Answer:
false
Step-by-step explanation:
it is 21.33
Answer:
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
Step-by-step explanation:
Answer:


Step-by-step explanation:
Given
See attachment for complete question
Required
Express the answer in 
From the question, we have:

breath/person in a year
The number of breath is calculated by:

So, we have:

Reorder



Using scientific notation
;
The value (a) must be in the following interval 
So, we have:


By comparing the above with: 


Answer:
The store owner has two of each color weights
Step-by-step explanation:
Answer:
d= -2
Step-by-step explanation:
7 + 4d + 5d = 7d + 3
Combine like terms
7+9d = 7d+3
Subtract 7d from each side
7+9d-7d = 7d-7d+3
2d +7 = 3
Subtract 7 from each side
2d+7-7 = 3-7
2d = -4
Divide each side by 2
2d/2 = -4/2
d = -2