bakereli1999
bakereli1999
04-05-2015
Mathematics
contestada
what is x for number 14.
Respuesta :
emme18
emme18
04-05-2015
x^2[tex](x+7)^2=x^2+10^2 x^2+14x+49=x^2+100 14x+49=100 14x=51 x=3.64[/tex]
Answer Link
AL2006
AL2006
04-05-2015
It's a right triangle. So
(x²) + (10²) = (7+x)²
x² + 100 = 49 + x² + 14x
That may look ugly, but I'm pretty sure you can handle it from this point.
Wow ! I just noticed that you can subtract x² from each side
and not even have to mess with it again.
Answer Link
VER TODAS LAS RESPUESTAS ( 55+ )
Otras preguntas
what issue created tension between fdr and southern democrats?
help!!!! 1. A material that can be hit without shattering is? viscous, flammable, hard, malleable 2. At room temp., a substance with a melting point of 40% C is
6. All of the following changes occurred in China between 1500 and 1800 except (1point) A. An increase in population B. Growth in manufacturing and trade C. Imp
Your home insurance policy has a $500 deductible. If a small fire causes $1200 damage to your home, what amount of the claim would the insurance company pay? A.
which term describes an enzyme
What is the term for words such as after, before, following, and then in the chronological writing process? A. signal words B. indefinite pronouns C. conjunct
the building blocks of proteins are known as
Money managers: A. help people set up budgets to control personal spending. B. typically work for investment banks. C. are on the sell side of Wall Street. D
Suppose that *n = {n - 2, n + 2, 2n, n/2}. For example, *6 = {3,4,8,12}. For how many distinct integers n does *n have exactly three distinct elements?
A skier needs to buy new ski poles during a ski trip to Utah. The price of the poles is $24 and the sales tax is 4.7%. What is the total cost of the poles, roun
