leawood420 leawood420

03-05-2018
Mathematics

contestada

What number must you add to complete the square x^2+20x=33

Respuesta :

kayeecheng2102p3s8sa kayeecheng2102p3s8sa

03-05-2018

x²+20x-33=0
x²+2(10) (x) +10²-10 ²-33=0
(x+10) ²=133
x+10=±√133

Answer Link

Otras preguntas

Solve the following equation algebraically: 4 x squared = 100 a. Plus-or-minus 0.2 b. Plus-or-minus 5 c. Plus-or-minus 12.5 d. Plus-or-minus 10

Type the correct answer in the box. [tex]log\frac{14}{3}+log\frac{11}{5}-log\frac{22}{15} = log[/tex] (correct answer goes here)

set of average city temperatures in august are normally distributed with a mean of 21.25˚c and a standard deviation of 2˚c. what proportion of temperatures are

A submarine descends at a constant rate of 300 feet per minute. Which of the following equations best represents how to find the change of altitude of the subma

I am a substance have different odour in acidic and basic solutions who am I

Simalirities between procedural text and nonprocedural text

Best Buy was having a sale on all flat screen tvs the sale price of a 350 tv was 280 what was the discount rate

Beth is making fruit salad. She adds 3 grapes for every 2 strawberries. If she uses 20 strawberries, how many grapes will she use?

Express in Simplest Radical Form:Simplify the expression: √10×√50a. √5b. √500c. 10√5d. 5√2

Many plants take advantage of these shallow waters, and in turn, they provide food for the caribou and musk ox that are typical of this area. a. Canadian Shield