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Mathematics 11 Online
OpenStudy (anonymous):

Which ratio can be used to form a proportion with the given ratio? 8 to 12 A. 6 to 9 B. 10 to 14 C. 12 to 16 D. 64 to 144 @hugsnotughs

OpenStudy (anonymous):

A

OpenStudy (anonymous):

thx can u help with more?

OpenStudy (anonymous):

If it's quick.

OpenStudy (anonymous):

ya it is

OpenStudy (anonymous):

@Koikkara

OpenStudy (anonymous):

There are 10 boys and 8 girls on the cross-country team. The ratio of boys to girls participating in track and field is proportional to the ratio of boys to girls on the cross-country team. Which could be the number of boys and girls participating in track and field? A. 12 boys and 10 girls B. 14 boys and 12 girls C. 15 boys and 12 girls D. 16 boys and 14 girls

OpenStudy (anonymous):

C

OpenStudy (anonymous):

thx

OpenStudy (anonymous):

no prob

OpenStudy (anonymous):

Use division to determine whether the ratios form a proportion. 12 : 44 and 3 : 11 A. No. They do not form a proportion. B. Yes. They form a proportion.

OpenStudy (anonymous):

Yes

OpenStudy (anonymous):

ok

OpenStudy (koikkara):

Hey, as we are not supposed to give out answers right awaqy it is far appreciated to give out links or just help if they can, so just ref: http://mathforum.org/library/drmath/view/64554.html which might help a lot !

OpenStudy (anonymous):

Which pair of ratios form a proportion? A. 3 : 4 and 4 : 5 B. 10 : 12 and 16 : 18 C. 7 : 10 and 10 : 14 D. 5 : 8 and 20 : 32

OpenStudy (anonymous):

Just divide both sets of numbers, and if they both equal the same thing, it's a proportion. I want you to try first.

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

c

OpenStudy (anonymous):

No, one side equals .7, and the other does not.

OpenStudy (anonymous):

oh i mean b

OpenStudy (anonymous):

5/8=.625 20/32=.625 Do you get it?

OpenStudy (anonymous):

So, the correct answer is D.

OpenStudy (anonymous):

oh yes ty and to show my appreciation i made this

OpenStudy (anonymous):

:D

OpenStudy (anonymous):

@OrangeMaster

OpenStudy (anonymous):

:D Tat was very awesome.

OpenStudy (anonymous):

*That

OpenStudy (anonymous):

ty i do this to everyone who helps me

OpenStudy (anonymous):

ok bye bye!!!

OpenStudy (anonymous):

bye :)

OpenStudy (anonymous):

:)

OpenStudy (anonymous):

@hugsnotughs tis for ju ;D

OpenStudy (hugsnotughs):

Aw, thanks. :')

OpenStudy (anonymous):

np ;p

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