Answer:
Step-by-step explanation:
Bấm máy tính hệ phương trình là ra
Answer:
178.3 mm²
Explanation:
The surface area of the regular pyramid is equal to the sum of the base and lateral areas:()
17. 2x<16 x=7 or lower
All I can help you with is #17,
sorry that I can't answer the other 3.
I hope this helped! :-)
(5.6)(1.8) the answer is 10.08
Let the number of students who bought tickets be s,
Let the number of adults who bought tickets be a,
Equation 1:

Equation 2:

Substitute ( 2 ) into ( 1 ),

Substitute a = 110 into ( 2 ),

Ans: 40 Student Tickets, 110 Adult Tickets