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sergij07 [2.7K]
3 years ago
8

Scientific Notation.

Mathematics
1 answer:
iren [92.7K]3 years ago
8 0

400Million meteres tall

scientific notation: 4×10^8

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Brinn's rectangular kitchen has an area of 81 square feet. The kitchen is 9 times as many square feet as Brinn's pantry. If the
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The length of the pantry is 3 feet. this is because if the pantry is 9 times smaller than the kitchen, the area of the pantry must be 9 feet. Therefore, if the width of the pantry is 3 feet, the length of the pantry must be 3 feet. 
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27 millimeters = how many centimeters?
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the speed a car travels is inversely proportional to the time it takes to complete a 100 mile trip. which of the following graph
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Answer:

Inversely proportion states that a relationship between two variables in which the product is a constant.

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As per the given condition: Speed of a car is inversely proportional to the time it takes to complete a 100 mile trip,

Let x represents the speed of car and y represents the time taken.

From the given condition:

x \propto \frac{1}{y}

Then by definition of inversely proportional;

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Here, k represents the distance(i.e constant) = 100 miles.

therefore, the equation becomes now;

x = \frac{100}{y} or

xy = 100

The following graph for the above equation as shown below :

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