2 years ago

Differentiate x raise to Power 3

Mathematics

1 answer:

olga2289 [7]2 years ago

7 0

Answer:

3x^2

Step-by-step explanation:

d/dx (x^3)

d/dx (x^n) = n*x^(n-1)

3x^2

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F to the second time F to the Third

miskamm [114]

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Answer:

always true

Step-by-step explanation:

Given

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2 years ago

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jeka94

Answer:

Amount invested at 8% is $9000 and amount invested at 18% is $21000.

Step-by-step explanation:

Let amount invested at 8% be x.

Let amount invested at 18% be y.

We get the 1st equation as:

$x+y=30000$ ........(1)

We get the second equation as:

$0.08x+0.18(y)=0.15\times30000$

=> $0.08x+0.18y=4500$

or getting rid of the decimal by multiplying by 100 on both sides.

$8x+18y=450000$ ........(2)

Multiplying (1) by 8 and subtracting from (2) we get

$10y=210000$

So, y = 21000

And $x+21000=30000$

$x = 30000-21000$

So, x = 9000

Therefore, amount invested at 8% is $9000 and amount invested at 18% is $21000.

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2 years ago

Differentiate x raise to Power 3 ​

Differentiate x raise to Power 3