if a = [1 -1 -1 1] and A^2= kA then value of k is​

Answers 1

Answer:

k = -11

Step-by-step explanation:

a = 1 - 1 - 11

  = -11

a^2 =ka

-11^2 = ka

121 = k(-11)

k = -11

Brainliest Notion :D

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(2/(root6 + root2))(tan25)+4sin25= (root a + root 2)/2
question img

Answer:

√a = 3.77

Step-by-step explanation:

2/(√6+√2) * 0.4663 + 4 * 0.4226

= [2(√6+√2)/(√6)²-(√2)²] * 0.4663 + 4 * 0.4226

= (√6+√2)/2 * 0.4663 + 1.6904

= (2.4494 + 1.4142)/2 * 0.4663 + 1.6904

= 1.9318 * 0.4663 + 1.6904

= 0.90079834 + 1.6904

= 2.59119834

Again, √a + √2 = 2.59119834 * 2 = 5.18239668

=> √a = 5.18239668 - 1.41421356 = 3.76818312 ≈ 3.77

Sharon reads two different articles about avocados. The first article, in a weight-loss magazine, claims that avocados are unhealthy because they are high in fat. The second article, in an annual publication from a doctors’ group, claims that the fat in avocados is a type that is good for the heart. To assess these claims, which question might Sharon ask?
Answer:-

{2x|x belongs to N, x<5}

put x<5

x=1, 2,3,4

put x=1, 2(1) =2

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A man walked 18.3km on Saturday and 16.57km o sunday..how far did he walked on that weekend? How much further did he walk on Saturday?

Answer:

The total km he walked on weekend was 34.87km.

Step-by-step explanation:

Saturday =18.3km

sunday =16.57km .

how far did he walked on that weekend?

18.3+ 16.57= 34.87km

he walked 34.87km on that weekend.

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Answer:

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Answer:

Initial Velocity is the velocity at time interval t = 0 and it is represented by u. It is the velocity at which the motion starts. They are four initial velocity formulas: (1) If time, acceleration and final velocity are provided, the initial velocity is articulated as. u = v – at.

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