Step-by-step explanation:
Approach: If four numbers a, b, c and d are in proportion then a:b = c:d. The solution is to sort the four numbers and pair up the first 2 together and the last 2 together and check their ratios this is because, in order for them to be in proportion, the product of means has to be equal to the product of extremes.
Answer:240
Step-by-step explanation: Either multiply 400 by 6/10 or .6. Either way you get 240.
Answer:
c i n d e r e l l a
Step-by-step explanation:
Answer:
u can use desmos to help u.
Step-by-step explanation:
Answer:
Step-by-step explanation:
For this problem, we will need to use the product rule:
In this problem, 
and 
Finding the derivative of each gives us the following:
Plugging these values into the product rule gives us the final derivative:
