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Darina [25.2K]
3 years ago
7

The perimeter of a triangle is 42 yards. The first side is 5 yards less than the second side, and the third side is 2 yards less

than the first side. What is the length of each side?
Mathematics
1 answer:
Westkost [7]3 years ago
8 0

Answer:

13 yds

18 yds

11 yds

Step-by-step explanation:`

P=S1 + S2 + S3

42 = (S-5) + S + (S-7)

42 = 3S - 12

54 = 3S

18 = S

To check answer add the sides together

(18-5) + 18 + (18-7)

13 + 18 + 11 = 42

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A printer will produce Katie wedding invitations for $210. The price to produce 120 invitations is $290. The printer uses a line
VMariaS [17]

Thank you for asking this question. Here is your answer:


M = y2 - y1/x2 - X1 = M


= 290 - 210/120 - 80  



M = 80/40


M = 2


Now we will consider y intercept


y = mx + b  


210 = 2(80) + b  


210 = 160 + b  


b = 210 - 160


= 50


Now we will combine everything in order to get the answer.


y = 2x + 50


y = 2(60) + 50  


y = 120 + 50  


y = 170


So the final answer for this question is $170.


If there is any confusion please leave a comment below.


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