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Korvikt [17]
3 years ago
12

Nachelle goes out to lunch. The bill, before tax and tip, was $8.10. A sales tax of 4% was added on. Nachelle tipped 17% on the

amount after the sales tax was added. How much was the sales tax? Round to the nearest cent.
Mathematics
1 answer:
harina [27]3 years ago
6 0

Step-by-step explanation:

Nachelle goes out to lunch. The bill, before tax and tip, was $8.10. A sales tax of 4% was added on. Nachelle tipped 17% on the amount after the sales tax was added. How much was the sales tax? Round to the nearest cent.

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A circle has a diameter with endpoints at (0, 4) and (0, –8). What is the approximate area of the circle?
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113.04

Step-by-step explanation:

Area of a circle is πr2

π = 3.14

r = 6

πr2 = 113.04

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3 years ago
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Mrs. Rose has 16 students in her class. Her class has three times as many girls as boys. How
sveta [45]

Answer:

first option, 12 girls 4 boys

Step-by-step explanation:

16

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A company manufactures two types of fishing rods, standard and folding. The cost of manufacturing 2 folding rods and 1 standard
Mrac [35]

Answer:

Step-by-step explanation:

A company manufactures two types of fishing rods, standard and folding. The cost of manufacturing 2 folding rods and 1 standard is $35. If 5 standard and 7 folding rods were manufactured, the cost would be $145. How much does it cost to manufacture each type of rod.

let S = standar rod

F= folding rod

2F + S =35

2F + S -2F =35 - 2F

or S = 35-2F

7F + 5S =145

7F + 5S -7F =145 -7F

or 5S =145-7F

Since S=35-2F

5S = 5X (35-2F)

5S = 175 -10F

which equals 145-7F

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175-10F +10F = 145 -7F + 10F

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30 = 3F

F = 10

but S =35 - 2F

so S = 35 -2X10

S = 35-20 =15

check:

if F = 10 and S = 15

then 5S +7F should equal 145

5X15 + 7X10 = 75 + 10 =145

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2 years ago
Suppose the cost of college tuition is expected to increase 5% every year. How much will the tuition at a comunity college cost
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Answer:

$7,596.43

Step-by-step explanation:

The cost of the college tuition is increasing 5% compounded annually for 5 years.

∴ A = P(1 + r%)ⁿ

where A = tuition fee after 5 years.

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           r = rate of increase

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A =  $5,952(1 + 5%)⁵

     = $5,952(1 + 0.05)⁵

     =  $5,952 × 1.05⁵

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691.241

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678.901

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