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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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Step-by-step explanation:

1. Let's simplify the expression:

20√270 ÷ 4√3

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60/4 √10 ( We cancel √3 in the numerator and in the denominator)

15√10

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