Answer:
1386cm^2.
Step-by-step explanation:
radius of circle=21cm
area of circle(a)=?
we know,
A=pi r^2
=22/7×(21)^2
=1386cm^2
Answer:
A parabola has the form:
y = a*x^2 + b*x + c
Where a is the leading coefficient.
If a is positive, the parabola opens up.
If a is negative, the parabola opens down.
a is the factor that multiplies the part that grows the fastest in the equation, thus, if a is a larger value (in absolute value) then the parabola will grow faster (then the parabola will be narrow)
if a is smaller (again, in absolute value) the parabola will grow slower, then the parabola will be wider.
With this, we can conclude that:
a = -4
is the largest value of a in absolute value.
Then this corresponds to the thinner parabola (the one at the left)
a = -1
Is the middle value of a, then this corresponds to the graph of the middle
a = -0.25
Is the smallest absolute value of a, then this one corresponds to the widest graph (the first one at the left)
Answer:
4
Step-by-step explanation:
there are a total of 16 home runs
there are a total of 4 teams
divide the homeruns by the teams to get the mean
16÷ 4 = 4
Answer:A: plug it into a online graphing calculator and find the highest point and where it is on the x axis at that point
b: find the highest point and where it is on the y-axis at that point
Step-by-step explanation:
above
Answer:
The value of the middle-most observation is called the median of the data.
First arrange the given numbers in ascending order,
2,2,3,5,7,9,9,10,11
Here n=9, which is odd.
Where, n is the number of the given number.
median = value of
