Mathematics, 14.02.2021 08:30 epmeche05
Riko threw a softball into the air from a height of 2 m.
The graph shows the height of the ball over time.
12
10
Height (meters)
3
1 2
Time (seconds)
About how much time passed before the ball reached its
maximum height?
11.75 s B 1.50 s
3.14 s D 2.25 s
What’s the answer?
Answers: 3
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Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)
Answers: 1
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Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)
Answers: 1
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The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
Riko threw a softball into the air from a height of 2 m.
The graph shows the height of the ball ove...
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