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...
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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...
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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...
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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...
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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...
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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

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...
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02/06/19

#### what is the answer to a/14=6.8

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.

01/28/19

#### 2 angles are SUPPLEMENTARY. One angle is 6 degrees more than 4 times the other. Write a equations, and use algebra to solve for both angles. Give a label.

Supplementary is A+B=180

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

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