$$2\text{}2/11\ast 1\text{}3/8:3/4$$

Damon Cowan
2022-09-14
Answered

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$$2\text{}2/11\ast 1\text{}3/8:3/4$$

$$2\text{}2/11\ast 1\text{}3/8:3/4$$

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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.

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

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(1) Mary and Amy had a total of 20 yards ofmaterial from which to make costumes.

Mary used three times more material to make her costume than Amyused, and 2 yards of material was not used. How many yards of material did Amy use forher costume?

(2) A truck traveling ata constant rate of 45 miles per hour leaves Albany. One hourlater a car traveling at a constant rate of 60 miles per hour also leavesAlbany traveling in the same direction on the same highway. How long will it take forthe car to catch up to the truck, if both vehicles continue in the same direction on thehighway?

Mary used three times more material to make her costume than Amyused, and 2 yards of material was not used. How many yards of material did Amy use forher costume?

(2) A truck traveling ata constant rate of 45 miles per hour leaves Albany. One hourlater a car traveling at a constant rate of 60 miles per hour also leavesAlbany traveling in the same direction on the same highway. How long will it take forthe car to catch up to the truck, if both vehicles continue in the same direction on thehighway?

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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.

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A gallon of milk weighs 8.09 lb. Calculate the density of milk in grams per cubic centimeter.

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Simplify and express

$$\frac{2x}{2x-3}+\frac{5}{x+3}+\frac{3}{3-2x}$$

as a single reduced fraction (N(x))/(D(x))

$$\frac{2x}{2x-3}+\frac{5}{x+3}+\frac{3}{3-2x}$$

as a single reduced fraction (N(x))/(D(x))

asked 2022-07-25

Simplify by combining like terms.

${y}^{5}-[{y}^{4}-({y}^{5}+{y}^{4})]-[{y}^{5}+(2-{y}^{4})]$

${y}^{5}-[{y}^{4}-({y}^{5}+{y}^{4})]-[{y}^{5}+(2-{y}^{4})]$