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Mathematical Modelling

Class 9 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsA water tank initially contains 120 litres of water, and water is added at a constant rate of 8 litres per minute. A student writes \(W=120t+8\) for water quantity \(W\) and time \(t\). What is the error in the model?Class 9Introduction to PolynomialsSlope and y-interceptHard MathematicsWhich linear polynomial represents a quantity with an initial value of 120 that decreases by 5 units for every increase of 1 unit in x?Class 9Introduction to PolynomialsLinear growth and decayMedium MathematicsIf the number of objects starts from (2) and increases by (3) each step, what is the correct rule after (x) steps?Class 9Introduction to PolynomialsLinear growth and decayEasy MathematicsIf a quantity starts at (70) and decreases by (5) each step, which rule represents it?Class 9Introduction to PolynomialsLinear growth and decayEasy MathematicsIf a box has (40) candies and (5) decrease each day, which rule represents it?Class 9Introduction to PolynomialsLinear growth and decayEasy MathematicsIf a plant grows by (2) cm each day and starts at (10) cm, which rule represents it?Class 9Introduction to PolynomialsLinear growth and decayEasy