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nikklg [1K]
3 years ago
7

If you flip a coin 4 times, what is the probability of flipping heads 4 times?

Mathematics
1 answer:
finlep [7]3 years ago
8 0
1/2 chance per flip
 1/2 times 4 is 1/8
its 1/8 chance or 12.5%
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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
The small submarine is at –1,320 feet in relation to sea level. The submarine needs to be 180 feet below sea level in 60 minutes
emmainna [20.7K]

Answer:

The first submarine needs to travel at a rate of [-180 – (-1,320)] ÷ 60 = 19 feet per minute.

The second submarine needs to travel at a rate of [-180 – (-1,440)] ÷ 60 = 21 feet per minute.

21 – 19 = 2, so the second submarine must travel 2 feet per minute faster than the first sub.

3 0
2 years ago
Help please i need to know this so i get a good grade.
ZanzabumX [31]

Answer:

The answer is -11/12

5 0
2 years ago
If there are 132 stamps on a total of 12 pages in a collector's book, what the unit rate of stamps per page ?
DanielleElmas [232]

Answer: 11 stamps per page

Step-by-step explanation: 132 divided by 12

4 0
2 years ago
Plz help
juin [17]

We know that the form of line passing through point (x₀ , y₀) and having slope m is : y - y₀ = m(x - x₀)

Here the line passes through the point (-2 ,9)

x₀ = -2 and y₀ = 9 and Given : Slope(m) = -14

Equation of the line :

⇒ y - 9 = -14(x + 2)

3rd Option is the Answer

3 0
3 years ago
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