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soldi70 [24.7K]

3 years ago

8

Which is the graph of y=3/4x -3

2 answers:

KatRina [158]3 years ago

7 0

Answer:

A

Step-by-step explanation:

the formula y = mx + b is used here

lets look at the formula we were given

y = 3/4x -3

the first number we see, 3/4x is the slope of the line, where 1 = a 45 degree angle towards the NORTH EAST corner from 0, in this case it is less then 1 so it is less steep then 45 degrees, how i remember is that i can plot a point using the numbers the the fraction in reverse and connect a line from 0,0 to that line

4,3 is a point that a line with this slope would cross, but not this line, because it does NOT start at 0,0 , instead it crosses the y-axis lower because we took some of b away, in this case -3, so the line moves down 3, not changing the slope

i hope this makes sence and you are able to use it in multiple problems like this, comment this if you have any questions

take care m8

vivado [14]3 years ago

6 0

Answer:

Graph C is your answer, hope it helps :)

Step-by-step explanation:

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What is the distance between Harry’s home and his office?

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Answer:

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Step-by-step explanation:

The speed, distance time formula is:

$Speed(s)=\frac{Distance(d)}{Time(t)}$

Given:

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Then the relation between distance and time is:

$s=\frac{d}{t} \\30=\frac{d}{t}\\d=30t...(i)$

If Speed was 60 miles/hour the time taken is $(t-\frac{1}{4})$ hours.

Then the relation between distance and time is:

$s=\frac{d}{t} \\60=\frac{d}{(t-\frac{1}{4}) }\\d=60t-15...(ii)$

Use the value of <em>d</em> = 30t in (ii)

<em /> $d=60t-15\\30t=60t-15\\30t=15\\t=\frac{1}{2} hour$ <em />

Determine the distance as follows:

$d=30t\\=30\times\frac{1}{2} \\=15\ miles$

Thus, the distance between Harry’s home and his office? is 15 miles.

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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