Answer:
1.) -4
2.) 3
3.) 4
If you need a little extra help knowing what to do with these problems, you should draw a number line that includes negative and positive numbers. You can count along the number line. It's a good visual aid.
100, because, x^2 - 20x + 100 = ( x - 10 )^2;
Answer:
2^5
Step-by-step explanation:
1^10 = 1 (1*1*1*1*1....)
5^2 = 25 (5*5)
2^5 = 32 (2*2*2*2*2)
3^3 = 27 (3*3*3)
Answer:
Step-by-step explanation:
By definition we know that
and
As 
Then
Now square both sides of the equation:
In the second quadrant sin (t) is positive. Then we take the positive root
