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evablogger [386]
3 years ago
11

How many miles does a runner travel in a five-kilometer race?

Mathematics
1 answer:
ollegr [7]3 years ago
4 0
Since one kilometer is equal to about 0.621 miles, a runner travels 3.105 miles in a five-kilometer race.
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17=5k-2 what Is (k) help me please
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3 years ago
Six different colored dice are rolled. Of interest is the number of dice that show a one. In words, define the random variable X
olga nikolaevna [1]

Answer:

Step-by-step explanation:

Six dice (each of a different color) are rolled. Since the number of times the 6 dice were rolled isn't stated, take it to be 1.

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The number of dots that show on the upward face of the rolled dice.

The values that X may take on are:

1  2  3  4  5  6

On average, how many dice would you expect to show a one?

One die.

How is this gotten? By finding the probability that a one or one dot appears when the 6 dice are rolled at once. Since there are 6 dice in number, and each die has the same 6 faces containing dots, the probability of getting a one is 1/6. In this case, one out of 6 dice is expected to show one dot.

Find the probability that all six dice show a dot in just one toss.

Logically, this probability is going to be very small! It is almost impossible for all 6 dice to land on the same face in just a single toss. In other words, expect many decimal places in the probability figure.

1/6 divided by 6  = 0.167/6  = 0.028 approximated to three decimal places.

This would also represent the probability that 2 dots, 3 dots, or any other number of dots appears on all dice in one toss!

Is it more likely (in this experiment) that 3 or 4 dice will show a one (a single dot)?

The answer is yes! It is more likely that 3 or 4 dice (instead of all 6) will show a one or will show the same number of dots.

Kudos!

7 0
3 years ago
The Last customer of the day is a loyal customer who brings in a $15.00 off coupon. She purchases 2 paint brushes ($21), one doz
Yuri [45]

Answer:

I think $21 or $7.88

Step-by-step explanation:

check it again and there you go

6 0
3 years ago
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