Answer:
Well, for (D), the answer would be 32.
Step-by-step explanation:
Because, 20 +12 =32. And 32 - 12 = 20. With the other ones that add, its the same way. You can just for example, if its -5 + b = -40, you can just go 5 - 40= which equals 35. Which should give you 40 if you add 35 and 5 together.
The final answer is:
7x120=840
7.5 i think not 100% sure tho
Answer:
The area of the composite area is 400 square millimeters.
Step-by-step explanation:
The area of the composite figure (), in square millimeters, is found by multiplying the area of the equivalent rectangle, in which a semicircle of the original rectangle is move to the opposite side of the figure, so that quantity of area is conserved:
(1)
Where:
- Width, in millimeters.
- Height, in millimeters.
If we know that , the area of the composite figure is:
The area of the composite area is 400 square millimeters.
Answer:
B
Step-by-step explanation:
slope=3
rise:3 up, run 1