subject
Mathematics, 21.01.2021 23:40 Thejollyhellhound20

Sarah kicked a soccer ball into the air with an initial upward velocity of 48 feet

per second. The height in feet of the ball above the ground can be modeled by h = –16t^2 + 48t , where t is the time in seconds after Sarah kicked the ball.

a. How long was the ball in the air before it returned to the ground?
b. Find the height of the ball after 2 seconds.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.
Answers: 3
question
Mathematics, 21.06.2019 16:50
Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
question
Mathematics, 21.06.2019 20:30
The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent
Answers: 1
question
Mathematics, 21.06.2019 21:30
Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?
Answers: 1
You know the right answer?
Sarah kicked a soccer ball into the air with an initial upward velocity of 48 feet

per se...
Questions
question
Mathematics, 24.06.2019 19:30
Questions on the website: 13722367