Graph the equations to solve the system. y=2x-5 1/2y=x-5/2
1 answer:
Answer:
all real numbers
Step-by-step explanation:
solution: all real numbers
these are the same equation
we can figure this our by multiplying the second equation by 2
so then it would come out to be
y=2x-5 as well
i attached the graph,
-5 is the y intercept and 2 is the slope since it is in slope intercept form
y=mx+b
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<u>Answer:</u>
The length of a paper clip chain is directly proportional to the number of paper clips. If a chain with 65 paper clips has a length of 97.5 inches then the length of chain with 14 paper clips is 21 inches.
<u>Solution:</u>
Given that the length of a paper clip chain is directly proportional to the number of paper clips. Directly propotional means when the length of paper clip increases, then the number of paper clips also increases in same ratio.
Hence, by above definition, we get
------- eqn 1
From question, for a chain with 65 paper clips has a length of 97.5 inches, we get
Similarly, for a chain with 14 paper clips with length to be found, we get
Now by using eqn 1, we can calculate the length of 14 paper clips is,
Rearranging the terms we get,
Hence the length of chain with 14 paper clips is 21 inches.