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Mathematics 19 Online
OpenStudy (anonymous):

MEDAL AND FANS!!! :) A car moved at a constant velocity during the first hour. It stopped for 2 hours at a mall and then moved ahead again at a constant velocity for the next 3 hours. The car finally returned to its starting point with a constant velocity in the next 2.5 hours. Which of the following graphs best represents the car's motion?

OpenStudy (anonymous):

OpenStudy (anonymous):

@undeadknight26

OpenStudy (anonymous):

i think its the first one

OpenStudy (anonymous):

@zaibali.qasmi

undeadknight26 (undeadknight26):

I would say B.

OpenStudy (anonymous):

okay thanks :)

OpenStudy (anonymous):

@undeadknight26 I Agree With You

undeadknight26 (undeadknight26):

Thank you fellow potato :D

OpenStudy (anonymous):

thanks guys *hugs you with death grip* you saved my life

undeadknight26 (undeadknight26):

I do get payed in hugs so thank you fellow cookie :D

OpenStudy (anonymous):

*blushes* your welcome :)

undeadknight26 (undeadknight26):

da cookie blushed XD

OpenStudy (anonymous):

can you help with one more?

undeadknight26 (undeadknight26):

I can try but im in gaming/party/workout/adventure mode...So at any moment i can jump through my window and fight a bear or something...

OpenStudy (anonymous):

oh :)

undeadknight26 (undeadknight26):

Use the formula and plug in one of your answers as a time for X... such as: x + (2x - 10) + 1/2 (2x - 10) = 145 30 + 2(30) - 10) + 1/2 (2(30) - 10 = 145 Does 30 make this formula true?

OpenStudy (anonymous):

ummm......yes?

OpenStudy (anonymous):

@undeadknight26 thank you so much you saved my little retrice! algebra is such a pain i am forever in dept to you :D

OpenStudy (anonymous):

um i ment retricenot retrice

OpenStudy (anonymous):

omg stupid auto correct forget it

OpenStudy (anonymous):

i ment my bum but whatever

undeadknight26 (undeadknight26):

30 + 2(30) - 10) + 1/2 (2(30) - 10 = 145 30 + (60-10) + 1/2(60 - 10) = 145 30 + 50 + 1/2(50) = 145 80 + 1/2(50) = 145 105 = 145 Meaning 30 is not your answer

undeadknight26 (undeadknight26):

Dun think ill make it so easy on ya mate XD

OpenStudy (anonymous):

oopps its 40 right?

undeadknight26 (undeadknight26):

40 + (2(40) - 10) + 1/2 (2(40) - 10) = 145 40 + (80 - 10) + 1/2 (80 - 10) = 145 40 + 70 + 1/2(70) = 145 110 + 35 = 145 145 = 145 You are correct my friend :D

OpenStudy (anonymous):

yay thank you so so so much you have no idea how much this helped me :)

undeadknight26 (undeadknight26):

No problemo mate! You can pay me in hugs XD

OpenStudy (anonymous):

yay *jumps around room yelling i passed* *hugs you so hard you regret asking me that* "SHUT UP" -mom

undeadknight26 (undeadknight26):

o.o What grade are you in mate?

OpenStudy (anonymous):

about to go to 8th i am very hyper in my brain but to lazy to do anything. i like cookies

undeadknight26 (undeadknight26):

I see. Im in 10th grade here mate lol

OpenStudy (anonymous):

ohh thats nice i guess? you will probably hate me but i need help on one more sowwy

OpenStudy (anonymous):

you dont have to help if you are fighting a bear that is more important

undeadknight26 (undeadknight26):

lol nah ill help ya out.

OpenStudy (anonymous):

k thanks Solve for x: 3|2x - 2| + 6 = 18. x = 3, x = -3 x = 3, x = -1 x = 1, x = -1 x = -3, x = 1

undeadknight26 (undeadknight26):

Sorry i am using a graphing calculator for this one because i am lazy and its taking forever to load.

OpenStudy (anonymous):

i did the same thing and got b

undeadknight26 (undeadknight26):

I dunno why its taking so long...I think its my computer itself.

OpenStudy (anonymous):

thats okay you allready helped me enough i dont know how to thank you

undeadknight26 (undeadknight26):

No problem mate. Sorry i couldn't help you with this one...I forgot how to do them XD

undeadknight26 (undeadknight26):

I got it and it said B also :D

undeadknight26 (undeadknight26):

http://www.wolframalpha.com/input/?i=3%7C2x+-+2%7C+%2B+6+%3D+18

OpenStudy (anonymous):

i got it right :) and got an 80 on the test yayayayayay

undeadknight26 (undeadknight26):

alright mate let me go back to gaming now XD

OpenStudy (anonymous):

alright thanks again :)

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