yrealeq
2022-09-14
Answered

Solve the equation: $$\mathrm{cos}$$ x=-root of 2/2

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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?

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

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

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

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Misu Sheet, owner of the Bedspread Shop, knows his customers will pay no more than $100 for a comforter. Misu wants a 20% markup on cost instead of on selling price. What is Misu’s cost?

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Graph each polynomial function. Estimate the x-coordinate at which the relative maxima and relative minima occur. State the domain and range for each function.

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Use the definition of a logarithm to rewrite this equation as an exponential equation.

$\mathrm{log}}_{64}\left(8\right)=\frac{1}{2$

asked 2021-09-18

Solve each equation. ${8}^{2x}=32$

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Marlowe is half as old as jean. Eight years from now he will be 3/4 as old as jean. How old is eash now?