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P7 Solve problems involving expansion.
Task 1: A steam pipe has a length of 20 m at 20 degrees C. If the coefficient of linear expansion is 0.000012 /K. How much expansion will have to be allowed for when the steam increases the temperature of the pipe to 300°C?
Task 2: A copper sphere has a diameter of 40 mm at 0 degrees C. If the coefficient of linear expansion is 0.000017 /K, by how much will its volume increase when the temperature is raised to 100 degrees C?
The volume of a sphere is given by V=4/3 pi r^3
Determine whether each of the following partial differential equations is linear or nonlinear, state the order of the equation, and name the dependent and independent variables.
Elementary row operations.
Evaluate the polynomial x^2+ 2y^2- 3xy for x = 3 and y = 4. Solve the problem. Show all steps necessary to arrive at your solution. Find a polynomial for the sum of the areas of these circles.
Let x be the cost of a CD of type A, y be the cost of a CD of type B, and z be the cost of a CD of type C. Write a system of three linear equations that represents the data in the table.
State the domain of the following.
Make an algorithm to solve the problem.
The length of a rectangular parking lot is 40 ft more than the width. If the parking lot is iv feet wide, express its area as a function of the width.
Use the product rule to simplify the expression. Write the answer in exponential notation.
Find the vertex,line of symmetry, and the maximum or minimum value of f(x). Graph the function. F(x)= 5 (x+2)2+5 .
pete smith found in his attic a woody woodpecker watch in its original box. it had a price tag on it for 4.40. the
A random sample of 91 employees of Eastern Electric Co. showed that the number of days missed by each worker last year due to illness was as follows:
The bank statement for Burton Co. revealed a balance of $1,475.00 while the checkbook balance showed a balance of $1,822.00. Outstanding checks totaled $185.00.
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