All categories

2 years ago

Every even number,except 2,is composite

1 answer:

5 0

Yes. That's correct. Is that what you're asking...? To clarify, prime numbers have a single factor (one and itself) , composite numbers have multiple factors.

You might be interested in

I will give brainliest please help

Inessa [10]

Answer:

828

Step-by-step explanation:

5 0

2 years ago

A company's revenue from selling x units of an item is given as R=1700x-2x^2 . If sales are increasing at the rate of 25 units p

viva [34]

Answer:

The daily rate is: 17500 units per day

Step-by-step explanation:

Given

$R = 1700x - 2x^2$

$\frac{dx}{dt} = 25$

Required

Find $\frac{dR}{dt}$ when $x = 250$

We have:

$R = 1700x - 2x^2$

Differentiate both sides with respect to time

$\frac{dR}{dt} = 1700\frac{dx}{dt} - 4x\frac{dx}{dt}$

Factorize

$\frac{dR}{dt} = (1700- 4x)\frac{dx}{dt}$

Substitute: $\frac{dx}{dt} = 25$ and $x = 250$

$\frac{dR}{dt} = (1700- 4x)\frac{dx}{dt}$

$\frac{dR}{dt} = (1700- 4*250)*25$

$\frac{dR}{dt} = (1700- 1000)*25$

$\frac{dR}{dt} = 700*25$

$\frac{dR}{dt} = 17500$

5 0

2 years ago

Find the probability the next person you meet was born either on a Monday or a

padilas [110]

Answer: The probability is 2/7.

Step-by-step explanation:

Ok, suppose you meet a random person.

The possible days in which that person was born are the seven days of the week, so the total number of outcomes is 7, and we will assume that the probability is evenly distributed for all the days.

Now, we want to calculate the probability that this person was born on a Monday or a Friday.

So we have 2 possible outcomes out of 7.

Then the probability will be equal to the quotient between number of of outcomes that meet the conditions (Monday and Friday, 2 outcomes) and the total number of outcomes (7)

P = 2/7

5 0

2 years ago

The numbers 1 through 9 are written in separate slips of paper, and the slips are placed into a box. Then, 4 of these slips are

Vadim26 [7]

Let's think of the problem as follows.

Write all the 4-digit numbers that can be formed using the digits from 1 to 9, without repetition, in pieces of paper, and put them in a bag. What is the probability of picking the 4-digit number 1234, among these numbers.

The connection of the 2 problems is as follows:

The 4-digit number, for example 5489, represents drawing first 5, then 4, then 8, then 9 , in the original question.

we did not allow repetition, because for example the number 8918 would represent drawing 8, then 9, then 1 then 8 (again!!), which is not possible, so we lose the connection between the problems.

So there are in total 9*8*7*6= 3024 4-digit numbers, with non-repeating digits.

One of these numbers is 1234 (representing drawing 1, then 2, then 3, then 4)

among these 3024 numbers, the probability of picking 1234 is
$\frac{1}{3024}= 0.00033$

We could have solved this problem also as :

P(drawing 1, 2, 3, 4 in order)= $\frac{1}{9} * \frac{1}{8} * \frac{1}{7} * \frac{1}{6} = \frac{1}{3024}$

Answer: $\frac{1}{3024}= 0.00033$

7 0

2 years ago

Subtract.<br> 32 – (-15)<br> Enter your answer in the box.

Mashcka [7]

The answer is (47) positive 47 because negative plus negative equals to positive

7 0

2 years ago

Read 2 more answers