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Umnica [9.8K]
3 years ago
12

You are driving home on a weekend from school at 55 mi/h for 110 miles. It then starts to snow and you slow to 35 mi/h. You arri

ve home after driving 4 hours and 15 minutes. How far is your hometown from school?
a.180 mi
b.190 mi
c.200 mi
d.210 mi
Mathematics
1 answer:
Gemiola [76]3 years ago
6 0

SOLUTION:

If you drive at 55 mi/h for 110 miles, this means you drovefor 110 / 55 = 2 hours

Your total driving time is 4 hours and 15 minutes which meansthat you drove 2 and 15 minutes at the rate of 35 mi/h

2 hours and 15 minutes = 2×60 + 15 = 135minutes

35 miles / 60 minutes × ( 135 minutes) = 78.75miles

So total miles driven is 78.75 + 110 =188.75 miles

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Answer:

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3 years ago
sal works for a computer repair shop. he has determines that customers pay on average $150 for each computer they bring in. He p
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Answer:

The answer is :

sal must repair 320 computers in a year to break even.

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The break even point in a business is the point at which the total costs and the total revenue in a business are equal.

In order to calculate sal's break even point, we will first of all calculate the total costs incurred during the business year, then using the selling price (repairing price), we will calculate how many computers will be repaired to reach the incurred cost. This is done as follows:

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break even point = cost of rent for one year ÷ net price charged

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A graph which represents the linear function y = -2x is: graph B.

<h3>What is a graph?</h3>

In Mathematics, a graph can be defined as a type of chart that is typically used for the graphical representation of data points or ordered pairs on both the horizontal and vertical lines of a cartesian coordinate, which are the x-axis and y-axis respectively.

Generally speaking, the graph of any proportional relationship is characterized by a straight line with the data points passing through the origin (0, 0) because as the values on the x-axis (x-coordinate) either increases or decreases, the values on the y-axis (y-coordinate) increases or decreases simultaneously.

In this context, we can reasonably infer and logically deduce that the relationship between x-values and y-values in the graph of y = -2x is proportional as it passes through the origin (0, 0).

Read more on a graph here: brainly.com/question/16869886

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