Answer:
The money they make on selling pies on Saturday is $68 (approximately).
Step-by-step explanation:
Given:
Cost of an apple pie is $9.75.
Total apple pie sold on Saturday is 7.
So, to get the total amount of apple pie sold on Saturday:



Total amount = $68.25.
Therefore, the money they make on selling pies on Saturday is $68 (approximately).
Yes 1/4 is a rational number
Answer:
Step-by-step explanation:
v = {[(20sin36°)i + (20cos36°)j] + 10i} mi/h
vE = 20sin36º + 10 = 21.76 mi/h
vN = 20cos36° = 16.18 mi/h
v = √(vE2 + vN2) = √(21.762 + 16.182) mi/h = 27.12 mi/h
θ = tan-1(vN/vE) = tan-1(16.18/21.76) = 36.6º north of east