Ratio is the comparison of sizes of two quantities of the same unit. Proportions are the equality of two ratios. A/b =c/d
Answer:
a*2+b*2+c*2+d
Step-by-step explanation:
If i's meant to be Pythagorean theorem, a*a+b*b=c*c
0.004 is the probability of getting exactly 0 tails :)
7x^2 + x -6
You just have to add the same terms x squared + x squared and so on