. -1/11 plus -9/11
1 answer:
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The coordinates of P' is (9, -6) and L' is (3, -1).
<h2>Given that</h2>PL has endpoints P(4, −6) and L(−2, 1).
The segment is translated using the mapping (x, y) → (x + 5, y).
<h3>We have to determine</h3>
What are the coordinates of P’ and L’?
<h3>According to the question</h3>PL has endpoints P(4, −6) and L(−2, 1).
The segment is translated using the mapping (x, y) → (x + 5, y).
The coordinates of point P after translation using mapping is,
And the coordinates of point L after translation using mapping is,
Hence, The coordinates of P' is (9, -6) and L' is (3, -1).
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Answer:
64.3 lumens
Step-by-step explanation:
Data provided in the question:
Length of the testing chamber = 35 cm
Light at one end = 10 lumens
Light at other end = 200 lumens
now,
since the variation is linear,
therefore, the gradient of the variation
=
= 5.43
also,
the darkest end is the end with 10 lumens
therefore,
The lumens at 10 cm from the darkest end
= 10 + 5.43(10)
= 10 + 54.3
= 64.3 lumens