Answer:
x=-4,y=-3
Step-by-step explanation:
Answer:
= 72a + 20s
Step-by-step explanation:
Given that;
a = number of adult tickets sold
s = number of student tickets sold.
According to given condition:
For first night;
=2(9a) + 5s
=18a + 5s
For second night:
= 3*18a + 3*5s
= 54a + 15s
Expression for total money of both nights:
= (18a + 5s ) + (54a + 15s )
Adding same terms:
= 72a + 20s
i hope it will help you!
Answer:
europa
Step-by-step explanation:
Answer: not a right triangle
Step-by-step explanation:
if it is a right triangle the pyth. theorem must stand
12^2+12^2 does not equal 15^2
so it is not a right triangle
Answer:
1. pi*3^2=9pi <------ you can replace pi with 3.14 or 22/7 by multiplying
2. pi*d/2 ^2= pi*16=16pi
3. The square root of 78.5/pi should be the radius
4. 100pi
5. square root of 3.14/pi
6. 16pi
7. 36pi
8. 81pi
Step-by-step explanation: