Find the missing value in the proportion 2/7=x/14 a. 0.02 b. 5 c. 49 d. Find the missing value in the proportion Find the missing value in the proportion 2/7=x/14 a. 0.02 b. 5 c. 49 d. 4 a. 0.02 b. 5 c. 49 d. 4

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x/5+ 1 = 7
Answer:
1/64
Step-by-step explanation:
10 = ½
20 = ¼
30 = ⅛
40 = 1/16
50 = 1/32
60 = 1/64
Answer:
0.015625 left.
Step-by-step explanation:
If we start with say 100g of the material, in 10 years there is 100 * 1/2 =
50g left ( = 0.5 left).
In 20 years there is 100*(1/2)^2 = 25 g left.
In n*10 years there is 100(1/2)^2 g
So in 60 years there is 100(1/2)^6 = 1.5625 g left
This is 1.5625 %
= 0.015625 of the origin material left.
6x + 3y =3
Solve using elimination ?
Answer:
for the first one its x=30
for the second one its x=6
Step-by-step explanation:
its x=30 because at the end if you do the problem yourself, you would have to multiply 5×6 which is 30.
im not sure why its x=6 on that one i might be wrong but i did it but im also confused on it but i tried so yeah maybe it is.