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stellarik [79]
3 years ago
14

PLEASE HELP I don’t understand Please explain and answer

Mathematics
1 answer:
STatiana [176]3 years ago
8 0

9.

a) You put the scientific notation in expanded form, 671,000,000. From there just divide it by 60. 11,183,333.333 miles per minute.

b) Take the miles/minute rate and multiply it by 8.3; 92821666.6667 miles per 8.3 minutes.

Hope this helps :)

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A grandfather clock’s pendulum has a period of 4.5 seconds. What is its frequency? Round to the nearest hundredth.
Brilliant_brown [7]

Answer: 0.22hz

Step-by-step explanation:

Hi to answer this question we have to analyze the information given:

  • <em>Period (T) = 4.5 Seconds </em>

So, to calculate the frequency of the pendulum we have to apply the formula;

Frequency (f)= 1 / period  

Replacing with the value given:

f = 1/ 4.5 sec = 0.22 hz

Feel free to ask for more if needed or if you did not understand something.

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3 years ago
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Answer:

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Step-by-step explanation:

2x

2

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2{x}^{2}+9x-56

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8 0
3 years ago
Solve The Following System of equations by graphing<br><br>3x + y = 5<br>x - 4y = 32​
Nostrana [21]

first you convert to slope intercept form

3x+y = 5 is the same as y = -3x+5

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then you graph

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the point where the two lines intercept is your solution.

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astra-53 [7]

Answer:

8

Step-by-step explanation:

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X=7

Hope this helps and have a wonderful day!
5 0
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