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Which of the following could be the number shown on the number line?
1 answer:
Answer: Choice A.
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Explanation:
Recall that 36 is a perfect square
36 = 6^2
Or in other words,
The point marked on this number line is some value smaller than 6, so the number under the square root must be smaller than 36.
That could apply to either choices A or B.
Using a calculator shows that
Choice A is the better answer as it's much closer to 6 than choice B is.
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Given:
The height h of an object after t seconds is
The height of a neighboring 50-foot tall building is modeled by the equation h=50.
The time (t) when the object will be at the same height as the building is found to be t = –2 and t = 5.
To find:
The statement which describes the validity of these solutions.
Solution:
We have,
Here, t is the time in seconds.
For t=-2,
For t=5,
So, the value of h is 50 at t=-2 and t=5.
We know that time is always positive so it cannot be negative value. It means t=-2 is not possible.
The solution t = 5 is the only valid solution to this system since time cannot be negative.
Therefore, the correct option is C.
Answer:
PR = 6√2, PN = 6, PQ = 12√2
Step-by-step explanation:
Find the unknowns through Sin, Cos, Tan formulae.
The explanation is attached in the pictures. !!
