Weight varies directly with gravity. If Buzz Aldrin weighted 360 pounds on earth but only 60 pounds on the moon, what is the wei
1 answer:
Answer:
9 pounds weight on moon
Step-by-step explanation:
Given
Variation: Direct
<u>Buzz Adrin</u>
Earth = 360 pounds
Moon = 60 pounds
Required
Determine the weight of 54 pounds
The given parameters can be summarized as:
360 pounds Earth = 60 pounds Moon
54 pounds Earth = x pounds Moon
To solve for x, we start by using cross multiplication:
Divide through by 360
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Answer:
In the year 2010, the population of the city was 175,000
Step-by-step explanation:
If we rewrote this as a linear expression in standard form (it is linear, btw), it would look like this:
The rate of change, the slope of this line, is 11/2. If the year 2010 is our time zero (in other words, we start the clock at that year), then 0 time has gone by in the year 2010. In the year 2011, t = 1 (one year goes by from 2010 to 2011); in the year 2012, t = 2 (two years have gone by from 2010 to 2012), etc. If we plug in a 0 for t we get that y = 175,000. That is our y-intercept, which also serves to give us the starting amount of something time-related when NO time has gone by.