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kati45 [8]
3 years ago
15

Saul flips a coin 20 Times and determines that the probability of flipping heads is 0.55. Is this experimental or theoretical pr

obability
Mathematics
1 answer:
Lilit [14]3 years ago
4 0
This is experimental. Saul has conducted an experiment to come to this solution
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A point lies in quadrant ii. after a rotation of negative 90°, the point will lie in quadrant _____.
Leokris [45]
It would be in quadrant 3
8 0
3 years ago
The swimming pool is open when the high temperature is higher than 20 Celsius. Laney tried to swim on Monday and Thursday which
const2013 [10]

Answer:30° - 3d ≤ 20°

Step-by-step explanation:

We have to represent the rate of temperature decrease in degrees .We will represent this by "d" which stands for degree.

According to the question , temperature decreased at a constant rate in the next three days

Therefore , the total decreasing in three days = 3d degree i.e 3 *d=3d

Temperature on Monday = 30°

Then the temperature on Thursday is this = 30° - 3d

Since, The swimming pool is open when the high temperature is higher than 20°=≤20

= 30° - 3d ≤ 20°

This is the required inequality to determine the rate of temperature decrease in degrees Celsius per day, "d"from Monday to Thursday.

6 0
4 years ago
Please help ASAP!!!!
son4ous [18]

E.

2 +  \sqrt{ \frac{14}{2} }i

I think this will be the answer :)

6 0
3 years ago
Which statement about the function is true?
almond37 [142]

Answer:

A.) The function is increasing for all real values of x where x < -4

Step-by-step explanation:

On the interval x < -4, all of the x values are increasing. Before x = -4, the line assumes a positive slope because it is heading upwards. After this interval, the function is decreasing because the slope is heading downwards.

On the interval -6 < x < -2, all of the x values are positive because they lie above the x-axis. This does not necessarily mean that all of the values are increasing.

On the interval x < -6 and x > -2, all of the x values are negative because they lie below the x-axis.

4 0
2 years ago
Resolute academy algebra 1
Goryan [66]

Answer:

B

Step-by-step explanation:

We can see in the expression that there are 2 x² blocks, 4 -x blocks, and 3 -1 blocks. Therefore, we can write this as

2 * x² + 4 * (-x) + 3 * (-1) = 2x²-4x-3

Comparing this with each answer, we have

A: x²-2x-4 + x² + 2x-1 = 2x²-5. This is not correct

B: 3x²-7x+1-(x²-3x+4) = 3x²-7x+1 -x²+3x-4 = 2x²-4x-3. This seems correct but we can check the other answers to be sure

C: (2x+1)(x-3) = 2x²-6x+x-3 = 2x²-5x-3. This is incorrect

D: \frac{8x^{12} - 16x^7 - 12x^6}{4x^6} = 2x^6 - 4x - 3. This is incorrect

3 0
3 years ago
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