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3 years ago

How many 2 inch cubes are needed to completely fill a cubic box of edges 8 inches?

1 answer:

8 0

64 of them because 2 inch cubes are needed to completely fill a cubic box of edges 8 inches

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Find f such that the given conditions are satisfiedf’(x)=x-4, f(2)=-1

kicyunya [14]

Given:

$f^{\prime}\left(x\right)=x-4,\text{ and}f\left(2\right)=-1$

To find:

The correct function.

Explanation:

Let us consider the function given in option D.

$f(x)=\frac{x^2}{2}-4x+5$

Differentiating with respect to x we get,

$\begin{gathered} f^{\prime}(x)=\frac{2x}{2}-4 \\ f^{\prime}(x)=x-4 \end{gathered}$

Substituting x = 2 in the function f(x), we get

$\begin{gathered} f(2)=\frac{2^2}{2}-4(2)+5 \\ =2-8+5 \\ =-6+5 \\ f(2)=-1 \end{gathered}$

Therefore, the given conditions are satisfied.

So, the function is,

$f(x)=\frac{x^{2}}{2}-4x+5$

Final answer: Option D

6 0

1 year ago

8x - 2 = -9 + 7x what does x equal

Nimfa-mama [501]

Answer:

x = - 7

Step-by-step explanation:

8x - 2 = -9 + 7x (add 2 to both sides)

8x - 2 + 2 = -9 + 7x + 2

8x = 7x - 7 (subtract 7x from both sides)

8x - 7x = 7x - 7 - 7x

x = - 7

4 0

3 years ago

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Which expression can you use to find 16÷45?

Serga [27]

Answer:

☆<《HOPE IT WILL HELP YOU 》>☆

Step-by-step explanation:

Exprassion is 16/45--x=0

7 0

3 years ago

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What is the product of 2,681 and 4?

NikAS [45]

Product means multiply so 2,681 times 4 = 10,724

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3 years ago

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What is the first step for multiplying decimal numbers?

dimulka [17.4K]

Read the question correctly

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3 years ago