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Black_prince [1.1K]
3 years ago
15

What is the length of DE?

Mathematics
1 answer:
liberstina [14]3 years ago
7 0

Answer:

8 doi

Step-by-step explanation:

doi

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If the probability of rain today is 15%, what is the probability that it will not
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The probability that will not rain today is: 85%

100% - 15% = 85%

The correct answer is A

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2 years ago
HELP QUICK PLEASE<br> Determine the following values of the function.<br><br> f(-3) = <br> f(2) =
astra-53 [7]
F(-3) would be -8, because you would use the first equation. f(2) would be 4 apparently cause theres no x after the 4, or in the equation of the 4. Hope this helps. Please rate, leave a thanks, and mark a brainliest answer(not necessarily mine). Thanks, it really helps! :D
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Collinear points are two or more points that lie on the same blank?HELP
guapka [62]
Collinear points are two or more points that lie on the same line.
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3 years ago
21 points!!
Bogdan [553]

Answer:

See attached pictures.

Step-by-step explanation:

The sine and cosine functions have the forms: f(x) = C+ A sinBx and f(x) = C + A cosBx. A is the amplitude for each function. The period is found by dividing 2π the absolute value of B or \frac{2\pi}{|B|}. C shifts the function up and down.

The sine function always starts and ends on the x-axis.

The cosine function always starts and ends at the y=A.

6.) The sine function starts at (0,0) then peaks at 5. Comes down to 0 and down to -5 before returning to 0.

The amplitude is 5.

The period is \frac{2\pi}{|2|}=\pi

7.) Here A=3 so the amplitude is 3, B is 1/2 so the period is 4π. Start at (3,0) and descend down to (2π, 0). Go back up to (4π, 3).

8.) Here A = 2 so the amplitude is A. B is 2π so the period is 1. C is 1 so the graph is shifted up a unit.

Start the graph at (0,1) and go up to (0.25,3) and down to (0.5,1) and continue downward to (0.75, -3) then back up to (1,1).

3 0
3 years ago
Find the discriminant and the number of real roots for this equation.
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Answer:

C. -24 no real roots

Step-by-step explanation

3 0
3 years ago
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