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Salsk061 [2.6K]
3 years ago
14

You are given that sin(a)=8/17, with a in quadrant ii, and sin(b)=−5/13, with b in quadrant iii. find cos(a−b)

Mathematics
1 answer:
masha68 [24]3 years ago
5 0
1.5 is the answer too your question sir thanks.
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Can help me with both of these questions plz guys
Ad libitum [116K]

Answer:

1:4

1:3

Step-by-step explanation:

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Ellen is playing a video game in which she captures butterflies. There are 5 butterflies onscreen, but the number of butterflies
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3 years ago
$290, 12.5%, 6 months
Veronika [31]
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3 0
3 years ago
An artist used a scale factor of 1 in=8 ft to create a model of a building. if the actual building has a height of 64 feet, how
nalin [4]

Answer:

<em>Okay, so what I think you mean to ask what the scale factor between the model and actual building</em> is, so i crunched the numbers. if 1 in equaled 8 feet and the actual thing was 64 ft, then we can just say that 64 divided by 12 is 5.3, so the model could be

5.3 ft. is the size of the model

BUT

you said how many feet are they apart so in inches its 705, in ft its 58.75

Step-by-step explanation:

a foot is 12 in.

64/12 is 5.3

64 ft is 768 inches, and 5.3 is 63.

768-63 = 705.

there are 705 inches in difference, in feet its 58.75

8 0
2 years ago
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Gre4nikov [31]
A right angles is 90 degrees, which means that 90-55= x
x = 35 degrees
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3 years ago
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