Today's assignment
1. Define latitudes and longitudes. Also write down its uses.
2. Write down the latitudinal and longitudinal extent of India.
3. Name the line which divide India into two equal half.
4. Name the longitude which have been selected as standard meridian of India.
Answers
Answered by
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Answer:
If 3x + 5y = 6, then, multiplying by 2, 6x + 10y = 12. (1) Similarly,
if 2x - 3y = 4, then, multiplying by 3, 6x - 9y = 12. (2) Subtract (2) from (1) to get
(6x + 10y) - (6x - 9y) = 12 - 12 = 0 => 19y = 0 => y = 0. Substitute this into (1) or (2) to
get 3x = 6 or 2x = 4, so x = 2. A quick check shows 3x + 5y = 3*2 + 5*0 = 6 - 0 = 6 and
2x - 3y = 2*2 - 3*0 = 4 - 0 = 4, as needed. So (x,y) = (2,0) and you should be able to
solve any pair if linear equations by using this technique. Good Luck!
Answered by
0
Answer:
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