Walter Clyburn
2021-12-14
Answered

How do you write an equation of a line with point (2,5), slope -2?

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asked 2021-05-13

A movie stuntman (mass 80.0kg) stands on a window ledge 5.0 mabove the floor. Grabbing a rope attached to a chandelier, heswings down to grapple with the movie's villian (mass 70.0 kg), whois standing directly under the chandelier.(assume that thestuntman's center of mass moves downward 5.0 m. He releasesthe rope just as he reaches the villian).

a) with what speed do the entwined foes start to slide acrossthe floor?

b) if the coefficient of kinetic friction of their bodies withthe floor is 0.250, how far do they slide?

asked 2020-10-18

Find a least squares solution of Ax=b by constructing and solving the normal equations.

$A=\left[\begin{array}{cc}3& 1\\ 1& 1\\ 1& 4\end{array}\right],b\left[\begin{array}{c}1\\ 1\\ 1\end{array}\right]$

$\stackrel{\u2015}{x}=$ ?

asked 2021-02-21

Define a new interpretation of the description “dynamical system” for a collection of interdependent differential equations?

asked 2021-12-02

Write an equation that expresses the fact that a function f is continuous at the number 4

asked 2022-09-10

$$x=1\frac{1}{2},y=2\frac{3}{4},z=6\frac{11}{12}$$ Evaluate the variable expression x+ y + z. for the given values of x, y and z.

asked 2021-10-02

Solve the equation.

${e}^{4x}+4{e}^{2x}-21=0$

asked 2021-09-17

Solve the equation.

$\frac{1}{5}x+2=3-\frac{2}{7}x$