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3 years ago

Indicate the number divisible by 3 and 5 simultaneously a) 715 b)220 c)255 d)369

Mathematics

2 answers:

koban [17]3 years ago

3 0

Answer:

c) 255

Step-by-step explanation:

d isn't divisible by 5 and both a and b aren't divisible by 3

Naddik [55]3 years ago

3 0

Answer:

c) 255.

Step-by-step explanation:

You need a number whose last digit is 0 or 5 and is divisible by 3.

So first of all the number can;'t be 369.

A quick way to see if a number is divisible by 3 is to add all its digits until you get a single digit. Then if this digit is 3, 6 or 9 then the number is divisible by 3,

So in the case of 255 we have:

2+ 5+ 5 = 12 , 1 + 2 = 3.

We see that 220 and 715 produce digits 4 and 7+1+5 = 13 = 4 so it cant be one of them

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Oliga [24]

Solution :

It is given that P(x) is said to be complete or proper probability distribution if it satisfies the following two ways :

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Thus, option (c) is correct.

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2 years ago

What is equal to 14.1.

VLD [36.1K]

A lot of numbers, equations, etc equal 14.1. Be more specific in your questions. I’m sorry this doesn’t really help but just use this for future reference

3 0

2 years ago

Pls answer and get branily

Dennis_Churaev [7]

Answer:

Just put 4 basketballs and 5 baseballs in each one

Step-by-step explanation:

If you think about it you will know that each ratio there is the same. So, you do the same thing each time.

All you have to do now is read. It says put 4 basketballs and 5 baseballs.

I hope this helped ;)

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2 years ago

4. Find the shortest length that can be cut into exact equal lengths of 4cm or 18cm (3mks)

garik1379 [7]

Answer:

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Step-by-step explanation:

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2 years ago

(HELP WITH THIS )Suppose ages of cars driven by company employees are normally distributed with a mean of 8 years and a

8090 [49]

Answer:

Let say 75% of cars older than age = Y years

than 25 % cars of age less than Y Years

Z score corresponding to 25 % = -0.674

Z score = (Value - Mean) /SD

Value = Y

Mean = 8

SD = 3.2

Z score = -0.674

-0.674 = (Y - 8)/3.2

=> Y =5.84 Years

=> Y ≈ 5.9 Years

Approximately 75% of cars driven by company employees are older than about 5.9 years

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