Answer:
39 points.
Step-by-step explanation:
Correct questions: 22*2=44
Blank questions: 7*0=0
Incorrect questions: -1*5=-5
Add all the points up and you get:
44+0-5=
44-5=
39 points
Answer:
the variable term 5Y
Step-by-step explanation:
4x+5y=15
+
6x-5y=18
_________
10x=33 divide by 10
x=3.3
Two intersecting lines have only ONE point in common.
Answer:
B. -75
Step-by-step explanation:
you count backwards from 5, 27 times
Step-by-step explanation:
(x + 20)º and (4x - 5)º are supplementary angles, meaning the sum of their angles = 180º.
(x + 20) + (4x - 5) = 180
5x + 20 - 5 = 180
5x + 15 = 180
5x = 165
165/5 = 33
Answer: x = 33