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Rzqust [24]
3 years ago
8

When rolling a fair dice numbered 1-6 what is the probability of getting an even number

Mathematics
2 answers:
kherson [118]3 years ago
7 0

NO of even number =3
Total number =6
3/6=1/2
Answer =1/2
Sveta_85 [38]3 years ago
4 0
The probability is 50% or 1/2
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If a simple harmonic motion is described by x = 3 cos(πt), starting from t = 0 s, what is the first occurrence of a value of t f
poizon [28]

Answer:

The first occurence of t for which x = 0 is t = 0.5.

Step-by-step explanation:

The harmonic motion is described by the following equation.

x(t) = 3\cos{\pi t}

What is the first occurrence of a value of t for which x = 0?

This is t when x(t) = 0. So

x(t) = 3\cos{\pi t}

3\cos{\pi t} = 0

\cos{\pi t} = \frac{0}{3}

\cos{\pi t} = 0

The inverse of the cosine is the arcosine. So we apply the arcosine function to both sides of the equality.

\arccos{\cos{\pi t}} = \arccos{0}

\pi t = \frac{\pi}{2}

t = \frac{\pi}{2 \pi}

t = \frac{1}{2}

t = 0.5

The first occurence of t for which x = 0 is t = 0.5.

3 0
3 years ago
Verify that the segments are parallel
kozerog [31]

Answer:

We know that lines AB and CD are parallel because if you expand them, we know they will never touch.

Step-by-step explanation:

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3 years ago
Find a factor pair of 80 that has a sum of 21​
uranmaximum [27]

16 and 5 are the factors

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PLEASE HELP ASAPPP!!! 15PT QUESTION!!! Suppose that a ball is rolling down a ramp. The distance traveled by the ball is given by
Sever21 [200]

Answer:

The average velocity of the ball is 137.5 \:ft/sec

Step-by-step explanation:

First find the velocities at given times and then form two points. Calculate the slope to find the average velocity. The two points are:

\left(6,\:396\right)\quad and \quad \:\left(6.5,\:464.75\right)

\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}=\frac{464.75-396}{6.5-6}

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Best Regards!

5 0
3 years ago
Can someone help answer this please?
Dmitriy789 [7]
C= (31+7)1/2
Carlos has 19 points

double check
19•2 = 38-7 = 31
7 0
3 years ago
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