Answer:
Step-by-step explanation:
Parallelogram are square, rectangle, rhombus, and rhomboid and all with opposite lines that are parallel. Where each angle add up to 360. There are many quadrilaterals that are not parallelogram lesser known ones like convex quadrilaterals that are not parallelograms as they have no parallel lines and do not add up to 360. Polygons that intersect are not parallelograms. We can therefore show upon the parallelogram that there are 2 parallel lines within 4 lines of ABCD and if needed used in analogy with a 3 vertices triangle. Parallelogram like other quadrilaterals have 4 vertices but the angles of a parallelogram would alternate when drawn corner to corner. Diagonals must intersect at the opposite angle. We call them diagonals (not diagonal line) on a parallelogram, simply as where one crosses the other crosses and they become the plural.
Answer:
b) 4.5 hours
Step-by-step explanation:
The first cyclist has a 3-hour head start. At 6 mph, that is an 18-mile head start.
The second cyclist gains on the first at the rate of (10 -6) = 4 mph, so will make up that 18 miles in ...
(18 mi)/(4 mi/h) = 4.5 h
The second cyclist will catch up with the first after 4.5 hours from the time the second cyclist started.
Answer:
The first is a solution, but the second is not
Step-by-step explanation:
we know that
If a ordered pair is a solution of a linear equation, then the ordered pair must satisfy the linear equation (makes the equation true)
we have
<u><em>Verify the first ordered pair</em></u>
Part a) we have (2,-9)
For x=2, y=-9
substitute in the linear equation
----> is true
so
The ordered pair satisfy the equation
The ordered pair is a solution of the equation
<u><em>Verify the second ordered pair</em></u>
Part b) we have (3,-6)
For x=3, y=-6
substitute in the linear equation
----> is not true
so
The ordered pair not satisfy the equation
The ordered pair is not a solution of the equation