SoFluffy2002
SoFluffy2002
24-10-2017
Mathematics
contestada
9z(7z-4)=6 step by step please
Respuesta :
elhamrah11
elhamrah11
24-10-2017
Distribute 9z to 7z and -4
You get 56z^2 - 36z = 6
56^2 - 36 - 6 = 0
Solve using quadratic formula
z is approx 0.78 and approx. -0.14
Answer Link
Аноним
Аноним
24-10-2017
Expand 9z(7z - 4): 63z^2 - 36z
63z^2 - 36z = 6
Subtract 6 from both sides
63z^2 - 36z - 6 = 6 - 6
Simplify
63z^2 - 36z - 6 = 0
z= 6 + radicant 78/ 21, z= 6- radicant 78/ 21
Answer Link
VER TODAS LAS RESPUESTAS ( 98+ )
Otras preguntas
When did Gregor Mendel perform his experiments with garden peas?a. in the 1860s, the same decade as the United States' Civil Warb. in the 1760s, predating the
3 (2x -1) = -2 (x +3)
What is the distance between points (16, -43) and (1, 51)?
If f(x) = 2x2 +5/(x-2), complete the following statement: f(3) = ______
Given the following box plot: 21 27 38 43 48 What is the interquartile range?
Sociology can be approached from both a micro-sociological and a macro-sociological perspective. Which is more useful? The macro-sociological perspective is mor
Base your answer to the following question on the poem below and on your knowledge of social studies.. . . you, African, suffered like a beast Your ashes strewn
Which activity is part of developing a fashion forecast?creating designsanalyzing informationselecting modelsdesigning information
Predict the effect of a plant disease thatdestroys all the chloroplasts in a plant.
How are breathing and cellular resperation similar?
