Answer:
(-7, 5)
Step-by-step explanation:
Since both of them are equal to y, you could just set them equal to each other.
5/7x + 4 = -1/7x - 2
6/7x = -6
x = -7
Now just plug x back to one of the equations:
y = -1/7*(-7) - 2 = 7 - 2 = 5
Therefore, the solution to the system is (-7, 5)
Answer:
There are 312 students in choir
Step-by-step explanation:
If there are 52 students in band and for every 1 student in the band, 6 are in choir
Therefore, 52 × 6 = 312
Answer:
(i) anti clockwise, at point (1，0)
(ii) (5,2)
Answer:
3/14
Step-by-step explanation:
P (B then B) = 4/8 x 3/7 or 1/2 x 3/7
