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vampirchik [111]
3 years ago
9

Suppose that a butterfly can fly 82 feet in 4 seconds. A dragonfly can fly 50 feet in 2 seconds. Which can fly faster and by how

much?
Mathematics
2 answers:
aalyn [17]3 years ago
4 0
If a butterfly flies 82 feets in 4 seconds, it will fly 41 feet in 2 seconds. A dragonfly flies 50 feet in 2 seconds, so that makes it faster than the butterfly by 9 feet per 2 seconds, or 4.5 feet per second.  
forsale [732]3 years ago
4 0

Dragonfly. By18 seconds.


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zysi [14]

Answer:

The equation in slope-intercept form of required line is: \mathbf{y=\frac{2}{3}(x)-6}

Step-by-step explanation:

We need to write equation in slope-intercept form to represent the line on the  graph.

The general equation in slope-intercept form is: y=mx+b

Where m is slope and b is y-intercept

Finding slope using formula: Slope=\frac{y_2-y_1}{x_2-x_1}\\

Looking at he graph we have

x_1=3, y_1=-4, x_2=6, y_2=-2

Putting values in formula and finding slope:

Slope=\frac{-2-(-4)}{6-3}\\\\Slope=\frac{-2+4}{3}\\Slope=\frac{2}{3}

So, we get slope m = 2/3

Using slope m=2/3 and point (3,-4) we can find y-intercept

y=mx+b\\\\-4=\frac{2}{3}( 3)+b\\-4=2+b\\b=-4-2\\b=-6

So, y-intercept b = -6

The equation of line having m=2/3 and b=-6 will be:

y=mx+b\\y=\frac{2}{3}(x)-6

The equation in slope-intercept form of required line is: \mathbf{y=\frac{2}{3}(x)-6}

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Answer:

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Step-by-step explanation:

Take a look for the pict

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