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3 years ago

The following values of (x) and f(y) are given. Find the best value of (dy/dx) at

Mathematics

1 answer:

velikii [3]3 years ago

4 0

Answer:

dy/dx at x=6 is 0.334

Step-by-step explanation:

The center difference method requires that the values of the function are given in equal intervals which is the case, and allows one to find the value for x = 6 using those of the function for x = 5.5 and for x = 6.5 as follows:

$\frac{dy}{dx} =\frac{3.7436-3.4096}{6.5-5.5} =0.334$

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Find an expression for the height of a parallelogram whose area is represented by 2x^3 − x^2 − 20x + 3 and whose base is represe

Paha777 [63]

Answer:

The height of parallelogram is $2x^2-7x+1$

Step-by-step explanation:

Area of parallelogram = $Base \times Height$

Area of parallelogram = $2x^3 -x^2 -20x + 3$

Base of parallelogram = x+3

So, $2x^3-x^2-20x + 3 = height \times (x+3)$

$\frac{2x^3- x^2 -20x + 3}{x+3}= height\\2x^2-7x+1=Height$

Hence The height of parallelogram is $2x^2-7x+1$

6 0

4 years ago

Simplify (x-1)(x^2+5x+2)

Dvinal [7]

Answer:

x³ + 4x² - 3x - 2

Step-by-step explanation:

Each term in the second factor is multiplied by each term in the first factor

(x - 1)(x² + 5x + 2)

= x(x² + 5x + 2) - 1(x² + 5x + 2) ← distribute both parenthesis

= x³ + 5x² + 2x - x² - 5x - 2 ← collect like terms

= x³ + 4x² - 3x - 2

5 0

4 years ago

Read 2 more answers

What are numerical variables with outcomes that cannot be listed or counted because they occur over a range called?

ziro4ka [17]

Answer:

Continues variables

Step-by-step explanation:

A continuous variable is the one that takes an exact value in a continuous range. Always between 2 observable values, there are going to exit a third intermedium value that the variable can take.

5 0

3 years ago

Someone please help me

Phoenix [80]

Answer: 120, 60, 180

Step-by-step explanation:

1) Area of a rectangle's formula is:

l × w

So, looking at the diagram, we get:

6 × 20 = 120 cm²

2) Area of a trapezoid's formula is:

$\frac{a+b}{2}$ × h (where both a and b are the different base lengths)