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7nadin3 [17]
3 years ago
11

Find the selling price. Cost to store 90$. Markup 70%

Mathematics
1 answer:
Andre45 [30]3 years ago
5 0

Answer:

$153

Step-by-step explanation:

You would multiply 90 and 0.70 to get 63. Then you add that to the original price, 90, and get 153.

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The quotient of negative 1 and the product of a number and 21.
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<span>Let the number be x.
The quotient of negative 1 and the product of a number and 21 is -1/21x</span>
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Thee vertex of a parabola is (-5,2), and its focus is (-1,2). What is the standard form of the parabola?​
Alla [95]

Check the picture below.  So the parabola looks more or less like so.

\bf \textit{horizontal parabola vertex form with focus point distance} \\\\ 4p(x- h)=(y- k)^2 \qquad \begin{cases} \stackrel{vertex}{(h,k)}\qquad \stackrel{focus~point}{(h+p,k)}\qquad \stackrel{directrix}{x=h-p}\\\\ p=\textit{distance from vertex to }\\ \qquad \textit{ focus or directrix}\\\\ \stackrel{"p"~is~negative}{op ens~\supset}\qquad \stackrel{"p"~is~positive}{op ens~\subset} \end{cases} \\\\[-0.35em] ~\dotfill

\bf \begin{cases} h=-5\\ k=2\\ p=4 \end{cases}\implies 4(4)[x-(-5)]=[y-2]^2\implies 16(x+5)=(y-2)^2 \\\\\\ x+5=\cfrac{1}{16}(y-2)^2\implies x = \cfrac{1}{16}(y-2)^2-5

6 0
2 years ago
Read 2 more answers
How are the ordered pair (4,9) and (4,-9) similar, and how are they different?
melamori03 [73]

Answer:

Both of the points are in the same x-axis (which is 4). However, they are different because one of them is shifted 9 units up and the other one is shifted 9 units down (their y-axis are different). Their quadrants are also different since (4,9) is at the first quadrant, while (4,-9) is at the fourth quadrant.

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y = 2x

Step-by-step explanation:

7 0
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Answer:

So Jennys Jean store charges the higher rate.

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So Jennys Jean store charges the higher rate.

4 0
2 years ago
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