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3 years ago

A rectangular room is three times as long as it is wide, and its perimeter is 48 meters. Find the length of the room.

Mathematics

1 answer:

Marianna [84]3 years ago

5 0

To find the length of the room you will have to add up all of the sides and divide by four

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Simplify the following expression. cot^2x secx-cosx

Solnce55 [7]

ANSWER

$\cos(x) \cot ^{2} (x)$

EXPLANATION

The given expression is;

$\cot^{2} (x) \sec(x) - \cos(x)$

Change everything to

$\sin(x)$

and

$\cos(x)$

This implies that,

$\frac{ \cos^{2} (x) }{ \sin^{2} (x) } \times ( \frac{1}{ \cos(x) } )- \cos(x)$

Cancel the common factors,

$\frac{ \cos(x) }{ \sin^{2} (x) } \times ( \frac{1}{1} )- \cos(x)$

$\frac{ \cos(x) }{ \sin^{2} (x) }- \cos(x)$

$\frac{ \cos(x) - \sin ^{2} (x) \cos(x) }{ \sin^{2} (x) }$

$= \frac{ \cos(x)(1 - \sin ^{2} (x) ) }{ \sin^{2} (x) }$

$= \frac{ \cos(x)(\cos^{2} (x) ) }{ \sin^{2} (x) }$

$= \cos(x) \cot^{2} (x)$

6 0

3 years ago

11 - y = 3 + 6x I need to solve the literal equation for y, but I don’t get it

klio [65]

Answer: y = -6x + 8

Step-by-step explanation:

11 - y = 3 + 6x

-11 -11

-y = -8 + 6x

-1

y = -6x + 8

7 0

3 years ago

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CAN SOMEONE HELP ME W THIS FASTTTT I NEED HELP HELPPP

SIZIF [17.4K]

Answer:

The answer would be -5 :)

Step-by-step explanation:

5 0

3 years ago

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The figure is cut into 15 equal pieces. 2. Shade of the figure. 5

oksano4ka [1.4K]

Answer:

Each equal part is called one-fourth or a quarter of the whole sheet. Thus, any whole can be divided into four equal parts and each part is one-fourth or a quarter of the whole. It is expressed as 1/4 and read as one over four or one upon four.

Step-by-step explanation:

7 0

3 years ago

B is a number larger than 1

Ulleksa [173]

B is greater than 1, so B>1

3 0

3 years ago

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