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MTH 208 Week 1 Individual Assignment

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Week 1 Individual Assignment
A)
50. The set of real numbers less than or equal to -4.
(-∞, -4)
94. Absolute value greater than 1?
-4, -3, -2, 2, 3, and 4.
100. The set of real number greater than or equal to -40 and less than or equal to -30.
110. a) –a. negative number. b) |-a| Absolute value is positive.
c) -|a| negative because you are making negative the absolute value.
d) –(-a) positive because a negative times a negative makes a positive
e) -|-a| negative because you are making an absolute value negative.
B)
18. 5/7 = ?/98
5*14 7*14
70/98
5/7 = 70/98
86. 19/20
19 * 5 = 95
20* 5 = 100
95%
19/ 2 = 9.5
20/2 = 10
0.95
19/20 = 95% = .95
104. 9/16 – 1/12
9*3 = 27 16*3 = 48
1*4 = 4 12*4 = 48
27-4 = 23
= 23/48
-7 -6 -5 -4 -3 -2 -1 0 1 2
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