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3 years ago

6

A TV that usually sells for $183.26 is on sale for 25% off. If sales tax on the TV is 9%, what is the price of the TV, including

tax?

1 answer:

Hatshy [7]3 years ago

3 0

183.26 times .25 = 45.815
183.26 minus 45.815 = 137.445
137.445 times 0.09 = 12.37005
137.445 plus 12.37005 = 149.81505
Which =149.82 rounded

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Find the x intercept of the parabola with vertex 3,-2 and y intercept 0,7 round to the nearest hundredth

12345 [234]

An x-intercept is namely a "solution" or "zero" or "root" often called, and when that happens, y = 0, just like with any other x-intercept.

$\bf ~~~~~~\textit{parabola vertex form}
\\\\
\begin{array}{llll}
\boxed{y=a(x- h)^2+ k}\\\\
x=a(y- k)^2+ h
\end{array}
\qquad\qquad
vertex~~(\stackrel{}{ h},\stackrel{}{ k})\\\\
-------------------------------\\\\
\begin{cases}
h=3\\
k=-2
\end{cases}\implies y=a(x-3)^2-2
\\\\\\
\textit{we also know that }
\begin{cases}
x=0\\
y=7
\end{cases}\implies 7=a(0-3)^2-2
\\\\\\
9=9a\implies \cfrac{9}{9}=a\implies 1=a\qquad therefore\qquad \boxed{y=(x-3)^2-2}$

so what is its x-intercept anyway?

$\bf \stackrel{y}{0}=(x-3)^2-2\implies 2=(x-3)^2\implies \pm\sqrt{2}=x-3
\\\\\\
\pm\sqrt{2}+3=x\qquad therefore\qquad (\pm\sqrt{2}+3~~~~,~~~~0)$

5 0

3 years ago

8 1/2+6 1/2=<br><br><br><br><br><br> ..........NO LINK

LuckyWell [14K]

Answer:

15

Step-by-step explanation:

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3 years ago

Read 2 more answers

Skip count 99 Times by tens. there are 9 ones. the number is what.

Alenkasestr [34]

Well, 99 times 10 is 990, 990 plus 9 is 999. If you understand pls respond

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3 years ago

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pychu [463]

The answer is 3.92%

Explanation

Do 2 divided by 51
0.03921

Multiply your answer by 100
3.9215

Round to the nearest tenth
3.92%

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3 years ago

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yuradex [85]

I think the answer that u r looking for is C

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3 years ago