what is formula for volume

Let us learn about Volume formula.

what is formula for volume?

Volume of hemisphere = ½(4/3πr^2) where r is the radius

Volume of sphere = 4/3πr^3 where r is the radius.

Volume of pyramid = 1/3xArea of base × height

Volume of cone = 1/3xArea of base × height

Volume of prism = Area of base × length

Volume = Area of base × height

volume formula helps us to find volume of hemisphere, sphere, Sphere, pyramid, cone, prism so on.

In our next blog we shall learn about graph linear equations I hope the above explanation was useful.Keep reading and leave your comments.

square root of 225

Let us find out square root of 225

Students always complains their parents about their homework & always ask their parents to "do my homework" Many school books seems to think that since calculators can find square root of 225, that student don't need to learn how to find square root of 225 using any pencil-and-paper method. But understanding at least the "guess and check" method for finding the square root of 225 will actually help the student to understand & remember the square root of 225 concepts itself!

So even though student math book may totally dismiss the topic of finding square root of 225 without a calculator, students can consider letting them practice at least the first method presented here. This technique or method, "guess and check", actually works around what the square root of 225 is all about, so I would consider exercises with it as essential to help student understand the concept of square root of 225.

Depending on the student, it might be good to concentrate on tutoring the concept of square root of 225 without taking the time for paper-pencil calculations. In this case, student can study the guess & check method with the help of a simple calculator that doesn't calculate square root of 225 but can quickly do the multiplications

The square root of 225 is negative & positive 15.

The square root of 255 cannot be simplified. It's just sqrt (255).

In our next blog we shall learn about simplest form calculator I hope the above explanation was useful.Keep reading and leave your comments.

quadratic equation examples

Let us solve quadratic equation examples.

There are 4 methods to solve quadratic equation. they are as follows;

1) Completing the Square, 2) Using the Quadratic Formula , 3) Factoring, 4) Square Root Method

Solve x² + x = 20 by factoring. And give a positive number only

Rewrite equation in standard form: x² + 2 x − 20 = 0

Factor the left side: (x + 5) (x − 4) = 0

Apply zero-product rule: x + 5 = 0 or x − 4 = 0

Solve for x in each equation: x = 4 and x =-5

Solve equation (3x −1)² − 9 = 0.

Apply square root method: (3 x − 1) ² = 9

3 x − 1 = √9 or 3x - 1 = − √9

3 x − 1 = 3 or 3 x − 1 = −3

Solve equations:

3x −1+1= 3 +1 or 3x -1+1= -3 +1

3 x = 4 or 3 x = −2

X = 4/3 or x = -2/3

In our next blog we shall learn about solving polynomial equations I hope the above explanation was useful.Keep reading and leave your comments.

galvanometer

Let us learn about galvanometer

Galvanometer is device used for measuring & detecting electric current. Galvanometer is an analog electromechanical transducer that produces a rotary deflection of some type of pointer in response to electric current flowing through its coil. The Galvanometer has expanded to include many uses of the same mechanism in positioning, recording, & servomechanism equipment.

The torque on a current roll in a uniform magnetic field is used to measure electrical magnetic field is used to measure electrical currents, the device used to measure current is called a moving coil galvanometer.

In our next blog we shall learn about kinetic energy formula I hope the above explanation was useful.Keep reading and leave your comments.

factors of 15

Let us find out factors of 15.

The factors of 15 are 1, 3, 5, and 15.
The prime factors of 15 are 3 and 5.

Find the products that represent the prime factorization of222.

Solution:

The prime factors of 222 are 2 and 3and 37 so:

222 = 2× 3 × 37

While you can observe, each factor is a prime number, so the answer should be right - the prime factorization of 222 is 2× 3 ×37.

In our next blog we shall learn about adding polynomials I hope the above explanation was useful.Keep reading and leave your comments.

geometric sequence

Let us learn geometric sequence.

geometric progression / geometric sequence, is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed non-zero number called the common ratio.

1. The 9^th term of an Arithmetic sequence is –7 and the 18^th term is 20. Find the sequence.

Solution:

t₉ = a + 8d = –7

t₁₈ = a + 17d = 20

t₁₈–t₉ gives 9d = 27

d = 3

Substituting d = 3 in t₉, we get

a + 24 = – 7,

a = – 31

Hence the Arithmetic sequence. is -31, -28, -25,…

In our next blog we shall learn how to make a pie chart I hope the above explanation was useful.Keep reading and leave your comments.

height converter

Let us learn about height converter

Height converter is specified in either centimeter, meters , feet and inches. The height & weight can be converted from centimeter to feet, meter into feet and etc. in conversion the unit is mentioned such as cm or feet.

1 centimeter = 0.033 feet

1 feet = 30.48 centimeter, same like

Height converter Cm to feet

2 centimeter = 0.065 616 797 9 feet

3 centimeter = 0.098 425 196 85 feet

Feet to cm

2 feet = 60.96 centimeter

3 feet = 91.44 centimeter

In our next blog we shall learn about granite gradebook I hope the above explanation was useful.Keep reading and leave your comments.