Hey!
This could be rewritten as:
2x + 1 + 5x
We can add like terms together:
7x + 1
Umm, surface area of a cube = 6e^2 (six edge square) which is 6(3)sqaure = 54
Answer:
3 3/8 seconds.
Step-by-step explanation:
When it reaches the ground h = 0 so:
54t - 16t^2 = 0
16t^2 - 54t = 0
2t(8t - 27) = 0
t = 0 or t = 27/8 (we ignore the t = 0 ) so:
t = 3 3/8 seconds.
Your answer is D. x = -0.376!
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Answer To Question (A)
4.9 lb of zinc produce 8:5:7
Answer To Question (B)
You'll need 1.7 pounds of zinc and copper in a ratio of 2:7:9.
Hope That Helps ;)
