write -9/11 as a rational number with (a) numerator -18 (b) denominator - 55.
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write -9/11 as a rational number with (a) numerator -18 (b) denominator - 55.
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Answer:
a) -18/22
b) 45/-55
Explanation
a) -9/11 = -18/x
by using cross multiplication
-9×x= -18×11
-9x=198
x=198/-9
x=-22
-9/11 =-18/22
b)-9/11=x/-55
by using cross multiplication
-9×55= 11×x
11x= 495
x= 45
-9/11=45/-55
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