Ask your own question, for FREE!
Mathematics 8 Online
OpenStudy (anonymous):

Quick question. Which expression is equivalent to 8a + 14? 2(2a + 12) 4(4a + 10) 4(2a + 8) 2(4a + 7)

OpenStudy (pinklion23):

i can help you

OpenStudy (anonymous):

thank you

OpenStudy (pinklion23):

first lets find out what the original equation equals

OpenStudy (igreen):

Distribute 2 and 4 into the equations.

OpenStudy (pinklion23):

a=1.75

OpenStudy (pinklion23):

so just insert 1.75 for all the equations with a and see what you get

OpenStudy (anonymous):

what do you mean like this? a(4*2)

OpenStudy (mikeymaximum):

D. could work

OpenStudy (anonymous):

the if we distribute that that would be a(2) + a(4) right?

OpenStudy (tkhunny):

For me, it's an eyeball problem. Just look at it and write down the answer. 8 is more than half of 14. No matter what else happens, this relationship should always remain. 2(2a + 12) -- 2 is less than half of 12 - no good. 4(4a + 10) -- 4 is less than half of 10 - no good. 4(2a + 8) -- 2 is less than half of 8 - no good. 2(4a + 7) -- We could have something, here.

OpenStudy (anonymous):

oh ok thank you

OpenStudy (mikeymaximum):

Cuz 2(4a+7) is the same as (2*4a)+(2*7)

OpenStudy (anonymous):

i wish i can give more than 1 medal

OpenStudy (mikeymaximum):

I GAVE U THE ANSWER 1ST

OpenStudy (mikeymaximum):

Can I get it plz

OpenStudy (mikeymaximum):

~BEGGING HANDS~

OpenStudy (mikeymaximum):

HOL UP

OpenStudy (mikeymaximum):

I got an idea

OpenStudy (anonymous):

ok i guess sorry @tkhunny u where of great help

OpenStudy (anonymous):

what is it?

OpenStudy (mikeymaximum):

How about Nerd gives me a medal and I give @tkhunny 1

OpenStudy (anonymous):

ok deal

OpenStudy (igreen):

@tkhunny Didn't you just give him the answer?

OpenStudy (anonymous):

such complications in life xD

OpenStudy (mikeymaximum):

He did indeed, and so did I

OpenStudy (mikeymaximum):

LOLz

OpenStudy (anonymous):

whatever...lol thank you all of you guys i would give you all medals

OpenStudy (pinklion23):

@iGreen i have a question, was 1.75 and everything i said right or was i not explaining it right i really want to know cuz i want to get better at helping people

OpenStudy (anonymous):

@iGreen i got the Chad wants to buy some books over the Internet. Each book costs $10.01 and has a shipping cost of $9.96 per order. If Chad wants to spend no more than $50 for his books, which inequality shows the maximum number of books, p, that he can buy? question wrong

OpenStudy (anonymous):

@iGreen what did we do wrong?

OpenStudy (anonymous):

@iGreen?

OpenStudy (anonymous):

do you have choices for that problem

OpenStudy (anonymous):

9.96p − 10.01p ≤ 50, so p ≤ 1 9.96p + 10.01p ≤ 50, so p ≤ 2 9.96 − 10.01p ≤ 50, so p ≤ 3 9.96 + 10.01p ≤ 50, so p ≤ 4

OpenStudy (anonymous):

we got b but thats not correct

OpenStudy (anonymous):

the wierd marks are

OpenStudy (anonymous):

less than and equil to

OpenStudy (anonymous):

@iGreen

OpenStudy (anonymous):

d

OpenStudy (anonymous):

how is it d?

OpenStudy (anonymous):

because we know that each book is 10.01 so times that by 4 and get 40.04 plus he shipping fee of 9.96 which gives you exactly 50 dollars...the word problem says he doesnt want to spend anything MORE than 50 dollars

OpenStudy (anonymous):

Oh

OpenStudy (anonymous):

with that equation he spends exactly 50 dollars

OpenStudy (igreen):

One question per post.

OpenStudy (anonymous):

does that make sense?

OpenStudy (anonymous):

yes thank you

OpenStudy (anonymous):

no problem if you need more help I am here just ask for me

OpenStudy (anonymous):

ok thank you

OpenStudy (tkhunny):

@iGreen It is a fair question. Two considerations: 1) If several errors have been made, making the whole discussion confusing, I have no problem simply clearing up the whole mess with a thorough solution. 2) If I have an entirely different approach that I think almost certainly was not presented in class or in course materials, I have no problem presenting the whole of the idea. The Code of Conduct says "just give them an answer". There is no proscription for thorough and complete process discussion. It certainly is possible that not everyone will agree with this assessment.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

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