baraanakash2p09r1f baraanakash2p09r1f

01-12-2017
Mathematics

contestada

A certain number added to its square is 30. Find the number

Respuesta :

tynollette tynollette

01-12-2017

x+x²=30
x²+x-30=0
(x+6)(x-5)=0
x=-6 or x=5

Answer Link

Otras preguntas

The expression (3 – i)2 is equivalent to

A substance that accelerates the rate of a chemical reaction is called a(an) a. catalyst. b. lipid. c. molecule. d. element.

Which of the following statement is FALSE? a. Plath’s work is mostly upbeat and cheerful in tone and mood. b. Plath became known for her style of writing confe

A 16-mile race is made up of 3 equal sections. Which equation shows how to find the number of miles in each section?

in which form of government could all citizens participate directly in the government?

when dealing with an issue that is moral and political how rigid should a person be?

What is the percent composition by mass of oxygen in Ca(NO3)2 (gram-formula mass=164 g/mol)? (1) 9.8% (3) 48% (2) 29% (4) 59%

After World War II, which countries were the two great superpowers of the world? Great Britain, China United States, Great Britain United States, Soviet Union C

why are only inherited traits,not acquired ones,necessary for the process of natural selection?

New York State bedrock of which age contains salt, gypsum, and hematite? (1) Cambrian (3) Mississippian (2) Devonian (4) Silurian