Answer:
hey
Step-by-step explanation:
-4×x+7 ≤ x-25
-4x+7≤x-25
-7 -7
-4x≤-32
÷-4 ÷-4
x≤8
A 30% The answer is A because if you multiply 50 by .60 % your answer will be 30.
Answer:
m∠ABC=42°
Step-by-step explanation:
m∠ABD=70°
⇒m∠ABD=m∠ABC+m∠CBD
⇒70°=(3x+33°)+(5x+13°)
70°=8x+46°
70°-46°=8x
24°=8x⇒x=3°
x=3°
Then,
m∠ABC=3x+33°
put x=3°, we get
m∠ABC=3×3°+33°=9°+33°
m∠ABC=42°
