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Draw the graph of the following linear equations in two variables: x + y = 4

To draw the graph x+y=4, we have to find the values which x and y can have, satisfying the equation. We... View Article

PQ ⊥ PS, PQ || SR, ∠SQR = 28° and ∠QRT = 65° x + SQR = QRT (Alternate angles... View Article

We know that the two sides of an isosceles triangle are equal. To verify whether the given points are vertices of... View Article

3(5z – 7) – 2(9z – 11) = 4(8z – 13) – 17 => 15z – 21 – 18z +... View Article

p(x) = x3-3x2+x+1 Zeroes are given as a – b, a, a + b On comparision the given polynomial with general... View Article

(i) First term, a = 7 nth term, an = 84 common difference d= a2- a1= 10( 1/2) – 7= 21/2... View Article

Solution: Salary (xi) Number of workers (fi) fixi 3000 16 48000 4000 12 48000 5000 10 50000 6000 8 48000... View Article

(i) Assume that x = 0.666… Then,10x = 6.666… Lets’s take, x = 0.66666…… 10x = 6.666…. So, 10x – x =... View Article

Solution Let one of the numbers be ‘x’. Then, the other number becomes (x + 15) As per the given... View Article

To draw the graph 3=2x+y, we have to find the values which x and y can have, satisfying the equation.... View Article

Five examples from day-to-day life are listed below 1. Number of children present in an apartment 2. Number of shops present in my... View Article

Given data Common difference, d = 7 22nd term, a22 = 149 Find out Sum of first 22 term, S22 = ? Solution We... View Article

Given Surface area of sphere =154 cm2 Find out We have to find out the volume of the sphere Solution Let... View Article

Given The surface area of sphere is 154 cm² Find out We have to find out the radius of the... View Article

Solution For 100 100 – 1 = 99 [1] 99 – 3 = 96 [2] 96 – 5 = 91... View Article

Write True or False: A circle is a plane figure. True. A circle is a 2d figure and it can... View Article

Given that, 11th term, a11 = 38 16th term, a16 = 73 Find out We have to find out the 31st term We know... View Article

Solution: (i) y = 100° {opposite angles of a parallelogram} x + 100° = 180° {Adjacent angles of a parallelogram}... View Article

2x + 3y = 11…………………………..(I) 2x – 4y = -24………………………… (II) From equation (II), we get x = (11-3y)/2 ………………….(III)... View Article

A sheet of paper falls slower than the crumpled ball. Sheet of paper fall slower A sheet of paper has... View Article