ABC is an isosceles triangle.
Sides : AB = BC
3 x - 7 = 2x
3 x - 2 x - 7 = 2 x - 2 x
x - 7 = 0
x - 7 + 7 = 0 + 7
x = 7
Segment AC:
AC = 3 * 7 - 7 = 21 - 7 = 14
Answer: C ) 14
Answer:
Option B and Option C
Step-by-step explanation:
If all trees in a forested area are cut down, in the following ways the air composition will change in that area:
Carbon dioxide levels increase
Oxygen levels decrease
Answer:
The value of k is 0.8
Step-by-step explanation:
we have

This linear equation represent a direct variation
we have
y=1.2, x=1.5
substitute in the equation

solve for k
divided by 1.5 both sides

The linear equation is

Answer:
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centre: (0,0)
Radius: square root of 30