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erik [133]
2 years ago
9

To the nearest penny, what is the price of 3.2 pounds of ham that costs $2.99 per pound?​

Mathematics
2 answers:
Nutka1998 [239]2 years ago
7 0

\begin{array}{ccll} Lbs&\$\\ \cline{1-2} 1&2.99\\ 3.2&x \end{array}\implies \cfrac{1}{3.2}=\cfrac{2.99}{x}\implies x = (3.2)(2.99)\implies \stackrel{\textit{rounded up}}{x = 9.57}

vichka [17]2 years ago
3 0
$9.56

Explanation:

3 pounds of ham is going to cost $8.97.
To get the 1/5 pound price, multiply the cost of a pound of ham by 1/5 (0.2 in this case) to get $0.568. The final step is to just add the prices together.
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Answer:

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Step-by-step explanation:

The given function is

f(x,y,z)=4x\sin (y-z)

We need to find first partial derivatives of the function.

Differentiate partially w.r.t. x and y, z are constants.

f_x(x,y,z)=4(1)\sin (y-z)

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Differentiate partially w.r.t. y and x, z are constants.

f_y(x,y,z)=4x\cos (y-z)\dfrac{\partial}{\partial y}(y-z)

f_y(x,y,z)=4x\cos (y-z)

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Therefore, the first partial derivatives of the function are f_x(x,y,z)=4\sin (y-z), f_x(x,y,z)=4x\cos (y-z)\text{ and }f_z(x,y,z)=-4x\cos (y-z).

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Step-by-step explanation:

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