nimimimi

5 Questions
0 Answers

0

440

3

+21

Please help on trigonometry question, thanks!

Please look at the picture through the link. The answer that I entered was c1=4/5, c2=3/5, d1=3/5, and d2=4/5. I came up with the conclusion when I drew a right triangle with a hypotenuse of 1 (unit circle) and a leg with 3/5, and another right triangle read more ..

nimimimi Jul 6, 2021

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423

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+21

Please help on math question!

Please look at the image. I already figured out b, which I'm pretty sure is 2pi/3. However, I'm confused on figuring out a. This is what I tried:

y= -2sin(3x)+1
y= -2sin(3*-pi/12)+1 read more ..

nimimimi Jul 4, 2021

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439

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Please help on unit circle question!

Hi, could someone please look at the pic and help me with this unit circle question? Would the correct answer be pi/8, 3pi/8, 5pi/8, and 7pi/8? I'm not sure..... Please help! https://i.stack.imgur.com/U4LAv.png

nimimimi Jun 21, 2021

+1

882

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+21

Help please, thank you!

Consider a six by six grid of unit squares. How many rectangles of area 8 square units can be formed using only the line segments of the grid as the sides of the rectangles? It may be helpful to draw the grid.

Thank you read more ..

nimimimi Sep 6, 2020

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921

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+21

Please help thank you

A train traveling at 100 km an hour takes 3 seconds to enter a tunnel and an additional thirty seconds to pass completely through it. Find the length, in kilometers, of the train. Express your answer as a common fraction. Thank you so much!!!!! read more ..

nimimimi Jul 7, 2020