The answer is 0.36. I don't think u need to explain why, right ;)
Answer:
Step-by-step explanation:
![( \frac{625}{16} {)}^{ \frac{1}{4} } \\ \sqrt[4]{ \frac{625}{16} } = \frac{ \sqrt[4]{625} }{ \sqrt[4]{16} } \\ \frac{ \sqrt[4]{ {5}^{4} } }{ \sqrt[4]{16} } = \frac{ \sqrt[4]{ {5}^{4} } }{ \sqrt[4]{ {2}^{4} } } = \frac{5}{2}](https://tex.z-dn.net/?f=%28%20%5Cfrac%7B625%7D%7B16%7D%20%20%7B%29%7D%5E%7B%20%5Cfrac%7B1%7D%7B4%7D%20%7D%20%20%5C%5C%20%20%5Csqrt%5B4%5D%7B%20%5Cfrac%7B625%7D%7B16%7D%20%7D%20%20%3D%20%20%5Cfrac%7B%20%5Csqrt%5B4%5D%7B625%7D%20%7D%7B%20%5Csqrt%5B4%5D%7B16%7D%20%7D%20%20%20%5C%5C%20%20%5Cfrac%7B%20%5Csqrt%5B4%5D%7B%20%7B5%7D%5E%7B4%7D%20%7D%20%7D%7B%20%5Csqrt%5B4%5D%7B16%7D%20%7D%20%20%3D%20%20%5Cfrac%7B%20%5Csqrt%5B4%5D%7B%20%7B5%7D%5E%7B4%7D%20%7D%20%7D%7B%20%5Csqrt%5B4%5D%7B%20%7B2%7D%5E%7B4%7D%20%7D%20%7D%20%20%3D%20%20%5Cfrac%7B5%7D%7B2%7D%20)
Answer:
He spend 75.12
Step-by-step explanation:
First determine the amount of the tip
62.60 * 20%
62.60 *.20
12.52
Add this to the cost of the sandwiches
62.60+ 12.52
75.12
Answer: n=58
Step-by-step explanation:
7(n-7)=3(2n+3)
We move all terms to the left:
7(n-7)-(3(2n+3))=0
We multiply parentheses
7n-(3(2n+3))-49=0
We calculate terms in parentheses: -(3(2n+3)), so:
3(2n+3)
We multiply parentheses
6n+9
Back to the equation:
-(6n+9)
We get rid of parentheses
7n-6n-9-49=0
We add all the numbers together, and all the variables
n-58=0
We move all terms containing n to the left, all other terms to the right
n=58
