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ycow [4]
3 years ago
9

Determine the perimeter of ABCD.

Mathematics
1 answer:
Galina-37 [17]3 years ago
7 0
You add of the sides to get the perimeter.. 9 plus 9 is 18 and 5 plus 5 is 10. 10 plus 18 of 28. The perimeter of ABCD is 28.
I hope this helps.
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Patients in a hospital are classified as surgical or medical. A record is kept of the number of times patients require nursing s
GREYUIT [131]

Answer:

Following are the solution to the given question:

Step-by-step explanation:

Given:

N= 177\\\\a=46\\\\b=52\\\\c=36\\\\d=43

\to \chi _{1}^{2}=\frac{N(ad-bc)^{2}}{(a+c)(b+d)(a+b)(c+d)}

         =\frac{177((46\times 43)-(52 \times 36))^{2}}{(98)(79)(82)(95)}\\\\=\frac{177((1978)-(1872))^{2}}{60310180}\\\\=\frac{177(106)^{2}}{60310180}\\\\=\frac{177(11236)}{60310180}\\\\=\frac{1988772}{60310180}\\\\= 0.032976

P-value= CHIDIST(0.032976,1) = 0.86.

thus, the surgical-medical patients and Medicare are dependent.

5 0
3 years ago
Rewrite lnx=4 as an exponential equation <br> rewrite as a logarithmic equation: e^8=y
andreyandreev [35.5K]

\bf \textit{exponential form of a logarithm} \\\\ \log_a b=y \implies a^y= b\qquad\qquad a^y= b\implies \log_a b=y \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ln(x)=4\implies log_e(x)=4\implies e^4=x \\\\\\ e^8=y\implies log_e(y)=8\implies ln(y)=8

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Find an equation of the line that satisifes the given conditions. <br>Please help (30 points).
Ronch [10]
First, set up the equation using the point-slope formula  (y-y1)=m(x-x1). 
y1=-4   x1=-3   m=-7/2 
(y+4)=-7/2(x+3) 

Second, distribute -7/2. 
(y+4)=(-7/2)x - 21/2

Third, subtract 4 from both sides. 
(y+4)=(-7/2)x - 21/2
  -4                -4 
______________
y=(-7/2)x - 29/2 

5 0
3 years ago
Given the following information, calculate the perimeter of triangle RST. Assume triangle RZX is similar to triangle RST.
ikadub [295]

Check the picture below.

6 0
1 year ago
I NEED HELP ON 1-5 PLEASE HELP I REALLY WOULD APPRECIATE IT!!
Angelina_Jolie [31]

Answer:

-4

Step-by-step explanation:

If there is 1-5 then we should do – from last I mean we should do -5-1 you will not understand like this I will show you by sep wise step

= -5

-1

————

ans -4

If you will not understand Look here when there will be -5-4 then what should we do? There is -5-4 So we should do –

If there is -4+2 then you don't know how to do it. So note this: + × + = +

+ × - = -

- × + = -

I know this much only. If you have more doubt then ask for your Maths teacher.

  • <em>Thankyou</em>❤❤❤
8 0
2 years ago
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