Saturday
August 23, 2014

Homework Help: math

Posted by barbara on Sunday, July 18, 2010 at 2:17pm.

Jen, I will attempt to write the others out.
#3)ADD: -57 + (-22) I got -79
#4)Subtract -2.3-(-8.8) I got -6.5
#7)perform indicated operation:
-21 - (-9) I tried to underline
-----------
-21 - (-21) I got -12 over o or undfined
#8)Multiply:(4){-3/2} This one lost me
#9) place in ascending order:
- 2/5, 1/6, 7/8, -5/9, 3/4
I got -5/9, -2/5, 1/6, 3/4,7/8



#10)Determine the maximum and minimum values of these numbers.
3, -36/7, -1, -2/3, 5/4, -5, 26/9
I got min. -5 1/7 max. 3

Evaluate: [-24] - [-22]
I got 2

#12)find the reciprocal of 1/7(-7-10)
I do not know how to do this one. Can you show me?

#13)Multiply: (1.3)(10)(-4)
I got -52

#14)perform indicated operation:
11-6
-----
7-7 I got 5/0 undefined

#15) subtract 7/9 - [-13/18] I was lost on this one
#16)multiply 13 * 7 I got 91

#17)divide: -15/-3 that should be underlined i got 5

#18)subtract: 36-14 i got 22
#19)divide: 12/-4 igot -3
#20)multiply:(10)(6)(-9) i got -540
#21)divide: -12/0 i got 0 or undefined
#22)add: 3/4 + 4/5 i got ig ot 31/20
#23)add: -4/5 + [-3/4] i am lost on this one
#24)evaluate -[-618] those are supposed to be bars instead of brackets
#25)find the reciprocal of (-1/5)(15) once again I am lost on that one. I really appreciate your help.

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