lacrawford02
lacrawford02 lacrawford02
  • 25-08-2016
  • Mathematics
contestada

Write a formula for the length l of a rectangle given its perimeter P and its width w. Justify your thinking.

Respuesta :

dalendrk
dalendrk dalendrk
  • 25-08-2016
P = 2l + 2w    |subtract 2w from both sides

2l = P - 2w    |divide both sides by 2

l = (P - 2w)/2

Answer Link

Otras preguntas

Three isotopes of oxygen are oxygen-16 oxygen-17 and oxygen-18. Write the symbol for each, including the atomic number and mass number
What does how much mean in math
Which phrase BEST describes a confederation? A.partners B.divided power C.a strong Federation D.a strong central government I SUCK AT SOCIAL STUD
North Sami and Faroese are languages native to what continent
divers in a competition are scored by an international panel of judges. The highest and the lowest scores are dropped. The total of the remaining scores is mult
Which conjunction best fixes the run-on sentence? Did Miguel say if he found the overdue library book, __________ didn't he look?  A.nor  B.yet  C.or  D.so
Devon is trying to find the unit price on a 6-pack of drinks on sale for $2.99.His sister says each drink would cost just over $2.00. Is she correct ,And how do
How many different operating systems can i install on my PC ?
are 3/8 and 3/4 equivalent fractions
what  three mechanisms may drive tectonic plate movement?