EXPLANATION
The right options are:
(1) All trapezoids are quadrilaterals because trapezoids are four-sided polygons, so they are all quadrilaterals.
(2) All rhombuses are parallelogram because they are quadrilaterals (plane figure, closed shape, four sides) with four equal-length sides and opposite sides parallel to each other.
(4) All squares are parallelogram because they fulfill criteria of being a rectangle because all angles are right angle and opposite sides are equal.
1. ALL
2. 10,3,-1,-5,-11
3.-1/2, -2/3, 7/12, 0.82
The slope is 50 because they charge $50 for each hour of labor. The slope represents how long they have worked for and what it costs. Also the y intercept is 500, so the equation is y=50x+500
Answer:
≈1.4
Step-by-step explanation:
Technically, 1.4 time 1.6 equals 2.24, but if you put the about equal, it should be counted correct.
Answer:
x=8
Step-by-step explanation:
Angles 1 and 5 are corresponding angles.
If angles 1 and 5 are congruent, then the lines are parallel.
This means the measurement of angle 1 needs to equal the measurement of angle 5.
This is the equation we must solve:
3x+10=4x+2
Subtract 3x on both sides:
10=1x+2
Subtract 2 on both sides:
8=1x
Use multiplicative identity property:
8=x
So if x=8, then the angles 1 and 5 which are corresponding are congruent.
If corresponding angles are congruent, then the lines are parallel.
