Project #6781 - Intro to algebra and real numbers

1.       1. Simply this expression and combined like terms.

2y2-4y3-6y2+6y3

2.      2. Add the following.

9 8/9 + (-10 2/3)

3.      3. Simplify

9 – (-5) – 10 + 3

4.    4.   J.D. Patin enjoys playing Triominoes every Wednesday night, on four successive turns, his scores were -12, -16, 14, and -7. Find his final score for the four turns.

 

5.     5.  Which are rational numbers?

-4, 0, 22, 3.81, √11, √100, 8 1/9, -3/23, 1.2727727772…..

6.    Simplify the expression

-2 – (3 – 2p)=

7.    Preform the indicated operation.

6(23-3)-6(-43+10)∕ 2[4 – (-2)]

8. Use an inequality symbol to write the statement

8x is between -9 and 4, including -9 and excluding 4.

9. Simply the expression and combine like terms

-5(5y-7) +4(2y+9)=

10. Find the value of the expression

|-8|-|-5|

11. Solve by using distributive property

-20(5a – 9b +2c)

12. Change the sentence to an equation. Use x to represent a number.

Seventeen minus eleven-fourths of a number is 6

13. Convert the following phrase into a mathematical expression. Use x as the variable.

A number multiplied by -9, subtracted by the sum of 11 and three times the number.

14. Average hourly earnings of a production workers at Nussbam Steel from 1996 to 2002 are approximated by the equation y =0 .499x – 947.9, where x represents the year and y represents the hourly earnings. Use the model to approximate the earnings in 1999. Round to the nearest cent.

15. Evaluate the expression if c = - ¼ and d = ½

Cd + d4 =

16. Simplify

-6 (5)2 – (-4)(-8) =

17. How would you rewrite (w + 8) + (-5) using the associative property. Then simplify.

18. In August Alison had a checking account balance of 883.22. He checks and deposits are given below, what was her account balance at the end of August.

Checks : 35.91, 24.33, 4.98. Deposits: 81.12, 113.98.

 

19. Determine whether 8 is the solution to the equation 6z + 2(z-4) = 56

Subject Mathematics
Due By (Pacific Time) 05/26/2013 03:45 pm
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