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sergeinik [125]
3 years ago
6

Bella wants to conduct a survey to determine how many of the residents of Forks believe in supernatural creatures. Which of the

following survey methods will allow Bella to make a valid conclusion about the percentage of residents of Forks that believe in supernatural creatures? Choose 1 answer: Choose 1 answer: (Choice A) A Ask a randomly selected sample of residents to answer the question anonymously. (Choice B) B Ask a randomly selected sample of high school students to answer the question anonymously.
Mathematics
2 answers:
Sonja [21]3 years ago
5 0

Answer: Its actually A, I just checked on khan academy.

Step-by-step explanation: I Promise

Nimfa-mama [501]3 years ago
4 0
I believe it's choice a ;)
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If tan x° = a divided by 4 and cos x° = 4 divided by b what is the value of sin x°? (1 point) \
Rudiy27

Answer:

Sin x = a / b.

Step-by-step explanation:

The opposite side =a and the adjacent side = 4 (because tan x = a/4.

Cos x = 4/b so the hypotenuse = b ( because  Cos = adjacent /hypotenuse.

So sin x = opposite /hypotenuse = a / b.

3 0
2 years ago
3x-7x=12x how would u solve this?
Ipatiy [6.2K]

Answer:

Because theres nothing to solve for x is all real numbers

Step-by-step explanation:

There is no way to solve it as theres nothing to solve for. You just plug in the x's with any number you want and it still will be there

4 0
3 years ago
Read 2 more answers
You and your best friend are meeting at
chubhunter [2.5K]

Answer:

  10.6 miles

Step-by-step explanation:

The corner where Starbucks is located could be considered to be the right angle in a right triangle having legs of 8 miles (distance to you) and 7 miles (distance to your friend). The straight-line distance (d) from you to your friend is the hypotenuse of that triangle. Its length can be found from the Pythagorean theorem.

  d² = 8² +7²

  d² = 64 +49 = 113

  d = √113 ≈ 10.6

You and your friend are about 10.6 miles from each other.

4 0
2 years ago
Hi, am I supposed to find the stationary points of the f(x) and g(x) then use the distance formula to solve for the final answer
nikdorinn [45]

9514 1404 393

Answer:

  maximum difference is 38 at x = -3

Step-by-step explanation:

This is nicely solved by a graphing calculator, which can plot the difference between the functions. The attached shows the maximum difference on the given interval is 38 at x = -3.

__

Ordinarily, the distance between curves is measured vertically. Here that means you're interested in finding the stationary points of the difference between the functions, along with that difference at the ends of the interval. The maximum difference magnitude is what you're interested in.

  h(x) = g(x) -f(x) = (2x³ +5x² -15x) -(x³ +3x² -2) = x³ +2x² -15x +2

Then the derivative is ...

  h'(x) = 3x² +4x -15 = (x +3)(3x -5)

This has zeros (stationary points) at x = -3 and x = 5/3. The values of h(x) of concern are those at x=-5, -3, 5/3, 3. These are shown in the attached table.

The maximum difference between f(x) and g(x) is 38 at x = -3.

4 0
2 years ago
What is 105,159 rounded to the nearest ten thousand
ludmilkaskok [199]
The answer will be 100,000 I hoped this helped;)
3 0
3 years ago
Read 2 more answers
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