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Angelina_Jolie [31]
3 years ago
13

Write three equivalent ratios for 10/12

Mathematics
2 answers:
MArishka [77]3 years ago
8 0
5/6

20/24

30/36.


I interpreted the question this way:)
garri49 [273]3 years ago
3 0
10 to 12

10/12

and 

10:12


i hope this helps =)
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Ssimpily the expression
Butoxors [25]

( {6}^{ \frac{1}{4} } ) {}^{4}

{6}^{ \frac{1}{4} \times 4 }

{6}^{1}

6

__________________________________________

D. 6

is the correct answer.

4 0
3 years ago
Explain how to perform a​ two-sample z-test for the difference between two population proportions.
Sati [7]
Point estimate for the difference between two population proportions is the difference between the two sample proportions, written as:

\hat{p}_1-\hat{p}_2

and the standard deviation is given by

\sqrt{\frac{\hat{p}_1(1-\hat{p}_1)}{n_1}+\frac{\hat{p}_2(1-\hat{p}_2)}{n_2}}

When np and n(1-p) is greater than 5, then the sampling distribution is approximately normal and we can use standard normal methods.

Thus, the propability of a test <span>for the difference between two population proportions is given by

P(X\ \textless \ x)=P\left(z\ \textless \  \frac{\hat{p}_1-\hat{p}_2}{\sqrt{\frac{\hat{p}_1(1-\hat{p}_1)}{n_1}+\frac{\hat{p}_2(1-\hat{p}_2)}{n_2}}} \right)</span>
3 0
3 years ago
State the domain and range for the following relation. Then determine whether the relation represents a function
Marysya12 [62]

Answer:

Domain: {XS, Red, Yellow, 45, A}

Range: {Size, Color, Number, Letter}

Step-by-step explanation:

The domain of the function shown in the mapping above are all variables that fall under "A word", while the range consists of all variables under "category".

The mapping shows that the relation represents a function, because each domain variable has exactly one range variable. No single domain variable is mapped to two different range variable.

The correct answer is:

Domain: {XS, Red, Yellow, 45, A}

Range: {Size, Color, Number, Letter}

8 0
4 years ago
Equations with variables on both sides<br> 9e+4=14+8e
frozen [14]
9e + 4 = 14 + 8e
9e = 10 + 8e (Subtract 4 from both sides)
e = 10 (Subtract 8e from both sides)
6 0
3 years ago
Read 2 more answers
A market survey shows that half the owners of Sorey State Boogie Boards became disenchanted with the product and switched to C&a
OlgaM077 [116]

Answer:

\left[\begin{array}{ccc}\dfrac{1}{2} &\dfrac{1}{2}\\\\\dfrac{1}{4}&\dfrac{3}{4}\end{array}\right]

Step-by-step explanation:

Let 1 = Sorey State, and 2 = C&T

Half the owners of Sorey State Boogie Boards became disenchanted with the product and switched to C&T Super Professional Boards the next surf season.

  • This means half moved from State 1 to State 2.

Three quarters of the C&T Boogie Board users remained loyal to C&T, while the rest switched to Sorey State.

  • The rest (1-\frac{3}{4}= \frac{1}{4}) moved from State 2 to State 1.

The Markov Transition Matrix is presented below:

\left\begin{array}{ccc}\\\\\\$Sorey State&1\\\\C\&T&2\end{array}\right\left[\begin{array}{ccc}$Sorey State&C\&T\\1&2\\------&------\\\dfrac{1}{2} &\dfrac{1}{2}\\\\\dfrac{1}{4}&\dfrac{3}{4}\end{array}\right]

The above is presented for clarity sake. The transition matrix is:

\left[\begin{array}{ccc}\dfrac{1}{2} &\dfrac{1}{2}\\\\\dfrac{1}{4}&\dfrac{3}{4}\end{array}\right]

5 0
3 years ago
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