What is the conjugate of the product (2 - i)(1+2i)?
1 answer:
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Answer:
w = 13
Step-by-step explanation:
Using the method of cross- multiplying
• =
⇒ ad = bc, thus
42(w + 11) = 28(w + 23) ← distribute parenthesis on both sides
42w + 462 = 28w + 644 ( subtract 28w from both sides )
14w + 462 = 644 ( subtract 462 from both sides )
14w = 182 ( divide both sides by 14 )
w = 13
The cost of per square foot is 1200.
Step-by-step explanation:
Given,
Total area = 450 Square foot
Total cost = 540000
Cost of per square foot =
The cost of per square foot is 1200.
Keywords: Area, Division
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