3 years ago

Rewrite the formula to find w.

Mathematics

1 answer:

sveta [45]3 years ago

4 0

Answer:

P / 30 - 21= 9

2w = 9

w = 4.5

This should be the answer

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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= $CHIDIST(0.032976,1) = 0.86.$

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2 years ago

Simplify the following expression.

34kurt

Answer:

A. 33x + 92y

Step-by-step explanation:

Set up the problem like this and combine like terms:

40x + 58y

- 7x + 34y

--------------------

33x + 92y

Or, set up the problem like this and combine like terms:

(40x + 58y) + (-7x + 34y)

40x + 58y - 7x + 34y

40x - 7x + 58y + 34y

33x + 92y

You should get the same answer with either method.

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Step-by-step explanation:

1 Meter is 100 Centimeters

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