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LenaWriter [7]
2 years ago
6

A local race for charity has taken place since 1993. Using the actual speeds of the winners from 1993 through 1998, mathematicia

ns obtained the formula , in which x represents the number of years after 1993 and y represents the winning speed in miles per hour. In what year is the winning speed predicted to be 7.4 mph?

Mathematics
1 answer:
diamong [38]2 years ago
5 0

Answer:

Here is a similar question attached with.

Option (b) that is 2005 is the right choice.

Step-by-step explanation:

Given:

An equation in slope intercept form.

y=0.18(x) + 5

Where x = number of years

Comparing from the standard slope intercept form.

y=m(x) + b

y-intercept value (b) = 5

According to the question the predicted winning speed (y) = 7.16 mph

Plugging the value of y in slope intercept form, we will calculate the x (number of years) and then we will add this with 1993 .

⇒ y=0.18(x)+5

⇒ 7.16=0.18(x)+5

⇒ 7.16-5=0.18(x)

⇒ 2.16=0.18(x)

⇒ \frac{2.16}{0.18} =x

⇒ 12=x

Finally the year would be 1993+12=2005  

So in year 2005 the winning speed is predicted to be 7.16 mph.

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A

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2 years ago
A bookcase is 2.3 metres tall and the height of each self is 34 cm how many shelf are there?​
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3 0
2 years ago
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