Find the equation for the plane tangent to each surface

Juan Hewlett
2021-12-20
Answered

Find the equation for the plane tangent to each surface

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asked 2022-04-28

Solve the following rational equations and inequalities.

1.$2x-\frac{5}{x}+1-\frac{3}{{x}^{2}}+x=0$

2.$\frac{1}{y}-\frac{1}{6}=\frac{2}{3}$

3.$\frac{3}{x}+1=\frac{9}{{x}^{2}}-3x-4$

1.

2.

3.

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Given: roots of the equation: $-1$ and $5$ , leading coefficient $5$ . Write the quadratic equation

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determine whether the statement is true or false. Justify your answer.

99. The equation$2\mathrm{sin}4t-1=0$ has four times the number of solutions in the interval $[0,2\pi )$ as the equation $2\mathrm{sin}t-1=0$ .

99. The equation

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The sum of half a number nn and 7 is at most 20.

asked 2022-04-16

Jessica is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices.

Company A charges $88 and allows unlimited mileage. Company B has an initial fee of $55 and charges an additional $0.60 for every mile driven. For what mileages will Company A charge less than Company B?

Use m for the number of miles driven, and solve for m.

Company A charges $88 and allows unlimited mileage. Company B has an initial fee of $55 and charges an additional $0.60 for every mile driven. For what mileages will Company A charge less than Company B?

Use m for the number of miles driven, and solve for m.

asked 2020-10-25

Solve the equations and inequalities:
$\frac{{2}^{x}}{3}=\frac{{5}^{x}}{4}$

asked 2021-09-16

Solve, please:

$\{\begin{array}{ccccc}0.7x& -& \frac{1}{2}y& =& 9.4\\ 0.9x& +& \frac{7}{10}y& =& 0\end{array}$