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gladu [14]
3 years ago
5

Find the area of a floor that measures 12.75 ft. by 10.5 ft

Mathematics
2 answers:
agasfer [191]3 years ago
4 0

Answer:  The required area of the floor is 133.875 sq. ft.

Step-by-step explanation:  We are given to find the area of a floor that measures 12.75 ft. by 10.5 ft.

We know that

a floor is of rectangular shape and the area of a rectangle is the product of its dimensions.

For the given floor, we have

length, l = 12.75 ft   and   width, w = 10.5 ft.

Therefore, the area of the follow is given by

A=lw=12.75\times10.5=133.875.

Thus, the required area of the floor is 133.875 sq. ft.

Reika [66]3 years ago
3 0

Answer:

A =133.875 ft^2

Step-by-step explanation:

A = l*w

The length is 12.75 and the width 10.5

A = 12.75 * 10.5

A =133.875 ft^2

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Step-by-step explanation:

Considering the function

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Analyzing option A)

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Putting x = 1 in the function

f\left(1\right)=\:\left(\frac{1}{10}\right)^1

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Therefore, the statement that '' The graph contains \left(1,\:\frac{1}{10}\right)  '' is TRUE.

Analyzing option B)

Considering the function

f\left(x\right)=\:\left(\frac{1}{10}\right)^x

The range of the function is the set of values of the dependent variable for which a function is defined.

\mathrm{The\:range\:of\:an\:exponential\:function\:of\:the\:form}\:c\cdot \:n^{ax+b}+k\:\mathrm{is}\:\:f\left(x\right)>k

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\mathrm{Range\:of\:}\left(\frac{1}{10}\right)^x:\quad \begin{bmatrix}\mathrm{Solution:}\:&\:f\left(x\right)>0\:\\ \:\mathrm{Interval\:Notation:}&\:\left(0,\:\infty \:\right)\end{bmatrix}

Therefore, the statement that ''The range of f(x) is y > \frac{1}{10} " is FALSE

Analyzing option C)

Considering the function

f\left(x\right)=\:\left(\frac{1}{10}\right)^x

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\mathrm{Domain\:of\:}\:\left(\frac{1}{10}\right)^x\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:-\infty \:

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Analyzing option D)

Considering the function

f\left(x\right)=\:\left(\frac{1}{10}\right)^x

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i.e. 0 < b < 1

Thus, the function is decreasing

Also check the graph of the function below, which shows that the function is decreasing.

Therefore, the statement '' It is always increasing '' is FALSE.

Keywords: function, exponential function, increasing function, decreasing function, domain, range

Learn more about exponential function from brainly.com/question/13657083

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