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inessss [21]
3 years ago
6

Evaluate 1x + y, for x = 8 and y=-15. 7 -7 23 -23

Mathematics
1 answer:
statuscvo [17]3 years ago
5 0

Answer:

B) -7

Step-by-step explanation:

x+y

8+(-15)=8-15=-7

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A lighthouse is located on an island 200 feet from the shore of the mainland as
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Answer: Approximately d = 208.72

============================================================

Work Shown:

Make sure your calculator is in radian mode

A quick way to check is to compute cos(pi) and you should get -1

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d = 200/cos(0.29)

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I rounded to two decimal places since x is rounded in that manner as well. Round however else you need if your teacher instructs.

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