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AlexFokin [52]
3 years ago
11

A fair 10 sided dice numbered 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 is rolled once. What is the PERCENTAGE probability that it lands on a

number that is prime? *
Mathematics
1 answer:
dybincka [34]3 years ago
3 0

Answer:

40% probability that it lands on a number that is prime.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

10 sided dice

So 10 total outcomes.

Prime numbers:

Of those, 2, 3, 5 and 7 are prime, so 4 of the outcomes.

4*100/10 = 40%

40% probability that it lands on a number that is prime.

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Simplify completely quantity 5 x squared plus 9 x minus 2 over quantity x squared plus 12 x plus 20 times quantity x squared plu
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(x+2)(5x-1) (x+10)(x+7)
(x+10)(x+2) 3(5x-1)

Cancel like factors and you're left with. (x+7)/3
6 0
3 years ago
The population of a local species of dragonfly can be found using an infinite geometric series where a1 = 42 and the common rati
Mashutka [201]

we are given

first term is

a_1=42

common ratio is

r=\frac{3}{4}

now, we can find nth term

a_i=a_1(r)^{i-1}

now, we can plug values

a_i=42(\frac{3}{4})^{i-1}

now, we can write in sigma form

sum=\sum _{i=1}^{\infty }\:42(\frac{3}{4})^{i-1}

now, we can find sum

we can use formula

sum=\frac{a}{1-r}

now, we can plug values

we get

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so, option-D.................Answer

3 0
4 years ago
Where does the number 8.1 lie on the number line?
yanalaym [24]
Well, the number is more than 8, but less than 9, so it must be between 8 and 9
4 0
3 years ago
Read 2 more answers
Need help please???
dedylja [7]

Answer:

y= \frac{3}{5}x -\frac{26}{5}

Step-by-step explanation:

x₁    y₁                     m= slope

(2, -4)                     point-slope equation: y - y₁ = m( x - x₁)

y-(-4) = \frac{3}{5}( x - 2)

y + 4 = \frac{3}{5} x - \frac{6}{5}

y = \frac{3}{5}x - \frac{6}{5} - \frac{20}{5}

y = \frac{3}{5} x - \frac{26}{5}

7 0
3 years ago
Five pennies, 3 dimes, and 4 quarters are placed in a bag. What is the probability of selecting a penny and then a dime, given t
VashaNatasha [74]
There are 12 coins in the bag. For the first case, the probability that a penny is selected from the bag is 5/12 because there are 5 pennies in the bag. Also, the next one is 3/11. Multiplying the probabilities,
                           (5/12)(3/11) = 8/121
5 0
3 years ago
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