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1. Let {x1, x2, ... ,xn} be any set of n vectors in an n-dimensional vector space V. Prove that V=span{x1, x2, ... ,xn} if and only if {x1, x2, ... ,xn} is linearly independent.
2. Let V be a vector space of dimension n. Suppose that W1 and W2 be subspaces of V, W1 ≠ W2, and that dim(W1)=dim(W2)=n-1. Prove that V=W1+W2 and determine dim(W1 ∩ W2)
Write a equation. A model rents double rooms for $55 per day and single rooms for $26 per day. If 23 rooms were rented one day for a total revenue of $1033, how many rooms if each kind were rented
a paint mixture contains 14 gallons of base for every gallon of color. in 510 gallons of paint, how many gallons of color are there?
How many eighths rest are equal to sex sixteenth rest
Do the six measurements present sufficient evidence to indicate that the average weight of the diamonds produced by the new process is in excess of 0.5 karat? To answer this question conduct an appropriate test of hypothesis using the five step pr..
how to solve: The cross section of a large telescope diameter of 360 ft and a maximum depth of 36 feet. What is the equation of this parabola?
A sample of a radioactive substance decayed to 93% of its original amount after a year. (Round your answers to two decimal places).
Consider an annuity-immediate with monthly payments for twenty years. The payments are level in the course of each year, then increase by 2% for the next year. Find the present value of this annuity if the initial payment is $1, 000 and i = 4%.
Does body weight have an influence on the blood cholesterol level? To answer this question what variables do you think the researcher would measure? Which would be the i.v. and which the .d.v.? Why?
Given that 28.4% of all possible observations of the variable are less than 19, determine the area under the density curve that lies to the right of 19
1. A. express the quadratic function in standard form B. find its vertex and its x and y intercepts C. sketch its graph
For this problem please state the method you used and show the work required to obtain the answer. Find the general solution for each of the systems:
A bicyclist is traveling at 25 km/hr when he encounters a 90 m hill. Neglecting road and wind resistance: If the hill is going up, what vertical elevation could the cyclist achieve without pedaling?
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