Skillswise Maths

Skillswise maths problem 1:

Skillswise maths problem 1:

Solve the Algebra questions 9(-3x - 6) - (x - 10) = -4(7x + 9) - 8

Solution:

Multiply the factor values for the given equation.

-27x - 54 -x + 10 = -28x - 36 - 8

Grouping the same terms for above equation.

-28x - 44 = -28x - 44

add 28x + 44 to both sides of the equation value and write down the equation value as

0 = 0

The above statement of the equation value is right for all values of x and therefore all real numbers are answer to the given equation.

Skillswise maths problem 2:

Find the factors of the following trinomial. 2x2- 12 x +10 = 0

Solution:

In the first step we are find the factor value of the given numerical values of the x coefficients.

20 (product)

/

-10 - 2

/

-12 (sum)

2x2- 12 x +10 = 2x2 - 2x - 10x + 10

= 2x (x-1) - 10(x-1)

= (2x - 10) (x 2)

So the factors of the given trinomial is (x - 5) and (x - 1).

More Sample Problem for Skillswise Maths:

Skillswise maths problem 3:

Find the radius of a circle. The area of a circle is 153.86 square meters.

Solution:

We are finding the area of the circle. We have radius value so, directly we find area of a circle.

Area of a circle is A = * r2

153.86 m2 = 3.14 * r2

r2 = 153.86/3.14

r2 = 49

r = 7

Skillswise maths problem 4:

Find the area of the equilateral triangle of each side S = 17 cm.

Solution:

Given that the side of the equilateral triangle, S = 17 cm.

Area of the equilateral triangle = S2 * (3) / 4

= 17 * 17 * (3) / 4

= 81 * (3) / 4

= 81 * 0.433

Area of equilateral triangle = 125.137 cm2

by: Smith

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