Decimal Conversion Algebra Quiz

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Quizzes Created: 1 | Total Attempts: 172
| Attempts: 172 | Questions: 20
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1) Simplify 9x − 2x

Explanation

The given expression is a subtraction of two terms with the same variable, x. To simplify, we can combine the coefficients of x, which are 9 and -2. Adding these coefficients gives us 7. Therefore, the simplified form of 9x - 2x is 7x.

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About This Quiz
Decimal Basics Quizzes & Trivia

When it comes to converting a fraction to a decimal number it is important to ensure that you do it right and avoid causing a mathematical error. The quiz below is designed to help you perfect your skills. Give it a try and see if you need to get a... see moretutor. see less

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2) Reduce 5/25x

Explanation

The given expression "Reduce 5/25x" can be simplified by dividing both the numerator and denominator by the common factor 5. This simplifies to 1/5x.

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3) 3(−9 +17)

Explanation

3(8) = 24

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4) x −14 = 39

Explanation

find what number minus 14 is 39

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5) 15 has how many 3/4 s in it?

Explanation

15 divided by 3/4 = 15*4/3 = 60/3 = 20

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6) Convert 32% to a fraction. Make sure your answer is fully reduced.

Explanation

32/100 reduces to 8/25

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7) (2⋅3)3

Explanation

2*3 = 6, 6^3 = 6*6*6 = 216

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8) Convert 7/8 to a decimal.

Explanation

To convert a fraction to a decimal, you divide the numerator (the top number) by the denominator (the bottom number). In this case, dividing 7 by 8 gives us 0.875. Therefore, the decimal form of 7/8 is 0.875.

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9) What is 45% of 175?

Explanation

.45 (175) = 78.75

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10) 5(−8) − 21

Explanation

5(-8) = -40, -40 - 21 = -61

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11) Write 5.6% as a decimal.

Explanation

To convert a percentage to a decimal, divide the percentage by 100. In this case, to convert 5.6% to a decimal, divide 5.6 by 100. The result is 0.056, which is the decimal representation of 5.6%.

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12) George cut 2/3 of the pie and put that giant piece on his plate. Then he ate 1/4 of that piece. What fraction of the original pie did George eat?

Explanation

1/4 * 2/3 = 1/6

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13) How many inches are in 35 feet?

Explanation

12 inches in a foot so, 35*12 = 420 inches

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14) Convert 15,840 feet into miles. (1 mile = 1,760 yards; 1 yard = 3 feet)

Explanation

15,840/3 = 5280 yards/1760 = 3 miles

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15) How long did it take Ted to drive (in his new sports car) 272 miles if his average speed was 68 mph?

Explanation

272/68 = 4

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16) The water tank had a maximum capacity of 84 gallons. If the tank was 2/7 full, how many gallons of water did it have?

Explanation

84*2/7 = 168/7 = 24 gallons

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17) What percent of 52 is 12? Round your answer to the nearest tenth.

Explanation

12/52 = .231 = 23.1%

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18) How many millimeters are in 4.511 meters?

Explanation

there are 1000 millimeters in one meter; 4.511*1000 = 4,511 millimeters.

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19) Mr. Drysdale earned $906.25 in interest in one year on money that he had deposited in his local bank. If the bank paid an interest rate of 6.25%, how much money did Mr. Drysdale deposit?

Explanation

906.25/.0625 = $14,500

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20) Convert 140 square feet into square inches.

Explanation

There are 12*12 = 144 square inches in 1 square foot; 140*144 = 20,160 square inches

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Simplify 9x − 2x
Reduce 5/25x
3(−9 +17)
X −14 = 39
15 has how many 3/4 s in it?
Convert 32% to a fraction. Make sure your answer is fully reduced.
(2⋅3)3
Convert 7/8 to a decimal.
What is 45% of 175?
5(−8) − 21
Write 5.6% as a decimal.
George cut 2/3 of the pie and put that giant piece on his plate. Then...
How many inches are in 35 feet?
Convert 15,840 feet into miles. (1 mile = 1,760 yards; 1 yard = 3...
How long did it take Ted to drive (in his new sports car) 272 miles if...
The water tank had a maximum capacity of 84 gallons. If the tank was...
What percent of 52 is 12? Round your answer to the nearest tenth.
How many millimeters are in 4.511 meters?
Mr. Drysdale earned $906.25 in interest in one year on money that he...
Convert 140 square feet into square inches.
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