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professor190 [17]
3 years ago
5

PART 1

Mathematics
1 answer:
Elodia [21]3 years ago
6 0
I don't think giving you the exact answers would help, so here are the formulas:
a^{2}=b^{2}+c^{2}-2bc*cosA

For #1:

We're solving for a.
a^{2}=5^{2}+8^{2}-2*5*8*cos(90)

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Hello please help on these 3 questions with the information at the top please help it's for marks
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Jay, a freelance editor, charges the rates shown in the table below to edit manuscripts. The cost per page increases as the qual
bekas [8.4K]
Gonna do a little subbing here...

for 40 pgs of express proof reading....3 bucks per pg...c = 3
40(3) - 0.05(40(3)) = T
120 - 0.05(120) = T.....120 - 6 = T.....114 = T
so  express proofreading cost 114

for 40 pgs of basic proof reading....c = 3.95
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158 - 0.05(158) = T....158 - 7.9 = T.....150.10
so basic proof reading costs 150.10

for 40 pgs of extended proof reading....c = 5
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200 - 0.05(200) = T....200 - 10 = 190
so extended proof reading is 190

no need to go further....the extended proof reading is gonna be ur answer...the best quality of editing that keeps it at 190

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