Answer:
B= 90
C= 80
D= 100
Step-by-step explanation:
So let’s start with the bottom angles.
We know that the adjacent angles in a parallelogram add up to 180° so our equation would be 
. So let’s simplify it b and b are both the same variables so we will get 2b and -10 + 10 is 0 so we get the following equation 
.
So now we divide 180 and 2 and we get 90 as b.
So one side will be 100 because of the +10 and the other 90 because of the -10.
Now for the next side.
So we know that b+10 is adjacent to c so 180-100 is 80, so 80 is c.
Now for d.
b-10 is 80 so 180-80 is 100, so d is 100.
.198 is already rounded to three decimal places. If it had a number after the 8 that was greater than 5, it would be rounded to .199, though
Answer:
The point-slope form of this equation would be y + 3 = 1/2(x - 6)
Step-by-step explanation:
In order to find this, start with the base form of point-slope form.
y - y1 = m(x - x1)
Now input the slope for m and the point for (x1, y1)
y - -3 = 1/2(x - 6)
y + 3 = 1/2(x - 6)
Answer:
x + 5 = -3
x=-10
2(3x - 8)
Step-by-step explanation:
1-
Multiply both sides of the equation by 5: 4x + 25 = -15
Move the constant to the right-hand side and change its sign : 4x = -15 - 25
Calculate the diffrerence: 4x = -40
Divide both sides of the equation by 4 : x= -10
2-
Collect like terms: 6x-4-12
Factor out 2 from the expression : 2(3x - 8)
