160+30x Because you initially start with 160 and 30 feet per second. the 30 feet is the one that's progressing so that's the x.
A line that is tangent to each of the two coplanar circles
Answer:
After 6 weeks Rosa has saved $490.
Step-by-step explanation:
1. You have the function given in the problem above, where
os the number of weeks:

2. Therefore, to solve this problem you only need to substitute 6 weeks (or
) into the given function, as following:

3. The result is $490.
Answer:
No.
Step-by-step explanation: Assuming you mean x^3*x-7, these two equations do not produce the same line.
Answer:
3, 4, 5 and 5, 12, 13
Step-by-step explanation:
The square of the largest side is equal to the sum of the squares of the other 2 sides.
5² = 3² + 4²
13² = 5² + 12²
The 2 triplets are (3, 4, 5 ) and (5, 12, 13)