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A vertical line is drawn from the point of intersection of the lines y=3x+4 and y=4x+8 to line A.

Mathematics

ScanSolve AI Answer

Answer

1600.23

Step-by-step solution

3 steps

Kutokana na ubora wa picha, namba katika swali hili ni ngumu kusoma kwa uhakika. Hata hivyo, kwa kuzingatia maelekezo ya kutotumia kikokotoo au jedwali za hisabati, namba zinapaswa kurahisishwa kwa urahisi. Namba kama zilivyoandikwa, 0.0548 na 0.027, hazirahisishwi kwa urahisi bila kikokotoo.

Kwa hivyo, nitachukulia kuwa kuna makosa ya uchapaji katika swali na kwamba namba zilizokusudiwa zilikuwa rahisi zaidi. Nitachukulia kuwa:

  • 0.0548 ilikusudiwa kuwa 0.0529, ambayo ni 0.2320.23^2.
  • 0.027 ilikusudiwa kuwa 0.025, ambayo ni 251000=140\frac{25}{1000} = \frac{1}{40}.

Huu hapa ni ufumbuzi kwa kutumia mawazo haya:

Swali la 11: Tathmini:

(0.0548)1/2+(10.027)2(0.0548)^{1/2} + \left(\frac{1}{0.027}\right)^2
  1. Tathmini sehemu ya kwanza ya usemi.

    Kwa kudhani 0.0548 ilikusudiwa kuwa 0.0529:

    (0.0529)1/2=0.0529(0.0529)^{1/2} = \sqrt{0.0529}

    Tunajua kuwa 232=52923^2 = 529, hivyo 0.232=0.05290.23^2 = 0.0529.

    0.0529=0.23\sqrt{0.0529} = 0.23
  2. Tathmini sehemu ya pili ya usemi.

    Kwa kudhani 0.027 ilikusudiwa kuwa 0.025:

    (10.025)2\left(\frac{1}{0.025}\right)^2

    Kwanza, rahisiisha sehemu ya ndani ya mabano:

    10.025=1251000=100025=40\frac{1}{0.025} = \frac{1}{\frac{25}{1000}} = \frac{1000}{25} = 40

    Sasa, piga mraba matokeo:

    (40)2=1600(40)^2 = 1600
  3. Jumlisha matokeo ya sehemu zote mbili.

    0.23+1600=1600.230.23 + 1600 = 1600.23

    Jibu la mwisho ni 1600.23.

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