cuuhorre76
2022-09-11
Answered

Solve the equation sin x= root of 2 divided by 2

You can still ask an expert for help

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 2021-05-13

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 2022-07-25

Band members sold $240 worth of fruit last week. This week they shold $320 worth of fruit. By what percent did sales increase?

asked 2022-09-04

A boat on the potmac river travels the same distance downstream in 2/3 hr. as it does going upstream in 1 hr. If the spreed of the current is 3mph. find the speed of the boat in still water.

asked 2021-09-13

Change the polar equation $5r=\mathrm{sin}\left(\theta \right)$ to Cartesian equation (an equation that only contains x and y terms)

asked 2022-09-11

Help solve $$3\mathrm{cos}(\mathrm{\Pi}-B)+\mathrm{sin}(\mathrm{\Pi}/2+B)/\mathrm{cos}(B+3\mathrm{\Pi})$$

asked 2022-09-14

Given the ellipse defined by the equation, find the length of the major axis and the minor axis and find the eccentricity.

$$36{x}^{2}+9{y}^{2}72x-36y-252=0$$

$$36{x}^{2}+9{y}^{2}72x-36y-252=0$$