Answer:
Answer: ℝ ℝ ℍ "0:35 ━❍──────── -5:32, ↻ ⊲ Ⅱ ⊳ ↺ VOLUME: ▁▂▃▄▅▆▇ 999%
Step-by-step explanation:
Answer:
B. 5 seconds
Step-by-step explanation:
A graphing calculator shows the answer easily.
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h(t) = 0 = -16t^2 +400
t = √(400/16) = 5
It will take 5 seconds for the sandbag to hit the ground.
You are multiplying 2 to each term each time.
-40 is the 4th term
-40 x 2 = -80
-80 x 2 = - 160
-160 x 2 = -320
-320 x 2 = -640
-640 x 2 = -1280
-1280 x 2 = -2560
-2560 x 2 = -5120
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-5120 is your 11th term.
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hope this helps
Answer:
1
Step-by-step explanation:
9x+5=4(x-2)+8
9x+5=4x-8+8
9x-4x=5
5x=5
x=1