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Ilya [14]
3 years ago
6

I don't get this at all

Mathematics
1 answer:
Anna007 [38]3 years ago
8 0
Δy/Δx is nothing but the slope and slope = rise/run .

Look up in the FIRST graph; From the lower point on the line draw a // to x-axis and from the higher point draw a // to y-axis. Note the point of intersection, their coordinates are (6, 3) [ x=6 = run and y= 3 = rise)
Or Δy = rise = 6    and Δx = run = 3, hence Δy/Δx  = 6/3 = 1/2 = slope.

Do the same thing with the 2nd graph:
Δy = 3 and  Δx = - 2 (you are counting from right to left), then 

Δy/Δx = 3/(-2)  and Δy/Δx = -3/2

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3 years ago
The price of a four-star dinner was $100 two decades ago. A report says that a dinner is 250% of what it was 20 years ago, how m
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I NEED HELP VOLUME OF SPHERES 5 QUESTIONS ASAP!!!!
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Answer:

1.)4188.79

2.) 7238.23

3.)1.02

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5.)170 cm³

Step-by-step explanation:

1.) 4πr2 * 5

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3.) V = 4/3(PI*r3). *4.5

4.) V = 4/3 π r ^3 * 10

5.) Given:

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V = 113.04 cm³

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3 years ago
I need to know this answer I've worked it out but not sure
a_sh-v [17]
See attached picture

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