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3 years ago

F(x)=x^3-2x^2-x what is f(-4)

Mathematics

1 answer:

steposvetlana [31]3 years ago

5 0

Answer:

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Please help! 15 points!

MA_775_DIABLO [31]

Answers:

(a) Area: 2108 in² Perimeter: 192 in

(b) Area

Step-by-step explanation:

To find the area, you do 34 × 62

To find the perimeter you do 34 + 34 + 62 + 62

7 0

3 years ago

Read 2 more answers

What is the perimeter of a baseball diamond 90 ft on each sode

Maurinko [17]

The perimeter is 360 ft

5 0

3 years ago

If B is the midpoint of AC, AC= CD, AB=3x+4, AC= 11x-17, and CE= 49 , find DE

melisa1 [442]

Answer:

Ehhh

Step-by-step explanation:

4 0

3 years ago

Suppose that the ages of members in a large billiards league have a known standard deviation of σ = 12 σ=12sigma, equals, 12 yea

asambeis [7]

Answer:

$n\geq 23$

Step-by-step explanation:

-For a known standard deviation, the sample size for a desired margin of error is calculated using the formula:

$n\geq (\frac{z\sigma}{ME})^2$

Where:

$\sigma$ is the standard deviation
$ME$ is the desired margin of error.

We substitute our given values to calculate the sample size:

$n\geq (\frac{z\sigma}{ME})^2\\\\\geq (\frac{1.96\times 12}{5})^2\\\\\geq 22.13\approx23$

Hence, the smallest desired sample size is 23

3 0

3 years ago

The area of a rug is represented by the following expression, z2 + 4x – 12 , which of the following expressions

ch4aika [34]

Answer:

Width = (x-2)

Step-by-step explanation:

The area of a rug is given by $(x^2+4x-12)$

The length of the rug is (x+6)

We need to find the width of the rug.

The area of a rug is given by :

$A=lb\\\\x^2+4x-12=(x+6)b\\\\b=\dfrac{x^2+4x-12}{(x+6)}\\\\b=\dfrac{x^2+6x-2x-12}{(x+6)}\\\\b=\dfrac{x(x+6)-2(x+6)}{(x+6)}\\\\b=\dfrac{(x+6)(x-2)}{(x+6)}\\\\b=(x-2)$

So, the width of the rug is (x-2). Hence, the correct option is (c).

3 0

3 years ago