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Dollar A.

tutor from 2 years

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Geometry

TutorMe

Question:

angles of a triangle are in the ratio of 2:3:4. Find the values of all the angles and find the difference between largest and smallest angle?

Dollar A.

Answer:

Sum of angles of triangle is 180 2x+3x+4x=180 9x=180 x=20 Values of all the angles are 40,60,80 Difference between largest and smallest angle is 80-40=40

Basic Math

TutorMe

Question:

30%of20%of25

Dollar A.

Answer:

30/100*20/100*25 =3/10*1/5*25 =3/50*25 answer is 3/2=1.5

Algebra

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Question:

2x+1/3x=5 then find out the value of 5x/6x2+20x+1

Dollar A.

Answer:

2x+1/3x+5 multiply 2x*3x=6x2 6x2+1=15x put this value of 6x2+1 in given equation in question. Equation becomes 5x/15x+20x 5x/35x the answer is 1/7

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