So we have the following system of equations:
We need to solve it by substitution. This means that we have to take the expression for x given by the second equation and replace x with it in the first equation:
So y=-1. If we use this value in the second equation:
So we have x=2 and y=-1 which means that there's one solution. Then the correct answer is A and the solution is (2,-1).
Answer:
6x - y + 7 = 0
Step-by-step explanation:
To find the equation of line passing through a point and slope of same line is given, we use formula,
y - y₁ = m ( x ₋ x₁)
where, (x₁, y₁) = (6, 43)
and m is a slope of line passing through (x₁, y₁) which is equal to 6.
Substituting all values in above formula. We get,
⇒ y - 43 = 6 ( x ₋ 6)
⇒ y - 43 = 6x - 36
⇒ 6x - y + 7 = 0
which is required equation.
Answer:
43.96m is the answer
Step-by-step explanation:
circumference of circle=2πr
=2*3.14*7
=43.96m
3/20 = x/400,
cross multiply
so 20x = 3(400)
20x = 1200
x = 60
Answer:
Solve for y y and replace with f−1(x) f - 1 ( x )
Step-by-step explanation: