Answer:
m∠BCD = 120°
Step-by-step explanation:
Since the interior angles of a quadrilateral add up to 360°, then we get:
2x+x+2x+x=360°
6x=360°
<em>Divide both sides by 6</em>
x=60°
Since ∠BCD's value is 2x and x is equal to 60°, then ∠BCD is 120°.
Answer:
No
Step-by-step explanation:
84/56=1.5
16/9=1.78
Answer:
See below
Step-by-step explanation:
She rotated clockwise but needs to go counterclockwise. It should be (-4, 2)
The answer should be 31
(10(3)+8)-(1(3)+4)
(30+8)-(3+4)
= 31
Psychology
<span>z =(48-87)/14 </span>
<span>z = -2.796 </span>
<span>Economics </span>
<span>z =(52-53)/8 </span>
<span>z = -0.125 </span>
<span>The score of Economics is better.</span>
