3.5 3.4 3.3 3.2 3.1 3 -5.5 -1 -2
Answer:
x = ± 
Step-by-step explanation:
Given
x² = 20 ( take the square root of both sides )
x = ± 
which can be simplified to
x = ± 2
[ ± means plus or minus ]
Answer:
c. 3.5 because the difference between both triangles is 1 cm so 4.5 - 1 = 3.5
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
35x -10y=-120
10x +10y= 30
45x=-90
x=-2
5(-2)+5y=15
-10+5y=15
5y=25
y=5
(-2,5): the answer is b