A). They are supplementary angles meaning they add up to 180
So
B) (12x+8)+(3x+7)=180
12x+8+3x+7=180
15x+15=180
-15 -15
15x=165
15/15x=165/15
x=11
Angle 1 is
12x+8
12(11)+8
132+8
140
Therefore measure of angle 1 is 140°
Angle 2
3x+7
3(11)+7
33+7
40
Measure of angle 2 is 40°
Answer:
Step-by-step explanation: Savannah drove 264 more miles on Monday than Tuesday because 716 minus 572 is 264.
<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>att</em><em>ached</em><em> </em><em>picture</em>
<em>hope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em> </em><em>.</em><em>.</em><em>.</em><em>.</em>
BX would be 6 because it is half of BC. The perimeter of ABCD is 40, dividing that by 2 would get you ZBXY's perimeter. This means divide each side by 2. 12/2=6
Answer:
Step-by-step explanation:
7-2+(4•7)
5+28
=33