Measurement

Length measurement

A method for measuring diameter of a cylinder

Unwind the paper strip and measure the distance between the two pinholes. measure of the circumference is this measurement, since circumference = ( x diameter).

Hence now the diameter can be calculated.

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Square root

Answers for home work

Cube root calculator

Simplest form of calculator:

There is a simple method to compute cube roots using a non-scientific calculator, using only the multiplication and square root buttons, after the number is on the display. No memory is required.

• Enter the square root button once.
• Enter the multiplication button.
• Enter the square root button twice.
• Enter the multiplication button.
• Enter the square root button four times.
• Enter the multiplication button.
• Enter the square root button eight times.
• Enter the multiplication button...

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Probability
Algebra answer

Metods of Factorizing

Methods of Factorizing in Algebra:(Factorization):

Let us learn the methods involved in factorizing in algebra.

• If all the terms of the expression has any common factor, then factorizing in algebra could be done by taking the common factor outside.

For example:xy + yz = y(x+z)

• We could do factorizing in algebra using identities.

x² + 2xy + y² = (x+y)²

x² - 2xy + y² = (x-y)²

x² -y² = (x+y)(x-y)

x² + (a+b)x + ab = (x+a)(x+b)

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Math answers

Polynomial factoring

Introduction to sine

Sine pi

Sine is a function in trigonometry, used in mathematics. To study the characteristics of the function graphing sine function can be used. Negative sine function can also be graphed. Graphing sine and negative sine function are tedious processes. The procedure to graph sine function will be explained later in this section. Negative sine function is represented as '-sin (x)'.The value of 'x' is in degrees. sine function graph is in a waveform of periodic cycles

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factor 24

answers to math problems

Introduction to Isoceles Triangle

Introduction to Isosceles triangle
Let we discuss about isosceles triangle and right angle. A triangle should be the base shapes of geometry. Line segments are the polygon. Isosceles triangles are one type of triangles.

Right angle can be an angle that will divide the angle created by two halves of a straight line. More accurately,and when a ray will place that is (means) its endpoint is over a line. And adjacent angles are equal. These angles are known as right angles.

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List of algebraic formula

List of Algebraic Formula:

1. Pythagorean Theorem: a² + b² = c²

2. Commutative property

Addition: a + b = b + a

Multiplication: a × b = b × a

3. Associative property

Addition: (a + b) + c = a + (b + c)

Multiplication: (a × b) × c = a × (b × c)

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Factor rules 4

Length of an arc