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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sh. 600,000
Sawa Rwangoma, tuendelee na maswali haya!
7. The government increased teacher salary of sh. 480,000 by 25%. What is their new salary?
Step 1: Tafuta kiasi cha ongezeko la mshahara.
Step 2: Ongeza ongezeko hilo kwenye mshahara wa awali ili kupata mshahara mpya.
Mshahara wao mpya ni:
8. How many subsets are in set B?
Step 1: Tambua vipengele vilivyopo katika seti B kutoka kwenye mchoro wa Venn. Kutoka kwenye mchoro, seti B ina vipengele {a, e, b, 0}.
Step 2: Hesabu idadi ya vipengele katika seti B. Idadi ya vipengele katika seti B, .
Step 3: Tumia fomula ya idadi ya vijisehemu (subsets), ambayo ni , ambapo ni idadi ya vipengele.
Idadi ya vijisehemu katika seti B ni:
9. Write MMXXVI in words.
Step 1: Badilisha namba za Kirumi kuwa namba za Kiarabu. M = 1000 M = 1000 X = 10 X = 10 V = 5 I = 1
Step 2: Jumlisha thamani hizo.
Namba MMXXVI kwa maneno ni:
10. Find the sum of the next two numbers in the sequence. 4, 6, 8, 9, ___, ___
Step 1: Chunguza mpangilio wa namba ili kubaini kanuni. Kuanzia 4, 6, 8, kuna ongezeko la 2. Lakini kutoka 8 hadi 9, kuna ongezeko la 1. Inaonekana kuna mabadiliko ya kanuni. Ikiwa tunachukulia kuwa mpangilio unaendelea kwa kuongeza 2 mara mbili, kisha 1, kisha 2 mara mbili, kisha 1, n.k. Au, inaweza kuwa mpangilio wa namba shufwa (even numbers) na kisha namba witiri (odd numbers) au mchanganyiko mwingine. Hata hivyo, kwa kuzingatia mpangilio wa kawaida wa maswali ya aina hii, mara nyingi kuna kanuni rahisi ya kuongeza au kutoa. Hebu tuchunguze tofauti kati ya namba: Inaonekana mpangilio ni kuongeza 2, kisha kuongeza 2, kisha kuongeza 1. Ikiwa kanuni hii inajirudia, basi namba inayofuata baada ya 9 itafuata kanuni ya kuongeza 2. Namba inayofuata baada ya 11 itafuata kanuni ya kuongeza 2. Hivyo, namba mbili zinazofuata ni 11 na 13.
Step 2: Tafuta jumla ya namba mbili zinazofuata.
Jumla ya namba mbili zinazofuata ni:
11. Work out: .
Step 1: Fanya hesabu ya kujumlisha namba chanya na hasi. Unapojumlisha namba hasi na namba chanya, unatoa thamani ndogo kutoka kwa thamani kubwa na kuweka ishara ya namba yenye thamani kubwa. Kwa kuwa 9 ni kubwa kuliko 7 na ina ishara chanya, jibu litakuwa chanya.
Jibu ni:
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Sawa Rwangoma, tuendelee na maswali haya! 7. The government increased teacher salary of sh.
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.