(a) A = 20º, b = 11, c = 7

Q: 2k+1 15 = 2 k-2 k

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Q: 12. Evaluate: 2 -1 4 -3 -1 (b) 3 1 2 2 3 -2 2 -3 -1 1

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Q: (c) 1+(-3)+(-3)² + (-3)³ + (-3)* + ..

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Q: How do you get to the final answer on this problem.

A: To determine the value of r.

Q: a•b = 3|a| = 4|b| = 2|a - 2b| = ?

A: As a•b = 3|a| = 4|b| = 2Squaring the equation |a - 2b| , its solution is shown on the board

Q: 3.9b + a3 + 27 - 3a2 + 5a3 - 2a2 + 2.1b + 7

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Q: Solve for X. 7 X + -7 -5] 7 = 1 -2 8 X.

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Q: What is the coefficient of d5e2c in (d+e+c)8

A: Given (d+e+c)8 = (d+(e+c))8= Cr d8-r (e+c)r8= Cr d8-r Ck er-k ckr8= Cr Ck d8-r er-k ckr8 We need to…

Q: Does each of the following series converge or diverge? Why? Show all your work and MUST include the…

A: To determine whether the series ∑n=1∞​(3+8n2)(2n2+1)​​ converges or diverges, I'll use the Direct…

Q: Solve the equation for p. 8(p - 4) = 2(2p + 1)

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Q: Z, x Z3 and Z3 × Z3 × Z3 Z21 and Z3 × Z,

A: CASE 1 In case of ℤ9×ℤ3, there exist at least one element of order equal to lcm(3,9)=9 In case of…

Q: A+B+C = −11 −3A + 2B + 3C = -12 2A8B 4C = 38

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Q: How do you decide that k is greater than or equal to 2, and k+1 is greater than or equal to 3?

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Q: This is my 3rd time trying to submit this question. The pictures are very clear, and I need to…

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Q: (b) 6 + 7 + 8 + 9 + ... + k

A: (b) Given that 6+7+8+9+...+k The objective is to find the sum. The formula for sum of numbers are,…

Q: 2-5t n -5-+7 32 16

A: Solve the given expression by starting to make the denominator common in every fraction as.

Q: Determine the number of integer solutions to the equation below: X1 + x2 + x3 + X4 + x5 = V subject…

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Q: -- 6(- 2n – 10) + 4n = 5(n + 1)

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Q: what is 2(p+4)=2

A: Step 1:  2(p+4)=2 Step 2: 2p+8=2 Step 3: 2p=2-8 Step 4: 2p=-6 Step 5:  p=-6/2 Step 6: p= -3

Q: Given this equation,  0= 1__ 2__3__4__5 The blanks represent + or - only.  I know that there is not…

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Q: 3(3-a)+(-3 -%3=

A: Given:33-2+-32-9Using BODMAS Rule:B-Bracket O-Order or PowerD-DivisionM-Multiplication…