In this task, you are given a sentence or phrase in Xhosa. You must translate it to English in a way that is equivalent in terms of meaning and grammatically correct.

[Q]: Ukusetyenziswa kwengqokelela-manani ukufumanisa impembelelo yenkqubo enikiweyo, kuthelekelelwe iimfuno zomkhosi ukuze uphumelele kwinjongo zawo, okanye ukufumana ubuchule obunefuthe kwimeko ethile
[A]: Use of statistics to determine the effectiveness of a given procedure, estimate the force requirements to achieve a given aim, or determine optimum tactics in a given situation

[Q]: Zona kwakumele zingqamane nokubekwa kwemizuzu yesibanzi kwiMeridiyani.
[A]: These had to correspond to the spacing of the minutes of latitude along the meridians.

[Q]: (Isiphawuli esisisikhamiso u'O' sinonxahtathu owahlulwe kanye kwicala eliphezulu elibomule nelingunxathathu elimithubi) ibhola nenekona ezine, uhlobo oluthile nolunye phezu kwelinye.
[A]:
(The "0" flag consists of a rectangle divided once diagonally into an upper red and a lower yellow triangle.) A ball and square shape signal, one shape above the other.