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2 years ago

9

Jayne is driving 440 miles and wants to make the trip in 8 hours. write an equation and solve to determine the average speed jay

ne needs to drive to make the trip in 8 hours. _____

1 answer:

Nuetrik [128]2 years ago

7 0

Distance÷time
440÷8= 55
Therefore he needs to drive at the speed of 55 miles/hour

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Answer:

<h2>In the attachment</h2>

Step-by-step explanation:

$y-2x>-8\qquad\text{add}\ 2x\ \text{to both sides}\\\\y>2x-8\\-------------------------\\\\-\ dotted\ line\\\leq,\ \geq-\ solid\ line\\,\ \geq-\ shading\ above\ the\ line\\-------------------------\\\\y=2x-8-\text{It's a linear function.}\\\text{We only need two points to draw a graph.}\\\text{Choice two arbitrary values of x, substitute to the equation,}\\\text{and calculate the values of y}.\\\\for\ x=4\to y=2(4)-8=8-8=0\to A(4,\ 0)\\for\ x=0\to y=2(0)-8=0-8=-8\to B(0,\ -8)$

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2 years ago

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Step-by-step explanation:

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