Kaitlyn85 Kaitlyn85
  • 10-09-2017
  • Mathematics
contestada

HJ is twice JK. J is between H and K. If HJ= 4x and HK=78, find Jk.

Respuesta :

meerkat18
meerkat18 meerkat18
  • 20-09-2017
You'll find it easier to understand if you illustrate the problem as what is shown in the attached picture. From the illustration and the problem description, two equations can be formulated:

HJ = 2JK
HJ + JK = HK

2JK + JK = 78
3JK = 78
JK = 78/3
JK = 26
Ver imagen meerkat18
Answer Link

Otras preguntas

Holly decided to share 1/2 of her share of the pizza with Deb. How much did each of them actually?
let f(x)=9x-2 and g(x)=-x+3. find f(g(x)).
why do we use a coeficient to remove the propotionality
let f(x)=x^2 - 16. find f^-1(x).
what value of a makes the equation true? 9a+2=4a-18
the difference of two numbers is 11 and their product is 42.find these numbers.
Which choice is equivalent to the expression below? 5x sqrt 2 - 2 sqrt 2 + 2x sqrt 2 A. 7x sqrt 2 - 2 sqrt 2 B. 2x^2 sqrt 2 C. 3x sqrt 2 D. 7x^2 sqrt 2
Lim[(sqrt(cos(2x))-cubicrootof(cos(x))]/arctg(x^2) when x->0
What are some key words to use in writing and evaluation?
Helen Grey By Christina Georgina Rossetti Because one loves you, Helen Grey, Is that a reason you should pout, And like a March wind veer about, And frown, and