<span>461.81 cm^3 .................................</span>
Answer:
12 and 1/2 (12.5)
Step-by-step explanation:
Answer:


Step-by-step explanation:
Given


Required
Determine the solution
Make x the subject of formula in: 

Divide both sides by 4


Substitute
in 

Solve the fraction

Open the bracket


Subtract 0.1 from both sides


Divide both sides by 0.2

Substitute 0 for y in 




here ya go!!! I hope this helps <3
Answer:
C. 70 cm
Step-by-step explanation:
Split all the shapes, so, the square would be:
4 × 10 = 40
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Each triangle has an area of 7.5:
7.5 × 4 = 30
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30 + 40 = 70
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Have a good day :)