Answer:
Step-by-step explanation:
The solution is the coordinates of the point where the lines intersect: (3,5)
Answer:
the triangle means "change in". so triangle x means the change in the x values and triangle y means change in y values so yeah mental calculate the difference
Times both sides by (x-2)
x+3=5(x-2)
x+3=5x-10
minus x both sides
3=4x-10
add 10 both sides
13=4x
divide by 4
13/4=x
Answer:
Step-by-step explanation:
for 2.2 you would still have 5^2 in brackets still
same kind of error for 2.1
The answer is 50
The ratio of boys to girls is 10:25 in the school
If sample has 20 boys (10x2) then based on ratio it would likely have 50 girls (25x2)
