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Utilized the gauss-Jordan method to solve linear system. Utilize Gaussian elimination method to get the equivalent system in triangularform given.
Find the polar form of given number? Use integers or decimals rounded to nearest hundredth for any numbers in expression, as required. Write complex numbers in terms of j.
Utilize DeMoivre's theorem to compute three cube roots of given number. 5 - 4j. Find three cube roots of 5 - 4j? Simplify the answer.
You are indebted to $2000 on the credit card. Find the unpaid balance after 1year has passed? How much money in intrest charges have paid your creditors?
Which towns are increasing in size? Which are decreasing? Which town is increasing the fastest? Find the annual percent growth rate for that town?
If population of the mid western U.S town is decresing by 12% each year, find the growth rate? and growth factor?
The farmer has 2400 ft of fencing and wishes to fence off the rectangular field which borders the straight river. He requires no fence along river. Find the dimension of field which has the largest
Determine an expression of the quadratic function whose graph through point (1, 3) and has the vertex (-1, -5). If whole graph of quadratic function y = x^2 - (k+1)x + 2k is located above x-axis, dete
Write the equation of the line in form Ax + By = C which satisfies provided condition passing through points (-2, 3) and (1, 4).
Vertical displacement y (in m) of end of the robot arm is provided below. Determine the first four values of t (in s) for which y = 0. y= 1.80 cos 0.It - 1.55 sin 0.2t t.
Demonstrate work / compute exact value of each expression. Write down an expression cot{arcsin(x/5)} as the algebraic expression in x.
Which form is most helpful for finding prices which give the profit of zero dollars?(These are known as break-even prices.) Utilize form you select to find prices.
Determine polynomial with real coefficients of smallest possible degree where 'i' and '1+i' are zeros and coefficient of highest power is 1.
Two cities have nearly similar north-south line of 98 W. Latitude of first city is 23 N, and latitude of 2nd city is 39 N. Find distance between cities if average radius of Earth is 6400 km.
The point on edge of the fly wheel with the given radius of 8 cm is rotating at the rate of 15 radians per second. Find linear speed of the point on its rim, in centimeters per minute.
Convert complex number from given polar form to rectangular form x + yj. 8.00(cos 70.0o+j sin 70.0o) 8.00( cos 70.0o + j sin 70.0o).
Convert provided complex number from given rectangular to polar form of r(cos Θ-j sin Θ). Utilize the graph to be sure that Θ corresponds to right quadrant.
Assume you wish to invest $500 in the bank account which earns 3.4% compounding weekly. Find how much money will be in an account after 4 years?
Determine the arc length on the circle with the radius of 20 inches intercepted by the given angle of 138^{o}. Determine area of the sector of the circle with given radius of 18 inches and central ang
The radio transmission tower is 363.1 feet tall. The guy wire is to be attached 6 feet from top and is to make the angle of 22.3o with ground? Find how many feet long must guy wire be?
The 8.8 horsepower pump can move 441 lbs of water against the discharge head of 400 feet. Find the horsepower of the pump which moves 521 lbs of water against the discharge head of 500 feet?
What price must the club charge to increase revenue? Find the maximum revenue? What price must club charge to maximize revenue? Determine the maximum revenue?
Graph equations and find at least one point on graph and intercepts. Also find asymptotes utilizing linear equations.
Determine rate of change of function f(x)= 3x^2-7x^2-18x-8 on given intervals:(a) -2 ≤x ≤ -1 (b) -1 ≤ x≤ 4 (c) Graph function on the calculator on interval -3 ≤ x ≤ 5 (or wider).
Basketball is dropped from the original height of 9 feet and on every bounce, bounces up 2/3 the distance it fell. Determine how far will it have traveled by time it hits ground 4th time?