Answer:
x = 80
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
Sum the 3 angles and equate to 180
x + 30 + 70 = 180, that is
x + 100 = 180 ( subtract 100 from both sides )
x = 80
If TWO points lie in a plane, the LINE containing them also lies in the same plane.
Answer:
1 : 4
Step-by-step explanation:
Remember, your units have to match, so
3 in : 1 ft
doesn't look right, change 1 ft to 12 in.
3 in : 12 in
reduce by 3
1 : 4
What 2 numbes multiply go get 6 and add to get -5
-6 and 1
(x-6)(x+1)=0
set to zero
x-6=0
x=6
x+1=0
x=-1
last one
Answer:
154
Step-by-step explanation:
if you write down all the numbers in a line then you go from 169 and 144 equally to the middle you would reach 154