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Gennadij [26K]
3 years ago
11

What is u^+6u-27 factoring

Mathematics
1 answer:
MissTica3 years ago
7 0
U² + 6u - 27
u² + 9u - 3u - 27
(u - 3)(u + 9)
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Pat wants to create s rectangular playpen for her dogs in her backyard. And estimates the dogs will need 600 square feet. She al
Ira Lisetskai [31]
I found width=13.72 ft and length=43.72 ft.
Call one dimension of the rectangle x, the other will be x+30
You want an area A=600 ft^2 but A=length x width=x*(x+30)=600
Rearranging you get:
x^{2} +30x-600=0
solving this quadratic equation you get a negative solution and a positive one that gives your result.

8 0
3 years ago
Which has the best unit rate grande 16oz $4.25 or venti 20oz $4.55
sergejj [24]
4.25/16=0.265625
4.55/20=0.2275

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3 0
3 years ago
Read 2 more answers
33+34+35+36+...+104 what is the sum of the sequence?
Ray Of Light [21]
This is an arithmetic series, so we know, that:

Sum = (First term + Last term) * Number of terms /2

Here we have:

First term = 33
Last term = 104
Number of terms = 104 - 33 + 1 = 72

and

S=(33+104)\cdot\dfrac{72}{2}=137\cdot36=\boxed{4932}
6 0
3 years ago
Solve for x. 83 = 35^x Express the answer to the hundredths place (i.e., two digits after the decimal point). x =
devlian [24]

Answer:

x = 1.24

Step-by-step explanation:

In order to get that x down from its current position of exponential, you need to take either the log or the natural log of both sides.  The power rule tells us that we can then pull the exponent down in front.  So let's take the natural log of both sides:

ln(83)=ln(35)^x

We can bring the x down in front to give us:

ln(83) = x ln(35)

The right side of this is "stuck" together by multiplication, so we can undo that multilication by division of the ln(35).  That leaves us with just x on the right:

\frac{ln(83)}{ln(35)}=x

Do this on your calculator and find that x = 1.24

7 0
3 years ago
the formula P=2I + 2w means that the perimeter of a rectangle is equal to twice the sum of its length and its width
natali 33 [55]
What's the question?
7 0
3 years ago
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