3 years ago

Can someone help me. im extremely bad at math

Mathematics

1 answer:

Vanyuwa [196]3 years ago

6 0

I not sure but this what i think

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Write the expanded form of the expression<br><br> 0.5(14x − 4y + 12)

natka813 [3]

0.5(14x-4y+12)= 0
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I really need help with this right now :(

erma4kov [3.2K]

Lol sry nobody came to help you earlier...
honestly u shoould just put all the values in a calculator.
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3 years ago

1. The formula for the volume of a cone is

Andre45 [30]

Answer:

$r=\sqrt{\frac{3V}{\pi\ h}}$

Step-by-step explanation:

The volume of cone is given by:

$V=\frac{1}{3}\pi\ r^2\ h$

where $r$ is the radius of the base and $h$ is the height of the cone.

We need to solve for $r$

we have $V=\frac{1}{3}\ \pi\ r^2\ h$

Multiplying both sides by 3 to remove $\frac{1}{3}$

⇒ $3\times V=3\times \frac{1}{3}\ \pi\ r^2\ h$

⇒ $3V=\pi\ r^2\ h$

dividing both sides by $\pi\ h$

⇒ $\frac{3V}{\pi\ h}=\frac{\pi r^2 h}{\pi\ h}$

⇒ $\frac{3V}{\pi\ h}=r^2$

Taking square root both sides:

⇒ $\sqrt{\frac{3V}{\pi\ h}}=\sqrt{r^2}$

⇒ $\sqrt{\frac{3V}{\pi\ h}}=r$

∴ $r=\sqrt{\frac{3V}{\pi\ h}}$

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6= 24-6a what is a.......................

AnnyKZ [126]

Answer:

Step-by-step explanation:

6=24-6a

6a=24-6

6a^6=18^6

a=3

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Umnica [9.8K]

Answer:

2.5909090909

Step-by-step explanation:

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