michhvibez michhvibez

02-06-2017
Mathematics

contestada

the perimeter of a rectangular concrete patio is 100 meters. it is 30 meters long. how wide is it?

Respuesta :

02-06-2017

perimeter is 2l+2w
100 =2(30) + 2w
100 =60 + 2w
-60 -60
40 = 2w

w=20 meters.

Answer Link

Otras preguntas

A voltaic cell with Mn/Mn2+ and Cd/Cd2+ half-cells has the following initial concentrations: [Mn2+]= 0.090 M; [Cd2+] = 0.060 M. (a) What is the initial E cell ?

What is a good study tip ?

(2,5) is the midpoint of (4,10) and (x, y)?

A movie theater offers 6 showings of a movie each day. A total of 1000 people come to see the movie on a particular day. The theater is interested in the number

1. The electric potential outside a living cell is higher than inside the cell by 0.073 V. How much work is done by the electric force when a sodium ion moves f

Calculate the emf for the following reaction. Will the reaction occur spontaneously at 25°C, given that [Fe2+] = 0.600 M and [Cd2+] = 0.00550 M? Cd(s) + Fe2+(aq

50 POINTS !!!! If 5 + 20 times 2 Superscript 2 minus 3 x Baseline = 10 times 2 Superscript negative 2 x Baseline + 5, what is the value of x? –3 –2 2 3

Define isomer and isomerism.

4. What are tandem repeats?

Blacks fought back against the economic oppression they faced during the Great Depression. They coordinated sophisticated efforts to leverage their collective e