Answer:
<u>x = 25</u>
Step-by-step explanation:
<u>Solving</u>
- ∠CAD = 1/2 ∡ CD
- 180° - 90° - (2x)° = 1/2 (80°)
- 2x = 90° - 40° = 50°
- <u>x = 25</u>
Answer:
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Step-by-step explanation:
Answer:
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fnfvnmtep-by-step explanation:
The residuals of any data set should get added to zero. If there are three residuals (say A, B, and C) in any data set, then it could be written as A + B + C = 0.
Given are the two residuals -10 and -20 out of three point in a particular data set.
Let's assume A = -10 and B = -20, so that we could find third value C of the given data set.
We know A + B + C = 0
(-10) + (-20) + C = 0
(-30) + C = 0
C = 30
It means that third residual must be 30.
Hence, the final answer is 30.
Time taken for light to travel 20 cm will be:
time=distance/speed
distance=30 cm=0.3 m
speed=2.998108 m/s
thus time taken will be:
time=0.3/2.998108=0.10006 seconds
thus the expression is:
time=0.3/2.998108
