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How many values of  satisfy both of the following conditions?
(a)  x is a multiple of 7, not necessarily positive.
(b)  x^2 is less than 5000.

 Oct 5, 2021
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How many values of satisfy both of the following conditions?
(a) x is a multiple of 7, not necessarily positive.
(b) x^2 is less than 5000.

 

Hello Guest!

 

If \(x\in \mathbb Z\ then\)

 

\(x^2<5000\\ x<\sqrt{5000}\\ x<70.71\)

\(x\in \{-70,-63,-56,\ …\ 0,\ ...\ 56,\ 63,70\}\)

 

\(21\ values\ meet\ the\ two\ given\ conditions.\)

laugh  !

 Oct 6, 2021
edited by asinus  Oct 6, 2021

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