915 Answered Questions for the topic Equations

04/11/19

Trigonometric Equations

Using inverse trigonometric functions, find a solution to the equation  cos(x)=.7 in the interval 0 to 4pi. Then, use a graph to find all other solutions to this equation in this interval. Enter... more

04/11/19

Solving Trigonometric Equations

 Find all solutions to the equation with . Give an exact answer if possible, otherwise give value(s) of  accurate to at least four decimal places.4tan(a)+9=7I found the arctan of -1/2, (2.6779) but... more

04/03/19

equations inequalities

when bob got out of math class, he had to make a long-distance call. he had exactly enough dimes and quarters to make a phone call that would cost $2.55. he has one fewer quarters than he had... more

04/02/19

System of equations

A store orders flour that comes in 5-pound bags let x represent the number of 5-pound bags the store orders. The number of 25-pound bags of flour the store orders is 40 more than half the number of... more

03/27/19

Hotkey for insert equation to word 2010?

It's not so convenient to go to insert --> equation --> insert new equation everytime you want to create a new one. I guess there must be some hotkey to insert an inline equation at the... more

03/18/19

What are the solutions to the equation?

What are the solutions to the equation: 4x^2*y^2+z^4+sqrt(3x^2*y-6x^2)+16=7z^2+4xyz

03/12/19

5x − 5 = x + 15

how do you do this? i know how but this one is confusing.

03/07/19

math is hard...

what equation has no solution?4(x + 1) = 2x + 4 or 9 - 5x +2 = 4 - 5x

02/07/19

Pre-calculus math

A crate has the shape of a rectangular prism. The area of the base of the crate is 252 square inches. The length of the crate is 4 inches greater than the width. The height is 2 inches less than... more

02/06/19

what is the answer to a/14=6.8

02/06/19

what is a/14=6.8

A = 6.814

02/05/19

what's the equation for this?

19 less than a number is the same as the sum of half the number and six. What is the number?

01/31/19

solving and creating equations

Two times the difference between a number and seven is twelve.

01/27/19

4y-16.3=53.1 solve equation

01/24/19

Creating and solving simple equations 2

Eric And Charlotte collect donations for the food bank. Charlotte collected 3 times the amount of Eric’s donations plus $20.00
1 3 5 6 7 37

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