Answer:
principal square root
Step-by-step explanation:
Let
.
Then 
We have a negative square root for x, which is
and a nonnegative square root,which is 
The nonnegative square root is callled the principal square root .
Therefore the best complete to the statement;
A -------- is the nonnegative Square root of a number, is principal square root.
If 3c+4d=2 then c=(2-4d)/3
And if you put that into the other equation

Then you multiply everything by 3, getting

And then

Leaving

I dont have a calc with me right now but you just pot this into the calculator:

And when you get the number you insert it into the nest eqation to get c

So basically
Answer:
Correct option is B.
Step-by-step explanation:
Given the radius of circle and the angle in sector we have to find the area of shaded region i.e minor sector.
∴ Area of sector is
Correct option is B.
Answer:
1500 students
Step-by-step explanation:
Divide the number of blonde students by the percentage they are of the school.
225/0.15 = 1500
The total number of students in your school is 1500.
Answer:
Least number of people: 6,240
Greatest number of people: 6760
Step-by-step explanation:
4% of 6500 is 260
6500 - 260 = 6240
6500 + 260 = 6760