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SOVA2 [1]
3 years ago
5

If something travels 4 meters in one second, what is its speed?

Mathematics
2 answers:
sergiy2304 [10]3 years ago
7 0

Answer:

4 m/s

Step-by-step explanation:

speed = distance/ time

speed = 4/1

speed = 4m/s

ValentinkaMS [17]3 years ago
3 0

Answer:

1.8 speed

Step-by-step explanation:

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Joe owns a stock which has probability .5 of going up. This morning, he bought a ticket in a lottery game which gives him a prob
Anit [1.1K]

Answer:

The probability that Joe's stock will go up and he will win in the lottery  is 0.00005.

Step-by-step explanation:

Let the events be denoted as:

<em>X</em> = the stock goes up

<em>Y</em> = Joe wins the lottery

Given:

P (X) = 0.50

P (Y) = 0.0001

The events of the stock going up is not dependent on the the event of Joe winning the lottery.

So the events <em>X</em> and <em>Y</em> are independent of each other.

Independent events are those events that can occur together at the same time.

The joint probability of two independent events <em>A</em> and <em>B </em>is,

P(A\cap B)=P(A)\times P(B)

Compute the value of P (<em>X ∩ Y</em>) as follows:

P(X\cap Y)=P(X)\times P(Y)=0.50\times 0.0001=0.00005

Thus, the probability that Joe's stock will go up and he will win in the lottery  is 0.00005.

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3 years ago
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Find the area of a circle that has a radius of 9 mm. Use 3.14 for π.
melisa1 [442]

Answer: 254,34 mm².

Step-by-step explanation:

S{circle}=\pi R^2\\S{circle}=3,14*9^2\\S{circle}=3,14*81\\S{circle}=254,34\  mm^2.

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Step-by-step explanation:

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