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duracohack
13.08.2019 •
Mathematics
The following table shows the amount of water leaking from an inflatable pool as a function of time:
time (in minutes)
x water (in liters)
f(x)
0 35
1 30
2 25
3 20
4 15
find and interpret the meaning of the x‐intercept in this scenario.
(7, 0); the time it takes to empty the water in the pool
(5, 0); the time it takes to empty the water in the pool
(5, 0); the time it takes to fill up the water in the pool
(7, 0); the time it takes to fill up the water in the pool
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Ответ:
A
Step-by-step explanation:
You are given the table
This table represents a linear relationship between time and water leaked, because
The linear function has the equation
Find m and b:
So,
Find the x-intercept:
Hence, point (7,0) is x-intercept with the meaning x=7 is the time it takes to empty the water in the pool
Ответ:
The percent markup is,
60.89 % .
Step-by-step explanation:
A pair of shoes cost $ 22.99 to make, the local store sells them for $ 36.99.
So, the increased value for each pair of shoes,
= $ (36.99 - 22.99)
=$ 14
So, the percent markup is,