Question:

REALLY HARD pre algebra questions help!!?

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1: Remember, express all answers in simplest terms and no calculator is allowed!

The local recreation center fills its pool 5/6 full. If the pool has a capacity of 420 gal, how much water is in the pool?

504 gal

700 gal

350 gal

400 gal

2: Write this fraction as a decimal: 2/7 = ?. Round to the hundreths place.

0.29

0.2

0.276

0.33

3: (-7)(6) + (-4)(2) =

-50

-26

-34

-28

4: Solve for x:

-x - 3 - 6x = -24

-3

-2

4

3

5: Which of the following is not a linear equation?

y = -3x

3x + 4y = 12

x = 2y

x2+ y2 = 25

6: Find the Greatest Common Factor of the following number pair: 20 and 56

40

4

280

8

7: Change 20/35 to lowest terms.

2/3

4/5

3/5

4/7

8: Round 3.34343 to the nearest thousandth:

3.343

3.344

3.34

3.339

9: √-36

6

-6

9

no real solution

10: Find the Least Common Multiple of the number group: 20, 42, and 56

40

480

240

840

11: A circle has ___ degrees

180

90

360

120

12: 44 is 4 2/5 % of what number?

1000

400

100

200

13: Solve for the variable:

(t/3) = 29

9.67

16

87

62

14: 5 - (-3) =

2

-2

-8

8

15: 35.92 / 0.84 =

(Rounded to the nearest hundredth)

46.97

42.76

41.38

42.8

16: Mr. Smith drove 1/3 mi to pick up a coworker, then continued in the same direction for 3 and 2/5 mi to go to work. At the end of the day, he headed home. After driving 4/5 mi, how far was he from home?

3 and 1/3 mi

2 and 14/15 mi

3 and 7/10 mi

4 and 8/15 mi

17: (8/2 + 2) / 3

12

3

2

1 / 3

18: Find the perimeter of a Triangle ABC if AB = 1/2 ft, BC = 1/4 ft and AC = 3/5 ft.

1 and 14/40 ft

3/40 sq. ft

1 and 7/20 ft

5/11 ft

19: An angle measuring 60o is called a(n) _____ angle

right

obtuse

acute

straight

20: The new price of a $25 item is $15. What is the percent decrease?

10%

25%

40%

20%

21: Solve for the variable:

-2x + 9 + 9x = -47

-8

4

5 and 3/7

-3

22: Evaluate the expression if x = -1:

7x + 3

-10

10

4

-4

23: Remember, no calculator is allowed!

10.7% is equivalent to the decimal

0.0107

0.107

10.7

1.07

24: -2.975 / 0.25 =

12.45

-11.9

-10.12

11.045

25: 3(x2y)3 =

3x6y3

27x5y3

27x6y3

9x6y3

26: Solve as a proportion:

If there are 2.2 pounds in every kg, how many Kgs, to the nearest tenth, are in 325 pounds?

148

144.7

146.3

147.7

27: 32 / (2 + 6 / 3) =

12

8

4 / 3

7 and 1/3

28: Choose the equivalent fraction from the list for the given decimal: 10.05

10 and 5/10

10 and 5/100

10 and 5/1000

100 and 5/10

29: Mary's Clothing Mart is having a sale. Everything is 25% off. How much will you save on a $40 dress?

$10

$12

$30

$22.50

30: Simplify:

4x0y3z =

4xy3z

4y3z

0

1

31: Subtract 0.234 from 49.109 without a calculator!

47.775

48.875

48.7745

48.785

32: Which fraction has the greatest value?

3/4

3/6

1/3

2/3

33: 3/5 - 1/4 =

2/1

7/20

2/5

8/20

34: 3 books is to 15 pencils as 2 books is to ___ pencils

12

5

8

10

35: Solve for the variable:

-2x + 3 = -7

5

4

2

3

36: Which of the following ordered pairs is a solution of the equation: 2x - 3y = 12?

(0, 4)

(8, 4/3)

(-6, 0)

(-3, -5)

37: In a right triangle, the side opposite the right angle is called the _____.

leg

hypotenuse

right side

pythagorean

38: (5 and 1/3) * (2 and 1/4) =

(24/2)

(36/3)

(10 and 1/12)

12

39: Change 8/5 to a mixed number.

1 and 3/5

5/8

1 and 3/8

1 and 2/5

40: 13/20 is equivalent to the percent

55%

65%

75%

85%

41: -5 + 7 =

-2

2

12

-12

42: Combine like terms and simplify:

50x2 - 77 + 12x2 - 3x

50x2 - 77 + 12x2 - 3x

50x2 - 77 + 9x

62x2 - 3x - 77

59x2 - 77

43: Solve for x:

-7x + 1 = -13

-2

1 and 5/7

-1/7

2

44: If a baker can produce 9 funnel cakes in 12 minutes, how many can he make in 4 hours?

180

45

200

90

45: Given a right triangle with legs of lengths 12 and 5, then the hypotenuse = ?

10

13

9

8

46: Solve for r:

r + 9 = 48

41

57

32

39

47: Evaluate the expression if a = 1/4 and b = -3/4:

a2 + b2 - 2ab =

zero

1

4

1/2

48: Use the order of operations:

[10 - (2)(3)] + 15(-1) =

11

9

-11

8

49: -5.5 + (-8.7) =

-14.2

3.2

-13.2

-3.2

50: Is this a true or false proportion? 6/20 = 2/6

true

false

both

neither

51: (2xy3) / (2xy) =

2xy

1

y2

2xy2

52: 2 and 1/4 + 3 and 1/2 =

5 and 3/4

5 and 2/6

5 and 1/3

6

53: (6/7) ÷ (2/7) =

(1/3)

3

(12/49)

(6/2)

omg thanks soooo much!

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5 ANSWERS


  1. #1 is 350

    #2 is 0.29


  2. 7. 4/7

  3. i have no idea but i feel so sorry 4 u mate!!!

  4. My bwane harts bwi bwi

  5. 1. 350

    2. 0.29

    3. -50

    You really should be doing your own homework. You're not going to have Yahoo! Answers when the test comes then it will be obvious you cheated.  

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