Inconsistency Inconsistency

21-06-2016
Mathematics

contestada

A rectangle has an area of 14 square centimeters. It's length is five cm greater than its width. Find the dimensions.

Respuesta :

williambusby williambusby

21-06-2016

//Use algebra to find work out the size

14 = w * l
l = 5 + w
14 = w * (5 + w)
14 = 5w + w^2
0 = w^2 + 5w - 14
0 = (w - 2) (w + 7)
=> w = 2cm (as it cannot be negative)

l = w + 5
l = 7cm

Answer Link

Otras preguntas

11. To use another's ideas in your own words is to _______ those ideas. A. paraphrase B. refute C. manifest D. establish

Why is history open to ongoing and changing interpretations?

The number 1,563,385 rounded off to the nearest million becomes

When you use toothpaste, part of a protist is helping to smooth and clean your teeth. Which part of the protist and type of protist are most likely responsible

What is true about single-parent families? A)They face less stigma than nuclear families B)They typically experience a higher income than nuclear families C)The

the industrial revolution increased the power and wealth of a. factory owners b. peasant farmers c. industrial workers d. Aristocrats

the term ''Holocaust'' refers to the a. Fire-bombing of cities during World War ll b. persecution of political opponents by the Nazis c. execution of prisoners

Which word in the sentence should be followed by a semicolon? Carlos and Diego are adventurous hikers they plan to hike the Appalachian Trail next summer. a. hi

what is 6 to the 2nd power divided by 2(3)+4

What was the goal of Roosevelt’s Second New Deal? A.) to promote business growth B.) to restrict citizens' rights C.) to promote to general welfare D.) to promo