Answer:
see below
Step-by-step explanation:
Multiply by 2 and expand the right side:
2A = b1h +b2h
Subtract the b2 term:
2A -b2h = b1h
Divide by h:
b1 = (2A -b2h)/h
30 dollars
If she received 30 dollars in change then she paid with a 100 dollar bill
Answer:
Yeah its B or 99
Step-by-step explanation:
This problem is easy to solve even without a calculator. Simply 10 times 10 would be 100 (since its asking for square root) and the closest number to 100 would be 99 and the square root of 99 is around 9.94.
Answer:
Opt. B
Step-by-step explanation:
The key feature is to eval x in a point where |x| is zero, since the vertex of the function is located at that point.
|x|=0 means that y=-4.
Hence the vertex of this point is located at (0,-4)
4 Units down if we compare with the parent function y=|x|