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3 years ago

6

Please help it’s urgent! it’s tangent lines

1 answer:

sleet_krkn [62]3 years ago

3 0

The answer should be 24, because you can mark out 5,and 10 cuz it doesn’t make since

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Three people build a rectangular shed 8 ft wide, 6 ft long, and 7 ft high. How many cubic feet does the shed contain?

dusya [7]

8x6x7= 336
Your answer is 336 ft^3

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4 years ago

Please help me with this

zhannawk [14.2K]

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2 years ago

Each hour, the number of bacteria in Dr. Nall’s petri dish tripled. What percent is the population compared to the population th

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3 years ago

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What percentage of an hour is 24 minutes

Alexxx [7]

Answer:

40%

Step-by-step explanation:

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3 years ago

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Use the graph of f(x) below to estimate the value of f '(3):

klio [65]

Well, looking at the graph, notice, its vertex is at 0,9, and it passes through the points -3,0 and 3,0, so hmm let's use 3,0, to get the equation of f(x)

$\bf ~~~~~~\textit{parabola vertex form}
\\\\
\begin{array}{llll}
\boxed{y=a(x- h)^2+ k}\\\\
x=a(y- k)^2+ h
\end{array}
\qquad\qquad
vertex~~(\stackrel{}{ h},\stackrel{}{ k})\\\\
-------------------------------$

$\bf vertex~(0,9)~
\begin{cases}
h=0\\
k=9
\end{cases}\implies y=a(x-0)^2+9
\\\\\\
\textit{we also know that }
\begin{cases}
x=3\\
y=0
\end{cases}\implies 0=a(3-0)^2+9
\\\\\\
-9=9a\implies \cfrac{-9}{9}=a\implies -1=a\quad thus\quad \boxed{y=-x^2+9}
\\\\\\
\left. \cfrac{dy}{dx}=-2x \right|_{x=3}\implies -6$

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3 years ago

Read 2 more answers