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ehidna [41]
3 years ago
5

two dice are rolled, given that the total showing on the two dice is 7, find the probability that one of the dice shows the numb

er 2​
Mathematics
2 answers:
mezya [45]3 years ago
8 0

Answer: 2/36

Step-by-step explanation: there are 36 possibilities when you have two dice. each dice have one two on them. therefore you have a 2 out of 36 chance of rolling a 2.

kipiarov [429]3 years ago
3 0

Answer:

For each of the possible outcomes add the numbers on the two dice and count how many times this sum is 7. If you do so you will find that the sum is 7 for 6 of the possible outcomes. Thus the sum is a 7 in 6 of the 36 outcomes and hence the probability of rolling a 7 is 6/36 = 1/6.

Step-by-step explanation:

You might be interested in
At a ceramic shop, each cup is $6.30 cheaper than each plate. If you totally spent $28.50 for 5 cups and 3 plates, what is the p
Alex Ar [27]
Let
x-------------> <span>the price of each cup
</span>y-------------> the price of each plate

we know that

5x+3y=28.50----------> equation 1
and
x=y-6.30--------------> equation 2

I substitute 2 in 1
5*(y-6.30)+3y=28.50---------> 5y-31.5+3y=28.5-----> 8y=60
y=7.5
x=y-6.3---------> x=7.5-6.3---------> x=1.2

the answer is
the price of each cup is $1.2
 the price of each plate is $7.5


8 0
3 years ago
A city phone book has 86 pages filled with residents names. There are a total of 15.050 names in the book. Eachpage has an equal
Vsevolod [243]

There are 175 names on each page.

5 0
3 years ago
Also explain how you got your answer please
serg [7]

Answer:

?

Step-by-step explanation:

8 0
3 years ago
780 as a percentage of 1.5
Anna [14]
780 as a percentage of 1.5
=\frac{780}{1.5} *100
=52,000 percent of 1.5
4 0
3 years ago
Which of the following represents a positive number?​
Trava [24]

Answer: OPTION C

Step-by-step explanation:

A positive number must be greater than (>) 0, so lets check which fits this condition.

--------------------------------------------

A.

7.09+(-7.28)=-0.19   NEGATIVE

B.

-12+11.5=-0.5  NEGATIVE

C.

-4.8-(-6.1)=1.3   POSITIVE

D.

-21-(-18.5)=2.5   NEGATIVE

--------------------------------------------

C represents positive number

Hope this helps!! :)

Please let me know if you have any question

3 0
3 years ago
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