Answer:
720cm^2
Step-by-step explanation:
i dont think this is right answer
Answer:
5
Step-by-step explanation:
Answer:
About 7:45
Step-by-step explanation:
7:40 OR 7:45 because sometimes the traffic light takes a while but 7:45 is best.
There is a 6% decrease as 639.20 divided 680 is 0.94. Meaning 6% decrease.
Answer:
Yes, parallelogram OABC is a rectangle.
Step-by-step explanation:
The vertices of a parallelogram are O(0,0), A(-4,1), B(-3,5) and C(1,4).
A parallelogram is a rectangle if its any two adjacent sides are perpendicular to each other.
product of slopes of two perpendicular lines is -1.
Formula for slope is
Using the formula we get
It means OA is perpendicular to AB.
Since two adjacent sides are perpendicular, therefore the given parallelogram OABC is a rectangle.