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olga nikolaevna [1]
3 years ago
9

Please HELP! A. B. C. D

Mathematics
1 answer:
pickupchik [31]3 years ago
3 0

Answer:

if that line follows y=mx...then answer is A

But it seems not....when we divided valuse like 60/2=30

75/3=25....

ratio is not the same

Its hard to tell....You must know exact cordinations

I can tell you this

I can say this if y=60 and x=2 and....y=120 and x=4...then it is propotional...but it seems not..

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Find the area of the parallelogram.
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14.4 km²

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uysha [10]
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Find the function value. tan495°
inysia [295]

Answer: -1

Step-by-step explanation:

You want to find an angle that is coterminal to 495. So, subtract 360 degrees until youre in the range of 0-360. I got 495 - 360 = 135°

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This next part is hard to explain to someone who doesnt know their trig circle, idk if you do. The angle 135 is apart of the pi/4 gang. So we know this is going to be some variant of √2/2. Sine of quadrant 1 and 2 is gonna be positive:

sin135=\frac{\sqrt{2} }{2}

Now lets do cosine of 135°, which again is apart of the pi/4 gang because its divisible by 45°. Its in quadrant 2 so the cosine will be negative.

cos135=-\frac{\sqrt{2} }{2}

The final step is to divide them. They are both fractions so you should multiply by the reciprocal.

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7 0
3 years ago
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Alenkasestr [34]

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4 0
4 years ago
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