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Mathematics 21 Online
OpenStudy (anonymous):

Which equation is true!?

OpenStudy (anonymous):

hero (hero):

Second answer choice

hero (hero):

Sorry that it took so long.

hero (hero):

It was a tricky one

OpenStudy (anonymous):

thank you :D ready for the next? & no problem its fine!

hero (hero):

Yes

OpenStudy (anonymous):

thank you for your help, here's the next, question 11.

OpenStudy (anonymous):

or ill just post it as a new question if you'd like

hero (hero):

I got it

OpenStudy (anonymous):

someone said a, is that correct?

hero (hero):

Yes

hero (hero):

Correct

hero (hero):

I was just about to answer that

OpenStudy (anonymous):

okay :D number 12,

hero (hero):

1/2

hero (hero):

How many more of these do you have?

OpenStudy (anonymous):

there's 2o questions, you just answered number 12.

hero (hero):

Yeah, these are very interesting questions

OpenStudy (anonymous):

haha im sorry! its my final exam.

hero (hero):

Yeah, I can tell.

OpenStudy (anonymous):

here is number 13,

hero (hero):

It seems like a final

hero (hero):

It's like they took all of the hardest questions and put it on one test

OpenStudy (anonymous):

i think so too

hero (hero):

the other side is 4 feet I should have known by just looking at it since it is a 45-45-90 Both legs will be the same in this case

hero (hero):

Thank you Heiley for helping me brush up on my trig

OpenStudy (anonymous):

haha this is geometry!!!!! i guess its mixed with trig cause everyone keeps saying its trig lol

hero (hero):

It IS Trig :D

OpenStudy (anonymous):

here is number 14

OpenStudy (anonymous):

no wonder i don't understand it lol

hero (hero):

Geometry class...trig problems

OpenStudy (anonymous):

yikes -___-

hero (hero):

34.64

OpenStudy (anonymous):

thank you so much :) here's 15

hero (hero):

120

OpenStudy (anonymous):

thank you :D 16:

hero (hero):

How on Earth did you make it to the final???? NVM...I don't even want to know, lol

OpenStudy (anonymous):

hahahahhahahahaa ive done bad so i need the rest of the year to be amazing grades to pass lol

hero (hero):

60

hero (hero):

I can't imagine what you would have done without OS

OpenStudy (anonymous):

i just found this site yesterday! haha

hero (hero):

You must have been searching really hard

OpenStudy (anonymous):

17:

hero (hero):

Just in time for the final!

OpenStudy (anonymous):

i typed in something in google for school and this popped up!!!!! i was like ohmygod where has this been lol, but yeah. this is only the final for the last unit of the first semester. i still have to take a semester final lol

hero (hero):

7cot(55°)

OpenStudy (anonymous):

so, A?

hero (hero):

You're lucky it exists Yes A

OpenStudy (anonymous):

i know, and to have people like you to help me!!

hero (hero):

I had nothing like this when I was in HS

OpenStudy (anonymous):

18:

hero (hero):

I had to do everything by hand. No calculators...nothing

hero (hero):

No internet

hero (hero):

:o(

OpenStudy (anonymous):

haha oh god thats why youre so smart

hero (hero):

1.4

hero (hero):

I'm not half as smart as some of these other people. They're much quicker than me

OpenStudy (anonymous):

this is 19, and please tell me how you got it and everything because I have to type it out -__-

OpenStudy (anonymous):

still very helpful though, gracias for that

hero (hero):

1. Label the unknown side x 2. Because the logo has to be in the shape of a right triangle, use pythagorean theorem to assist with finding x: a^2 + b^2 = c^2 3. Let a = x, b = 20, and c = 29: x^2 + 20^2 = 29^2 4. Solve for x: x^2 = 29^2 - 20^2 x^2 = 841 - 400 x^2 = 441 x = 21 Annie is correct

OpenStudy (anonymous):

THANK YOU SO MUCH! okay, last one for my unit 4 exam!!!!

hero (hero):

Let the distance between the sun and the moon equal z. Then sin(x°) = y/z and z = y/sin(x°) Therefore, the distance between the sun and the moon can be calculated using side y and the sin of x degrees.

hero (hero):

That should be good enough

hero (hero):

Do you find out immediately what your results are?

OpenStudy (anonymous):

for the multiple choice questions yes, but the others have to be physically graded by my teacher which takes a day or two so i wont know my overall score yet.

hero (hero):

Well, let's find out what you got :D

OpenStudy (anonymous):

okay one sec im typing it in lol

hero (hero):

You could have copied/pasted instead of typing

OpenStudy (anonymous):

oh, nevermind it says since it's an exam she has to grade the entire thing :/ i will let you know when it is graded though!

hero (hero):

Hmmm, okay

hero (hero):

I'm nervous

OpenStudy (anonymous):

i'll show you, one sec

OpenStudy (anonymous):

so am i haha see it says unit 4 exam, grading, 19 percent of my grade.

hero (hero):

That didn't really tell me anything

OpenStudy (anonymous):

i have more but i wont bother you any more tonight haha. what time do you usually get on here?

OpenStudy (anonymous):

no i know, i was just showing you how its being graded, not already graded.

hero (hero):

This would work a lot better if you had skype

OpenStudy (anonymous):

how?

hero (hero):

Because I could input answers quicker and you could observe how I approach answering the questions

OpenStudy (anonymous):

like, on video or in the text box

hero (hero):

Text box, voice, and twiddla (online whiteboard)

hero (hero):

No video necessary :D

OpenStudy (anonymous):

never heard of the twiddla, but i do have a skype account if i could remember the password and information lol

hero (hero):

Try it. If not you can always create another account

OpenStudy (anonymous):

alright i will. do you go to work or school? when would you be able to help me.

hero (hero):

I'm in school, but not this month, so I have extra time on my hands. That's another good feature of Skype. You can contact me anytime and I would get your message

hero (hero):

I always carry my mini laptop with me

hero (hero):

Except for days when I go running

OpenStudy (anonymous):

oh gotcha, okay well when is the soonest you would be able to help me

hero (hero):

Oh, yeah, I can help you tomorrow. Well...what is the exam going to be on?

hero (hero):

Or what is the next topic rather..

OpenStudy (anonymous):

i dont have another exam until i do a few more quizzes. the next quiz due is called here's johnny? lol let me look at it

OpenStudy (anonymous):

crap, i cannot look at it until i complete the unit 5 pretest, which im not going to bother you with the questions since theres so many of them and it doesnt count as a grade.

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Join our real-time social learning platform and learn together with your friends!