Answer: it’s 81
Step-by-step explanation:
easy math I know it’s 81
Your answer should be c if it is wrong try d. hope this helps :)
- Key -
Black tiles = x
Purple tiles = x+50
Yellow tiles = 5x
-
Total = x + x+50 + 5x = 400
⇒ 7x + 50 = 400
⇒ 7x = 400-50 = 350
⇒ x = 350/7
⇒ x = 50
Black tiles = 50
Purple tiles = 50+50 = 100
Yellow tiles = 5 x 50 = 250
The area of the square is 4
and the area of the triangle is 2
4+2=6
the area is 6
The opposite of 17.2 from 0 on a number line would be -17.2.
