Math 092 Practice Final #4 1

GEOMETRY FORMULAS

Circle: or Rectangle: P = 2L + 2W

A = L ∙ W

Triangle: A = b∙h

Rectangular Solid: V = L∙W∙H Cylinder:

Cone: Sphere:

______

1.) Find a number such that of it is 24.

2.) Convert to a decimal:

3.) Simplify using order of operations:

4.) Convert to a percent.

Questions 5 and 6 refer to a triangle ABC if and

5.) Find

6.) Is acute, obtuse, or a right angle?

7.) Add: 12.2 + 219.957

8.) Add:

9.) Write in words: 17.05

10.) Simplify:

11.) Find the perimeter of the square below:

2 meters

12.) Divide and reduce to lowest terms, if possible:

13.) Find the volume of a cone if the radius is 3 ft and the height is 6 ft.

(Leave your answer in terms of )

14.) Divide: (48) ÷ (-6)

15.) Find the area of a triangle with base 10 in and height 5 in

16.) Simplify using order of operations:

17.) Solve for x:

18.) Convert to a fraction and reduce to lowest terms: 0.004

19.) Divide: 2.583 ÷ 2.1

20.) Find the missing side of the right triangle below:

8

6

21.) Find the total cost of a compact disc priced at $15 if the sales tax is 6%.

22.) What percent of 250 is 50?

23.) What is 2% of 45.5?

24.) Factor:

25.) Find the volume of the figure below:

2 yds

1.5 yds

3 yds

26.) Solve for x:

27.) Subtract: -15 – 15

28.) Multiply and reduce, if possible:

29.) Find the supplement of an angle which measures 29°.

30.) Last week, Ken worked 32 hours and made $240.

How many hours would he have to work to earn $300?

31.) 20 is 40% of what number?

32.) Simplify:

33.) Simplify:

34.) Subtract: 63 – 7.134

35.) Fill in the blank with < or >:

Questions 36, 37, and 38 refer to the following data: 3, 22, 1, 12, 17, 9, 10, 3, 2, 1

36.) Find the mean.

37.) Find the median.

38.) Find the mode(s).

39.) Solve for x:

40.) Answer TRUE or FALSE (explain your answer!):

41.) Answer TRUE or FALSE (explain your answer!):

42.) Convert to a mixed number:

43.) Convert to a fraction and reduce to lowest terms: 2.4%

44.) Convert to a percent: 0.7

45.) Subtract and reduce, if possible:

46.) Multiply: 4.21 ∙ 2.3

47.) An Xbox 360 originally sold for $400. If it is now on sale for $300,

find the percent decrease.

48.) Write in order from smallest to largest:

49.) Round 25.28557 to the nearest 1000th.

50.) Find the area of a circle with diameter 12 inches.

(Leave your answer in terms of )

ANSWERS:

1.) 24 2.) .225 3.) 46 4.) 45% 5.) 38.5° 6.) acute

7.) 232.157 8.) 9.) seventeen and five hundredths 10.) -4a + 4b

11.) 8 m 12.) 13.) 18π ft3 14.) -8 15.) 25 in2 16.)

17.) 18.) 19.) 1.23 20.) 10 21.) $15.90 22.) 20%

23.) .91 24.) 6(x-3y-4z) 25.) 9 yds3 26.) x=10 27.) -30

28.) 29.) 151° 30.) 40 31.) 50 32.) 33.)

34.) 55.866 35.) < 36.) 8 37.) 6 38.) 1 and 3 39.) x=23

40.) FALSE 41.) FALSE 42.) 43.) 44.) 70% 45.)

46.) 9.683 47.) 25% 48.) 49.) 25.286 50.) 36π in2