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lord [1]
4 years ago
12

Which is a better deal on a $7.99 item: 50% off or buy one, get one at half price? Your answer must include your math calculatio

ns.
Mathematics
1 answer:
12345 [234]4 years ago
8 0
In my opinion it is buy it at 50%off

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3 years ago
I NEED HELP ASAP IT IS DUE IN 5 minutes <br> 3/4 times x + 7 = -5
yawa3891 [41]

Answer:

-16

Step-by-step explanation:

(3/4)x+7=-5

(3/4)x=-12

x=-12(4/3)

x=-16

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3 years ago
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11j2k<span>4 is the answer :)</span>
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3 years ago
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Write the linear equation in slope intercept form
soldi70 [24.7K]
Y=5x


Explanation:


You would take two points and use the slope formula

Y2-y1/x2-x1

So I took the points (0,0) and (1,5)

5-0/1-0
5/1
5= the slope

So now we know y=5x+b and since it shows us on the graph where the line crosses the y axis we know the y intercept will be zero because it crosses at 0. When the y-intercept is 0 we don’t even need to list it.
6 0
3 years ago
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Analyzing a Graph In Exercise, analyze and sketch the graph of the function. Lable any relative extrema, points of inflection, a
tigry1 [53]

Answer:

x=1 is the minima

No point of inflection

y axis is asymptote

Step-by-step explanation:

A function is given by

y=x-lnx

Let us use derivatives to find extrema point of intersection etc

y' = 1-1/x\\y"=1/x^2\\y"' = 2/x^3

We find that second derivative cannot be equal to 0 for any value of x.

Hence there are no points of inflection.

Equate I derivative to 0

x =1

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ln x is not defined for 0 or negative values of x

Hence asymptote is x=0 or y axis

Domain is (0,infty)

Range is (1,infty)

Since I derivative is negative for x <1 and positive for x>1

decreasing in (0,1) and increasing in (1,infty)

5 0
4 years ago
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