Answer:
The number in the green box should be 3.
Step-by-step explanation:

A=43.0491 (4 .d.p.). B=53.7785 (4 .d.p.). C=83.1724 (4 .d.p.). Explanation: Labelling triangle in the conventional way i.e. side a opposite angle ...
Answer:
20 cause when According to Sciencealert, the longest math equation contains around 200 terabytes of text. Called the Boolean Pythagorean Triples problem, it was first proposed by California-based mathematician Ronald Graham, back in the 1980s.The Navier-Stokes equation, for me is the hardest of all. This is the full Navier-Stokes equation in conservative form. It looks pretty simple, but as one will dig in, they will notice why it is the hardest one.
Answer:
This is as much as I could do.
Step-by-step explanation:
Steps r in pic below
The total cost of hard drive is $29.96
Step-by-step explanation:
Given,
Original price = $40
Discount = 30%
Discount amount = 30% of $40 = 
Discount amount=
Price after discount = Original price - discount amount
Price after discount = 40-12 = $28
Tax rate = 7%
Tax amount = 7% of price after discount

Total cost of hard drive = Price after discount + Tax amount
Total cost of hard drive = 28+1.96 = $29.96
The total cost of hard drive is $29.96
Keywords: subtraction, addition
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