See picture, this one is a little long
Answer:
167.47 cubic metres
Step-by-step explanation:
Volume of a cone is given by where r is radius and h is the height of the cone. Assuming a radius of 4m and height of 10 m then the volume, using 3.14 for will be
V=
Let the number her brother has = x
She has 5 times as many so she has 5x
Together they have 42:
X + 5x = 42
Add x and 5x to get 6x:
6x =42
Divide both sides by 6:
X = 7
The brother has 7
Carla has 5*7 = 35
Answer: Carla has 35 notebooks
Answer:
x = -1/4, y = 5/4.
Step-by-step explanation:
Because of the absolute value equation y = |x - 1| the value of y must be positive.
Solving x - 1 = 3x + 2 :
2x = -3
x = -3/2 and y = -5/2 so x= -3/2 is not a solution.
x - 1 xcan also be negative so we have the equation
- (x - 1) = 3x + 2
1 - x = 3x + 2
-1 = 4x
x = -1/4
y = 1 - - 1/4 = 5/4.
Answer:
Im not sure but i think it is 30.
Step-by-step explanation: