Answer:
Jay did.
Step-by-step explanation:
Jay ate 2/3 of a pizza, while Darrell ate 2/4
2/3 is greater, like 6/9, but, 2/4 is only half, like 4.5/9
12/15=8/(x-4)
12(x-4)=8(12)
12x-48=96
12x=144
x=12
The formula to find the discriminant equals D = b^2-4ac.
(Quadratic equations have the formula ax^2+bx+c. A = -1, B = +4, C = -2.)
D = 4^2-4(-1)(-2). 8-8 = 0.
0 = 1 solution
-D = 0 solutions
+D = 2 solutions
The discriminant equals 0, also establishing that if you were asked to find the solutions, there would only be one.
Answer:
A) Barnsboro Bank has more variation.
Step-by-step explanation:
Coefficient of Variation:
The coefficient of variation is given by the division of the standard deviation by the mean.
In this question:
The account balance with the highest coefficient of variation has more variation.
Barnsboro National Bank shows an average account balance of $315 with a standard deviation of $87.
So

Wellington Savings and Loan shows an average account balance of $8350 with a standard deviation of $1800.
So

Barnsboro Bank has the higher cv, so more variation, and the answer is given by option A.
Answer:
21378.6
Step-by-step explanation:
You move the decimal point four places towards the right.