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3 years ago

Help I need it plssssssssss

Mathematics

2 answers:

velikii [3]3 years ago

4 0

Answer:

28in or c

Step-by-step explanation:

The area of a rectangle is a measurement of the two-dimensional space within the rectangle, or the number of square units within the rectangle.

The formula used to find the area of a rectangle is A = l * w.

The formula used to find the perimeter of a rectangle is P = 2 * (l + w)

Brainlest pls

Troyanec [42]3 years ago

3 0

Just add up all the sides

10 + 10 + 4 + 4 = 28

Hope that helps

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Step-by-step explanation:

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Answer:

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3 years ago

Compute the difference quotient, StartFraction f (x plus h )minus f (x )Over h EndFraction f(x+h)−f(x) h, for the function f (

lawyer [7]

Answer:

The difference quotient for $f(x)=3x^2$ is $3 h + 6 x$ .

Step-by-step explanation:

The difference quotient is a formula that computes the slope of the secant line through two points on the graph of f. These are the points with x-coordinates x and x + h. The difference quotient is used in the definition the derivative and it is given by

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So, for the function $f(x)=3x^2$ the difference quotient is:

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Finally,

$\frac{f\left(x+h\right)-f\left(x\right)}{h}=\frac{\left(3 \left(h + x\right)^{2}\right)-\left(3 x^{2}\right)}{h}$

$\frac{3\left(\left(h+x\right)^2-x^2\right)}{h} \\\\\frac{3(h^2+2hx+x^2-x^2)}{h} \\\\\frac{3h\left(h+2x\right)}{h}\\\\3h+6x$

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3 years ago

Help! Need this done quickly! picture is upside down so please flip your screen! sorry!

iogann1982 [59]

Answer:

x=6

Step-by-step explanation:

Hi there!

1) Determine the perimeter of the square

We're given that the perimeters of the square and the rectangle are equal. Therefore, after finding the perimeter of the square, we will also know the perimeter of the rectangle.

Find the side length of the square using the area formula:

$A=l^2$ where l is the side length