the length of a rectangle is 50 feet less than its width. If the perimeter of the field is 840 feet, find the length of the fiel

Mathematics

1 answer:

LiRa [457]3 years ago

8 0

$look\ at\ the\ picture\\\\2a+2(a-50)=840\\\\2a+2a-100=840\\\\4a-100=840\ \ \ /+100\\\\4a=940\ \ \ \ /:4\\\\a=235\ (ft)\\\\a-50=235-50=185\ (ft)\\\\Answer:lenght=185\ ft;\ width=235\ ft.$

You might be interested in

When a number decreased by 10% the result in 63. What is the number?

Ugo [173]

The number is 69.3 because percent means 0.01, so 10 x 0.01 = 1.1
so 1.1 x 63 = 69.3. you can also do 63 x 10% = 69.3.

4 0

3 years ago

Help pls lol its timed

zaharov [31]

The total area of the shape is 32

6 0

3 years ago

Read 2 more answers

Find the slope of this line

asambeis [7]

Answer:

5/2

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

How to do this question plz

Artyom0805 [142]

Answer:

90(8) + 2(38) = 270 + 76 = 346p

Step-by-step explanation:

5 0

3 years ago

(1) How many hours are in 34.5 year?

Alex787 [66]

1 year have <span>8760 hours。
So, 34.5 years have 8760x34.5=</span>302220 hours.
That's your answer.

5 0

3 years ago

Read 2 more answers