moidu13x8
2022-09-11
Answered

Bought 15 tables and 20 stools. The price of the table is 235 dollars. and the price of a stool is 5 times less. what is the purchase price? how many dollars are tables more expensive than stools. please decide urgently.

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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?

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Use the point on the line and the slope of the line to find three aditional points through which the line passes. point(10, -6) slope m = -1

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In a typical lightning strike, 2.5 C flows from cloud to ground in 0.20 ms.What is the current during the strike?

asked 2022-09-25

A store owner want to develop a new snack mix by mixing chocolate and trail mix. How many pounds of chocolate costing $10.10 per pound should be mixed with trail mix costing $3.90 per pound to create a 36 pound mixture worth $5.97 per pound.

asked 2022-09-04

Write a polynomial of minimal degree with integer coefficients that has the following information. Only have integer numbers in your answer.

Zero values: $x=-3,\text{}3+4i$

y-intercept: (0, -600)

Zero values: $x=-3,\text{}3+4i$

y-intercept: (0, -600)

asked 2022-09-10

The slope of the tangent line to the graph of $$y={x}^{3}-cx+4$$ at $$x=5$$ is 69. Give the value of c.