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CBSE Class 9 Answered

The cost of one pen is equal to four times of pencil.change to ax+by+c=0 .
Asked by dhyeyvachani26.tl | 11 Apr, 2020, 08:18: PM
answered-by-expert Expert Answer

 
Let the cost of one pen be x and the cost of one pencil be y.
 
According to the condition, we get
x = 4y
→ x - 4y + 0 = 0
Here a = 1, b = -4 and c = 0
Answered by Yasmeen Khan | 11 Apr, 2020, 08:27: PM

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CBSE 9 - Maths
A lending library has a fixed charge for the first three days and an additional charge for each day there after. Neeru paid Rs. 21 for a book kept for five days . Write a linear equation which satisfies this data. Draw trhe graph for the same.
Asked by manmeetsaini1516 | 30 Jun, 2022, 09:36: AM
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CBSE 9 - Maths
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Asked by snehameenu656 | 31 May, 2022, 11:12: PM
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CBSE 9 - Maths
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CBSE 9 - Maths
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CBSE 9 - Maths
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Asked by guntursowmya57 | 16 Mar, 2021, 07:39: PM
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CBSE 9 - Maths
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CBSE 9 - Maths
In △ABC and △DEF , AB = FD , and ∠A = ∠D . The two triangles will be congruent by SAS axiom if
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CBSE 9 - Maths
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Asked by sankalpbanerjee4831g | 28 Sep, 2020, 08:22: PM
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CBSE 9 - Maths
A two digit number is 1 less than twice the number obtained after reversing the digits. Form a linear equation in two variables for the given situation and express it in standard form.
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