Answer:
![n=3.875](https://tex.z-dn.net/?f=n%3D3.875)
Step-by-step explanation:
First, we can expand the brackets:
(given)
![-5n+9+3n=-10n+40](https://tex.z-dn.net/?f=-5n%2B9%2B3n%3D-10n%2B40)
(combine like-terms)
![8n=31](https://tex.z-dn.net/?f=8n%3D31)
![n=3.875](https://tex.z-dn.net/?f=n%3D3.875)
Hope this helps :)
Answer:
answer below
Step-by-step explanation:
They want you to put the first fraction in mixed numbers.
21/5 divided by 4/5
When dividing fractions flip the second fraction
21/5 times 5/4
Then multiply across
105/20 = 21/4 or 5.25
Answer:
it is unlikely that the spinner lands on pink.
Step-by-step explanation:
![1- \frac{1}{8}\\ = 7/8](https://tex.z-dn.net/?f=1-%20%5Cfrac%7B1%7D%7B8%7D%5C%5C%20%3D%207%2F8)
There is 7/8 chance it is not going to land on pink
9514 1404 393
Answer:
2.2 miles
Step-by-step explanation:
The Law of Cosines can be used to figure this.
c² = a² +b² -2ab·cos(C)
c² = 1.2² +1.9² -2(1.2)(1.9)cos(87°) ≈ 4.811348
c ≈ √4.811348 ≈ 2.193
It is about 2.2 miles across the water from the pier to the restaurant.