Homework Quiz 3-MATH.10.HFS1

Question 1

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What is 18% of 400?

Select one:

A.

720

B.

72

C.

7.2

D.

0.72

Question 2

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If 50 is increased to 90, the increase is what percent of the original number?

Select one:

A.

80%

B.

180%

C.

8%

D.

Can’t determine

Question 3

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If you got a 5% raise, what will your current salary of $62,000 be?

Select one:

A.

$31,000

B.

$62,500

C.

$65,100

D.

$93,000

Question 4

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The formula F = (9/5)C + 32 converts Celsius temperature C to Fahrenheit temperature F. What is the temperature in Fahrenheit if the temperature in Tokyo is 30⁰C?

Select one:

A.

56⁰

B.

68⁰

C.

72⁰

D.

86⁰

Question 5

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Referring to the formula in Question 4, what is the equivalent Celsius temperature for a Fahrenheit temperature of 59⁰F?

Select one:

A.

10⁰C

B.

15⁰C

C.

20⁰C

D.

25⁰C

Question 6

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The number of calories K needed each day by a moderately active woman who weighs w pounds, is h inches tall, and is a years old can be estimated by the formulaK = 917 + 6(w + h – a).

Elaine is moderately active, weighs 120 lb, is 67 inches tall, and is 23 years old. What are her caloric needs?

Select one:

A.

2177 calories

B.

1901 calories

C.

2039 calories

D.

1081 calories

Homework Quiz 3

Question 7

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Solve x + 5 = -7 for x.

Select one:

A.

5

B.

-7

C.

-12

D.

-13

Question 8

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Solve -2/3 + x = 5/2 for x. (The answer must be in fraction form.)

Select one:

A.

9/16

B.

19/6

C.

16/9

D.

7/5

Question 9

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Solve 3/8 = -(5/4)x for x.

Select one:

A.

10/3

B.

3/10

C.

-10/3

D.

-3/10

Question 10

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Solve 5x + 3 – 4x – 8 = 15 for x

Select one:

A.

20

B.

-20

C.

15

D.

-15

Question 11

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Solve 12 – 3x = 15 for x.

Select one:

A.

1

B.

-1

C.

9

D.

-9

Question 12

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Solve x/4 = (2x/3) + (5/6) for x.

Select one:

A.

3/2

B.

-5/8

C.

2

D.

-2

Question 13

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Solve 3(x – 1) + 9 = 8x + 6 – 4x for x.

Select one:

A.

0

B.

6

C.

No solution

D.

All real numbers

Question 14

Question text

Solve 3(x – 1) + 9 = 8x + 6 – 5x for x.

Select one:

A.

6

B.

0

C.

No solution

D.

All real numbers

Question 15

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Solve (x – 3)/5 – 1 = (x – 5)/4 for x.

Select one:

A.

7

B.

-7

C.

12

D.

-12

Homework Help

Homework Quiz 3-MATH.10.HFS1

Question 1

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Question 2

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Question 3

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Question 4

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Question 5

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Question 6

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Question 7

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Question 8

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Question 9

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Question 10

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Question 11

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Question 12

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Question 13

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Question 14

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Question 15

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