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nataly862011 [7]
3 years ago
11

A tall man, who is sitting up straight in his seat, is completely blocking John's view at the cinema. John is 10m from the 4m hi

gh screen. The man is 1m in front of John. How far would the man need to lower his head and shoulders if John is to be able to see all of the screen ?
Mathematics
1 answer:
snow_lady [41]3 years ago
5 0
I would answer that but to bissy finding my mine answer

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Gnoma [55]

The required simplified value of B - A = -6.

<h3>What is simplification?</h3>

The process in mathematics to operate and interpret the function to make the function simple or more understandable is called simplifying and the process is called simplification.

Since, line Ax + By = 3 and x + 3y = -5 are parallel than slope of both the line will be same,
m = -1/3 = -A/B
From above
A = B/3  - - - - -(1)


Now line Ax + By = 3 passed through the point (-7, 2). So,
-7A + 2B = 3
from equation 1
-7B/3 + 2B = 3
-B/3 = 3
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Now put B in equation 1
A = -9 / 3
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Here,
B - A = -9 + 3 = -6

Thus, the required simplified value of B - A = -6.

Learn more about simplification here: brainly.com/question/12501526

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