House of coffee charges $14.99 per pound for its gourmet coffee and offers a $2.50 off coupon toward the total purchase. the brew master charges $13.49 per pound for its gourmet coffee and offers a $1.00 off coupon good towards the total purchase. write an inequality that can be used to determine the number of pounds of coffee one must purchase from brew master in order to save money

(23*2)-12=x     x=34

step-by-step explanation:

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

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