Express u = (3,-10) as a linear combination u = rv + sw, where v = (5, 1) and w = (1,−1). (Use symbolic notation and fractions where needed.) r = S =

Q: Find (1, -5) (7, 9).

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Q: 3 x+2y=-13 -5x+4y=18

A: given: 3x+2y=-13 -5x+4y=18

Q: Evaluate, given x=-5 and y = 2 (+x) - (-5y) – (+10y) – (+7x) = %3D

A: The given expression is                                               (+x)-(-5y)-(+10y)-(+7x)

Q: Multiply. (3ử– 6u+4)(5u-7) -би+ | Simplify your answer.

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Q: Find projvu if scalvu = -2 and v = ⟨2, -1, -2⟩.

A: Consider the given vector.u=-2 and v=<2,-1,-2>.The projection is defined as,Projection of…

Q: the magnitude of v || v | sqrt ( v12 + V 2 2 + v 3 2 )

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

A: Solve the following

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A: We have given that data  And i want to find  Correlation coefficients ( r )

Q: -3x +4y by replacing x with 0.3 and y with 0.25

A: By using algebraic properties

Q: Multiply. (ex − e−x)2

A: Here we multiply this:

Q: 4. Find m RS. (5x+ 6) S. (11r- 72) If MD- E 24and DN- 2. A ind MD

A: As per our guideline we are allowed to do 1 question at a time. Please post other questions next…

Q: x-4yコG_ 473

A: As per the guidelines we can solve 3 questions only

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Q: 2x+5y=14 4x+2y=-4

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A:

Q: -2/w-3/4=3w-7/3

A: Consider the given equation.

Q: 10) Simplify. O yi

A: We have to simplify y520.

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A:

Q: 3 2 Let B =0 -6. Find-5B. | 5 -1 -5B =

A: Given: B=320-65-1 The objective is to find -5B.

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Q: Simplify. (412²+8u-9)+(7u²- + 6u–8)- (5u²–8u –7)

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Q: O Divide x5- 3x" + x + 5x -2 bx x*+l.

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Q: Find projvu.u = (2, 4), v = (1, −5)

A: The projection of u onto v is denoted as projvu. The following formula is used to find projvu.…