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sveticcg [70]
3 years ago
8

3. If Greg forgives Chad's $3 debt to him, how does that affect how much money Chad has?

Mathematics
2 answers:
sergiy2304 [10]3 years ago
7 0
He has more because he does not have to pay back the three dollars that Greg forgave
MrRissso [65]3 years ago
6 0
It should be -3 i might be wrong but i’m positive
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(7)(8)(9)<br><br> Geometry<br><br> Check Ans<br><br> 7) s = 15<br> 8) y = 64 x = 99<br> 9) 96
Katyanochek1 [597]
Problem 7: Correct
Problem 8: Correct
Problem 9: Correct

The steps are below if you are curious

===========================================================================================

Problem 7

S = 180*(n-2)
2340 = 180*(n-2)
2340/180 = n-2
13 = n-2
n-2 = 13
n = 13+2
n = 15

I'm using n in place of lowercase s, but the idea is the same. If anything, it is better to use n for the number of sides since S already stands for the sum of the interior angles. I'm not sure why your teacher decided to swap things like that.

===========================================================================================

Problem 8

First find y
y+116 = 180
y+116-116 = 180-116
y = 64

which is then used to find x. The quadrilateral angles add up to 180*(n-2) = 180*(4-2) = 360 degrees
Add up the 4 angles, set the sum equal to 360, solve for x

x+y+125+72 = 360
x+64+125+72 = 360 ... substitution (plug in y = 64)
x+261 = 360
x+261-261 = 360-261
x = 99

===========================================================================================

Problem 9

With any polygon, the sum of the exterior angles is always 360 degrees

The first two exterior angles add to 264. The missing exterior angle is x
x+264 = 360
x+264-264 = 360-264
x = 96

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3 years ago
The rate of change is<br><br> A. -4<br> B. -1<br> C. 1<br> D. 4
babymother [125]
The rate of change is 4 so your answer would be D. 4
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2 years ago
6 cell phones weigh 46.2 ounces. Fourteen cell phones weigh 107.8 ounces. Does this represent a proportional relationship
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yes, because 46.2/6 = 7.7 ounces and 107.8/14 = 7.7 ounces

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2 years ago
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What is the volume of the cone to the nearest tenth?
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2 years ago
An important proportion that the ancient Greeks used was the ______
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