Mathematics, 01.06.2020 00:57 bob5266
The mean age of 5 people in a room is 32 years.
A person enters the room.
The mean age is now 36.
What is the age of the person who entered the room?
Answers: 1
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Which graph shows a function with a range of all real numbers greater than or equal to -1
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Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2
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Mathematics, 21.06.2019 19:30
The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section
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Mathematics, 21.06.2019 19:30
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
The mean age of 5 people in a room is 32 years.
A person enters the room.
The mean age i...
A person enters the room.
The mean age i...
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