Answer:
Option D is right
Step-by-step explanation:
Given that the average core for a class of 28 students taking a calculus midterm exam was 72%
Parameters are numbers that summarize data for an entire population. Statistics are numbers that summarize data from a sample, i.e. some subset of the entire population.
From the above we see that the measurements pertaining to samples are statistics.
Thus 72 is a statistic
Option D is right
Answer:
no it is 3/4 durrrrrrr what grade are you in
you can write it like: four hundred twenty nine
and you can write it in expanded form: 400+20+9
hope that helps :)
Answer:
The dimensions are 9m by 18 m
Step-by-step explanation:
The perimeter will be
x+y+x for the three sides ( the wall is the fourth side)
2x+y = 36
Solving for y
y = 36-2x
The area is x*y and we want it maxed
A =x( 36-2x)
36x-2x^2
Taking the derivative
dA /dx = 36 - 2 * 2x
Setting this equal to zero to find the max
0 = 36 - 4x
4x = 36
Divide by 4
x = 36/4
x = 9
Now find y
y = 36-2x
y = 36 - 2*9
y = 36 - 18
= 18
The dimensions are 9m by 18 m
