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ahrayia [7]
3 years ago
10

Find the probability of rolling a prime number on a dice

Mathematics
1 answer:
Nady [450]3 years ago
7 0
A dice has numbers 1 through 6. Prime numbers are numbers that cannot be divided by anything except itself and one. Remember that 1 is not a prime number.

That means the numbers on a dice that are prime are: 2, 3, and 5. That means 3 out of the 6 numbers are prime, so the probability of rolling a prime number, since all sides have the same chance of being rolled is:
\frac{3}{6} =  \frac{1}{2}

Your answer is 1/2 probability of rolling a prime. 
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Quadratic equation whose vertex is (2,3) and y intercept is 11
never [62]

Answer:

y = 2(x - 2)² + 3      vertex form

y = 2x² - 8x + 11     standard form

Step-by-step explanation:

Vertex form

y = a(x - h)² + k

(h, k) = (2, 3)

y = a(x - 2)² + 3

To find "a" plug in the y-intercept (0, 11)

11 = a(-2)² + 3

11 = 4a + 3

Subtract 3 from both sides

8 = 4a

a = 2

y = 2(x - 2)² + 3

Expand

y = 2(x² - 4x + 4) + 3

y = 2x² - 8x + 11

5 0
3 years ago
What is the period of y=4cos5x
kvasek [131]

you take 2pi and divide it by bits stolen from the equation its explained more in the screennshot

5 0
3 years ago
Please help me,I need help understand so I can do my own! Worth 20 points!!
andrey2020 [161]
A)  5x⁴-8  <----- the tell-tale guy is the exponent of the variable, is 4, so the                                     degree is 4, 5x then minus then 8, two terms, a BInomial

b) 4a²-2a-16   <---- same tell-tale guy, a² has a higher exponent than say                                            "a", so, the degree is the higher exponent, degree of 2
                           it has 3 terms, thus is a TRInomial
c) 9m³  <---- well, is the only term, variable exponent is 3, so, degree of 3
                   only one term means is a MONOmial.

8 0
3 years ago
You don’t have to explain it I just need the answer
ladessa [460]

The correct answer is :H=-3 ............

8 0
3 years ago
What is the area of this shape?
AVprozaik [17]

Answer:

34

Step-by-step explanation:

34

6 0
3 years ago
Read 2 more answers
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