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user100 [1]
3 years ago
14

According to the table, which statement is correct about the bank balances?

Mathematics
1 answer:
GuDViN [60]3 years ago
6 0

Answer: The answer is D

Step-by-step explanation:

If you read all the answers only D is true

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Determine the minimum value of f(x, y, z) = 2x 2 + y 2 + 2z 2 + 5 subject to the constraint 3x + 2y + 3z = 4. +
vlada-n [284]
<span>We want to optimize f(x,y,z)=x^2 y^2 z^2, subject to g(x,y,z) = x^2 + y^2 + z^2 = 289. 

Then, ∇f = λ∇g ==> <2xy^2 z^2, 2x^2 yz^2, 2x^2 y^2 z> = λ<2x, 2y, 2z>. 

Equating like entries: 
xy^2 z^2 = λx 
x^2 yz^2 = λy 
x^2 y^2 z = λz. 

Hence, x^2 y^2 z^2 = λx^2 = λy^2 = λz^2. 

(i) If λ = 0, then at least one of x, y, z is 0, and thus f(x,y,z) = 0 <---Minimum 
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(f being a perfect square implies that this has to be the minimum.) 

(ii) Otherwise, we have x^2 = y^2 = z^2. 
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This yields eight critical points (all signage possibilities) 
(x, y, z) = (±17/√3, ±17/√3, ±17/√3), and  
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I hope this helps! </span><span>
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8 0
3 years ago
If 23 is subtracted from 8 times the number, the result is the square of 2 less than the number.
pychu [463]
I believe the answer is 116.

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that’s what i got not sure if that is correct
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<span>Normally when they tell you interest rate they say per annum meaning the percent interest rate for a year.

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