winiabundance winiabundance
  • 21-11-2021
  • Mathematics
contestada

U+t=7
Ut=12
Solve simultaneously using formula method

Respuesta :

noname4217
noname4217 noname4217
  • 21-11-2021

Answer:

U= 10 or 11 T=-4 or-3

Step-by-step explanation:

solved using substitution not sure what the formula method is

U+T=7

UT=12

U=12/t

12/t+t=7

12/t=7-t

12=7t-t^2

t^2+7t+12=0

(t+4)(t+3)

t=-4, -3

u-4=7

u=11

u-3=7

u=10

Answer Link

Otras preguntas

Three Challenges former slaves faced during the reconstruction ?
What was one effect of the Intolerable Acts?
PLEASE HELP! A school wants to put on a dance recital. Middle School dancers have short programs that run four minutes long. High School performers will dance
PLEASE HELP ! ! ! Hi everyone, I need help with the problems #1-6. Please, quickly, DUE TO TOMORROW ! ! !
Why is iodine deficiency no longer a common cause of hypothyroidism in the united states?
True or false: Teachings are a type of theme
How many solutions can be found for the linear equation? 6( 3x 2 + 4) - 10 = 1 2 (4x + 16)
What causes the speaker of Sonnet 29 to feel like a "lark at break of day" ? A. Reminiscing of the "good ole days" B. Thinking of his sweet lov
which term best describes the point where the perpendicular bisectors of the three sides of a triangle intersect?
What are endpoints of a line segment that divides the triangle defined by the vertices (2, 2), (8, 0), and (8, 4) into two congruent triangles? A. (5, 1) and (