X² - 16x =23
16/2= 8; 8²=64 add 64 to both sides of the equation
x² - 16x + 64 = 23 + 64
the answer is D.
360/9= 40
180-40= 140
140/2= 70
X=70
Answer:
Answer is D
Step-by-step explanation:
Hope that helps
I’m not sure what they are asking for. One way is -6(2x -4 + 3y)
That’s really the only way to factor it
Answer:
2 hrs, 24 min
Step-by-step explanation:
Sally: in one hour, she can paint 1/4 of the room.
Joe: in one our, he can paint 1/6 of the room
Hour one: 1/4+1/6=3/12+2/12=5/12
1÷5/12=1*12/5=12/5
12/5= 2 & 2/5 hours, or 2.4 hours, or 2 hrs 24 minutes
