X : number of tacos they sell per day. ...... profit = y = 3.25 × x - 210 ......inequality. y > 0. so. x > 210/3.25 = 840/13 = 64. ......so the taco stand must sell at least 65 tacos for making profit.
Answer:Yes, he is answer is reasonable
Step-by-step explanation:
First, you plus 3 7/10 with 5 4/8.
Then , when you get 8 11/10 you do add mixed number.
Finally, you get the answer that is 9 1/10
Answer:
11
Step-by-step explanation:
Answer:
The angle is 50.2°.
Step-by-step explanation:
The tree and its shadow from a right triangle with the tree being the perpendicular and the shadow being the base as shown in the figure attached.
Therefore the angle θ formed by the sun's rays and the ground is:

Answer:
Step-by-step explanation:
Q1)
Use Phythogoras theorem:

Q2)
Apply phythogoras theorem:

Q3)
Apply phythogoras theorem again:

I have an attached an image for Question 2 for better understanding the length of DE in question equals 15 - 6 = 9