एक टंकी में (t=2) पर (138) लीटर और (t=8) पर (84) लीटर पानी है। रेखीय क्षय मॉडल क्या होगा?

A tank has (138) litres at (t=2) and (84) litres at (t=8). What is the linear decay model?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (W(t)=156-9t)

Step 1

Concept

The rate is \(\frac{84-138}{8-2}=-9\). From (138=a-9(2)), (a=156).

Step 2

Why this answer is correct

The correct answer is A. (W(t)=156-9t). The rate is \(\frac{84-138}{8-2}=-9\). From (138=a-9(2)), (a=156).

Step 3

Exam Tip

दर \(\frac{84-138}{8-2}=-9\) है। (138=a-9(2)) से (a=156) मिलता है।

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एक टंकी में (t=2) पर (138) लीटर और (t=8) पर (84) लीटर पानी है। रेखीय क्षय मॉडल क्या होगा? / A tank has (138) litres at (t=2) and (84) litres at (t=8). What is the linear decay model?

Correct Answer: A. (W(t)=156-9t). Explanation: दर \(\frac{84-138}{8-2}=-9\) है। (138=a-9(2)) से (a=156) मिलता है। / The rate is \(\frac{84-138}{8-2}=-9\). From (138=a-9(2)), (a=156).

Which concept should I revise for this Mathematics MCQ?

The rate is \(\frac{84-138}{8-2}=-9\). From (138=a-9(2)), (a=156).

What exam hint can help solve this Mathematics question?

दर \(\frac{84-138}{8-2}=-9\) है। (138=a-9(2)) से (a=156) मिलता है।