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Scorpion4ik [409]
3 years ago
5

a construction worker brought several bottles of juice for $3 at that conventional store she paid for them with $20 bills.if j r

epresents the number of bottles of juice write an expression for the change she should receive
Mathematics
1 answer:
Alexxandr [17]3 years ago
5 0
20 - 3j <== ur expression
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N Example 3, the points are(0,3500) and (5,1750). Write an equation that represents the distance y (in feet) remaining after x m
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Answer:

<h2>The time needed is 10 months.</h2>

Step-by-step explanation:

The given points are (0, 3500) and (5, 1750).

First, we use the formula below to find the slope of the line

m=\frac{y_{2}-y_{1}  }{x_{2} -x_{1} }=\frac{1750-3500}{5-0}=\frac{-1750}{5}=-350

Which means the function is deacrasing with a ratio of 350 feet per month.

Now, we use the slope and one point to find the equation

y-y_{1} =m(x-x_{1} )\\y-1750=-350(x-5)\\y=-350x+1750+1750\\y=-350x+3500

This linear function shows that the situation started at the y-intecept (0, 3500), which means the month 0 had already 3500 feet. In other words, the total distance is 3500 feet. Now, the x-intercept will tell us the time needed to travel that distance.

0=-350x+3500\\-3500=-350x\\x=\frac{-3500}{-350}\\ x=10

Therefore, the time needed is 10 months.

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What does the graph of 4 &lt; n + 6 &lt; 9 look like? A. open circles around –2 and 3 and the line shaded to the left of 3, infi
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We have been given that the upstream speed is 5 mph and the down stream speed is 10mph.

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