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4 years ago

HELP PICTURE IS SHOWN

Mathematics

1 answer:

docker41 [41]4 years ago

6 0

I think the answer is c

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A stratified sample in which the number of sampling units drawn from each stratum is in proportion to the population size of the

jekas [21]

Noooooooooooooooooooooooo

6 0

3 years ago

P(Q) = 12/17<br> P(R) = 3/8<br> If Q and Rare independent events, find the PQ and R).

kodGreya [7K]

Answer:

9/34

Step-by-step explanation:

P(QnR) = P(Q) * P(R)

= 12/17 * 3/8

= 9/34

6 0

2 years ago

Which of the following describes the translation of the graph of y = x2 to obtain the graph of y = -x2 - 3?

Ray Of Light [21]

Answer:

reflections across the x axis and a shift down 3 units

Step-by-step explanation:

y = x^2

The negative sign means it is a reflection across the x axis y = −f(x)

y = -x^2

The subtraction of 3 means we are shifting down 3 units

y = -x^2 -3

5 0

3 years ago

4. The cosine function can be made to have the same values as the sine function for each angle by including a shifted _______ in

r-ruslan [8.4K]

Answer: Option D

phase

Step-by-step explanation:

By definition, the cosine function has the following form

$y = cos (x - \phi)$

Where $\phi$ is known as the phase angle

By definition the sinx function is equal to the cosx function with a phase shift of $\frac{\pi}{2}$

So if we have the function

$y = cos (x - \phi)$ and we want to transform it into the function $y=sin(x)$ then $\phi = \frac{\pi}{2}$

Finally

$y = cos(x - \frac{\pi}{2})=sin(x)$

the answer is the option D

6 0

3 years ago

In a baseball league consisting of 12 teams, each team plays each of the other teams twice. How many games will be played? There

saul85 [17]

Answer:

132 games played.

Step-by-step explanation:

Let x be the

We have been given that in a baseball league consisting of 12 teams, each team plays each of the other teams twice.

Since there are 12 teams, so each team will play with $(12-1)$ teams except itself.

The total number of games played would be 12 times $(12-1)$ :

$\text{The total number of games played}=12(12-1)$

$\text{The total number of games played}=12(11)$

$\text{The total number of games played}=132$

Therefore, there will be 132 games played.

4 0

3 years ago