Solving system of two linear equations

Which method would you choose to solve the following system of equations? Solve it.y=2x+1 (1)3x+y=7 ​ (2)

07/11/22

Interval and Radius of Convergence

Consider the infinite power series n=1-infinity [ (6^n)*((4x-1)^(n-1))*(1/n) ]Determine the interval and radius of convergence.

07/08/22

calc question2)

A force of 1100 lb compresses a spring from its natural length of 15 in. to a length of 10 in. How much work is done in compressing it from 10 in. to 8 in.?A) 0.055 in. ∙ lb B) 440 in. ∙ lb C)... more

Tertiary calculus related rates (problem below)

A kite is flying 30 ft above the ground at the end of a string. The girl flying the kite lets out the string at a rate of 1 ft per second. If the kite remains 30 ft above the ground, How fast the... more

Assume that x and y are both differentiable functions

Assume that x and y are both differentiable functions of t and find the required values of dy/dt and dx/dt.x=4(a) Find dy/dt, given x = 2 and dx/dt = 14.dx/dt=?(b) Find dx/dt, given x =... more

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