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vagabundo [1.1K]
2 years ago
14

NEED ANSWER ASAP ! ! ! ! ! !

Mathematics
2 answers:
Norma-Jean [14]2 years ago
8 0

Answer:

No

Step-by-step explanation:

They are not congruent, since they have different angle measures.

katrin [286]2 years ago
8 0

Answer:

no they are not congruent

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In a certain school, students can choose whether to eat in the school’s cafeteria. A reporter working for the school’s newspaper
rosijanka [135]

Answer:

The statement that is true is B. Because students self-selected whether to eat in the cafeteria, the sampling method might be biased and the sample might not be representative of all students in the school.

Step-by-step explanation:

Because of students can decide if they eat in the cafeteria or not, the sample obtained by the reporter can be extrapolated only to the population of students that actually eat in the cafeteria, not to all students population. To make a conclusion of the degree of conformity of all students population, the poll should have been conducted in a hallway of the school (to get the opinion of all students, not only the ones that go to the cafeteria). In other way, the reporter are loosing the opinion of those students that are not happy with the new menu, and decide not going to the cafeteria.  

4 0
3 years ago
In how many ways can a password be made using 4 letters from the 26 letter English alphabet, if letters cannot be repeated?
elena-14-01-66 [18.8K]

Answer:

I got 358,800

Step-by-step explanation:

First you can choose from 26 letters, then from 25 (because you can't use the same letter) then from 24, and then from 23. You multiply 26 * 25 * 24 * 23 and you get your answer.

I think :)

6 0
3 years ago
The maximum value of 12 sin 0-9 sin²0 is: -​
jeka57 [31]

Answer:

4

Step-by-step explanation:

The question is not clear. You have indicated the original function as 12sin(0) - 9sin²(0)

If so, the solution is trivial. At 0, sin(0) is 0 so the solution is 0

However, I will assume you meant the angle to be \theta rather than 0 which makes sense and proceed accordingly

We can find the maximum or minimum of any function by finding the first derivate and setting it equal to 0

The original function is

f(\theta) = 12sin(\theta) - 9 sin^2(\theta)

Taking the first derivative of this with respect to \theta and setting it equal to 0 lets us solve for the maximum (or minimum) value

The first derivative of f(\theta) w.r.t \theta is

                        12\cos\left(\theta\right)-18\cos\left(\theta\right)\sin\left(\theta\right)

And setting this = 0 gives

12\cos\left(\theta\right)-18\cos\left(\theta\right)\sin\left(\theta\right) = 0

Eliminating cos(\theta) on both sides and solving for sin(\theta) gives us

sin(\theta) = \frac{12}{18} = \frac{2}{3}

Plugging this value of sin(\theta) into the original equation gives us

12(\frac{2}{3}) - 9(\frac{4}{9} ) = 8 - 4 = 4

This is the maximum value that the function can acquire. The attached graph shows this as correct

3 0
1 year ago
In △MNP , m∠M=41∘ , m∠P=62∘ , and NP=108 centimeters . What is MP ?
yarga [219]
Um 12 i think dat really look hard

8 0
3 years ago
Read 2 more answers
Which statement about the zeros of the graphed function is true?
Anton [14]

Answer:

A. The function has three distinct real zeros.

Step-by-step explanation:

8 0
3 years ago
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