Answer:
Cross multiplication is the method used to determine whether or not a proportion is true.
Explanation:
If you know one ratio in a proportion, you can use that information to find values in the other equivalent ratio.
Cross multiplication is the method used to determine whether or not a proportion is TRUE.
For example, if a bowl of fruit contains 10 oranges and 8 lemons, then the ratio of oranges to lemons is 10 is to 8 (that is, 10 : 8 ), which is equivalent to the ratio 5:4).
Answer:
Step-by-step explanation:
To convert from degree to radian measure
radian measure = degree measure × 
Hence
radian measure = 225 × = 
=
Answer:
2 7/8
Step-by-step explanation:
Step-by-step explanation:
(x+2y)²=x²+4xy+4y²
...........
Answer
Algae to(-->) Mayfly nymph, Mayfly nymph to Dragonfly nymph and Trout, Dragonfly nymph also to Trout, Trout to Osprey.
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