Which choices are correct when determining the distance between −240 and −35 on a number line? A) |240 − 35| = 205

B) |−240 − (−35| = 205

C) −|−240 − (−35| = −205

D) |240 + 35| = 275

E) Distance is always positive.

a) 0

step-by-step explanation:

i^413 x i^0 = 0 as any number multiplied by a zero is

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answer: cos [   arcsin (3/5) - arccos (1/2) ] =

step-by-step explanation: × = 3/5 = 0.6--> x = 36.87 and x = 180 - 36.87 = 143.13 deg

cos y = 1/2 --> y = +- 60 deg a. cos (x - y) = cos (143.13 - 60) = cos 83,13  

=

0.12

b. cos (36.87 - 60) = cos (-23.23) = 0.92