3 years ago

The length of a rectangle field is 20 less than its width. The area of the field is 12000 ft ^2. What is the width of the field?

1 answer:

3 0

L = w - 20

12000 = w × ( w - 20 )
12000 = w^2 - 20w
w^2 - 20w - 12000 = 0
( w - 10 ) ( w - 10 ) = 0

width = 10

i am a mathematics teacher. if anything to ask please pm me

You might be interested in

At a shelter, 15% of the dogs are puppies. There are 60 dogs at the shelter. How many are puppies?

Jet001 [13]

60*.15=9
there are puppies

5 0

3 years ago

Read 2 more answers

At a local restaurant the health inspector visits every 7 days and the fire inspector every 12 days

Masja [62]

Two visits are from the fire inspector and four visits are from the health inspector in 30 days both inspectors will visit on the same day

6 0

3 years ago

Please help please help

bazaltina [42]

Answer:

răspuns corect 2

Step-by-step explanation:

dami coroana te rog

4 0

2 years ago

Which expression shows twice the sum of 8 and a number n?

IRISSAK [1]

Correct Answer: A. 2(n+8).

6 0

3 years ago

Find the diameter and radius of a circle with a circumference of 16 pi in

ELEN [110]

16 pi? well... 16 pi = 50.2654824574. So... the diameter would be 16 and the radius would be 8. I think!

4 0

2 years ago

Read 2 more answers