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Rohit
Questions (22)
The Mobius transformation T(z)=(az+b)/(z-1) maps unit circle onto the line Re(z)=3 in such a way that the interior of the circle
0 answers
493 views
25ml
of 0 3 3. M HNO are mixed with 75ml of 0 3 4. M HNO . If the volumes are additive, the molarity of the final mixture would b
1 answer
416 views
An electron (m = 9 x 10-31 kg) leaves the cathode of a radio tube with zero initial velocity and travels in a straight line to
3 answers
526 views
Triangle ABC is a right angled at A. AD is perpendicular to BC,AB=5cm,BC=13cm andAC=12cm. Find the area of triangle ABC.also
1 answer
808 views
In a parallelogram the base and height are in the ratio of 5:2 ,if the area of parallelogram is 360 find base and height
2 answers
728 views
sinx/1 cosx sinx/1-cosx=4 ,x lies in 1st quadrant then value of x is
0 answers
363 views
If 152 grams of ethane (C2H6) are reacted with 231 grams of oxygen gas, what is the excess reactant?
2C2H6 + 7O2(g) → 4CO2(g) +
2 answers
2,852 views
A cylinder of curved surface area 1250m² is formed from a rectangular metallic sheet .Find the dimensions of the rectangular
1 answer
1,022 views
Calculate the standard internal energy change for the formation of water at 298K. The standard enthalpy of formation of water at
0 answers
563 views
The ratio of boys and girls in a class is 5:3 if 20 % of the boys and 60 % of girls have passed in first class what percentage
1 answer
475 views
if the angle of elevation of the sun is change from 45° to 60° then the length of shadow of the pole is deceased by 10 cm then
1 answer
485 views
A turn of radius 20m is banked for the vehicle going at a speed of 36km/h. If the coefficient of static friction between the
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647 views
Two trains are on the same track a distance 100 km apart heading towards one another, each at a speed of 50 km/h. A fly starting
1 answer
1,367 views
Two circles which are not congruent touch externally. the sum of their area is 130¦Ðcm.square and distance between their
1 answer
844 views
'a' and 'b'are integers and (a, b) = 2. Solve the following two equations:
(a+b)^2 = 25a 18(a^4) + (b^4) = 41a(b^2) Can't get it,
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395 views
integrate (sin^8 x - cos^8 x)/(1 - 2sin^2 x * cos^2 x) w.r.t. x
1 answer
453 views
The parallax of the red giant Betelguese is just barely measurable and has a value of about 0.005 arc seconds. What is its
0 answers
491 views
Arcturus is about half as hot as the Sun but is about 100 times more luminous. What is its radius campared to the sun.
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1,123 views
what it meant by equilibrium in economics?how equilibirum attained?
The following site has an ok defintion. (I cannot post the
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609 views
Which of the following is a example of a irriversible change.
a)Disssolve salt in water b)Freezing water C)Mixing water-colour
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767 views
Proove that half of 9 is 4...i know the answer i am just chking whether u all know the answer or not..;P
if u cut IX in
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391 views
Proof that half of 9 is 4..
uhm..it's proove instead of proof need a clue?
0 answers
499 views
Answers (13)
Study
A plane flies with a velocity of 52 m/s east through a12 m/s cross wind blowing the plane south. Find the magnitude and direction (relative to due east) of the resultant velocity at which it travels.
(p^q)^~q is contradiction
y = 46 .. 1st dog ... tan 34 = y/x ... x = 46/ tan 34 ... x = 68.198 feet 2nd dog .. tan 48 = y/x ... x = 46/ tan 48 ... x = 41.42 feet 68.198 - 41.42 = 26.8 feet ~ 27 feet
Actually you need to find series that means sum of the sequence.. That is formula of Sn=? By using Tn=Sn-S(n-1)
Answer is too hard
7+9+15
triangle ABC have angle ABC 90 degree. therefore the triangle ABC is right angled triangle. Therefore, In triangle ABC, by phyathagoras theorem, AC ¡Á AC =AB¡ÁAB BC ¡ÁBC AC ¡Á AC = 5¡Á5 12¡Á12 = 25 144 =169 Therefore, AC =13
Find the radius of a right circular cyilender whose volume is 3080cu.cm and height is 20cm.
a) 7m + 36 = 11m -4m = -36 m = 9 b) 2x + 4 = 10x - 4 -8x = -8 x = 1 c) 11w - 8 = 22 - w 12w = 30 w = 5/2 d) 6a - 12 - a = 9a + 53 + a 5a - 12 = 10a + 53 -5a = 65 a = -13
Let steve = x, therefore ramon = 3x x + 3x = 104 4x = 104 x = 26 Therefore steve earned $26 Ramon = 3 * 26 = $78
4 hundreds 3 tens 3 ones= 433 4 hundreds 3 tens 5 ones= 435 Count with me. 433, ..., 435 ANS: 434
First, you know the formula is a^2 + b^2 = c^2. Next, substitute the values: a^2 + 1^2 = root 10 ^2 Do the operations. a^2 + 1 = 10 Now= a^2 = 10-1 a^2 = 9 a = 3
