Lets check...
42/56 = 56/64
cross multiply
(56)(56) = (42)(64)
3136 = 2688...(incorrect)...these are not proportional
proportions are nothing but equivalent fractions
42/56 = 3/4
56/64 = 7/8
as u can see, they are not equivalent fractions...so they are not proportional
4y-y is NOT equivalent to 4.
4 is multiplied by 'y', and then 'y' is subtracted from that equation. Even if y=1, your equation would look like 4x1-1=3.
Hope that made sense:)
Answer:
130 minutes
Step-by-step explanation:
Expression:
y = 1.80x + 30
264 = 1.80x + 30
234 = 1.8x
324/1.8 = x
130 = x
Ya Boy danced for 2 hours
Answer:
it should be : x²= 15²+8²
x²= 225+64
x²=289
x=√289
x=17
