Answer:
their intersection point(s)
Step-by-step explanation:
The Solution to a system of equations is the point at which the lines intersect eachother
Since the acute angle is in the corner of angle P and J, we have to base our answer off the angle we know. So angle PQ/JK is similar to angle PS/JL
Answer:
Step-by-step explanation:
Solving (i):
Open brackets
Collect like terms
Solving (ii)
Open bracket
Collect like terms
Solving (iii)
Open bracket
Collect like terms
Solving (iv)
Open bracket
Collect like terms
Solving (v):
Open bracket
Collect like terms
Solving (vi)
Open brackets
Collect like terms
Answer:
x^2 -81
Step-by-step explanation:
(x+9)(x-9)
FOIL
first x*x = x^2
outer -9x
inner 9x
last -9*9 = -81
Add them together
x^2 -9x+9x -81
Combine like terms
x^2 -81
Answer: 10 inches
Step-by-step explanation: 400/40 = 10 inches