Answer:
The value of 
is 
.
Step-by-step explanation:
From Analytical Geometry we get that ratio of BC to BE is:
(From definition of midpoint)
If we know that 
and 
, then, the equality above is expanded:
The value of is .
Answer:
570 adults and 215 children
Step-by-step explanation:
did this assignment and got it right
5a + 2c = 3280 where a is adults and c is children
subtraction eliminates c, find a
3a + 0 = 1710
a = 1710/3
a = 570 adult and then you have to subtract 785-570= 215 children
Answer:
The total number of students she teaches is 115
Step-by-step explanation:
Here, we want to get the total number of students that Mrs Randolph teaches
To get this, we simply add up the number for the individual sessions
Mathematically, we have this as;
26 + 32 + 27 + 30 = 115 students
Answer:
2/3
Step-by-step explanation:
1-(-7)=8 8/12 simplify= 2/3
9-(-3)=12
