Answer:
x = (z + 3y) / 20
Step-by-step explanation:
20x - 3y = z
+3y +3y
-----------------------
20x = z + 3y
/20 /20
-----------------------
x = (z + 3y) / 20
Answer: Equilateral Triangles
Step-by-step explanation: Let x = the degree measure of each angle. Triangles have three angles and so we will add x THREE times. Makes sense, right? If all the angles are equal, and they add up to 180, then it has to be 60 degrees!
Answer:
600 square mm
Step-by-step explanation:
there is a total of 12 5 by 5 squares, and 6 5 by 10 rectangles. 12*25=300 and 6*50=300 so 300+300=600
Answer:
D
Step-by-step explanation:
C=0.05M+40
Cost = 5 cents per minute plus 40 dollars