Answer: 11
= 10.67707825
rounded to nearest whole number would be 11
nice picture lol is that ricegum
The ratio 2:3 is equivalent to 3:4.5 so Jo's drink will taste a little more orange than the recipe
We must find UNIQUE combinations because choosing a,b,c,d... is the same as d,c,b,a...etc. For this type of problem you use the "n choose k" formula...
n!/(k!(n-k)!), n=total number of choices available, k=number of choices made..
In this case:
20!/(10!(20-10)!)
20!/(10!*10!)
184756
Answer:
A = x^2 + 4x -21
Step-by-step explanation:
L = x+7
W = x-3
A = L*W
A = (x+7)(x-3)
A = x^2 + 4x - 21