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modeling with mathematics a service center charges a fee of
shown
ch
customer
tak
oats
write a system of linear equations that represents this situation
equation for customer a
22: 45
equation for customer b
find the fee and cost per quart of
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new >
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answer;

the correct answer

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d. vertex

step-by-step explanation:

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step-by-step explanation:

nndncnd cnn

snddnd

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