tuzkutimonq4
2022-09-14
Answered

The temperature T, in celsius, of an object removed from a freezer is determined by the formula dT dt = -k(T – TO) for a constant k and To is the room temperature and t is in hours. What are the units of k?

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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).

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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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Calculate the value of x such that -19x equals 12.

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Subtract.

$\frac{8}{x}+2-3x+\frac{2}{x}$

$\frac{8}{x}+2-3x+\frac{2}{x}$

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If I write 3 to the left of my number, and double this three-digit number, the result is 27 times my original number. What is my number?

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Kevin and Randy Muise have a jar containing 39 coins, all of which are either quarters or nickels. The total value of the coins in the jar is $5.75

How many of each type of coin do they have?

How many of each type of coin do they have?

asked 2022-07-30

Find the equation of a sphere if one of its diameters has endpoints: (-8, -4, -13) and (4, 8, -1)