यदि (bx+10y=70) की ढाल (-3) है, तो (b) क्या है?

If (bx+10y=70) has slope (-3), what is (b)?

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Explanation opens after your attempt
Correct Answer

D. (30)

Step 1

Concept

From (10y=-bx+70), the slope is \(-\frac{b}{10}\). From \(-\frac{b}{10}=-3\), (b=30).

Step 2

Why this answer is correct

The correct answer is D. (30). From (10y=-bx+70), the slope is \(-\frac{b}{10}\). From \(-\frac{b}{10}=-3\), (b=30).

Step 3

Exam Tip

(10y=-bx+70) से ढाल \(-\frac{b}{10}\) है। \(-\frac{b}{10}=-3\) से (b=30) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (bx+10y=70) की ढाल (-3) है, तो (b) क्या है? / If (bx+10y=70) has slope (-3), what is (b)?

Correct Answer: D. (30). Explanation: (10y=-bx+70) से ढाल \(-\frac{b}{10}\) है। \(-\frac{b}{10}=-3\) से (b=30) है। / From (10y=-bx+70), the slope is \(-\frac{b}{10}\). From \(-\frac{b}{10}=-3\), (b=30).

Which concept should I revise for this Mathematics MCQ?

From (10y=-bx+70), the slope is \(-\frac{b}{10}\). From \(-\frac{b}{10}=-3\), (b=30).

What exam hint can help solve this Mathematics question?

(10y=-bx+70) से ढाल \(-\frac{b}{10}\) है। \(-\frac{b}{10}=-3\) से (b=30) है।