math
posted by annabelle
can someone answer these ive been stuck on them for almost 2 hours !!!!!
1.which pair of ratio form a proportion? choose all that apply.
A. 1/6, 4/20
B. 7/9, 28/36
C. 14/18, 21/27
D. 30/80, 8/18
2.which pair of ratios does not form a proportion?
A. 3/5, 24/40
B. 30/10, 15/3
C. 9/14, 3/4
D. 7/12, 14/24
3.for which value of m is 4/16=m/24 a proportion?
A. m=6
B. m=8
C. m=12
D. m=14

Damon
(7/9)(4/4) = 28/36
14/18 (3/2 / 3/2) = 21/27
The easy way is to use your calculator, for example 14/18 = .777777..... and 21/27 =.77777.....
but
30/80 = .375 and 8/18 = .4444...
2.
3*6 = 24 but 5*6 = 30 not 40
30/2 = 15 but 10/5 = 5 not 3
14/3 no way
but
7*2 = 14 and 12*2 = 24 YES
3.
16 m = 4*24
m = 6
check
4/16 = 1/4
6/24 = 1/4 yes 
Julio
1. is b and c

Yo tengo
1. b., c.
2.c
3.a
4.d
5.b 
Anonymous
Nice name YO TENGO BUT DO YOU KNOW DA WEY

Anonymous
Nice name YO TENGO BUT DO YOU KNOW DA WEY

M'name (is) Jeff!
Yo Tengo's right! Thanks, dude! :)

Yo Tengo
Yes Bradda, Da Wey is dis wey.

khalissi
thanks yo tengo

Yo tengo
No problem friend

blorp
Gotta love Flamingo

struggles
thanks Yo Tengo

Yo tengo
@Blorp Of course, My good sir. Yo tengo to you. @struggles no problem, just helping out other kids who like to be bad and not learn anything (Im including myself so dont get mad at this comment) :D
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