Use the exponential definition of sinh(x) and cosh(x) to show cosh (X) = cosh(2x)+2 b) Solve the equation 6 cosh(4x) + 30 sinh(4x) = 15, giving your answer in terms of a natural logarithm Question 2 (4 marks total) Without using a calculator, solve the following system of equations for x E and y E … Read more

A few human traits have easily identifiable patterns of inheritance. These are called “Mendelian traits” because they follow the rules of inheritance established by Johann Gregor Mendel in 1865. Mendel studied garden peas, a plant that usually self-fertilize because both the pollen containing the male gametes and the pistil containing the female gametes are enclosed … Read more

Regression Use your calculator to perform regression and verify the equations you found in problems 5 — 7. Instructions for regression are in the calculator help section at the back of the course pack. Analysis Using the equations that you developed in problems 4 -7 and your calculator, answer the following questions. 8. After how … Read more

Carbon is constantly on the move through the different components of Earth’s Geosphere and Biosphere, but at very different timescales and spatial scales. For example, the processes that move carbon from the ocean (hydrosphere) to the lithosphere happen over a very large spatial scale and can take timescales of millions of years. In contrast, the … Read more

Determining hydronium ion concentrations Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. What is the molar concentration of [H30+] in a cola that has a pH of 3.120? (For help with significant figures, see Hint 3.) View Available Hint(s) 0 7.58 x 10-4 O 7.59 x 10-4 … Read more

Find the slope of the curve y = 3X. + 2.0 — x’ at the point (-1, 0). 2 Find ‘II for: ax (i) y = —3In xs (ii) y = In(7x) (iii) y = In(x-3) (iv) y = e-3x (v) y = sin —2x + Seim ir _ 1 t Ivi)v – se, 4e” … Read more

Haemophilus influenzae is a small Gram-negative bacillus that is normal flora in the upper respiratory tract but also an important opportunistic pathogen that causes a range of infections including otitis media and community-acquired pneumonia. These infections are frequently treated with antibiotics, but this approach is being hampered by increasing levels of resistance. In general, a B-lactam … Read more

Consider the following and critically answer them. 1. You have decided to undertake a project and have defined the main research question as ‘What are the opinions of consumers to a 10 per cent reduction in weight, with the price remaining the same, of “Snackers” chocolate bars?’ Write a hypothesis that you could test in … Read more

Hyperlipidemia is a condition where there are high levels of several substances which contains fat particles such as triglycerides and cholesterol in the blood. It is one of the chronic illnesses which can last for a very long time. It is a common problem in our routine life posing a health risk to most individuals. … Read more

The Designhill Company uses a normal job-costing system at its Melbourne plant. The plant has a machining department and an assembly department. Its job-costing system has two direct-cost categories (direct materials and direct manufacturing labour) and two manufacturing overhead cost pools (the machining department with machine hours as the allocation base, and the assembly department … Read more