Answer:
5r-1+3r=7r+1
5r+3r-7r=1+1
r=2
If it helps you can I get brainliest
Step-by-step explanation:
Let width be x
length= 6+x
p=2(l+w)
20=2(6+x+x)
10=2x+6
10-6=2x
4=2x
x=4/2
x=2
Therefore the width is 2 cm and length is (6+2)= 8 cm
Hope I helped :)
A. x = -2 and y = -5
check:
x^2 - 9 = 0
B. x = 0 and y = -6
check:
x^2 - 6 = 0
C. x1 = 3, x2 = 5
check:
(x - 3)(x - 5) = 0
D. x1 = 0, x2 = 4
check:
x(x - 4) = 0
Answer:
(x+1)²+(y-2)²= 20
Step-by-step explanation:
P = (-3,-2)
Q = (1, 6)
<u>Center (h, k)</u>
C = ((-3+1)/2 , (-2+6)/2)
C = (-2/2 , 4/2)
C = (-1 , 2)
Radius = Distance from the center to point Q
R = √((1-(-1))² + (6-(2))²)
R = √((2)² + (4)²)
R = √(4+ 16)
R = √20
Equation
(x-h)²+(y-k)²= R²
(x-(-1))²+(y-2)²= (√20)²
(x+1)²+(y-2)²= 20