Gavyn Whitehead
2022-09-12
Answered

When I was considering what to do with my $10,000 lottery winnings, my broker suggested that I invest half of it in gold, the value of which was growing by 9% per year, and the other half in certificates of deposit (CDs), which were yielding 6% per year, compounded every 6 months. Assuming that these rates are sustained, how much will my investment be worth in 15 years?

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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.

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

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

asked 2022-09-09

Steven has just purchased a home for $138,600. A mortgage company has approved his loan application for a 30- year fixed-rate loan at 5.25%.Steven has agreed to pay 20% of the purchase price as a down payment. If Steven made the same loan for 20 years, how much interest would he save?

asked 2022-09-19

Cephalexin is an antibiotic that frequently is prescribed in 500 mg tablets. A doctor prescribes 2 grams of cephalexin per day for a patient with a skin access. How many 500 mg tablets would have to be taken in order to achieve this daily dosage?

asked 2022-09-03

The sum of the first and three times the second is 42

2 positive numbers whose product is a maximum

2 positive numbers whose product is a maximum

asked 2022-09-04

Solve. 7x -6y = 42?

asked 2021-09-20

Find a polar equation for the curve represented by the given cartesian equation.

$y=2$