the length of a rectangle is 14 meters. the perimeter of the rectangle is 44 meters. what is the width?

Mathematics

1 answer:

fomenos2 years ago

6 0

Answer:

Step-by-step explanation:

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If 7% of Americans is about 22 million, which number below could represent 7% of Americans

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3 years ago

If the following system of equations was written as a matrix equation in the form AX = C, and matrix A was expressed in the form

IrinaVladis [17]

Answer: a-b+c+d =4

Step-by-step explanation:

The given system of equation is

$2x+8y=7\\4x-2y=9$

from this we have the following matrices

$A_1 =\begin{bmatrix}\\2 &8 \\ \\4&2 \\\end{bmatrix}\ ,X=\begin{bmatrix}\\x\\ \\y\\\end{bmatrix}\text{and}\ C=\begin{bmatrix}\\7\\ \\9\\\end{bmatrix}$

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On comparing Matrix $A_1$ with Matrix A

$\begin{bmatrix}\\a &c \\ \\b &d \\\end{bmatrix}=\begin{bmatrix}\\2&8 \\ \\4 &-2 \\\end{bmatrix}$

we have the following values

a=2 ,b=4,c=8,d=-2

Thus a-b+c+d =2-4+8+(-2)=4

8 0

3 years ago

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konstantin123 [22]

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Step-by-step explanation:

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garri49 [273]

Answer:

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General Formulas and Concepts:

Pre-Algebra