Step-by-step explanation:
a.
(ax + b)² = 0
√( (ax + b)² )= √0
ax + b = 0
dont know the rest
The exchange rate from <span>£ to € would be 1/0.72 or 1 to 1.889</span>
Answer:
The value of basketball player's autograph a year ago is $280
Step-by-step explanation:
Given as :
The present value of autograph = $ 336.00
The rate of increase of autograph = 20%
The time period = 1 year
Let The value one year ago = $ x
So ,
The value of autograph after n year = The present value × 
Or, $ 336.00 = $ x × 
Or, $ 336.00 = $x × 1.2
∴ x =
= $280
Hence The value of basketball player's autograph a year ago is $280 Answer
Answer:
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Step-by-step explanation:
Given

--- distance from building
--- height of the building
Let the height of the building be H. So:


Make H the subject


The required height s:



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<em> --- approximately</em>