3 years ago

Which polynomials are in standard form?

Mathematics

1 answer:

bulgar [2K]3 years ago

8 0

There are none shown.

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Terry's Excavation rents bulldozers.

Galina-37 [17]

The answer would be A.

$198.45 x 5 days = $992.25

$992.25 + $65 delivery charge = $1057.25

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2 years ago

I NEED HELP PLEASE IT WOULD REALLY MEAN AOT !!!!<br><br> NO ZOOMS OR LINKS!!!!

Reika [66]

Answer:

20.78

Step-by-step explanation:

sin a = perpendicular/ hypotenuse

where a is the base angle

here a = 60

sin 60 = 18/ x

since,

$\sin(60) = \ \frac{ \sqrt{3} }{2}$

$\frac{ \sqrt{3} }{2} = \frac{18}{x}$

√3 x = 36

x = 36/ √3

x = 36/ 1.732

x = 20.78

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3 years ago

The time it takes you to go a certain distance varies inversely with the speed of travel. Suppose it takes you 4 hours to get to

fgiga [73]

$\bf \qquad \qquad \textit{inverse proportional variation}
\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------$

$\bf \textit{time it takes varies inversely with the speed rate}\qquad \stackrel{time}{t}=\cfrac{k}{\stackrel{rate}{r}}
\\\\\\
\textit{we also know that }
\begin{cases}
t=\stackrel{hrs}{4}\\
r=\stackrel{mph}{50}
\end{cases}\implies 4=\cfrac{k}{50}\implies 200=k
\\\\\\
\boxed{t=\cfrac{200}{r}}
\\\\\\
\textit{if your rate r = 40, what is your distance \underline{t}?}\qquad t=\cfrac{200}{40}$

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3 years ago

Use the discriminant to determine how many x-intercepts the graph of the equation has. y = – 4x2 + 3x – 2

Vlad [161]

None because if you put that into y= on scientific calculator and press graph this equation will not pass through horizontal line which is x-axis.

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4 years ago

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you have to be 48 inches tall to ride the roller coaster.eva is 45 inches tall.if she grows 2 inches each year, will she be able

Elis [28]

Yes because next year she will be 47 inches tall then in two years she will be 49 inches tall.

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3 years ago