Hello:
x²+3x-2 = 0
delta = b²-4ac a=1 b = 3 c = -2
delta =(3)²-4(1)(-2) =17 =(<span>√17)²
</span><span>x = −3±√17/2</span>
The answer would be standard deviation.
Answer:
3/4 or 3:4
Step-by-step explanation:
To express this as a ratio, we simply place 15 over 20
mathematically that would be;
15/20
divide numerator and denominator by 5
= 3/4
Answer:
5
Step-by-step explanation:
Put 3 where x is and do the arithmetic.
f(x) = 2x -1
f(3) = 2·3 -1 = 6-1
f(3) = 5
Answer:
v=1/x
Step-by-step explanation:
