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otez555 [7]
3 years ago
15

Tim has twice as many marbles as Luke together they have 39 marbles how many marbles does time have

Mathematics
2 answers:
mash [69]3 years ago
4 0
Luke has 13 and Tim has 26, Tim has twice has many marbles as Luke which would be 13 times 2, 26+13=39
lina2011 [118]3 years ago
4 0
None

Or 26
39/3=13+13 because tim has twice so its 26

Or none because you said 'how many marbles does TIME have' and its not time its tim. I dont know if thats typo or thats the real question. Lol
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If y= 3x + 6, what is the minimum value of (x^3)(y)?
Rainbow [258]

Answer:

Given the statement: if y =3x+6.

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Let f(x) = (x^3)(y)

Substitute the value of y ;

f(x)=(x^3)(3x+6)

Distribute the terms;

f(x)= 3x^4 + 6x^3

The derivative value of f(x) with respect to x.

\frac{df}{dx} =\frac{d}{dx}(3x^4+6x^3)

Using \frac{d}{dx}(x^n) = nx^{n-1}

we have;

\frac{df}{dx} =(12x^3+18x^2)

Set \frac{df}{dx} = 0

then;

(12x^3+18x^2) =0

6x^2(2x + 3) = 0

By zero product property;

6x^2=0   and 2x + 3 = 0

⇒ x=0 and x = -\frac{3}{2} = -1.5

then;

at x = 0

f(0) = 0

and  

x = -1.5

f(-1.5) = 3(-1.5)^4 + 6(-1.5)^3 = 15.1875-20.25 = -5.0625


Hence the minimum value of (x^3)(y) is, -5.0625






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3 years ago
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Answer:

Step-by-step explanation:

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3 years ago
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chubhunter [2.5K]
1.

Make the fractions improper.

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2. 

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Answer:

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Step-by-step explanation:

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