Answer:
Step-by-step explanation:
Step 1: Subtract 3x from both sides.
5x−4−3x=3x+18−3x
2x−4=18
Step 2: Add 4 to both sides.
2x−4+4=18+4
2x=22
Step 3: Divide both sides by 2
2x/2= 22/2
x= 11
<span><span>x=<span><span>−4</span>+<span><span><span><span><span>√21</span></span> or </span></span>x</span></span></span>=<span><span>−4</span>−<span>√<span>21</span></span></span></span>
Answer:
a) Angle XBC = 55 because XY is parallel with BD
b) As given, XB = XC, so that triangle XBC is the equilateral triangle.
As XBC is equilateral triangle, angle XBC is equal to angle XCB
Angle XBC = 55° => Angle XCB = 55°
In a triangle, the total value of three corners are equal to 180°
So that: Angle XBC + Angle XCB + Angle BXC = 180°
=> 55° + 55° + Angle BXC = 180 °
=> Angle BXC = 70°
Answer:
Step-by-step explanation:
exponential growth function
Answer:
Step-by-step explanation:
We have the following quadratic equation
The factored expression will have the following form
Where b and c are two real numbers which when added together result in -1, and multiplying them results in -20
You can verify that the numbers that meet this condition are:
-5 and 4
Then the factors are:
