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sammy [17]
3 years ago
11

- Hermione is driving through Canada and she sees a sign that says construction ahead at

Mathematics
1 answer:
lana66690 [7]3 years ago
5 0

Answer:

A

Step-by-step explanation:

1km=1000m

4500 divided by 1000 is 4.5

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The value of a collector’s item is expected to increase exponentially each year. The item is purchased for $500. After 2 years,
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Answer:

Option 2 is correct.

Step-by-step explanation:

Actual price = $500

After 2 years the worth of item is increased to = $551.25

We need to find the equation that represents y, the value of the item after x years.

According to given information the equation can be of form

y=500(r)^x

where r represents the growth and x represents the number of yeras.

We need to find the value of r that represents the growth

The value of y = 551.25, and value of x = 2

Putting values and solving:

y=500(r)^x\\551.25 = 500(r)^2\\551.25/500 =(r)^2\\1.1025 = (r)^2\\Taking square root on both sides\\\\\sqrt{1.1025}=\sqrt{(r)^2}\\  => (r) = 1.05\\

Putting value of r in the equation

y=500(r)^x

y=500(1.05)^x

So Option 2 is correct.

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4 years ago
Which of the following is a graph that uses a rectangle and line segments to show the clustering of a set of data?
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This would be a box and whisker plot.
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The rectangle represents 50% of the data and each whisker(line segment) represents 25% of the data.
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A keyboard is on sale for $676. If this price represents a 20% discount from the original price, what is the original price to t
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