Answer:
x = 0
y = 5
z = -5.
Step-by-step explanation:
X-5y-z=-20
-2x-y-6z=25
-x-4y-z=-15
Add equation 1 and 3:
-9y - 2z = -35 .......... A
Multiply the first equation by 2:
2x - 10y - 2z = -40
Now add this to equation 2:
-11y -8z = -15.............B
Now multiply equation A by -4:
36y + 8x = 140.........C
Add equations B and C:
25y = 125
y = 5.
Substitute for y in equation A:
-9*5 - 2z = -35
2z = -45 + 35 = - 10
z = -5.
Now find x by substituting for y and z in the first equation:
x - 5(5) - (-5) = -20
x - 20 = -20
x = 0.
Answer:
the answer is x=4 and y=25
Answer:
C. Two sperm fertilizing two different eggs that were released in the same cycle.
Answer:
D. The graph of g(x) is the graph of fix) translated to the left 7 units and up 9 units
Step-by-step explanation:
The transformation of f(x) to g(x) ...
g(x) = a·f(b·x -c) +d
involves ...
- vertical expansion by a factor of "a"
- horizontal compression by a factor of "b"
- translation to the right by "c" units
- translation up by "d" units
Here, you have a=b=1, c=-7, d=9, so the graph of f is translated left 7 units and up 9 units to make the graph of g.
