Math Answers

How to differentiate the value like x^3÷4+4×

Prove the following identities

(a)(cos t)(tan t)(csc t) =1

Company XYZ prepares this for jam , which are labelled to have a mass of 500 grams. During the preparation the tins are set to have a mean mass of 550 grams with a standard deviation of 20 grams. One tin is selected from a large batch containing 100 and is found to have a mass of 500 grams. Assuming the masses are normally distributed,test whether the mass of this tin is significantly different from 550 grams at 5% level of significance

U= (x^2+y^2+z^2)^m/2 find value of m Uxx+Uyy+Uzz=0

The minute hand of a clock is 4.5 inches long .what distance does the tip move in 25 minutes

In woodworking class, Steve is making a wooden chest. Steve decides to shape his chest like a rectangular prism because that is the easiest shape to make out of wood. The base of Steve's chest has an area of 320 square inches. The chest is 9 inches tall. What is the volume of Steve's wooden chest?

1. (2x+1)^2y''-2(2x+1)y'-12y=xlog(2x+1)
2. (x+2)^2y''-(x+2)y'+y=3x+4 these two r from legendres

A population consists of five members. The marital status of each member is given below, where M and S stand for married and single respectively.

Member

1

2

3

4

5

Marital Status

M

S

M

S

S

3x1²+3x2²+3x3²+2x1x2+2x1x3-2x2x3

A city has two subrubs subrub x anf subrub y over the past several years, the city has experienced a populatin shift from the city to the subrubs