Answer:
Line b and line c are perpendicular.
Step-by-step explanation:
Perpendicular lines have opposite reciprocal slopes, and -1/2 and 2 are opposite reciprocals.
Answer: 140 square units.
Step-by-step explanation:
The area of triangle with vertices is given by
Then area of triangle QRS with vertices (6,10), (2,-10) and (-9,5) is given by :-
Answer:
y = 50
Step-by-step explanation:
Firstly, let's make an equation. We know that when y is 15, x is 3. Or, in other words, y is 5 times what x is. Therefore we can use the equation, y = 5x.
Now, just plug x into the equation.
y = 5(10)
y = 50
Answer: probably 4 cards each person
Step-by-step explanation:
It decreases
The further two objects are, the gravitational attraction decreases and the closer two objects are, the gravitational attraction increases