kara30
kara30
04-09-2017
Mathematics
contestada
helppppppppp!!!!!!!!!!!
Respuesta :
mreijepatmat
mreijepatmat
04-09-2017
- 9y + 6x = 7 (a)
+9y - 8x = 9 (b)
Add a) + b)
- 9y + 6x = 7 (a)
+9y - 8x = 9 (b)
----------- -------
0y - 2x = 16
Solve for x:
-2x = 16
2x = -16
x = - 8.
Now replace x = 8 in either a) or b) and you will find y = -55/9
Answer Link
VER TODAS LAS RESPUESTAS ( 29+ )
Otras preguntas
A pea plant is heterozygous for height (Tt). Which allele will be carried by a pollen grain produced by the plant? A.T only B.t only C.T and t D.T or t
A molecule of nitrogen gas consists of two nitrogen atoms joined together. Write the formula of nitrogen gas.
which number will make the fractions equivalent 25/35
A 36-tooth gear turns three times. It is connected to a 12-tooth gear. How many times does the 12-tooth gear turn?
what is 5.71 rounded to the nearest whole number
Which term describes the example below? A child with a widow’s peak has a mother who is homozygous dominant for a widow’s peak and a father who is homozygous do
a bottle contains 12 red marbles and 8 blue marbles. A marble is chosen at random and not replaced. Then a second marble is chosen at random. Determine the prob
How many electrons are in a carbon 13 (13c) atom?
how do i change a trapezoid into a rectangle
Which statement is true of a placenta? a. The placenta passes oxygen, nutrients, and other useful substances from the fetus to the mother. b. The placenta passe
