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skad [1K]
3 years ago
6

A sporting goods store marks up the cost s of the soccer balls by 250%. Write an expression that represents the retail cost of t

he soccer balls. The store buys soccer balls for $5.00 each. What is the retail price of the soccer balls
Mathematics
1 answer:
jeyben [28]3 years ago
7 0

Answer:

$5.13

Step-by-step explanation:

So, <em>s</em> = $5.00.

OG Price * 1.0<em>a</em> = Total (that is the expression)

5.00 * 1.0250) = 5.125* = $5.13

<em>a</em> is the percentage of markup with no decimal!

) = I don't think you need the 0, but just in case!

* (at end)= round!

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Given the points C(-1,-5) and D(-7,11) find the coordinates of point E on CD such that the ratio of CE to ED is 5:3.
Anon25 [30]

Answer:

The coordinates of point E on CD are \left(-\frac{19}{4},5 \right).

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\overrightarrow {CE} = \frac{5}{3} \cdot \overrightarrow{ED}

And let consider that each point is a vector with respect to origin:

\vec C = (-1, -5) and \vec {D} = (-7,11)

Then,

\vec E -\vec C = \frac{5}{3}\cdot (\vec D -\vec E)

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The coordinates of point E on CD are \left(-\frac{19}{4},5 \right).

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