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snow_lady [41]
2 years ago
10

What is the area of a rectangle with the length of 3/4 in and a width of 6 in

Mathematics
1 answer:
Helen [10]2 years ago
5 0

Answer:

5/6

Step-by-step explanation:

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Sale price of a $23.91 item that is 1/3 off?
IceJOKER [234]

Answer: $15.94

Step-by-step explanation:

You divide 23.91 by three, then subtract  using the previous answer which was 7.97. 7.97 was 1/3 of 23.91. When subtracted you get, 15.94.

8 0
3 years ago
a famer has 120 feet of fencing with whcih to enclose two adjacent rectangular pens as shown. what dimeensions should be used th
Nat2105 [25]

The dimensions of the rectangular pen should be 15 by 20 feet and the maximum area is 1200 square feet.

Let the area be y .

Area = (base) × (height)

Base = 2x

Height = h

Let the area of the rectangular pens be y .

∴ y = 2xh

Perimeter of all the fencing = 4x+3h

∴ 4x+3h = 120

now we solve for h

3h = 120-4x

h = 40 - 4/3 x

Now we will substitute this value in the above first equation:

y = 2xh

or, y = 2x (40 - 4/3 x)

or, y = 80x - 8/3 x²

Now for the maximum area we have to find the first order differentiation of y

now,

dy /dx = 80 - 16/3 x

At dy/dx = 0 we get the value of x for which y is maximum.

80 - 16/3 x = 0

or, - 16/3 x = -80

or, x = 15 feet

Hence height =  40 - 4/3 x = 40 - 20 = 20feet

Maximum area = 2xh = 2×15×40 = 1200 square feet

The dimensions of the rectangular pen should be 15 by 20 feet and the maximum area is 1200 square feet.

Disclaimer : The missing figure for the question is attached below.

To learn more about area visit:

brainly.com/question/27531272

#SPJ4

6 0
1 year ago
Three times the sum of three consecutive integers is 72. What are the integers?
eimsori [14]
The answer is: 23+ 24+ 25 = 72
6 0
3 years ago
Read 2 more answers
What is 4/5 of 20.5?
ira [324]
16.4
20.5/5=4.1
4.1*4=16.4 
............
7 0
3 years ago
Ellus
butalik [34]

9514 1404 393

Answer:

  2.25

Step-by-step explanation:

Add the square of half the x-coefficient to complete the square.

  (-3/2)² = 9/4 = 2.25

4 0
3 years ago
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