The first blank is Distributive Property.
The second blank is Combine like terms.
The third blank is Addition Property of Order
The question is not complete and i have attached. It's the first image.
Answer:
A) The random variables X and Y are not independent
B) E(X) = 5/8 ; E(Y) = 5/8 ; E(X+Y) = 5/4 ; E(XY) = 3/8
C) E(X²) = 7/15 ; E(Y²) = 7/15 ; Var (X) = 73/960 ; Var(Y) = 73/960 ; Cov(X, Y) = - 1/64
D) Var(X+Y) = 29/240
Step-by-step explanation:
I have attached all explanations.
Hello there!
By converting 7,200 yards into miles, 7,200 yards would be 4 miles.
But to really give you the correct answer, it would actually be 4.(090909). This extra part would basically almost be known as 1.
So, it would be 4.1 miles.
I hope this helps you!
Think: If we go from A to B, x decreases by 6, from 2 to -4. One third of that distance is 2. So, the x-coordinate of the point that divides line segment AB in the ratio 1:2 as we go from A to B is 2-2=0.
As we go from A to B, y increases by 9-(-3) =12.
One third of that is 4. So, y increases from -3 to +1.
The point in question is (0,1).
Answer:
1. 21x⁴+3y-35x² + 41
2. -21x⁴-3y+6x² + x
Step-by-step explanation:
When adding and subtracting polynomials , you can use the distributive property to add or subtract the coefficients of like terms.
1. The polynomial is 21x⁴ + 3y -6x² + 34
To obtain polynomial 29x² -7 , we must subtract some polynomial from it.
Let that polynomial be k.
So, 21x⁴ + 3y -6x² + 34 - k = 29x² -7
k = 21x⁴ + 3y - 6x² +34 - 29x² +7 = 21x⁴ + 3y - 35x² + 41
2. To obtain a first degree polynomial, let that polynomial be x +34
So, 21x⁴ + 3y - 6x² + 34 + K = x + 34
K = x + 34 - 21x⁴ -3y + 6x² - 34
= -21x⁴ - 3y + 6x² + x