3 years ago

You're supposed to simplify these, but for the last one, isn't it simplified enough?

Mathematics

1 answer:

dusya [7]3 years ago

3 0

It can be simplified more: ab^11

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A train travels 220 miles in 4 hours. What is the train's speed in feet per minute?

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4 years ago

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Find the value of x. if necessary, round to the nearest tenth a=47sq in

kipiarov [429]

the picture in the attached figure

we know that

area of the triangle is equal to

$A=(b*h)/2$

in this problem

A=47 in²

b=x

h=x

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4 years ago

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The vertex of this parabola is at (-4, -1). When the y-value is 0, the x-value is 2. What is the coefficient of the squared term

satela [25.4K]

$\bf \qquad \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\ ({{ h}},{{ k}})\\\\
-------------------------------\\\\
y=a(x-(-4))^2-1\implies y=a(x+4)^2-1
\\\\\\
\textit{now, we also know that }
\begin{cases}
y=0\\
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3 years ago

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PtichkaEL [24]

Answer:

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Step-by-step explanation:

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