Inconsistency Inconsistency

21-06-2016
Mathematics

Answered

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

Verified Answer :

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

Related Questions

What is one benefit to lifelong physical activity

Of the four common methods used to estimate percent body fat usingis more convenient and relatively accurate a bioelectrical impedance analysis b underwater wei

por que a Ásia é considerada um continente de contrastres

Arrange in increasing order 808 8081 809 8008

I need help please someone explain me how to do it

What were the two main items traded in Ghana Agold and salt Bsilk and salt Ciron and silk Dgold and silk

Which characteristic best distinguishes quantitative data from qualitative dataits validity its repeatability its ability to be graphed its ability to be record

Name five products that minerals are used to make

Who traveled from Venice to China 1 Giovanni da Verrazano 2 Marco Polo 3 Kublai Khan

Emily enjoys experimenting with color changing lizards She places a green lizard on a brown background and a brown lizard on a green background Emily knows the