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3 years ago

Show that if x,y,z and w are the first four terms of an arithmetic sequence, then x+w-y=z

Mathematics

2 answers:

Rus_ich [418]3 years ago

8 0

Possible Answer

Let d be the common difference. Then, y = x + d, z = x + 2d, and w = x + 3d. Substitute these values into the expression x + w - y and simplify. x + (x + 3d) - (x + d) = x + 2d or z.

devlian [24]3 years ago

6 0

It would be 29 because of the c and the w y equal to z

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sweet-ann [11.9K]

Answer:

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Step-by-step explanation:

Calculate the distance using the distance formula

d = $\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }$

with (x₁, y₁ ) = (- 9, 8) and (x₂, y₂ ) = (- 3, - 1)

d = $\sqrt{(-3-(-9))^2+(-1-8)^2}$

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Answer:

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3 years ago

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Ostrovityanka [42]

Answer:

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Step-by-step explanation:

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That is

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Answer:

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