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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Hapa kuna masuluhisho ya maswali yako:
12. Using a protractor, ruler and sharp pencil, draw an angle of 130°. Hili ni swali la kuchora.
13. Find the value of . Step 1: Hesabu thamani ya . Step 2: Hesabu thamani ya . Step 3: Jumlisha matokeo. Thamani ni .
14. By selling a phone at 44,000, Jose made a profit of 10%. What was the profit? Bei ya kuuza (Selling Price, SP) ni 44,000. Asilimia ya faida ni 10%. Hii inamaanisha kuwa 44,000 inawakilisha 110% ya bei ya kununulia (Cost Price, CP). Step 1: Tafuta 1% ya bei ya kununulia. Step 2: Tafuta faida, ambayo ni 10% ya bei ya kununulia. Faida ilikuwa .
15. Round off 6294.5 to the nearest tens. Ili kuzungusha namba hadi makumi ya karibu, tunatazama tarakimu ya mamoja. Step 1: Tambua tarakimu ya makumi, ambayo ni 9. Step 2: Tazama tarakimu iliyo kulia kwake (tarakimu ya mamoja), ambayo ni 4. Step 3: Kwa kuwa 4 ni chini ya 5, tunabaki na tarakimu ya makumi kama ilivyo na kubadilisha tarakimu zote kulia kwake kuwa sifuri. Namba iliyozungushwa ni .
16. What is the square root of 0.04? Step 1: Badilisha namba ya desimali kuwa sehemu. Step 2: Tafuta mzizi wa mraba wa sehemu hiyo. Step 3: Tafuta mzizi wa mraba wa namba ya juu na namba ya chini. Step 4: Badilisha sehemu kuwa namba ya desimali. Mzizi wa mraba wa 0.04 ni .
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Hapa kuna masuluhisho ya maswali yako: 12. Using a protractor, ruler and sharp pencil, draw an angle of 130°.
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.