Mathematics: which investment produces a $40 daily profit for a game shop earning $2 profit from every game sold? a. vehicle with $120 daily operating cost, delivering 80 games per day b. inventory software with $10 daily operating cost, saving 30 games per day from theft c. game cleaning system with $5 daily operating cost, increasing sales by 15 games per day d. electronic billboard with $20 daily operating cost, increasing sales by 20 games per day

In polar coordinates, we haveFrom this we can writeIf , then , so we get...

which investment produces a $40 daily profit for

Ответ:

Angelanova69134

17.01.2022

Lets start with a. so 80 games per day, and each game is 2 dollars so
80x2 = 160. 160 profits minus cost daily is 160 - 120 = 40. So A. is the answer.

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Ответ:

scholar13

17.01.2022

Mathematics

Yes, the answer is A even though it uses the words delivering instead of selling. It is the only option that earns $40 after calculating 80 games x $2/per game=$160 -120 cost=$40 profit.

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Ответ:

camilacarrielh15

08.06.2021

Mathematics

In polar coordinates, we have

$x=r\cos\theta\implies\cos\theta=\dfrac xr$
$y=r\sin\theta\implies\sin\theta=\dfrac yr$

From this we can write

$\tan\theta=\dfrac{\sin\theta}{\cos\theta}=\dfrac{\frac yr}{\frac xr}=\dfrac yx$

If $\theta=\dfrac{4\pi}3$ , then $\tan\theta=\sqrt$ , so we get

$\dfrac yx=\sqrt3\implies y=\sqrt3\,x$

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