2x-3 DJ Moore
11
A polygon and expressions representing its dimensions, in meters are shown below.
2x
5-
Зr
x + 5
Which of the following represents the perimeter, in meters, of the polygon?
5x
0 5x+10
7x + 10
15

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

If m∠abc = 70°, what is m∠abd? justify your reasoning.  using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°.  using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°.  using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality.  using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.