listgrein6u
2022-09-17
Answered

Costa is an accountant. During tax season, he charges $125 to do a simple tax return. His expenses for buying software, renting an office, and purchasing advertising are $6,000. How many tax returns must he do if he wants to make a profit of at least $8,000?

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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 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 2022-08-31

Find the solution:

$2x+1-3x=6\phantom{\rule{0ex}{0ex}}x=?$

$2x+1-3x=6\phantom{\rule{0ex}{0ex}}x=?$

asked 2020-12-09

Solve the system of equations.

3(x-y)=y-3

$-2x+\frac{y}{2}=-11$

3(x-y)=y-3

asked 2022-08-03

I have some math problem I need help solving.

$\frac{a-4}{2-\frac{8}{a}}$

$\frac{a-4}{2-\frac{8}{a}}$

asked 2022-07-16

What would a temperature reading of 38.2 degrees Celsius be in Fahrenheit? Not yet answered Marked out of 1.00

a. 96.4 Flag question

b. 98.6

c. 100.8

d. 103.

a. 96.4 Flag question

b. 98.6

c. 100.8

d. 103.

asked 2022-08-01

Let $g(y)=-3y-4$. Find the following value.

$g(y+p)\phantom{\rule{0ex}{0ex}}g(y+p)=?$

$g(y+p)\phantom{\rule{0ex}{0ex}}g(y+p)=?$