2x + 5y + 7x
---
Combine like terms
(2x + 7x)
---
9x + 5y
Answer:
829
Step-by-step explanation:
Data provided in the question:
margin of error of E = $4
Confidence level = 90%
Standard deviation = $70
Now,
Sample size, n=
for 90% confidence level, z value = 1.645 [from standard z-table]
Therefore,
n =
= 28.7875²
= 828.72 ≈ 829
Hence,
The correct answer is option (D) 829
Answer:600kgms-1
Step-by-step explanation:
mass *velocity
60*10 =600
Answer:
C
Step-by-step explanation:
The domain is the left side of the table