4 years ago

Select the correct answer. Which graph represents this equation? y − 4 = -3(x + 5)

Mathematics

1 answer:

Brilliant_brown [7]4 years ago

4 0

Answer:

I graphed the equation on the graph below.

Step-by-step explanation:

y − 4 = -3(x + 5) Distribute

y - 4 = -3x - 15

+ 4 + 4 Add 4 to both sides

y = -3x - 11 This is the equation in slope-intercept form, which is easier to graph

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What is the slope of this graph?

lubasha [3.4K]

Answer: The slope is 0.

Step-by-step explanation: If the line is horizontal, the slope is 0

The rise is 0. 0 divided by any number is 0.

If the line is vertical, the slope is undefined.

No number can be divided by 0, so mathematicians call this situation "undefined."

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3 years ago

Given a cone with a volume of 288 in and height 7 in find the base radius of the cone

nlexa [21]

$\bf \textit{volume of a cone}\\\\
V=\cfrac{\pi r^2 h}{3}\quad 
\begin{cases}
r=radius\\
h=height\\
------\\
h=7\\
V=288
\end{cases}\implies 288=\cfrac{\pi \cdot r^2\cdot 7}{3}
\\\\\\
\cfrac{288\cdot 3}{7\pi }=r^2\implies \sqrt{\cfrac{288\cdot 3}{7\pi }}=r$