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Mathematics 21 Online
OpenStudy (anonymous):

Suppose that the sum of two whole numbers is 8, and the sum of their reciprocals is 2/3. Find the numbers.

OpenStudy (anonymous):

2 and 6

OpenStudy (anonymous):

thank you!! can you help me with 2 other questions just li ke this?

OpenStudy (anonymous):

if i can

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

Suppose that the sum of two numbers is 16, and the sum of their squares is 178. Find the numbers.

OpenStudy (anonymous):

13 and 3

OpenStudy (anonymous):

it was right! ok, and the last question is just like this - Find two numbers such that their sum is 12 and their product is 26.

OpenStudy (anonymous):

you sure it's 26?

OpenStudy (anonymous):

Yep. It says it exactly.

OpenStudy (anonymous):

it might not be a whole number, if that helps. It might not be, but I'm not sure.

OpenStudy (anonymous):

it's definitely not a whole number

OpenStudy (anonymous):

wait i got it hold on

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

6+sqrt(10) is one of the numbers, the other one you just do 12-(6+sqrt(10))

OpenStudy (anonymous):

it said it was wrong :(

OpenStudy (anonymous):

which number is smaller and which is larger, btw?

OpenStudy (anonymous):

hmm hold on

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

the numbers i gave up add up to 12 and multiply to 26...

OpenStudy (anonymous):

hmm...

OpenStudy (anonymous):

which number is smaller and which number is bigger again?

OpenStudy (anonymous):

6+sqrt(10) is bigger

OpenStudy (anonymous):

ok, that it now says that 6+sqrt(10) is correct, but the other one is still wrong

OpenStudy (anonymous):

the only clue I have is that the other answer is a smaller value

OpenStudy (anonymous):

you just do 12-(6+sqrt(10)). which is 6-sqrt(10)

OpenStudy (anonymous):

oh ok. I originally put in the whole 12 - 6

OpenStudy (anonymous):

thank you so much!! you helped me majorly.

OpenStudy (anonymous):

I already gave you best answer + became a fan. would you want anything else?

OpenStudy (anonymous):

answer my physics question

OpenStudy (anonymous):

Well.. i don't know anything about physics..

OpenStudy (anonymous):

its ok i was kidding

OpenStudy (anonymous):

lmfao

OpenStudy (anonymous):

I have other questions I was going to post in another post.. I definitely understand if you don't want to help anymore, but if you aren't doing anything or won't mind, can I ask more questions?

OpenStudy (anonymous):

i'll see what i can do

OpenStudy (anonymous):

thank you so much.

OpenStudy (anonymous):

The length of a rectangular floor is 3 meters less than three times its width. If a diagonal of the rectangle is 13 meters, find the length and width of the floor.

OpenStudy (anonymous):

lenth:12. width:5

OpenStudy (anonymous):

Yes! It was right :)

OpenStudy (anonymous):

I have 1 just like this, and then other problems that are similar but not the same general type of problem

OpenStudy (anonymous):

The perimeter of a rectangle is 44 inches, and its area is 120 square inches. Find the length and width of the rectangle.

OpenStudy (anonymous):

are you still here?

OpenStudy (anonymous):

length is 12 width is 10

OpenStudy (anonymous):

It was right! I have 4 more problems, and its perfectly fine if you dont want to help with all of them. I'm already grateful.

OpenStudy (anonymous):

Set up an equation and solve the problem. Larry's time to travel 357 miles is 3 hours more than Terrell's time to travel 212 miles. Terrell drove 2 miles per hour faster than Larry. How fast did each one travel?

OpenStudy (anonymous):

are you still here?

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