3 years ago

What best describes the transformation from f(x) = zº to f(x) = - (z?)?

Mathematics

1 answer:

Anastasy [175]3 years ago

7 0

Answer:

Reflect about the y axis

Step-by-step explanation:

please mark brainliest :)

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Please help me with this question

ExtremeBDS [4]

Answer:

384 Cubic Inches

Step-by-step explanation:

We can divide the original object into two separate shapes, then we can take the first shape of 6*4*2, and find its volume of 48, then we can take the larger object of 12 * 14 * 2 and find its volume of 336 and add the two values together to find the original shape's volume of 384 Cubic Inches.

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3 years ago

Sodium-24 has a half life of 15 hours. how many grams of 900g sample will remain after 90 hours

Snezhnost [94]

$\bf \textit{Amount for Exponential Decay using Half-Life} \\\\ A=P\left( \frac{1}{2} \right)^{\frac{t}{h}}\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{initial amount}\to &900\\ t=\textit{elapsed time}\to &90\\ h=\textit{half-life}\to &15 \end{cases} \\\\\\ A=900\left( \frac{1}{2} \right)^{\frac{90}{15}}\implies A=900\left( \frac{1}{2} \right)^6\implies A=14.0625$

5 0

4 years ago

Xy=1 for x=2, dx/dt= -2 find dy/dt

dexar [7]

$\bf xy=1\iff y = \cfrac{1}{x}\iff y = x^{-1}\\\\
-----------------------------\\\\
\cfrac{dy}{dt}=-x^{-2}\cdot \cfrac{dx}{dt}\impliedby \textit{using the chain-rule}
\\\\\\
\left. \cfrac{dy}{dt}=-\cfrac{\frac{dx}{dt}}{x^2} \right|{
\begin{array}{llll}
x=2\\
\frac{dx}{dt}=-2
\end{array}}\implies \cfrac{dy}{dt}=-\cfrac{-2}{2^2}$