haroldchapman132 haroldchapman132

26-05-2021
Mathematics

contestada

the length of a rectangle is 39cm less than five times its width. find the dimensions if the perimeter is 414cm. 2L+2W = P

Respuesta :

mhanifa mhanifa

26-05-2021

Answer:

41 cm and 166 cm

Step-by-step explanation:

As per question we have:

2(l + w) = 414 ⇒ l + w = 207
l = 5w - 39

Solve it for l by substitution:

5w - 39 + w = 207
6w = 207 + 39
6w = 246
w = 246/6
w = 41

Find l:

l = 207 - 41 = 166

Answer Link

Otras preguntas

Why would you use synonyms in your writing

Anybody who is good at math?? Are the 3 points (2,3), (5,6), and (0,-2) on the same line?? Explain.

Find the value of each expression. Show your work. 10c4

Lucky is running a 5K race. A 5K race is 5 kilometers long. She stops for a few seconds at the halfway point. How many meters does Lucy have left to run?

What did the Supreme Court say in its ruling in Regents of the University of California v. Bakke (1978)?

The interior of a cell is called the

What benefit did seward see in acquiring alaska?

What english colony became the first to grow and remain in north america?

Select the correct meaning associated with the term idiom. another word for languages meaning cannot be understood in the ordinary sense the only one of its kin

Which types of bond is formed between the two chlorine atoms in a chlorine molecule?