10•4=40. 40 is the perimeter of the square. To find the perimeter of the semicircle use the circle perimeter (circumference) formula and divide that answer by two. This would be pi•10. You get 31.4. Then divide by 2 so it’s 15.7. Finally add 15.7 and 40. Hope this helps... sorry it’s such a long answer
Answer:
Step-by-step explanation:
3(x+7)=-36
x+7=-12
x=-19
Each means to multiply I dont know if thats the word you are asking to us to define
