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3 years ago

What Is the least common multiple of two numbers when one number is a multiple of the other give an example

Mathematics

2 answers:

Tems11 [23]3 years ago

6 0

Like 9 and 9? 9 is a multiple of 3 and 9 time 9 is 81

IRISSAK [1]3 years ago

5 0

A common multiple is a number that is a multiple of two or more numbers.

For example: Common multiples of 2 and 3 are 0, 6, 12, 18, ...

So, If one number is the multiple of the other, the bigger number will be the LCM

For example 6 is a multiple of 3. Therefore LCM of 3 and 6 is 6

hope his helps!

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The random variable x is the number of occurrences of an event over an interval of ten minutes. It can be assumed that the proba

givi [52]

The options given don't correspond to the values in the question. The options are from another question where mean is 5.3 and the probability being looked for is for exactly 3 occurrences and 5 occurrences

Answer:

A) 0.6511

B) Poisson distribution

Step-by-step explanation:

We are given;

Mean: μ = 5.4 minutes

Now, we want to find the probability that there are more than 5 occurrences in ten minutes.

This will be written as;

P(x > 5) = 1 - P(x < 5)

P(x < 5) = P(x = 4) + P(x = 3) + P(x = 2) + P(x = 1) + P(x = 0)

We will use Poisson distribution for this. The formula is;

P(x) = [(e^(-μ)) × μ^(x)]/x!

P(0) = [(e^(-5.4)) × 5.4^(0)]/0! = 0.004517

P(1) = [(e^(-5.4)) × 5.4^(1)]/1! = 0.02439

P(2) = [(e^(-5.4)) × 5.4^(2)]/2! = 0.06585

P(3) = [(e^(-5.4)) × 5.4^(3)]/3! = 0.11853

P(4) = [(e^(-5.4)) × 5.4^(4)]/4! = 0.16

Thus;

P(x < 5) = 0.16 + 0.11853 + 0.06585 + 0.004517 = 0.3489

Thus;

P(x > 5) = 1 - P(x < 5) = 1 - 0.3489 = 0.6511

B) like seen from solution A above, we used Poisson distribution formula.

Thus, random variable x satisfies Poisson distribution

3 0

3 years ago

The answers would be great

andrezito [222]

You need to find the angles and find the sides by using a^2+b^2=c^2

7 0

3 years ago

Lexi has already jarred 19 liters of jam and will jar an additional 9 liters of jam every day. How many days does lexi need to s

Marysya12 [62]

Answer:

Lexi need to spend 6 days to fill the jar with 73 liters of jam.

Step-by-step explanation:

Given:

amount of jam already had in jar =19 liters

amount of jam added each day in jar = 9 liters.

Total number of jam to be needed in jar = 73 liters.

We need to find the number of days required to jar 73 liters.

Solution:

To find the number of days required to jar 73 liters will be equal to amount of jam already had in jar plus amount of jam added each day in jar multiplied by number of days.

framing in equation form we get;

$19+9x= 73$

Subtracting both side by 19 we get;

$19+9x-19=73-19\\\\9x = 54$

Dividing both side by 9 we get;

$\frac{9x}{9}=\frac{54}{9}\\\\x=6\ days$

Hence Lexi need to spend 6 days to fill the jar with 73 liters of jam.

5 0

3 years ago

A 6 foot tall baby giraffe standing next to an adult elephant casts a 15 ft shadow if the adult elephant casts a shadow that is

notsponge [240]

Answer:

29 ft

Step-by-step explanation:

15-6 = 9

20+ 9 = 29

7 0

3 years ago

The drawing club is looking for more members. There are already 5 members, each member has to find 2 more members, and every inc

CaHeK987 [17]

Answer:

I think the answer should be floor 4 but since floor 5 is the closest I would go for that.

Step-by-step explanation:

there are 5 members initially in the group if every member has to bring 2 members and those 2 members have to also bring in 2 other members that mean 4 people that are brought in by one person and if there are 5 people in a group that means 20 people are brought in one floor if 20 * 4 is 80 plus the initial 5 members so they only need 4 floors to have at least 80 members.

4 0

2 years ago