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love history [14]

3 years ago

13

What is the expirimental probability of rolling a number greater than 4

1 answer:

Ivenika [448]3 years ago

5 0

Answer:

36

Then the experimental probability of rolling a number greater than four would be 36 or one-half. As the number of trials increases, the experimental probability will become close to the theoretical probability.

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Which equation has the solutions x = startfraction negative 3 plus-or-minus startroot 3 endroot i over 2 endfraction? 2x2 6x 9 =

Gennadij [26K]

The quadratic equation which matches given solution is x² + 3x + 3 = 0. Then the correct option is C.

<h3>What is a quadratic equation?</h3>

It is a polynomial that is equal to zero. Polynomial of variable power 2, 1, and 0 terms are there. Any equation having one term in which the power of the variable is a maximum of 2 then it is called a quadratic equation.

We know that the formula

$\rm x = \dfrac{-b\pm \sqrt{b^2-4ac}}{2a}$

The solutions are given below.

$\rm x = \dfrac{-3 \pm \sqrt3 \iota }{2}$

Then

1) 2x² + 6x + 9 = 0, the zeroes of the equation will be

$\rm x = \dfrac{-6\pm 6\iota}{4}\\\\x = \dfrac{-3\pm 3 \iota}{2}$

2) x² + 3x + 12 = 0, the zeroes of the equation will be

$\rm x = \dfrac{-3\pm \sqrt{39}\iota}{2}$

3) x² + 3x + 3 = 0, the zeroes of the equation will be

$\rm x = \dfrac{-3\pm \sqrt3\iota}{2}$

4) 2x² + 6x + 3 = 0, the zeroes of the equation will be

$\rm x = \dfrac{-6\pm 2\sqrt{3}}{4}\\\\x = \dfrac{-3\pm \sqrt3 }{2}$

More about the quadratic equation link is given below.

brainly.com/question/2263981

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2 years ago

Which number is not divisible by either of the numbers 3 and 5?

Triss [41]

3and5 are both divisible by 15

8 0

3 years ago

Barbara bought 5 movie tickets for $30. If she bought 9 tickets how much would it cost?

Mamont248 [21]

$54
30 divided by 5 is 6. then 6 times 9 is 54

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2 years ago

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What is the value of x in the equation Negative two-fifths x minus 2 = 18? –50 –40 –8 –6

AveGali [126]

-2/5x -2= 18
-2/5x=18+2
Divide -2/5 with both sides
x= -50

8 0

3 years ago

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Considering the sign up fee and monthly membership fee for a gym the equation c=30m+25 can be used to represent the total cost o

Naddik [55]

Answer:

$25

Step-by-step explanation:

Cost = 30 x months + 25

Every month you will pay 30$

At 0 months when you sign up substitute m=0

Cost = 30x 0 +25 = 0 +25 =25

7 0

3 years ago