Answer:
Step-by-step explanation:
Complex numbers identity:
The complex numbers identity is:
Square of the sum:
In this question:
So
Answer:
2. 112
3. 78
5. 672
7. 149.8
9. 17.5
10. 19360
11. 64 000
13. 29
14. 350240
15. 386
16. 224
17. 0.9071847
Step-by-step explanation:
Answer:
36 gallons
Step-by-step explanation:
y = 4/5x
Let x = 45 minutes
y = 4/5 (45)
y = 36 gallons
6000 would be your answer
Answer: -15x+6
Step-by-step explanation:
c(x) = 3x - 6
d(x) = -5x + 4
(cod)(x)=
c(d(x))=
c(-5x+4)=
3(-5x+4)-6=
-15x+12-6=-15x+6