18 feet = 18/3 yard = 6 yard
6 inches = 1/2 feet = 1/6 yard
Volumen = (6yar)(6yard)(1/6yard) = 6 cubic yard
Cost = 6 cubic yard * $42.00 / cubic yard = $ 252.00
Answer: the first option, 252.00
The answer i c,because if u sum it up,u get that
Answer:
![9\pi](https://tex.z-dn.net/?f=9%5Cpi)
Step-by-step explanation:
The area of a sector is given by;
![A= \frac{1}{2} {r}^{2} \theta](https://tex.z-dn.net/?f=A%3D%20%5Cfrac%7B1%7D%7B2%7D%20%20%7Br%7D%5E%7B2%7D%20%20%5Ctheta)
From the given information, the central angle is
![\theta = \frac{ \pi}{9}](https://tex.z-dn.net/?f=%20%5Ctheta%20%3D%20%20%5Cfrac%7B%20%5Cpi%7D%7B9%7D%20)
and
![A= \frac{\pi}{2}](https://tex.z-dn.net/?f=A%3D%20%5Cfrac%7B%5Cpi%7D%7B2%7D%20)
Let us substitute and solve for the radius, r.
![\frac{ \pi}{2} = \frac{1}{2} \times {r}^{2} \times \frac{ \pi}{9}](https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%5Cpi%7D%7B2%7D%20%20%3D%20%20%5Cfrac%7B1%7D%7B2%7D%20%20%5Ctimes%20%20%7Br%7D%5E%7B2%7D%20%20%5Ctimes%20%20%5Cfrac%7B%20%5Cpi%7D%7B9%7D%20)
![1 = \frac{ {r}^{2} }{9}](https://tex.z-dn.net/?f=1%20%3D%20%20%5Cfrac%7B%20%7Br%7D%5E%7B2%7D%20%7D%7B9%7D%20)
![{r}^{2} = 9](https://tex.z-dn.net/?f=%20%7Br%7D%5E%7B2%7D%20%20%3D%209)
![r = \sqrt{9} = 3 \: units](https://tex.z-dn.net/?f=r%20%3D%20%20%5Csqrt%7B9%7D%20%20%3D%203%20%5C%3A%20units)
The area of a circle is given by:
![= \pi \: {r}^{2}](https://tex.z-dn.net/?f=%20%3D%20%5Cpi%20%5C%3A%20%20%7Br%7D%5E%7B2%7D%20)
Substitute the radius to get:
![= \pi \times {3}^{2} \\ = 9\pi](https://tex.z-dn.net/?f=%20%3D%20%5Cpi%20%5Ctimes%20%20%7B3%7D%5E%7B2%7D%20%20%5C%5C%20%20%3D%209%5Cpi)
Answer:
áedw
Step-by-step explanation:
đá
Answer:
a = 31.7
c = 39.1
Step-by-step explanation:
tan54 = a / 23
a = 23 * tg54
a = 31.7
sin54 = 31.7 / c
c = 31.7 / sin54
c = 39.1
:)