Answer:
They can make 10 different groups of three.
Step-by-step explanation:
The order in which the people are in the car is not important, so we use the combinations formula to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
How many different groups of three can the five of them make?
Combinations of 3 from a set of 5. So
They can make 10 different groups of three.
Answer:
-7.5x3+(20+2.5)=0
this one is equal to 0 ;)
For the equation,
y = 1/2(x+3)^2 -5
The vertice is (-3,-5). Therefore the axis of symmetry is X = -3.
The radius is half the diameter, so the formula would be r=d divided by 2
Answer:
the answer is 32 to the 3rd power
Step-by-step explanation:
