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Goshia [24]
3 years ago
15

a sixteen sided number cube has the numbers 1 through 16 on each face. each face is equally likely to show after a roll. what is

the probability that you will roll an even number or an odd prime number? round to the nearest thousandth
Mathematics
1 answer:
solong [7]3 years ago
3 0
The possibilities of an even number are  2,  4,  6,  8,  10,  12,  14, and  16 .

The possibilities of an odd prime are  3,  5,  7,  11,  and  13.

8 even numbers + 5 odd primes  =  13 possibilities of success

                                                 out of 16 total possible outcomes.

Probability of success  =  13/16 =   0.8125  =  81.25% .

Rounded to the nearest thousandth, it's 0.813 .
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The sum of all three numbers is 12. The sum of twice the first number, 4 times the second number, and 5 times the third number i
DaniilM [7]

Answer:

The numbers are 7, 4 and 1

Step-by-step explanation:

Let the numbers =x, y, z.

The sum of all three numbers is 12, x+y+z=12--------i

The sum of twice the first number, 4 times the second number, and 5 times the third number is 35, 2x+4y+5z=35-------ii

The difference between 8 times the first number and the second number is 52, 8x-y=52---------iii

Now, from (i),z =1-x-y--------iv

substitute (iv) in (ii),

2x+4y+5(12-x-y)=35

2x+4y+60-5x-5y=35

collect like terms

-3x-y=-25

that is, 3x-y=25--------v

solving (iii) and (v) simultaneously (add iii and v), we have

11x=77

divide both sides by 11 to obtain x=7

Put x=7 in (v)

3(7)+y=25

21+y=25

implies y=25-21=4

put x=7 and y=4 in (iv)

z=12-7-4=1

Hence, the numbers are 7, 4 and 1.

4 0
3 years ago
To convert a distance of 12000 feet to miles which ratio could you multiply by?
Luba_88 [7]

Answer:

2.28 miles

Step-by-step explanation:

1 foot = 0.00019miles

12000 feet = x miles

Cross multiply

x = 12000 x 0.00019

x = 2.28 miles

5 0
3 years ago
Type a digit that makes this statement true.<br> 48,49 ,867 is divisible by 9.<br> Submit
horrorfan [7]

Answer: 8

Step-by-step explanation:

48,498,867 divided by 9 = 5,388,763

7 0
2 years ago
Read 2 more answers
What is 2÷22 I need help
morpeh [17]
Two divided by twenty-two is .090909 repeating
3 0
3 years ago
Please help me wit these 2
Sedaia [141]

Answer:

6)GFE

EFG

F

4

8) I got x=1

Step-by-step explanation:

So sorry if that is wrong

5 0
3 years ago
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