This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.

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2.014
Haya hapa masuluhisho ya maswali uliyotuma:
Swali la 6: Tumia jedwali za logariti kutathmini:
Wacha . Tunachukua logariti ya pande zote mbili:
Step 1: Tafuta logariti za kila namba.
Step 2: Ongeza logariti za namba kwenye kiasi.
Step 3: Toa logariti ya namba kwenye denominator.
Step 4: Gawanya matokeo kwa 3 (kwa sababu ni mzizi wa tatu).
Step 5: Tafuta antilogariti ya matokeo.
Jibu:
Swali la 7: Sakafu ya darasa ina eneo la . Factoriza usemi ili kubaini urefu na upana wake unaowezekana.
Tunahitaji kufactoriza usemi wa quadratic . Tunatafuta namba mbili ambazo zinapozidishwa zinatoa 20 na zinapojumlishwa zinatoa 12. Namba hizo ni 2 na 10.
Step 1: Andika usemi katika fomu ya mambo.
Step 2: Tambua urefu na upana. Urefu na upana unaowezekana wa sakafu ni na .
Jibu: Urefu na upana unaowezekana ni
Swali la 8: Namba tasa hugawanyika tu na 1 na yenyewe. Orodhesha namba tasa zote kati ya 60 na 70.
Namba kati ya 60 na 70 ni 61, 62, 63, 64, 65, 66, 67, 68, 69.
Step 1: Angalia kila namba kama ni tasa au la. • 61: Haiwezi kugawanywa na namba nyingine isipokuwa 1 na 61. Ni namba tasa. • 62: Inaweza kugawanywa na 2 (ni namba shufwa). Sio namba tasa. • 63: Inaweza kugawanywa na 3 na 7. Sio namba tasa. • 64: Inaweza kugawanywa na 2. Sio namba tasa. • 65: Inaweza kugawanywa na 5. Sio namba tasa. • 66: Inaweza kugawanywa na 2. Sio namba tasa. • 67: Haiwezi kugawanywa na namba nyingine isipokuwa 1 na 67. Ni namba tasa. • 68: Inaweza kugawanywa na 2. Sio namba tasa. • 69: Inaweza kugawanywa na 3. Sio namba tasa.
Jibu: Namba tasa kati ya 60 na 70 ni
Swali la 9: Amina alihifadhi kilo 210 za mahindi, kilo 385 za maharagwe, kilo 150 za mchele na kilo 25 za mtama. Ainisha jumla ya uzito kama namba tasa au namba shirikishi.
Step 1: Tafuta jumla ya uzito. Jumla ya uzito = Jumla ya uzito =
Step 2: Ainisha jumla ya uzito (770) kama namba tasa au namba shirikishi. Namba tasa ni namba inayoweza kugawanywa na 1 na yenyewe tu. Namba shirikishi ni namba inayoweza kugawanywa na namba nyingine mbali na 1 na yenyewe. Kwa kuwa 770 ni namba shufwa (inaishia na 0), inaweza kugawanywa na 2, 5, 10, n.k. Hivyo, 770 ni namba shirikishi.
Jibu: Jumla ya uzito ni
Swali la 10: Eleza katika fomu yake rahisi zaidi.
Ili kurahisisha sehemu, tunagawanya nambari na kigawanyo kwa kigawanyo chao kikubwa zaidi (GCD).
Step 1: Tafuta kigawanyo kikubwa zaidi (GCD) cha 90 na 14. Namba zote mbili 90 na 14 zinaweza kugawanywa na 2. GCD ya 90 na 14 ni 2.
Step 2: Gawanya nambari na kigawanyo kwa GCD. Namba 45 na 7 hazina vigawo vya kawaida isipokuwa 1.
Jibu: Fomu rahisi zaidi ni
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This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.