eemorales2099 eemorales2099
  • 15-09-2018
  • Mathematics
contestada

Point h is between g and i. If gh = 2x2 + 7x, hi = 9x – 2, and gi = 38, find the length of gh, hi and the possible values of x.

Respuesta :

lesliekolleroxrkcf
lesliekolleroxrkcf lesliekolleroxrkcf
  • 15-09-2018
2x²+7x+9x-2=38
2x²+16x-40=0
2(x²+8x-20)=0
2(x+10)(x-2)=0
x=-10 or x=2
if we let x=-10 we get negative lengths for some of the segments which is not allowed so discard it. for x=2,

gh=22, hi=16, and gi=38
Answer Link

Otras preguntas

how do you do this??
The sum of two consecutive numbers is 70. Find the largest two terms.
Which statement best describes Africa immediately after the end of World War II? A.)Many African nations created new laws that encouraged a strict separation of
Determine the standard form of the equation for the circle with center (h,k) = (-5 ½) and radius r =1 (with an explanation please
Ashton works as a marketing manager for a consumer products firm. His total earnings, A, in x months is given by the function A(x) = 2,400x + 40x2. His total sa
How is the process of adding and subtracting radicals similar to that of simplifying expressions with variables?
Which of the following is a solid strategy for memory
read the sentence from the declaration of independence why is this sentence an example of the use of personification? They too have been deaf to the voice of ju
what is 2.48 expressed as an improper fraction in simplest form?
Which of the following statements best defines the term credit according to the text? A. Free money given to a consumer by a creditor B. A loan which is repaid