Given that the variances of random variables X and Y are 1600 and 900, respectively. The correlation between X and Y is 0.64. Find Var (X +Y).

Q: 2(3y-5)=34

A: We will see the ans in next step

Q: 7+(-58)-7

A: Correct answar would be (-72).

Q: 15=-3(-1-1)+9

A:

Q: + + = 20 + + + + X = 15 - + X + X = 42 =3 =14 =27

A:

Q: 20の+ 7=130p+5

A:

Q: (?) = ??? (4?); ?

A:

Q: Find A. 2 3 (24)-1 -4 2 A =

A:

Q: What is 26 + (-16)=

A: The given expression: 26+(-16)=

Q: -4 + (-5) x 9

A: Here a basic mathematical operation problem is given. For doing this problem we should have the…

Q: Evaluate. ((-1) -4) +5-(-2)

A: Use the BODMAS rule to evaluate the given expression. −12−43+5⋅−2First solve the terms in the…

Q: (-2) · (15 + 9) + (5 – 9 + 8)

A: Given: -2·15+9÷5-9+8

Q: . 8х-4у>-28 6y212х-36

A:

Q: (-8, -5);m=-3/4

A:

Q: a/a-6 = -2/a-1

A: Here we have to find the value of 'a'.

Q: a. Y+3=7

A: The value of Y

Q: Findi Fx, fox, frg, for Fag fox F(X ) = Eai () %3D

A: We find out the partial derivative of given function.

Q: 18

A:

Q: (-12)+7

A: To simplify any expression involving numbers we need to use the BODMAS rule which specifies the…

Q: 16x? + 40xy + 25y² = (. 5y)?

A: Complete the following: 16x2+40xy+25y2=(____+5y)2

Q: -7(-p + 9)+ 7=-p

A: Given  -7(-p + 9)+ 7=-p Find p?

Q: 11 = x + (-17) X= ?

A:

Q: 2(a+3)= -12

A: Solution: Here 2(a+3) =-12

Q: 3b-4=28-b b=?

A:

Q: Weite the yotem -5oc. -5x+2y+52 e - 3 of equationo -3x -24-22= 2x-24+22 = -4 a matpix equation, that…

A: Since you have asked multiple question, we will solve the first question for you. If you  want any…

Q: w + (-7), when w = - 1

A: The expression is given by w+(-7) To evaluate: The value of the expression when w=-1.

Q: 6c-8-2c= -16

A:

Q: /- wiite ay 2. -5

A:

Q: Let A = -1 -9 3

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Q: y = 3x + 272 24 ਮ

A:

Q: -5+2(8-12)

A: Use PEMDAS rule to simplify.First we work with the parenthesis. In it 8-12=-4

Q: +-1²-)-(4-44)dy

A: ∫yndy=yn+1n+1+c

Q: Write the terms a0, a1, and a2 if an = 2n + 5(3n) for n = 0, 1, 2, …

A: We will plug n=0, 1 and 2.   We plug n=0, a0 = 20+ 5(30) = 1+5(1)=1+5=6

Q: D. Tim x 3. 2x² +4. X-5

A:

Q: Why is "B" 2?

A:

Q: (-3b)(-4)

A: To evaluate(-3b)(-4)