Tank4racer Tank4racer

24-02-2017
Mathematics

contestada

The length of a rectangle is twice its width if the perimeter of the rectangle is 30cm find its area

Respuesta :

Аноним Аноним

24-02-2017

2L+2W=30

L=2W

2(2W)+2W=30

4W+2W=30

6W=30

W=30/6

W=5 width

L=2*5=10 length

PROOF:

2*5+2*10=30

30=30

5*10=50 area

So your answer is 50

Hope this helped. Have a great night!

Answer Link

Otras preguntas

how do you say "how are you" in hindi

can somebody please fill in the blank for these spanish questions asap

HURRY 10 MINUTES LEFT!!!! The effect of the Declaration of Independence was to O A call for King George III to step down O O B. ask for a voice in Great Britain

A cookie recipe for 60 cookies calls for 4 cups of flours how much flour or s needed to make 90 cookies

Basketball tickets were $5 for the floor seats and $2 for the grandstand seats If 210 people attended and paid $660, how many people bought floor seats?

Determine from the balanced chemical reaction if the derived mole ratio is correct or incorrect. 2 FeBr3 + 3Na2S → Fe2S3 + 6NaBr 1 moles NaBr 1 moles Nas

Please helkp me my math is going to make me cry. I can't math. graph the quadratic function f(x)=2x^3-18x

Most adult cancers are: carcinomas. melanomas. leukemias. sarcomas.

An exponential function and a linear function are graphed below. Over which interval does the growth rate of the exponential function continue to exceed the gro

How old was queen elizabeth when she took the throne?.