesh is currently 10 and Ravi is currently 2

(2 times 5 is 10)

in 2 years Nitesh will be 12 and Ravi will be 4

(4 times 3 is 12)

3 0
3 years ago
Someone please help me with math linear equations 3x + 2y = 12
vodka [1.7K]
3x + 2y = 12
subtract 3x from both sides
2y = -3x + 12
divide all terms by 2 so that you can have only the y on the left side
y = -3/2x + 6
And that is your answer!

Hope this helped!! :)

6 0
3 years ago
Please help me :((( thank you ! :(
maxonik [38]
1. 4
2. 12
3. 6
4. 18
5. 2
6. 4 
7. 7
8. 15
9. 9
4 0
2 years ago
Read 2 more answers
The equation y=x^2-12x+45 models the number of books y sold in a bookstore x days after an award-winning author appeared at an a
romanna [79]
Answer: The first day the author reaches 100 days is on day 16.

To solve this problem, you could use a graphing calculator to graph the given equation. Then, determine when this line crosses 100. It crosses when x = 15.539. Therefore, we would have to round up to 16 so it is at least 100.

You could use the quadratic equation to solve: 100 = x^2 -12x + 45

Either you will get 16. If you use the quadratic formula, make sure to only use the positive answer.
7 0
3 years ago
What is the maximum amount of baggage that may be loaded aboard the airplane for the cg to remain within the moment envelope? we
Korvikt [17]
<span>You are to find the maximum amount of baggage that may be loaded aboard the airplane for the cg (center of gravity) to remain within the moment envelope.

In order to solve this, there is a graph that shows the load weight and the load moment of pilot and front passenger, fuel, rear passenger and passenger including the baggage. Using the given data such as pilot and front passenger 250, the load moment is 9 lbs/in, for the rear passenger at 400lbs, the load moment is 28.5 lbs/in, the fuel at 30 gal has a load moment of 2 lbs/in and oil at 8 quarters is 15 lbs. The total weight is 1,350 + 250 + 400 + 15 is 2015 lbs.</span>
6 0
3 years ago
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