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MAXImum [283]
3 years ago
7

Penelope wants to buy two necklaces, one for his sister and one for herself. The necklace for her sister cost $42.00, and the ne

cklace for herself costs $28.00. The sales tax on the purchases is 8%. Find the total cost of Peter's purchases, including the sales tax. If necessary, round your answer to the nearest cent. Show Work!
(A) $64.40
(B) $5.60
(C) $75.60
(D) $70.00
Mathematics
1 answer:
alexgriva [62]3 years ago
5 0

Answer:

The answer is C, $75.60.

Step-by-step explanation:

1) Add the price of the two necklaces.

42 + 28 = 70

2) Find what is 8% of 70. (Taxes)

70 x 8 = 560

560/100 = 5.6

3) Add the tax (5.6) to the total cost (70)

70 + 5.6 = 75.6

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31x + y2 - (xy)2<br> if x = 3 and y = -5
Lerok [7]

Answer:

113

Step-by-step explanation:

To find the result of the equation, you just have to apply the given information that x = 3 and y = -5 into the equation:

31x + y2 - (xy)2

= 31 * 3 + -5 * 2 - (3*-5) * 2

= 93 + -10 + 15 * 2

= 93 -10  + 30

= 83 + 30

= 113

Hope this help you :3

8 0
3 years ago
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Need to find the solution please help 3 questions
aalyn [17]

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Step-by-step explanation:

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3 years ago
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dezoksy [38]

Two shaped are merged so

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So,rhe answer will be

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HOPE IT IS HELPFUL

5 0
4 years ago
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8 0
3 years ago
A person rides there bike at a rate of 1/4 mile every 3 minutes. What is there biking rate in miles per hour?
mario62 [17]
The answer is: 5 miles per hour

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Hope this helps and hope you have a great day
4 0
4 years ago
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