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If (y=5+2.5x), what is (y) at (x=4)?यदि (y=5+2.5x), तो (x=4) पर (y) क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 1515
Substitute 4 for x in the given expression: y=5+2.5(4)=5+10=15. Therefore, the correct answer is 15. The value 12.5 is not obtained when x=4; it results from an incorrect multiplication. In exams, multiply first and then add the constant term.दिए गए व्यंजक में x के स्थान पर 4 रखें: y=5+2.5(4)=5+10=15। इसलिए सही उत्तर 15 है। 12.5 केवल 2.5×5 के बराबर है; यह x=4 रखने से नहीं मिलता। परीक्षा में पहले गुणा करें, फिर स्थिर पद जोड़ें।
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