Answer: 0.1 or 1/10
Step-by-step explanation:






Cross, cancel common factor


Answer:
Step-by-step explanation:
So first we notice that the traingles are similar which makes my work much easier.
27:42 can be simplified to 9:14.
That means x is 28
And sharks to dolphins is 12.
That means the smaller triangle is 27 18 12 and the bigger triangle is 42 28 and x. Try and do it yourself if you can't just comment and I'll help you :)
Step-by-step explanation:
Can you put a picture or give more information?
Calculate circumference. You can do the math mentally with area & perimeter,but circumference is much more complex
Answer:
D.
Step-by-step explanation:
After the third step, take the square root of both sides.
Third Step:

Thus, the fourth step is:

The left side cancels:

D.