With the same conditions as # 4, we randomly pick one of the 3 sections, and give all of their students a spooky costume. What's the expected number of costumes we'd give out?

Q: Y + 164=326 yo)=3 (0)=-2 8.

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Q: 8) ys-3

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Q: ГО —2 -3 A = |1 -5 21 1; |AB|=? -8 4] 3 -6 3 В — B = |-7 7 %3D 16 -3] 7

A: The given matrices are as follows. Evaluate AB as follows. Thus, the product of matrices A and B…

Q: 2. Simplify the following: + z) – („v100 - ) ,100 а. (Hint: z is the last digit of your college ID)…

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Q: 4) 6x + 2y = -7 4x – 4y = 22 ofthe ear and their

A: Given equation

Q: I need help with this question please.

A: Multiply the first equation by -2

Q: 7) x 2 + 14x – 15 = 0

A: To solve

Q: C f(x) - I+/7-0x e fa) = 7 3. 2X -7 CK)にF--3

A: domain:- all the value of x for which y is well defined. Range:- all the value of y for the domain…

Q: . Then Var(X+Y+Z) is equal to:

A: Here x , y and z are independent variables  So covariance between them are zero

Q: ;) 2r-11x-21 0 ii) x + x 22

A: 1)                                          2X2-11X-21 =0                         To solve this…

Q: Explain method of False position in detail.

A: Method of false position

Q: 2x x– 3)² A = 6, B = 2 A = 2, B = 6 A= 2, B=-6 A=-2, B -6 A= -2,B 6 None of the Above Other:

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Q: Help please to prove this by contradiction if x+ y < 10,  then x< 5 or  y< 5.

A: To prove the statement "if x+y<10, then x<5 or y<5" by contradiction, we follow these…

Q: 16) what is the equation of the BLUE dotted line: -2. -2

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Q: If x +30=11x , then which of the following shows all possible values of x? (-3, -10) B) (-6, 5) C)…

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Q: If (A, B) -> C, then can we also say that A->C? If A-> (B, C), then can we also say that A ->B?

A: If A, B→C, then can we also say that A→C? Solution: Consider A, B→C. Suppose this to be as When A…

Q: 9) 5x+ry=9 10.x-7y=-18

A: In this question we have to find value of x and y.

Q: 3) y= 3x + 7 y = 5x + 11

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Q: 3 / Mariela says that> because 8 > 3 and 9> 7. Regardless of whether her conclusion is correct,…

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Q: This is incorrect per the answer key

A: I am going to solve the problem by using some simple geometry to get the required result of the…

Q: Give a reason why the statement 5 < 8 is true.

A: 5<8 It means that 5 is less than 8.

Q: 8. ) x+y= 3 8x + y = -4 $ 4 3 2 0

A: Given that          x + y = 3        8x + y = -4

Q: This is not a table of signs. Thats a number line! A table is a table! not this

A: To solve tge following problem

Q: when 2u 7. y = +1 u = TX, !!

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Q: Use the mathematical expression '3' in three sentences; one that is true, one that is false, and one…

A: Write three sentences by using the mathematical expression '3' one that is true, one that is false,…

Q: 14) Find the rule for the table Al(-2 -3 )+? -1 -1 TIC +2 AC1 135

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Q: 7. fr(r² + 1)/3-2r²-r* dr

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Q: the answer that is provided is not correct all of them except number 1. Can you please try to do it…

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