be6varriemaecaster be6varriemaecaster

09-05-2017
Mathematics

contestada

A small painting has an area of 400 cm^2. The length is 4 more than twice the width. Find the dimensions of the pool. Solve by completing the square. Round answers to the nearest tenth.

Respuesta :

trampoline trampoline

09-05-2017

A = l*w
l = 2w + 4
400 = (2w + 4)*w
0 = 2w^2 + 4w - 400

Then use the quadratic equation where a=2, b=4, and c=-400.

w = 13.2
l = 30.4

Answer Link

Otras preguntas

Choose the correct answer 4 out of 5 is _________ 85%. Single choice.Greater thanLess thanEqual to

Z. solid Y molten X. solid and liquid W. solid, rocky What is the name of the layer of the Earth that is labeled with the letter X? OA mantle ОВ. outer core OC.

someone please help will mark brainliest

What is the answer for the wuesy

properties of lithium are anomalous. justify this statement

pls answer and i'll mark u brainlist an outlet can empty a tank in 8 hours. what part of the tank can be emptied in a. 1 hour 2. 6 hour (this is not a choose

3(4+12x)-6(2x+3)=36+2(3x+2)

plz help due today first to anser will get brainly dont steel my points plz and thx

Change the fraction to a decimal: 7/3 = _____ If the decimal repeats, show the repeating pattern twice. (For example for 1/9, type 0.11)

Which pair of words BEST fills the blanks in this sentence? Sudden popularity of a product is likely to cause the demand curve for that product to shift ______