Inequalities — Unit test Answers
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1
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Which is the solution set of the compound inequality and
A
Negative 2 less-than x less-than 3 and three-quarters
B
Negative 2 less-than x less-than 6
C
2 less-than x less-than 6
D
2 less-than x less-than 3 and three-quarters
2
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Two-fifths of one less than a number is less than three-fifths of one more than that number. What numbers are in the solution set of this problem?
A
x less-than negative 5
B
x greater-than negative 5
C
x greater-than negative 1
D
x less-than negative 1
3
Eight less than four times a number is less than 56. What are the possible values of that number?
A
x less-than 12
B
x greater-than 12
C
x less-than 16
D
x greater-than 16
4
Five times the sum of a number and 27 is greater than or equal to six times the sum of that number and 26. What is the solution set of this problem?
A
(negative infinity, negative 21)
B
(negative infinity, negative 21 right-bracket
C
Left-bracket negative 21, positive infinity)
D
(21, positive infinity)
5
Anastasia uses the equation p = 0.7(rh + b) to estimate the amount of take-home pay, p, for h hours worked at a rate of r dollars per hour and any bonus received, b.
A
h = (– b)÷ r
B
h = – b ÷ rC
h = ÷ r – b
D
h = ÷ r
6
The formula to convert °F to °C is C = (F – 32).Convert 50°C to °F.
A
10°FB
20°FC
122°FD
132°FDid you find these answers helpful?
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