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Nina [5.8K]
3 years ago
14

Plzz write with formula and explanation plzzzzzzzz

Mathematics
1 answer:
weqwewe [10]3 years ago
6 0

Given:

-\dfrac{33}{16} should be divided by a number to get -\dfrac{11}{4}.

To find:

The unknown number.

Solution:

Let -\dfrac{33}{16} should be divided by x to get -\dfrac{11}{4}.

\dfrac{-\dfrac{33}{16}}{x}=-\dfrac{11}{4}

-\dfrac{33}{16}=-\dfrac{11}{4}x

Multiply both sides by 16.

-33=-44x

Divide both sides by -44.

\dfrac{-33}{-44}=x

\dfrac{3}{4}=x

Therefore, the unknown number is \dfrac{3}{4}.

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Step-by-step explanation:

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A fan of country music plans to make a custom cd with 1313 of her 2525 favorite songs. how many different combinations of 1313 s
ss7ja [257]
This is asking how many ways can we choose 13 songs from a set of 25.
The formula is:
n! / r! * (n -r)!    =

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and that equals
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Here's a combination calculator to check your work:
http://www.1728.org/combinat.htm






4 0
3 years ago
The null hypothesis in the Durbin-Watson test is always that there is a. negative autocorrelation. b. no autocorrelation. c. eit
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H0:ρ=0

HA:ρ≠0

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The Durbin-Watson test is used in regression analysis to test for autocorrelation. The results from the test would always range from 0 to 4. A value of less than 2.0 indicates positive autocorrelation. A value of 2.0 indicates no autocorrelation, and a value of 2.0 to 4.0 indicates negative autocorrelation.

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Arturiano [62]

Answer:

1 the line hits the y line at 1

8 0
3 years ago
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