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Find the arithmetic mean mark score.

Mathematics

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Step-by-step solution

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Haya, tutasuluhisha maswali haya hatua kwa hatua.

1. Workout: 24×024 \times 0

  1. Fanya kuzidisha.

    Nambari yoyote ikizidishwa na sifuri, jibu ni sifuri.

    24×0=024 \times 0 = 0

    Jibu la mwisho ni:

    0\boxed{\text{0}}

    2. Solve for X: 2−2x3=42 - \frac{2x}{3} = 4

  2. Ondoa 2 kutoka pande zote mbili za mlinganyo.

    2−2x3−2=4−22 - \frac{2x}{3} - 2 = 4 - 2 −2x3=2-\frac{2x}{3} = 2
  3. Zidisha pande zote mbili kwa 3 ili kuondoa sehemu.

    3×(−2x3)=2×33 \times \left(-\frac{2x}{3}\right) = 2 \times 3 −2x=6-2x = 6
  4. Gawanya pande zote mbili kwa -2 ili kupata thamani ya xx.

    −2x−2=6−2\frac{-2x}{-2} = \frac{6}{-2} x=−3x = -3

    Jibu la mwisho ni:

    x=−3\boxed{x = -3}

    3. The area of a square garden is 1.96m21.96 \text{m}^2. Find the side of the square garden.

  5. Tumia fomula ya eneo la mraba, ambayo ni A=s2A = s^2, ambapo AA ni eneo na ss ni urefu wa upande.

    A=s2A = s^2
  6. Badilisha eneo lililopewa kwenye fomula.

    1.96 m2=s21.96 \text{ m}^2 = s^2
  7. Tafuta mzizi wa mraba wa pande zote mbili ili kupata urefu wa upande ss.

    1.96 m2=s2\sqrt{1.96 \text{ m}^2} = \sqrt{s^2} s=1.4 ms = 1.4 \text{ m}

    Jibu la mwisho ni:

    1.4 m\boxed{1.4 \text{ m}}

    4. The graph below shows how some pupils score their marks in a given test. Study and use it to answer the questions. Find the arithmetic mean mark score.

  8. Andika alama zote kutoka kwenye jedwali

    35.0, 7.5, 55, 8.5, 10.

  9. Tafuta jumla ya alama zote.

    Jumla ya alama=35.0+7.5+55+8.5+10\text{Jumla ya alama} = 35.0 + 7.5 + 55 + 8.5 + 10 Jumla ya alama=116\text{Jumla ya alama} = 116
  10. Hesabu idadi ya masomo (alama).

    Kuna masomo 5.

  11. Tumia fomula ya wastani wa hesabu (arithmetic mean)

    Wastani=Jumla ya alamaIdadi ya alama\text{Wastani} = \frac{\text{Jumla ya alama}}{\text{Idadi ya alama}} Wastani=1165\text{Wastani} = \frac{116}{5} Wastani=23.2\text{Wastani} = 23.2

    Jibu la mwisho ni:

    23.2\boxed{23.2}
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