brockdevore1812 brockdevore1812

01-03-2018
Mathematics

contestada

A rectangle is 3 times as long as it is wide. if the distance around the rectangle is 16.8 kilometers, what is the area of the rectangle

Respuesta :

bestrongtroopsp3i7sm bestrongtroopsp3i7sm

01-03-2018

d=16.8
d=2 (3w)+2w
16.8=6w+2w
16.8=8w
w=2.1
l=3w
l=3*2.1
l=6.3
a=lw
a=6.3*2.1
a=13.23

Answer Link

Otras preguntas

Struggles between popes and emperors (Pope Gregory and Henry IV)

During the State of the Union address, the president is required to report to

Mr. Gardener has $300,000 in his savings account and receives 8 13 % interest annually. What interest (in dollars) does he receive annually?

How much water is recommended before exercise? A. 24 ounces 2 hours before B. 20 ounces 2 hours before C. 16 ounces one hour before D. 8 ounces o

Mike shoots a large marble (Marble A, mass: 0.05 kg) at a smaller marble (Marble B, mass: 0.03 kg) that is sitting still. Marble A was initially moving at a vel

what equation represents a line that is parallel to y=3X +5

The equation of the line through point (-5, 0) and parallel to the y-axis is x = -5 y = -5 x + y = -5

12b 40b^2 greatest common factor

Write a molecular equation for iron (iii) nitrate reaction with sodium sulfide

I sell to my contractors with a 42% markup on cost. If my selling price for cabinets is $9,655, what is the cost to the contractors based on cost?