The mean age of 5 peoplein a room is
36 years
A person enters the room.
The mean age is...
Mathematics, 15.06.2021 18:50 crystalryan3797
The mean age of 5 peoplein a room is
36 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
Mathematics, 21.06.2019 19:30
The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?
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Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14
Answers: 1
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Mathematics, 22.06.2019 02:30
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