C
14²+21²-√49
196+441-7
630
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Answer:
Yes, No, Yes, Yes
Step-by-step explanation:
1a = Yes
1b= No
1c= Yes
1d =Yes
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Answer:

Step-by-step explanation:
Given
The attached triangle
Required
Find x
Considering angle 30 degrees,


Using the tangent formula:

Make x the subject




In logic and mathematics, a truth value, sometimes called a logical value, is a value indicating the relation of a proposition to truth.
Answer:
1/4
Step-by-step explanation:
minus power can be moved below the division line as 2^2/2^4=4/16