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

An Case Study On Consumer Rights

what causes rotation and revolution ?thankyou!

Which organisms have the type of survivorship curves that reflect the fact that most young survive, and survivorship is high until individuals reach old age? sm

7. What are three ways Smith uses the Haitian Revolution to demonstrate the character of black people?

A 20-year-old white man was brought to the emergency department of a local hospital for evaluation of severe abdominal cramping and diarrhea. The patient had lo

30 POINTS Prometheus views fire as a great gift, while Zeus focuses on the "penalty" that such a gift brings. In your opinion, which god makes the most sense in

a basketball player shoots the basketball from a height of 1.94m above the court floor. the basketball's initial velocity is 8.2 m/s 65 degrees above the horizo

PLEASE ANSWER ASAP! 13 POINTS! On average, there is enough wind in the UK each year to supply all of the UK's electricity needs. Explain why the UK may still ne

2,048 rounded to the nearest tenth?

what is an analogy?