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Elanso [62]
3 years ago
8

Can someone plzzzz help me with this. Its almost due and I dont really get what its talking about and how to answer it.​

Mathematics
1 answer:
grin007 [14]3 years ago
5 0
The slope is 2/5 or 0.4!

To figure out slope from a graph use the formula y2- y1/ x2- x1
We can substitute the numbers and letters in the formula for the ones on the chart
For example, x1 is -3 because it is the first “x” value on the chart. X2 is 2 because it is the second “x” value on the chart. Y1 is 0 because it is the first “y” value on the chart and y2 is 2 because it is the second “y” value on the chart.
To set up the formula get what is labeled as y2, 2, and subtract it by the y1, 0, that equals 2. Next, get your x2, 2, and subtract it by your x1, -3. The answer being 5.
Turn those calculations into a fraction- 2/5 or 0.4 if you simplify it
If you don’t get it at first don’t worry it takes practice!
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How the bloody hell do I answer these? Please explain how you did it.
prohojiy [21]
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\frac{y2 - y1}{x2 - x1}
where (a,0) is x1, y1 and (0,2a) is x2, y2. try to see if you can do it now (:

2. take a number x, then step by step do whatever the question asks for example "First, 3 is subtracted from x" so you know the first thing you need to do is x-3, then go on and you'll get an equation which you can use to solve for x, try it!

3. make a set, S, which has multiples of 7. then make a set, T, which has multiples of 13.
now the intersection of S and T is a set having all elements of S, also found in T (basically the numbers that are common to both). try doing it now!

for fourth, this requires a profit formula(that I do not know), must be explained in your book, try going over it, I'm sure you'll find it there!
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