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3 years ago

Question 1

Mathematics

1 answer:

fredd [130]3 years ago

8 0

Hello!

The graphs of sine and cosine are waves. Therefore, choice A and B are wrong.

The graph of f(x) = cot(x) is an inverse of f(x) = tan(x), so therefore the graph of f(x) = cot(x) has the lines similar to the graph above, but it's flipped.

So therefore, the graph shown above is choice C, f(x) = tan x.

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3 years ago

Dani needs 8 equal sections from a board that is 13 feet long. Does the expression represent the largest possible length of 1 se

amid [387]

Answer:

13 / 8

Step-by-step explanation:

Given that :

Length of board = 13 feets

Number of equal board section needed = 8

The largest possible length of 1 section of the board :

Since each section are the same :

Length of board / number of board sections

= 13 / 8

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4 years ago

Which statement about the dilation of these triangles is true?

Gwar [14]

Given:

The figure of two triangles.

To find:

The scale factor.

Solution:

We know that,

$\text{Scale factor}=\dfrac{\text{Side of Image}}{\text{Corresponding side of original figure}}$

In the given figure,

$\text{Scale factor}=\dfrac{5(2)}{5}$

$\text{Scale factor}=2$

The scale factor is 2. Therefore, the correct option is B.

7 0

3 years ago

If A and B are independent events and P(A)=0.25 and P(B)=0.333, what is the probability P(ANB)?

Pachacha [2.7K]

The probability P(ANB), that is, P(A ∩ B), given that A and B are independent events and P(A) = 0.25 and P(B) = 0.333 is 0.08325. Hence, option C is the right choice.

For any two events A and B, the probability of event A and B, that is, P(A ∩ B) is given as:-

When the events are dependent, P(A ∩ B) = P(A).P(B|A).
When the events are independent, P(A ∩ B) = P(A).P(B).

In the question, we asked the probability P(ANB), that is, P(A ∩ B), given that A and B are independent events and P(A) = 0.25 and P(B) = 0.333.

We know that when the events are independent, P(A ∩ B) = P(A).P(B).

Thus, P(A ∩ B) = (0.25)*(0.333),

or, P(A ∩ B) = 0.08325.

Thus, the probability P(ANB), that is, P(A ∩ B), given that A and B are independent events and P(A) = 0.25 and P(B) = 0.333 is 0.08325. Hence, option C is the right choice.

Learn more about the probability of independent events at

brainly.com/question/12783373

#SPJ4

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2 years ago