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How long would it take the car to travel 300 km at the same speed? (2 marks)
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5 stepsHapa kuna suluhisho la maswali yako:
31. (Inaendelea kutoka swali lililopita)
c)
Tumia formula ya muda
Muda = Umbali / Kasi.
Umbali =
Kasi (kutoka 31a) =Kokotoa muda.
Itachukua gari kusafiri .
32.
Tambua uhusiano kati ya idadi ya wanaume na siku.
Hili ni tatizo la uwiano usio wa moja kwa moja (inverse proportion), ambapo idadi ya wanaume ikiongezeka, idadi ya siku inapungua.
Wanaume wa kwanza () = 5
Siku za kwanza () = 10
Wanaume wapya () = 8
Siku mpya () = ?Tumia formula ya uwiano usio wa moja kwa moja
.
Tatua kwa .
Itachukua wanaume 8 kuchimba mtaro huo.
33.
Swali hili linatoa matrisi A na B lakini halijauliza operesheni yoyote mahususi (kama vile kujumlisha, kutoa, kuzidisha, au kutafuta kigezo). Kwa hivyo, siwezi kutoa jibu kamili bila maelezo zaidi ya kile kinachohitajika.
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