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 ( 84+ )
Otras preguntas
Angle ABC is taken by a dilation with centerpoint, P and scale factor of four to angle A’B’C’ the measure of angle, BCA is 75° what is the measure of angle B’C’
A 16.0 kg canoe moving to the left at 10 m/s makes a head-on collision with a 19.0 kg raft moving to the right at 7.0 m/s. After the collision, the canoe moves
Angle ABC is taken by a dilation with centerpoint, P and scale factor of four to angle A’B’C’ the measure of angle, BCA is 75° what is the measure of angle B’C’
A parking garage bases its prices on the number of hours that a vehicle parks in the garage.The first two hours cost $2 per hour, between two hours and six hour
The study of the communicative function of touch is known as A) haptics. B) paralinguistics. C) chronemics.
Maria is going to purchase cranberry juice and lemon-lime soda for a new fruit punch recipe. The recipe calls for 3.5 times as many bottles of lemon-lime soda a
1. Arc QR = Arc RS = 2. Find x and y -- if your answer is not a whole number, round to the tenths!
Choose ALL correct answers (1, -3) (4, 1) (6, 3) (2, -2)
Maria is going to purchase cranberry juice and lemon-lime soda for a new fruit punch recipe. The recipe calls for 3.5 times as many bottles of lemon-lime soda a
How many solutions does the following equation have? -14(z-5) = -14z +70 Choose 1 answer: A. No solutions B. Exactly one solution C. Infinitely many solutions