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PAIR OF LINEAR EQUATIONS IN TWO VARIABLES: Like the crest of a peacock so is mathematics at the head of all knowledge.
Example
At a certain time in a deer park, the number of heads and the number of legs of deer and human visitors were counted and it was found there were 39 heads & 132 legs. Find the number of deer and human visitors in the park.
(Ans:27,12)
Ans: Let the no. of deers be x
And no. of humans be y
ASQ :
x + y = 39 ---- (1)
4 x + 2 y = 132 ----- (2) Multiply (1) and (2)
On solving, we get ...
x = 27 and y= 12
∴ No. of deers = 27 and No. of humans = 12
Example of Decimal to Fraction Conversion: Example: Convert 18.82 to a mixed number. Solution: Step 1: 18.82 is 18 and 82 hundredths. 18.82 = 18(8
Properties of Dot Product u → • (v → + w → ) = u → • v → + u → • w → (cv → ) • w → = v → •(cw → ) = c (v → •w → ) v → • w → = w → • v →
students dont retain the topic, hoe to make it easier?
I have an assignment of set theory, please Explain Methods of set representation.
A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 317317 people over the age of? 55, 7777 dream in black and? whi
3 9/10 into decimal
Eliminate the parameter from the subsequent set of parametric equations. X = t 2 + t Y = 2t - 1 Solution: One of the very easy ways to eliminate the parameter is to
#question.areas of applications of linear program mes to solution to engineering problems.
Solve for x , y (x + y - 8)/2 =( x + 2 y - 14)/3 = (3 x + y - 12 )/ 11 (Ans: x=2, y=6) Ans : x+ y - 8/2 = x + 2y - 14 /3 = 3x+ y- 12/11
can you please help me with this topic that im on in classand I just don''t get it and can u help me with dividing fractions adding mutply subtract add
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