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jasenka [17]
3 years ago
8

A ranch hand herded his cattle to some grazing land. Then he began riding back to the ranch, which is due west, at 7 kilometers

per hour. Simultaneously, the cows began moving away from him, too, headed due east at 2 kilometers per hour. How long did it take for the herd and the ranch hand to be 4 kilometers apart?
Mathematics
2 answers:
astra-53 [7]3 years ago
8 0

Answer:

4 kilometres

Hope this helped!

Pavlova-9 [17]3 years ago
4 0

Answer:

4 kilometrs

Step-by-step explanation:

if you add the 2 to another 2 you get four

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2 number cubes are rolled what is the probability that the sum if the numbers rolled is either a 4 or a 10
goldenfox [79]
With 2 cubes, there are 3 ways to roll a sum of 4... 1 and 3, 3 and 1, 2 and 2.
with 2 cubes, there are 3 ways to roll a sum of 10....6 and 4, 4 and 6, 5 and 5.

total possible outcomes = (6 * 6 ) = 36

probability of this happening is 6/36 reduces to 1/6
4 0
3 years ago
During summer weekdays, boats arrive at the inlet drawbridge according to Poisson distribution at a rate of 3 per hour. In a 2-h
mrs_skeptik [129]

Answer:

The probability that no boats arrive is 2.48\times 10^{-3}.

Step-by-step explanation:

Poisson distribution:

Poisson distribution is a statistical distribution that helps to find out the probability of a certain is likely occur a specified period of time.

P(X=x)=\frac{e^{-\lambda t}(\lambda t)^x}{x!}

\lambda = rate.

Given that, Poisson distribution at a rate of 3 per hour.

\lambda = 3

t=2

x=0

The probability that no boats arrive is

P(X=0)=\frac{e^{-2\times 3}(2\times 3)^0}{0!}

                =2.48\times 10^{-3}

6 0
3 years ago
Susie flips a coin three times. what is the probability of her getting tails all three times?​
Romashka [77]

Answer:

18

Step-by-step explanation:

Hoped this helped!!

5 0
3 years ago
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an average ant is 1/4 of an inch long. an average aphid is 3/32 of an inch long. how many times longer is the ant than the aphid
Nataly_w [17]
First find the common denominator.  In this case, you would want to use 32.  So, 1/4 = 8/32.  So, an ant is 8/32 of an inch and an aphid is 3/32 of an inch.  Now to find the difference, you subract.  8/32 - 3/32 = 5/32.  So the answer is, the ant is 5/32 of an inch longer.
3 0
3 years ago
Please help<br> Thanks!
8_murik_8 [283]
Top to bottom
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2 years ago
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