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Schach [20]
3 years ago
14

PLEASE ANSWER CORRECTLY:

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
3 0

Answer:

%45

Step-by-step explanation:

=  

22 - 40

40

=  

-18

40

=-45%

= 45% error

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Given the parent function of f(x) = x3, what change will occur when the function is changed to f(x + 3)? A) Shift to the right 3
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Read 2 more answers
HELP HURRY WILL GIVE BRAINLIEST
rusak2 [61]

Answer:

That's all you're doing is writing the equation for two lines and finding out where they intersect. The slope is how much the price is increasing or decreasing and the y-intercept is where the price is starting at.

x = number of hours

y = mx + b = 0.12(x + 3) + 15.21     {It's (x + 3) because we have to add the 3 hours between 9 and noon}

y = mx + b = -0.11x + 15.96       {The slope is negative because the price is decreasing}

Set them equal to each other

0.12(x+3) + 15.21 = -0.11x + 15.96

Now solve for x

0.12x + 0.36 + 15.21 = -0.11x + 15.96

0.12x + 15.57 = -0.11x + 15.96

0.12x + 0.11x = 15.96 - 15.57

0.23x = 0.39

x = 0.38 / 0.23 = 1.7 hours

Convert 0.7 into minutes

0.7 hours * (60 min / 1 hour) = 42 min

So the prices are the same 1 hour and 42 min after noon, which is 1:42 PM

Step-by-step explanation:

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2 years ago
How to do slope intercept form again?!
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