The regression equations of two variables x and y are x = 0.7y + 5.2, y = 0.3x+2.8. Find the means of the two variables and the coefficient of correlation between them.

Q: 5. Put the following numbers in descending order; -3.1, -√3, - 22 —— 7 -3/1/3 -π. A. -√3,-3.1, -,…

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Q: answer

A: We will find the set of polar cordinates.

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A: Topic:- function

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Q: (a) 5x-3(x-2)-3(x+1)-x (b) 4-10 and use interval notation in the answer. (c) Use factoring: 2x² + 5x…

A: a) 5x-3x-2=3x+1-xb) 4-x2≤10c) 2x2+5x=3

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A: Here we have to simplify the given expression.

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Q: If A is a 5x5 invertible matrix, then the determinant of 2A is k|A| where k is equal to A 2 B) 32 16

A: Topic:- matrix algebra

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A: Topic:- combinations

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Q: Problem 6 Find the solution(s) to each equation. 1. x2 – 6x + 8 = 0 2. x2 – 6x + 9 = 0 3. x2 – 6x +…

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A: Given :(a) log72-log79=log7(b) log3+log37=log314(c) log927=3log9x

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Q: Find the vertex form of the function. Then find each of the following. (A) Intercepts (B) Vertex (C)…

A: To find the vertex form,intercepts,vertex,minimum and range  of the given function.

Q: Sum 1. Sum 2. (4x+y) and (2x³ - xy²-y³) (

A: The detailed solution is given below Thank you

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Q: For the following matric A find the co-factor matric (co. f-A), where 4 A='|-2 1 0 1 3 2 1.

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A: Solution of given question is written in below steps.

Q: Use membership tables to prove that A – (Bn C) = (A – B)U (A – C).

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Q: how to solve for 10^.14 without a calculator. please show your work step by step

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Q: Prove that sin(x + y) # sin x + sin y by identifying one pair of angles x and y that shows that this…

A: We have to prove that, sin(x+y) ≠ sinx + siny by identifying one pair of angle x and y.

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A: Suppose Zora has paycheck x, Out of x she shaved 3/20, that is she saved 3x/20. And she add $25.30…

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Q: 1. If a varies jointly as b and c, and a=16 when b=4 and c=2. Find a when b=−8 and c=6.

A: Note:- Since you have asked multiple question As per our policy, we will solve the first question…

Q: Find the inverse function of fx) =/Bx -5. O x? +8 O x? -5 8. O x2+5 8 O x2-8 5.

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Q: Solve each for x. (c) Use factoring: 2x² + 5x = 3 (d) Use the Quadratic Formula: x(x-4)=16

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Q: For each angle in standard position, find a coterminal angle 0, where 0° < 0 < 360°. After which,…

A: To find out the coterminal angle in (0° to 360°).

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Q: If A = 3ai +4j-k and B = 4i+j-3k, find the value of a if A normal to B.

A: Given , A=3ai+4j-k, B=4i+j-3k. We know that if two vectors are normal , then dot multiplication of…

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Q: Moneysaver's Bank offers a savings account that earns 5% interest compounded continuously. If Dan…

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