Joe has some pocket money. He spends 90% of it. He has 50p left. How much pocket money did he have?
2 answers:
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Answer:
Initial height or what the ball was originally bounced from a height of 9 feet
Step-by-step explanation:
9 represents the height that the ball was originally bounced from.
If you plug in 0 for into
, you get:
.
9 feet is the initial height since that is what happens at time zero.