01:

Mathematics

1 answer:

Jobisdone [24]3 years ago

4 0

Answer:

Step-by-step explanation:

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Four students about to purchase concert tickets for $18.50 for each ticket discover that they may purchase a block of 5 tickets

soldier1979 [14.2K]

So, its 18.5 per person

80/5=16
18.5-16=2.5

They would each save 2.5 dollars each.

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3 years ago

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Whitepunk [10]

Answer: it is 24 UWU

Step-by-step explanation:

4 0

3 years ago

Make r the subject of the formula v = \pi \: h {}^{2}(r - \frac{h}{3})v=πh2(r−3h)

mel-nik [20]

Answer:

$\boxed{r = \frac{h}{3} + \frac{v}{\pi {h}^{2} } }$

Step-by-step explanation:

$Solve \: for \: r: \\ = > v= \pi {h}^{2}(r - \frac{h}{3} ) \\ \\ v=\pi {h}^{2}(r - \frac{h}{3} )is \: equivalent \: to \: {h}^{2}\pi(r - \frac{h}{3} ) = v: \\ = > {h}^{2}\pi(r - \frac{h}{3} ) = v \\ \\ Divide \: both \: sides \: by \: \pi {h}^{2} : \\ = > r - \frac{h}{3} = \frac{v}{\pi {h}^{2} } \\ \\ Add \: \frac{h}{3} \: to \: both \: sides: \\ = > r = \frac{h}{3} + \frac{v}{\pi {h}^{2} }$