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50 points
answer this questions based on the graph :

-what does the point B represent?

-what is the unit rate of relationship shown on the graph

- how long does it take to drive 90 miles?

- how many miles can be driven in 6 hours?

50 Points Answer This Questions Based On The Graph What Does The Point B Represent What Is The Unit Rate Of Relationship Shown On The Graph How Long Does It Tak class=

Sagot :

Answer:

1) he will drive 180 miles in 4 hours

2) 45 mph

3) 2 hours

4) 270 miles

Step-by-step explanation:

Number 1:

The point is on (4,180) and since the x is hours and the y is miles. In 4 hours he can drive 180 miles.

Number 2:

For the unit rate we will use the same point (4,180) and put it the y over the x and simplify. [tex]\frac{y}{x}=\frac{180}{4}=\frac{45}{1}=45[/tex] so in 1 hour he can drive 45 miles.

Number 3:

Now for this we should set up an equation [tex]y=45x[/tex]. So they told us if he drove for 90 miles that means we will substitute the y and place the 90 because as I said in number 1 y is miles.

[tex]y=45x\\90=45x\\x=2[/tex]

So it'll take him 2 hours to drive 90 miles.

Number 4:

Now they are telling us how many miles can he drive if he drives for 6 hours. We can use the same equation for this and instead we will be substituting for x since x is hours.

[tex]y=45x\\y=45(6)\\y=270[/tex]

So if he would to drive for 6 hours he can drive 270 miles.

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