Lexilex2005 Lexilex2005

17-01-2020
Mathematics

contestada

The perimeter of a rectangle is 63cm. The length is 4cm more than its width. Find the dimensions of the rectangle

Respuesta :

andreamilosevic01 andreamilosevic01

17-01-2020

O=63cm

a=b+4

O=2a+2b

O=2(b+4)+2b

O=2b+8+2b

63=4b+8

4b=63-8

4b=55

b=55/4=13.75

a=13.75+4=17.75

Answer Link

Otras preguntas

What's the difference between the popular beverages in los Estado unidos and the Spanish speaking works

Which verb best completes this sentence? The governor __________ the first pitch; now it's time to play ball! A. will have thrown B. will throw C. has throw

What is the first step needed to solve ? (1 point) Subtract 16 from both sides Add 6 to both sides Divide both sides by 5 Multiply both sides by 2

PLEASE HELP FAST!!! AND EXPLAIN YOUR WORK at the halftime show a marching band marched in formation. The lead drummer started at point with coordinates of (-2

green string was 2.37 cm long the blue string was 4 cm long how many centimeters longer the blue string than the green string

Giselle pays $240 in advance on her account at the athletic club. Each time she uses the club, $5 is deducted from the account. Model the situation with a linea

Which sounds better, "His vision grew weaker" or "His vision got weaker"?

what is Magna Cartaplease help

Any point outside a contour line is a _____ elevation than the contour line.

the company delivered 1 3/5 tons of bricks to one building site. they delivered 2 1/2 times this much to a second site. what was the weight of the load the comp