Answer:
-48
Step-by-step explanation:
36/-3 = -12
-12 + 2(27/3 * -2)
27/3 = 9
-12 + 2(9 * -2)
9 * -2 = -18
-12 + 2(-18)
2 * -18 = -36
-12 + -36 = -12 - 36
-48
B is 90-42=48° since complementary angles add to 90°
1,132 people came to watch the balloon festival.
Answer:
(-2, -4)
Step-by-step explanation:
–2x + 2y = -4
3х + Зу = -18
Divide the first equation by 2
–2x/2 + 2y/2 = -4/2
-x +y = -2
Divide the second equation by 3
3х/3 + Зу/3 = -18/3
x + y = -6
Add these equation together
-x +y = -2
x + y = -6
-------------------
0x + 2y = -8
2y = -8
Divide each side by 2
2y/2 = -8/2
y = -4
Now we need x
x+y = -6
x-4 = -6
Add 4 to each side
x-4+4 = -6+4
x = -2
