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Hope this Helps...
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Below, I added what the graph of (x^2)-2 looks like...
The answer is A. (0, -2); Minimum
4116 first answer 7 times 8 subtract 35.Second multiply by 14.Lastly solve 7 times 2 and multiply it by what you got multiplying 14.
Answer:
612 Hz.
Step-by-step explanation:
The frequency of the sound will be proportionally higher when coming towards you. The increase is related to the speed of the train.
So the frequency will be:
580 + (580 / 343) * 18.8
= 612 Hz.
This is called the Doppler effect.
Answer:
5 * 10^18
Step-by-step explanation:
(3.5×10)÷(7×10^-9)
= (3.5 / 7) / 10^(10+9)
= 0.5 * 10^19
= 5 * 10^18
Answer:
1
Step-by-step explanation:
Multiplying 1 · 1 = 1