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marta [7]
2 years ago
8

pleaseeee someone help meee!!! a rabbit can run a short distances at 35 miles per hour. a fox can run a short distance at a rate

of 21 miles per hour. which animal is faster?
Mathematics
1 answer:
Sholpan [36]2 years ago
3 0
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Is 0.12 a rational number
Ray Of Light [21]
Yes .12 is a rational number
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Draw the graph of the linear equation 2 x - y =0
Mandarinka [93]

The answer is in the attachment!!!

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3 years ago
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2/3 divided by 5 is it 2/3 times 1/5=2/15
drek231 [11]

(2/3)/5

Yes. (2/3)/5 is the same as 2/15 because:

(2/3) = (0.67)/5 = 0.133 (continuing)

(2/15) = 0.133 (countinuing)

hope this helps

4 0
3 years ago
Koran is spending $12 on games and rides at another carnival, where a game costs $0.25 and a ride costs $1.
Vlad [161]

Answer:

0.25x+y=12

Step-by-step explanation:

Let

y ----> the number of rides

x ---> the number of games

we know that

The number of rides multiplied by  $1 plus the number of games multiplied by $0.25 must be equal to $12 (the dollar amount Koran is spending)

so

The equation that represent this situation is

0.25x+y=12

5 0
2 years ago
About 1111​% of the population of a large country is math phobicmath phobic. If two people are randomly​ selected, what is the p
yKpoI14uk [10]

Answer:

a) P(X=2) = (2C2) (0.11)^2 (1-0.11)^{2-2}= 0.0121

b) P(X=0) = (2C0) (0.11)^0 (1-0.11)^{2-0}= 0.7921

P(X \geq 1)= 1-P(X  

Step-by-step explanation:

Previous concepts  

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".  

Solution to the problem  

Part a

Let X the random variable "number of people math phobicmath phobic" , on this case we now that the distribution of the random variable is:  

X \sim Binom(n=2, p=0.11)  

The probability mass function for the Binomial distribution is given as:  

P(X)=(nCx)(p)^x (1-p)^{n-x}  

Where (nCx) means combinatory and it's given by this formula:  

nCx=\frac{n!}{(n-x)! x!}

And we want this probability:

P(X=2)

If we use the probability mass function we got:

P(X=2) = (2C2) (0.11)^2 (1-0.11)^{2-2}= 0.0121

Part b

For this case we want this probability:

P(X \geq 1)= 1-P(X  

We can find first this probability

P(X=0) = (2C0) (0.11)^0 (1-0.11)^{2-0}= 0.7921

P(X \geq 1)= 1-P(X  

5 0
3 years ago
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