Answer:
Step-by-step explanation:
Using the midpoint formula, the coordinates of 
are 
.
Answer:
angle b is 62 degrees. This is because if we solve for x, by putting the 2 equations equal to each other(because they are vertical angles), than we figure out that x=6. Now plug that into angle b's equation, and you get 62 degrees.
Step-by-step explanation:
Answer is 7.
55+5X=90
5X=90-55
5X=35
X=35/5
X=7
Answer:
84
Step-by-step explanation:
x = number of girls
The total for boys is 2x * 81 and for girls it would be 90x
Therefore, the equation goes like this:
2x * 81 + 90x
Then simplify, and set to equal 3x...
3x = 252
Which is the same as
x = 84
Thank me later :)
Answer:
Step-by-step explanation: Go on answer.com if no one knows it on here. Hope this helps!!
