Really need help with these maths questions.
...
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 12:30
Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 13:30
2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 26.11.2020 07:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 26.11.2020 07:00
![question](/tpl/images/cats/mir.png)
World Languages, 26.11.2020 07:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 26.11.2020 07:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 26.11.2020 07:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 26.11.2020 07:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 26.11.2020 07:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
Health, 26.11.2020 07:00