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October 1, 2014

October 1, 2014

Posted by **Carmen** on Sunday, September 21, 2008 at 1:06pm.

A: xy-1

2) 12/25 = ?

A: ? = .48

3) Find -x when x= -25/41 (this is a fraction)

A: -x = 41/25

4) Use a commutative law to find an equivalent expression. An equivalent expression of zx is ?

A: xz

5) multiply: -0.4(-28)=?

A: 11.2

6) solve using the muliplication principle.

12=6x

x=?

A: x=2

7) use either < or > to write a true sentence.

-5.61 < 14.33

A: <

8) solve for the indicated letter

z=10+y, for y

A: y = z-10

9) solve using the principles together

96 = 12(3y + 2)

A: y = 2

10) graph the number on the number line.

-11/4 (fraction)

I placed it between -3 and -2. closer to -3 because when changing it to a decimal it was 2.75

11) you owe $416.00. $294.09 of debt was canceled. How much to you owe?

A: $122.01

12) 9% of 39 = ?

A: 3.51

13) subract: -9-(-6)=?

A: -3

14) add fractions: -7/10 + 3/5 = ?

A: -1/10

15) multiply: (38)(7) = ?

A: 266

16) 2[4-5(1-8)]= ?

A: 98

17) translate to algebraic expression.

43 multiplied by t

A: 43t

18) simplify fraction: 42xy/54x = ?

A: 7y/9

19) solve: 8x-20=4x

A: x = 5

20) translate to algebraic expression:

35 more than q

A: q + 35

21) divide fractions, if possible:

-5/19 divided by [-3/19] =

A: 5/3

22) add: -9+(-5) = ?

A: -14

23) a student's average points when 536 points are earned on 8 tests.

A: 67 points

24) solve fraction using multiplication principle: x/6 = -6

x = ?

A: x = -36

25) determine whether 5 is a solution of the equation 7x+5=40

A: yes

26) evaluate fraction p/g for p = 24 and g = 4

Q: p/g = ? (simplify answer)

A: p/g = 6

27) [40 divide (-8) divide [-1/9] = ?

A: 45

28) find equivalent expression without parentheses: -(c+1) = ?

A: -c-1

29) solve: 3x-6=3

x = ?

A: x = 3

30) describe the situation from the viewpoint of each person. during a year, a person saves 1500 dollars, and another person spends 600 dollars.

Q: which real number corresponds to 'saves 1500 dollars'?

A: 1500

Q: which real number corresponds to 'spends 600 dollars'?

A: -600

31) type in factored form 5x+85 = ?

A: -17

32) collect like terms. simplify answer. type an improper fraction:

18w + w + fraction10/17w = ?

A: fraction 333/17w to the third ?

I need help with this one

33) i need help with this one (fractions) also

solve using addition principle and simplify answer:

x

33) x - 2/3fraction = 4/5fraction

A: x = 22/15 (fraction)?

34) Q: evaluate (-9x)to the second power when x=7.

A: 3969

Q: evaluate -9x to the second power when x=7

A: -441

35) divide fraction, if possible. type N if answer is undefined.

140/-20 = ?

A: -7

36) divide fraction, if possible. type N if answer is undefined.

36/-4 = ?

A: -9

37) solve using addition principle:

-9+x=-7

solution is: ?

A: x = 2

38) in 1993, the elevation of an offshore well was -3130 ft. in 1998, a new well was 330 ft deeper. what was the elevation of the new well in 1998?

A: -3460 ft

39) subtract fraction: -2/3 minus 1/3 = ?

A: -1

- Algebra -
**Anonymous**, Tuesday, June 14, 2011 at 12:16amcan someone plesae help solve this inequality 4+4>20

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