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Mathematics 60 Online
kaylak:

help @hero

kaylak:

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kaylak:

3 c ?

Hero:

Okay, so what work did you do to get c as your answer?

kaylak:

terminal-initial

Hero:

Would you mind posting your steps here please?

kaylak:

d nevermind

Hero:

Why are you changing your answer now? I just wanted to see your steps.

kaylak:

because 1- -4=5 keep change opposite rule and 3-6=-3

kaylak:

what's 4?

kaylak:

@Shadow @Hero

kaylak:

@Hero you there?

Hero:

Yep, I'm here. Just a bit preoccupied which is why I did not want to "take over" for Vocaloid in the first place.

Hero:

I haven't been on here helping in a long while.

kaylak:

I know lol I'm always here

kaylak:

could you at least help me on last question and I'll try and figure out rest and come back if I need help?

kaylak:

i think 4 is b

Hero:

What work did you do to get B? Would you mind posting your steps here?

kaylak:

I just added

Hero:

You just added? Added WHAT? Adding is not only thing you do here obviously.

kaylak:

1600+6300 iwould have to go back to my closed post to see what voca said

Hero:

No, that's not correct. You have to find the sum of the squares of 1600 and 6300. Then find the root of that result

kaylak:

ok hold on

Hero:

Then after that, convert ft to miles to see if it is greater than or less than 1.5

Hero:

If it is greater, then it is a discounted rate.

kaylak:

or just seeif it passes 7920

Hero:

Yes.

kaylak:

i got a

Hero:

Mind showing the work you did to get that result?

kaylak:

1600^2 +6300^2 and squared that

Hero:

You found the squares of 1600 and 6300 added them then squared AGAIN?

kaylak:

that's what you said okay the "root" but I got 6500

kaylak:

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Hero:

Okay, if that's what you got, we'll assume it is correct. I'm too lazy to calculate anything right now.

Hero:

Yep, if that's what you got, then A must be correct.

kaylak:

it was ty I post more if I need help

Hero:

How did you save those calculations in memory? I was using that same calculator and I angry that I couldn't calculate the entire process in just one step.

kaylak:

if you enlarge it you see everything

Hero:

I'll take a look later. But good job on this one.

kaylak:

I may need help again give me like 10 minutes gotta go do a couple things first

Hero:

I'll probably be sleep in 10 minutes. What are you working on?

kaylak:

sorry was busy and more vectors

kaylak:

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kaylak:

@Hero

Hero:

Okay, I'll help you, but this is probably going to be it for me after this.

Hero:

Question: Have you attempted to do the first one? Do you have an answer? If so, what work did you do to arrive at your result?

kaylak:

did second and got b by terminal-initial and then v-u

kaylak:

d then for 1 because without 2u u is just 1,2 ?

Hero:

Okay, we can start with the first one. So yes D is correct. I'll verify the second one

kaylak:

yay 3 i'm a bit confused

kaylak:

?

Hero:

Yes, The first 2 are correct. Now on to the last one

kaylak:

yay

Hero:

So the last one, you have to set it up like this: |dw:1522699943107:dw| So the Resultant is going to be SW. Now you just have to calculate the magnitude.

kaylak:

how would I do that again

Hero:

Square the components, add them. Root the result

kaylak:

its c

Hero:

Okay, I believe you

kaylak:

b?

1 attachment
Hero:

Correct. b is the only possible result because u and v are the components and w is the resultant.

kaylak:

I think I am getting the hang of this. Are these correct?

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Hero:

I'm glad you're getting the hang of it because I have to go now. I'm confidence once again in your abilities. You're a good student. But just remember to check your answers.

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