![subject](/tpl/images/cats/mat.png)
Mathematics, 02.09.2020 01:01 Haileydusenbery
The mean of four numbers is 70. When a fifth number is included, the mean of the five numbers is 80. What is the fifth number?
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Which of these tools or constructions is used to inscribe a hexagon inside a circle?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:50
Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x β y = 3p β q 3x + y = q β 3p x β y = p β q x + y = q β p
Answers: 1
You know the right answer?
The mean of four numbers is 70. When a fifth number is included, the mean of the five numbers is 80....
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 19:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 19:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 19:30
![question](/tpl/images/cats/mkx.png)
Arts, 06.11.2020 19:30
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 19:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 06.11.2020 19:30
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 19:30
![question](/tpl/images/cats/himiya.png)
Chemistry, 06.11.2020 19:30
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 19:30