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garik1379 [7]
3 years ago
9

Please help me, I am so confused. Thanks​

Mathematics
1 answer:
miskamm [114]3 years ago
8 0

Answer:

c. 80

Step-by-step explanation:

cos x = sin(x-70)

cos x = cos [90-(x-70)]

cos x = cos (90-x +70)

cos x = cos 160 -x

x= 160-x

2x = 160

x =80

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Read 2 more answers
Please answer quick and show work !
Sedbober [7]

Answer: $293.28

Step-by-step explanation:

We know that 282 is the 100% price tag on the bicycle. And there is a 4% tax applied to the 282. So we need to find out how much is 4% of 282.

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do a cross over where you end up with this:


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282 (4) /100 = x


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so now we know 4% of 282 is $11.28 so we add it to know how much does this person pay.


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