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3 years ago

What is the probability of rolling a 6-sided die and getting a 4 number divisible by 3?

Mathematics

2 answers:

levacccp [35]3 years ago

8 0

Its about a half likely for that to happen

Illusion [34]3 years ago

4 0

Answer: Hello mate!

In a fair die all the number have the same probability; 1/6

The probability of getting a 4 is the sides with the number 4 divided by the total amount of numbers in the dice, this is 1 divided by, the probability is 1/6

The probability o getting a number divisible by 3 is the number of numbers that are divisible by 3 divided by the total amount of numbers in the dice:

The numbers divisible by 3 are 3 and 6, and in the dice, there are 6 numbers in total, so the probability is 2/6 = 1/3

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For what value of x is (2x^2+8x)/(x+4)(x^2-9) undefined?

irakobra [83]

Answer:

The value at x =3 is undefined for the given expression

Step-by-step explanation:

Given expression is $\frac{2x^2+8x}{(x+4)(x^2-9)}$

To find for what value of x is undefined in the given expression :

$\frac{2x^2+8x}{(x+4)(x^2-9)}=\frac{2x(x+4)}{(x+4)(x^2-9)}$

$=\frac{2x}{x^2-9}$

$\frac{2x^2+8x}{(x+4)(x^2-9)}=\frac{2x}{x^2-9}$

If we put x=3 in the above expression we get

$\frac{2x}{x^2-9)}=\frac{2(3)}{3^2-9}$

$=\frac{6}{9-9}$

$=\frac{6}{0}$

Therefore $\frac{2x^2+8x}{(x+4)(x^2-9)}=\frac{6}{0}$

The value at x =3 is undefined for the given expression

7 0

3 years ago

My brother is currently three times as old as me, but in five years, my brother

wolverine [178]

Answer: Your brother is 15 years old right now.

Step-by-step explanation:

Let be "m" your currently age and "b" your brother's currently age.

Knowing that right now he is three times (this indicates multiplication) as old as you, you can write the following equation:

$b=3m$

In five years your age will be:

$m+5$

And your brother's age will be:

$b+5$

Then, if in five years, your brother will be twice as old as you, you can set up the second equation:

$b+5=2(m+5)$

Then, the System of equations is:

$\left \{ {{b=3m} \atop {b+5=2(m+5)}} \right.$

Apply the Substitution method and substitute the first equation into the second one and solve for "m":

$3m+5=2(m+5)\\\\3m+5=2m+10\\\\m=10-5\\\\m=5$

Substitute the value of "m" into the first equation and evaluate in order to find "b":

$b=3(5)\\\\b=15$

4 0

4 years ago

What is the distance from the origin to point P graphed on the complex plane below?

11111nata11111 [884]

Answer:

Sqrt 29

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

A car traveling at a speed of 63 kilometers per hour. What is the car’s speed in meters per second? How many meters will the car

dezoksy [38]

Answer:

Speed = 1050 meters per seconds

Distance =10500 meters

Step-by-step explanation:

Car traveling at a speed of 63 kilometers per hour

Let us convert this into meter per second

Speed = $\frac{63 }{1}$ kilometers per hour

Speed = $\frac{63 \ kilometers }{1 \ hour}$ --------(A)

1 kilometer = 1000 meters

1 hours = 3600 seconds

Replacing them in (A)

Speed = $\frac{63 \times 1000 \ meters }{1 \times 60 \ seconds}$

Speed = $\frac{63 \times 1000}{1 \times 60}$ meters per seconds

Speed = $\frac{63000}{60}$ meters per seconds

Speed = 1050 meters per seconds

Distance = speed x time

Speed = 1050 mt per sec

time = 10 sec

Distance = 1050 x 10 = 10500 meters

5 0

3 years ago

Last night, the two dinner specials at Ron's favorite restaurant were salmon filet and steak. The restaurant served 30 specials

Bingel [31]

The answer is 50%
hope this helped you good luck

7 0

3 years ago