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Anne, Betty and Carol went to their local produce store to buy some fruit. Anne bought one pound of apples and two pounds of bananas and paid $2.11. Betty bought two pounds of apples and one pound of grapes and paid $4.06. Carol bought one pound of bananas and two pounds of grapes and paid $4.45.
(a) Let x = price of a pound of apples, y = price of a pound of bananas and z = price of a pound of grapes. Write out 3 linear equations representing the purchases of Anne, Betty and Carol.
(b) Write out the augmented matrix for your system of 3 linear equations of part (a).
(c) Use elementary row operations to row reduce the augmented matrix of part (b) to a reduced row-echelon matrix.
(d) What is the price per pound for each of the three fruits?
We have claimed that a randomly generated point lies on the equator of the sphere independent of where we pick the North Pole. To test this claim randomly generate ten vectors i
The exponential functions are useful for describing compound interest and growth. The exponential function is defined as: y = m. a x where '
Illustration : Solve the following IVP. Solution: First get the eigenvalues for the system. = l 2 - 10 l+ 25 = (l- 5) 2 l 1,2 = 5 Therefore, we got a
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y''''+6y''+10y=10x^(4)+24x^(3)+2x^(2)-12x+18
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A pair of mittens has been discounted 12.5%. The original price of the mittens was $10. What is the new price? Find 12.5% of $10 and subtract it from $10. Find out 12.5% of $10
one bathroom is 0.3m long how long is a row of 8 tiles
Write a proff given angle MJL congruent with angle KJL
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