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NISA [10]
3 years ago
6

A square support unit in a television is made with a side measuring 4 centimeters.

Mathematics
1 answer:
laiz [17]3 years ago
4 0

4 x 4 = 16

4.2  x   4.2 = 17.64

The difference of the area is 1.64

Hope this helps!

~LENA~

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The manager of a large apartment complex knows from experience that 120 units will be occupied if the rent is 450 dollars per mo
Sphinxa [80]

Answer:

To maximize revenue, the manager should charge $525

Step-by-step explanation:

Given.

Rent = $450.

Unit = 120

Yes assume our function to be F(x).

To maximise F(x), the function will be based how much of the available units (x) is less than the initial 120 units with a corresponding increase in revenue dollars of 5x above the initial revenue.

Initial Revenue = 450 * 120 = $54,000

F(x) = (120 - x)(450 + 5x)

Converting this into standard quadratic form;

F(x) = 54000 + 600x - 450x - 5x²

F(x) = 54000 + 150x - 5x²

F(x) = -5x² + 150x + 54000

Using axis of symmetry formula

(x = -b/2a) for a parabola to determine the x coordinate of the function's vertex (maximum point):

F(x) = -5x² + 150x + 54,000

Where a = -5

b = 150

x = -b/2a

x = -150/2(-5)

x = -150/-10

x = 15 units less than 120

Next is to calculate the corresponding value of F(x) .

By Substitution

F(x) = -5(15)² + 150(15) + 54000

F(x) = -1125 + 2250 + 54000

F(x) = 55,125 --- Maximum Revenue

Calculating the optimum monthly rent based upon the maximum revenue dollars divided by by the previously determined number of units (15) less than the initial 120 units:

Monthly Rent = 55,125/(120 - 15)

Monthly Rent = 55,125/105

Monthly Rent = $525

To maximize revenue, the manager should charge $525

5 0
3 years ago
Please help on number 11 just like number 10
Alja [10]
Attachment Unavailable 
7 0
3 years ago
HELP ASAP will mark brainliest for the first to answer and get it correct
stiks02 [169]

Answer:

B. subtraction property of inequality

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Specialty tshirts are being sold for $30.........
kaheart [24]
Equal out the shirts so that u can know what U are doing
3 0
3 years ago
bianca is building a sandbox that will hold 4 cubic yards of sand. she wants it to be 18 inches deep and 2 yards wide. what will
tamaranim1 [39]
Length should be 2/5yd:

18inch*1yd/36inch=.5yd=> depth

volume= 2(length*width+lenght*depth+depth*width)

let l to be the length.

volume= 2(l*2+2(.5)+.5*2)

volume=5l+2

4=5l+2

2=5l

l=2/5


5 0
3 years ago
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