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celestemaria0727
18.12.2019 •
Mathematics
Ahot air ballon was at 2,180 feet. it decended at 120 feet per minute for 9 minutes. what is the balloons new height?
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Ответ:
The balloons new height is![1,100\ ft](/tpl/images/0423/8452/a0d0b.png)
Step-by-step explanation:
Let
x ----> the number of minutes
y ----> the height of a hot air balloon in feet
we know that
The linear equation in slope intercept form is equal to
where
m is the slope or unit rate
b is the y-intercept or initial value
In this problem we have
The slope is equal to
The y-intercept is equal to
substitute
For x=9 minutes
substitute in the linear equation
Ответ:
Step-by-step explanation:
yes