For an integer n > 1, how many decimal stings of length n begin or end with an even digit? 5(10)"-1 + 5(10)"-1 – 5º (10)"-2 O 5(10)"- + 5(10)"- O None of these. 5(10)"-1 + 5(10)"- - 5(2)(10)"-2 O 5(10)" + 5(10)"-1 – 5(10)"-2

Q: If N=6+4+3+1+1/3N, then the value of N is?

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Q: Find A + 0. 3 -7 0 0 0 = 0 0 A = %3D 8 -9 A+0 =

A: Given that two matrix and we solve use the addition rule of matrix and find (A+O).   Here i attached…

Q: What is 11/4 + 11/8 =

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Q: how does 1/2 + 1/2 + 1/4 = 1?

A: here given,  the two leading candidates are running neck-and-neck, while the third candidate is…

Q: Find A. A = (3A)-1 · [ = 10 4 21

A: We have to find A using given data.

Q: Find n(A)   A= {1/2, -1/2, 1/3,- 1/3,......1/10, -1/10}

A: Compute n(A) as follows.Assume a set B with 20 elements.B = {1,−1, 2, −2, 3, −3,......10, −10}.

Q: 7. Express the following numbers without using exponents. (a) 2-1 = (b) 2-3 = (c) ) 1 (d) 2-3

A: By using a-m=1amabm=ambm

Q: (- 1)" 3 En=o 8. 3" 4. Select one: True False

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Q: Write out expressions for (i) (ii) "P. (iii) (iv) 20P,

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Q: HA-[-2]. If = O A-¹ O A-¹ = O A-¹ = O A-¹, 24 = find A-¹. 3 = 6 -4] [4-2] 6 -5]

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Q: 3.) Simplify (0.75x + 2y) - (0.3x – 0.6y)

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Q: For what value(s) of k will make A(5,k) B(-1,-6) 10 units from each other?

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Q: Thank you. Is the calculation correct for (50-4)2/1000 you said 1 there instead of 2

A: It is given that a offers one $1000 prize, one $500 prize, and two $50 prizes, the cost of each tick…

Q: If a, = n(a, -1) and a, = 1, what is the value of (1) 5 (3) 120 (2) 20 (4) 720

A: Here we have,

Q: (2) 4 2. 2. 2/3

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Q: Can you compute (b) & (c) to 3 decimals?

A: The values of SST and SSR are 6,724.125 and 6,216.375 respectively. There are 10 observations.

Q: (d) an 10"+1 +3 x 4"-1+5 is divisible by 9 for all n2 1,

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Q: 3. Simplify. x2 + 2x – 24 x2 + 11x + 30 (8г — 32) : - x2 – x – 6 x2 + x 12 O 2(x + 2)(x + 5)…

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Q: (5x +3) (9x-33)

A: Since l and m are parallel Sum of co-interior angles = 180 5x+3+9x-33 = 180 14x = 180+30 x=210/14…

Q: Thank you! This might be a stupid question... but how do you algebraically solve the part where you…

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Q: 3. Consider the ellipsoid x2 + 4y2 + z? = 18. Find the acute angle that the tangent plane at the…

A: Let us consider two surfaces f(x,y,z)=0 and g(x,y,z)=0. Now let n1 and n2 be two normal vectors on…

Q: 1 If A = 0 4 0 then 3A-2= 0 0 1/3

A: To find  3A^(-2) of the given matrix A.

Q: Find A. 5 -2 (4A)–1 -4 A =

A: We can let the matrix A. A.A-1 =I ; where , I is the identity matrix.

Q: L{12te-³t} 12 a. (s+3) 12 b. (s+3)² 1 C. (s+3)² 12 d. (s+3)³

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Q: What is the first five terms of an = 2(3)n ?

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