Question

In: Math

If possible, find A + B, A − B, 2A, and 2A − 5B. (If not...

If possible, find

A + B, A − B, 2A, and 2A − 5B.

(If not possible, enter IMPOSSIBLE.)

A =

3

−1

1

2

4

3

, B =

−1

1

−5

−4

3

−2

(a) A + B

(b) A − B

(c) 2A

(d) 2A − 5B

Expert Solution

milcah answered 1 year ago

% Consider the following system of equations: % -2a +5b + c + 3d + 4e...

% Consider the following system of equations: % -2a +5b + c + 3d + 4e - f = 0 % 2a - b - 5c - 2d + 6e + 4f = 1 % -a + 6b - 4c - 5d + 3e - f = -6 % 4a + 3b - 6c - 5d - 2e - 2f = 10 % -3a + 6b + 4c + 2d - 6e + 4f = -6 % 2a + 4b...

Q−3: [5×4 marks] a. Find a, b if a+2b=107 mod 9 and 2a+b=-55 mod 7. b....

Q−3: [5×4 marks] a. Find a, b if a+2b=107 mod 9 and 2a+b=-55 mod 7. b. Write the prime factorization of 229320 and 49140, hence find GCD and LCM. c. Convert the following number (1303)4 to base 5. d. Using the Prime Factorization technique determine whether 173 is a prime. e. Use the cipher: f(x)=(x+7) mod 26 to decrypt “THAO ALZA”.

Simplify the following expression by combining like terms and give your answer. 8(2a − b − 3c) + 3(2a − b) − 4(6 − b)

Calculate the mass defect of the boron nucleus 11 5B. The mass of neutral 11 5B...

Calculate the mass defect of the boron nucleus 11 5B. The mass of neutral 11 5B is equal to 11.009305 atomic mass units. Express your answer in atomic mass units to four significant figures. Part B Calculate the binding energy E of the boron nucleus 11 5B (1eV=1.602×10−19J). Express your answer in millions of electron volts to four significant figures. Part C Calculate the binding energy per nucleon of the boron nucleus 11 5B. Express your answer in millions of...

The system: 2A + B ↔ 2C ; initially started with 1 mole of B and...

The system: 2A + B ↔ 2C ; initially started with 1 mole of B and 1 mol A in a 1L flask. Keq = 6.8 x 10-5 To calculate the equilibrium concentrations a simplifying assumption (approximation) can be made. True False

Let A and B be two events. Find the largest and smallest possible values P(A U...

Let A and B be two events. Find the largest and smallest possible values P(A U B) can take in terms of P(A) and P(B) and give examples in which these values can be attained.

When 2A (g) <-----> B(g) + C(g) [exothermic] is at equilibrium the concentration of B a....

When 2A (g) <-----> B(g) + C(g) [exothermic] is at equilibrium the concentration of B a. increase b. decreases c. is unchanged d. changes randomly e. cannot predict Concentration of C is increased, concentration of A a. increase b. decreases c. is unchanged d. changes randomly e. cannot predict Concentration of C is increased, concentration of B a. increase b. decreases c. is unchanged d. changes randomly e. cannot predict If temp is raised the concentration of C a. increase...

Given a=3-2i b=-2+3i Find 2a+3b and; i) state the real part (in Box 1) ii) state...

Given a=3-2i b=-2+3i Find 2a+3b and; i) state the real part (in Box 1) ii) state the imaginary part (in Box 2 and without the i). Question 2 options: Blank # 1 Blank # 2

Given the following reactions, what is the overall reaction and the ∆Hrxn 2A + B →...

Given the following reactions, what is the overall reaction and the ∆Hrxn 2A + B → A2B ∆H° = – 25.0 kJ/mol 2A2B → 2AB + A2 AB2 → Α + 2Β ∆H° = 35.0 kJ/mol ∆H° = – 15.0 kJ/mol A) A + A2B → AB + A2 ∆Hrxn = +5 kJ/mol B) 2A + B + 2A2B + AB2 → A2B + 2AB + A2 + A + B ∆Hrxn = -5 kJ/mol C) A + A2B → AB + A3 ∆Hrxn...

Chemical kinetics For the reaction 2A + B → C + D + 2E, data for...

Chemical kinetics For the reaction 2A + B → C + D + 2E, data for a run with [A]0 = 800 mmol/L and [B]0 = 2.00 mmol/L are t/ks 8 14 20 30 50 90 [B]/[B]0 0.836 .745 .680 .582 .452 .318 and data for a run with [A]0 = 600 mmol/L and [B]0 = 2.00 mmol/L are t/ks 8 20 50 90 [B]/[B]0 0.901 0.787 0.598 0.453 Find the order with respect to each reactant (A and B)...