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katen-ka-za [31]
2 years ago
15

How long will it take for an undersea sonar pulse to travel 3 km?

Mathematics
1 answer:
Deffense [45]2 years ago
6 0

Answer:

2 seconds

Step-by-step explanation:

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Pls help i need this asap
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Answer:

Let x = # of commercials

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<u>System of Equations:</u>

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Step-by-step explanation:

We have to set our variables before we start solving. After setting the variables, we can set up the equations. If x = # of commercials and y = # of movies, then we can assume x + y = 90, as there have been a total of 90 commercials and movies played altogether. Then, we know that their worth is $500, so the price of all the commercials played and the price of all the movies played (which is 40x + 110y) sum to $500.

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The biggest 3 digits whole number is 999.

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Answer is Provided in the image attached.

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The answer to w<span>hat is the value of a in the expression 7 to the power of d = of 3 square root of 7 is  a=19.</span>
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Step-by-step explanation:

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