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Zolol [24]
3 years ago
6

Kaylee is building a rectangular enclosure with an area of 90 square yards. She

Mathematics
2 answers:
alexgriva [62]3 years ago
6 0

x^2 + 6x = 90

x^2 + 6x + 9 = 90 + 9

(x + 3)(x + 3) = 99

(x + 3)^2 = 99

Answer: B

pshichka [43]3 years ago
4 0
The answer is B have a great rest of your night or day :)
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How do you convert 4/25 into a percent
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You see how many times 4 can go into 25 witch is 6 not 7 because 7 x 4 is28 and 28is bigger than25 so the answer is and 1/4 is25 cence so the answer is 4.25
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Gina has 1200 yards of fencing to enclose a rectangular area. Find the dimensions of the rectangle that maximize the enclosed ar
Alekssandra [29.7K]
We know the perimeter formula would be 1200=2x+2y. And the area will be A=x*y
We can to take the derivative of the area formula to find where it is a max but we must first substitute something in from the first formula so we only have one variable.

1200-2x=2y
600-x=y

A=(x)*(600-x)
A=600x-x^2

Now we take the derivative:
A'=600-2x (set equal to 0 and solve)
0=600-2x
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x=300 

Then when we plug this into the perimeter formula, we can solve for y
1200=2x+2y
1200=2(300)+2y
1200=600+2y
600=2y
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Hope this helps
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What is a factor of each term of the polynomial?. (3d2 – 10d).
finlep [7]

Answer:

d(3d-10) is the factor term of given polynomial.

Step-by-step explanation:

We have been given an expression:

3d^2-10d

We will take the common term out of the given expression  which is d

Hence, we get:

d(3d-10)

We have been asked the factor term of the polynomial:

Therefore, the factor term of the polynomial is:d(3d-10)



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Jlenok [28]

Answer:

<h2>The cost of the laptop is $769.10</h2>

Step-by-step explanation:

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we are given that the tax rate is 9.25% of the initial cost

and the initial cost is $703.98

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(9.25/100)* 703.98= 0.0925*703.98= $65.12

Hence the charges for tax is $65.12

The total cost of the laptop when tax is included is

the initial cost Plus the tax charges= $703.98+$65.12= $769.098

$769.10

4 0
3 years ago
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