Part a:
180 x 30
part b:
underestimate. the rounded value is less than the original number
Answer:
A
Step-by-step explanation:
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Answer:
-7x -1
Step-by-step explanation:
-x - (1 + 6x)
Distribute the minus sign
-x - 1 - 6x
Combine like terms
-7x -1
Answer:
C
Step-by-step explanation:
Using the cosine ratio in the right triangle and the exact value
cos45° = , then
cos45° = = = ( cross- multiply )
2s = 6 ( divide both sides by 2 )
s = 3 → C
Answer:
Step-by-step explanation:
sea level means negative so it have to be C -0.5 foot
problem solved