sdentatoiz
2022-09-15
Answered

A fruit punch that contains 10% fruit juice is combined with 100% fruit juice. How many ounces of each should be used to make 51 oz of a mixture that is 70% fruit juice?

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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.

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

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

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Solve -8u-18=-5 for u.

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The doctor orders 200 milligrams of a drug by mouth every 4 hours. The vial contains 250 milligrams in 5 milliliters.

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Eight decreased by x is 5. What is the value of x?

asked 2021-02-26

Use the Cauchy-Riemann equations to show that $f\left(z\right)=\stackrel{\u2015}{z}$ is not analytic.

asked 2021-09-27

Determine whether the given problem is an equation or an expression. If it is an equation, then solve. If it is an expression, then simplify.