AnnabelleRose AnnabelleRose

24-06-2017
Mathematics

contestada

The length of a rectangle is four times its width.
If the area of the rectangle is 144 yd^2, find its perimeter.

Respuesta :

ghanami ghanami

24-06-2017

hello;
x is the length , y the width :
x = 4y...(1)
xy = 144....(2)
subsct in (2) : 4y(y) = 144
y² = 36
y = 6 yd so : x = 24 yd
the perimeter is : 2(6+24) =60 yd

Answer Link

Otras preguntas

kathi starts with a number. she adds 3 to her number, then doubles the result. finally, she subtracts 7. if she ended with 9 what number did ahe start with

Use the Factor Theorem to determine whether h(x)=x-1 is a factor of f(x)=14x^(99)-65x^(56)+51 A. Yes B.No I Think it's B i'm not sure

Which question is most closely related to the field of biology A- what are most rocks made of? B- What is the mass of the moon? C- how fast does the earth rot

the table shows the number of gallons of gasoline the beckleys purchased on their road trip. what was the total cost for gas for the trip?

Which verb best completes the sentence? En mi opinión, lo mejor es _________ tu información personal. guardar dar compartir revelar

Who determines when or if a bill reaches the floor to be voted on?

The Virginia Plan included representation based on which of the following factors? Select one: a. equal representation b. population c. state size d. state wea

The cost, C, in millions of dollars of producing T million tons of steel is modeled by the equation C = 220T + 1890. Solve the equation for T. The steel produce

Write a subtraction sentence where the difference is positive. Use a positive and a negative integer.

Simplify 4(3x - (3 - 4y + 6x) + 2y) -51x + 87y - 65 -12x + 24y - 12 -74x + 58y - 90 -43x + 56y - 43 None of the above