Answer:
864 minutes
Step-by-step explanation:
8 girls can fold 5 paper cranes in minutes = 6
1 girls can fold 5 paper cranes in minutes = \frac{6}{8}
8
6
1 girls can fold 1 paper cranes in minutes = \frac{\frac{6}{8}}{5}
5
8
6
= \frac{6}{30}
30
6
36 girls can fold 1 paper cranes in minutes = \frac{6}{30} \times 36
30
6
×36
36 girls can fold 120 paper cranes in minutes = \frac{6}{30} \times 36 \times 120
30
6
×36×120
36 girls can fold 120 paper cranes in minutes = 864864
Hence 36 girls can fold 120 paper cranes in 864 minutes
Answer:
(2)y²
Step-by-step explanation:
2 x y²
You're on the right track. After you get both equations you need to cancel one of the variables. In this situation, it doesn't matter which variable you cancel out.
The 3rd choice is the correct
if x >0 then f(x) >0 is always true