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2 years ago

The train ride goes 2.5miles in 1/3 of an hour How many miles per hour does the the train go

Mathematics

2 answers:

9966 [12]2 years ago

6 0

Answer:

2.5 x 60

Step-by-step explanation:

im pretty sure thats how you get your answer

liberstina [14]2 years ago

4 0

Answer:

Step-by-step explanation:

$speed=\frac{2.5 \:miles}{\frac{1}{3}hour}=2.5\times 3 = 7.5 miles/hour$

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3 years ago

(Algebra II ) What is the equation of y = x^3 with the given transformations? vertical compression by a factor of 1/7, horizonta

NNADVOKAT [17]

$\bf \qquad \qquad \qquad \qquad \textit{function transformations}
\\ \quad \\

\begin{array}{rllll}
% left side templates
f(x)=&{{ A}}({{ B}}x+{{ C}})+{{ D}}
\\ \quad \\
y=&{{ A}}({{ B}}x+{{ C}})+{{ D}}
\\ \quad \\
f(x)=&{{ A}}\sqrt{{{ B}}x+{{ C}}}+{{ D}}
\\ \quad \\
f(x)=&{{ A}}\mathbb{R}^{{{ B}}x+{{ C}}}+{{ D}}
\end{array}$ $\bf \begin{array}{llll}
% right side info
\bullet \textit{ stretches or shrinks horizontally by } {{ A}}\cdot {{ B}}\\
\bullet \textit{ horizontal shift by }\frac{{{ C}}}{{{ B}}}\\
\qquad if\ \frac{{{ C}}}{{{ B}}}\textit{ is negative, to the right}\\
\qquad if\ \frac{{{ C}}}{{{ B}}}\textit{ is positive, to the left}\\
\bullet \textit{ vertical shift by }{{ D}}\\
\qquad if\ {{ D}}\textit{ is negative, downwards}\\
\qquad if\ {{ D}}\textit{ is positive, upwards}
\end{array}$

$\bf ----------------------------\\
f(x)=x^3\textit{compression by }\frac{1}{7}\quad or\quad A=7
\\ \quad \\
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\\ \quad \\
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\\ \quad \\
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3 years ago

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kykrilka [37]

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3 years ago

The vertex of the graph of y = -4(x + 3)2 + 2 is

aleksley [76]

Answer:

(-3,2)

Step-by-step explanation:

This equation is written in vertex from

y = -4(x + 3)2 + 2

Vertex from is

y = a(x - h)2 + k, where vertex is (h,k).

We can rewrite our equation

y = -4(x - (- 3))2 + 2.

So vertex is (-3,2)

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4 years ago