There are 90 students in Grade 5, and 10% of them were absent today.In Grade 6, 15% of the 80 students were absent today.What wa
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Answer:
t = 2 s and t = 4 s
Step-by-step explanation:
A ball is projected upward from ground level. After t seconds, it’s height in feet is a function defined by,
We need to find in how many seconds will the rocket be at a height of 128 ft above the ground.
It means,
So, it will be at a height of 128 feet at 2 second and 4 second.