4 years ago

Convert into slope-intercept form x+y=6

Mathematics

1 answer:

puteri [66]4 years ago

4 0

<h3>Answer: y = -x + 6</h3>

To get this answer, you subtract x from both sides to go from x+y = 6 to y = 6-x which rearranges to y = -x+6

Note that y = -x+6 is the same as y = -1x+6

We can compare this to y = mx+b form to see that m = -1 is the slope and b = 6 is the y intercept.

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natali 33 [55]

Answer:

$S _{19} = 760$

Step-by-step explanation:

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$a _{n} = a + (n - 1) \times d \\ 67 = 13 + (n - 1) \times 3 \\ 67 = 13 + 3n - 3 \\ 67 - 13 + 3 = 3n \\ 57 = 3n \\ 3n = 57 \\ \\ n = \frac{57}{3} \\ \\ n = 19$

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$S _{n} = \frac{n}{2} (a + l) \\ \\ S _{19} = \frac{19}{2} (13 + 67) \\ \\ S _{19} = \frac{19}{2} (80) \\ \\ S _{19} = \frac{19}{2} \times 80 \\ \\ S _{19} = 19 \times 40 \\ S _{19} = 760$

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