Substitute and . Then the integral transforms to
Apply the power rule.
Now put the result back in terms of .
Answer:
Step-by-step explanation:
Third one.
This is because the dot is at -1 and the line goes over the values greater than -1.
Answer:
Step-by-step explanation:
just draw the triangle but flipped over the red line
sorry for the bad drawing
S - the number of the t-shirts;
h - the number of hats:
The system of equations:
s + h = 23
10 s + 12 h = 246
--------------------------
s = 23 - h
10 * ( 23 - h ) + 12 h = 246
230 - 10 h + 12 h = 246
2 h = 246 - 230
2 h = 16
h = 16 : 2
h = 8
s = 23 - 8
s = 15
Answer: The basketball team sold 15 t-shirts and 8 hats.
I don't know about estimate but the answer is 7 7/8 hours