Mathematics, 28.12.2019 15:31 maddy7779

The perimeter of a rectangle is 44 centimeters. if the length is 10 centimeters, find the value.

Answers: 3

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Answer from: aclm2001

12 cm is the width

Step-by-step explanation:

The perimeter of a rectangle is given by

P = 2(l+w)

We know the perimeter is 44 and the length is 10

44 = 2 (10+w)

Divide each side by 2

44/2 = 2/2 (10+w)

22 = 10+w

Subtract 10 from each side

22-10 = 10-10 +w

12 = w

The width is 12

Answer from: michaellangley

12 centimeters is the width value.

Step-by-step explanation:

Note that too solve the perimeter of the rectangle, you must use the following equation:

P (Perimeter) = 2(length) + 2(width)

P = 2(l) + 2(w)

Note that length (l) is given to you, and it's measurement is 10. Plug in 10 for length. Also note that perimeter (P) is given to us, and is 44.

44 = 2(10) + 2(w)

Simplify. First multiply.

44 = 2(10) + 2w

44 = 20 + 2w

Isolate the variable, w. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS*.

First, subtract 20 from both sides.

44 (-20) = 20 (-20) + 2w

44 - 20 = 2w

24 = 2w

Isolate the variable, w. Divide 2 from both sides.

(24)/2 = (2w)/2

w = 24/2

w = 12

12 centimeters is the width value.

*Note:

PEMDAS =

Parenthesis

Exponents (& roots)

Multiplication

Division

Addition

Subtraction

& is the order that you solve.

Answer from: Quest

it has 4

step-by-step explanation:

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fetish

ser

lent

clee hd

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cele

her

errel

Answer from: Quest

answer: b. f(x) = (x + 2)^3 (x^2 - 7x + 3)^4

step-by-step explanation:

polynomials always have as many roots as their order. this is a 4th order polynomial- hence 4 roots!

complex roots of polynomials always come in pairs. the quadratic equation has the "+/-" in that will alwaysgenerate m+ni amd m-ni, so 7-2i must be a root of this polynomial equation.

the order of the numerator and denominator are both 2. so the horizontal asymptote is y=a2/b2 =7

verticle asymptotes are the forbidden x-values. f(x) becomes undefined at x=-3 because this value will cause a zero denominator.

a graph of r(x) will have vertical asymptotes at ±1 because these values will make the denominator zero. so the domain of the function cannot include ±1.

you 're wlecome! : )

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