If R is the midpoint of QS, QR= 8x-51 and RS = 3x-6, find QS.
2 answers:
Answer: The required length of QS is 42 units.
Step-by-step explanation: Given that the point R is the midpoint of the line segment QS,
where QR= 8x-51 and RS = 3x-6.
We are to find the length of QS.
Since R is the midpoint of the segment QS, so we must have
Therefore, the length of QS is given by
Thus, the required length of QS is 42 units.
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when:
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2. which identity is not used in the proof of the identity
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<span>"1 +cos squared theta over sin squared theta= csc2theta"
Written in mathematical language as follows:
</span>
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The domain of a function are the inputs of the function, that is, a function
1. D<span>omain of validity for
</span>
When:
when:
where k is an integer either positive or negative. That is:
To match this with the choices above, the answer is:
<span>"All real numbers except multiples of
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2. which identity is not used in the proof of the identity
This identity can proved as follows:
The identity that is not used is as established in the statement above:
<span>"1 +cos squared theta over sin squared theta= csc2theta"
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