Mathematics, 13.06.2021 03:30 ari8160

Prove that a natural number is divisible by 9 if and only if its sum of digits is divisible by 9.

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 15:00

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Answers: 1

Answer

Mathematics, 21.06.2019 16:30

Why do interests rates on loans to be lower in a weak economy than in a strong one

Answers: 2

Answer

Mathematics, 21.06.2019 20:30

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent

Answers: 1

Answer

Mathematics, 21.06.2019 21:30

Having a hard time understanding this question (see attachment).

Answers: 2

Answer

You know the right answer?

Prove that a natural number is divisible by 9 if and only if its sum of digits is divisible by 9....

Questions

Social Studies, 25.01.2020 01:31

In the united states, two primary developments have fueled education reform efforts: a. higher academic standards and financial demands on the school...

Business, 25.01.2020 01:31

In the past 5 years, the cost of producing 4k televisions has decreased. at the same time, many consumers are opting to watch television programs on t...

Engineering, 25.01.2020 01:31

Ascrubber on a coal-fired power plant is useful to remove a. sulfur dioxide. b. carbon dioxide. c. particulate matter....

Computers and Technology, 25.01.2020 01:31

You just finished upgrading a video card in a pc. when you reboot the system, nothing displays on the screen. what is the cause of this cr...

Medicine, 25.01.2020 01:31

In liver, glucagon stimulates glycogen breakdown via camp. although you might expect glucagon to stimulate catabolism of the glucose formed as well, g...

Business, 25.01.2020 01:31

The pmo is used to maintain and provide a cadre of skilled and trained project professionals as needed under the: a) control tower model....

English, 25.01.2020 01:31

In the case below, the original source material is given along with a sample of student work. original source material: major changes within organizat...

Computers and Technology, 25.01.2020 01:31

Write a statement that assigns treeheight with the height of a tree given the distance from the tree (in feet) and angle of elevation (in degrees).

Mathematics, 25.01.2020 01:31

Consider the simple linear regression model yi=β0+β1xi+ϵi, where ϵi's are independent n(0,σ2) random variables. therefore, yi is a normal random varia...

History, 25.01.2020 01:31

Where did martin luther king jr say the ultimate measure of a man is not where he stands in moments of convenience and comfort, but where he stands at...

Mathematics, 25.01.2020 01:31

In exercises 1–6, write the first five terms of the sequence whose th term is given. 1. a_n = 3^n 2. a_n = (-2/5)^n 3. a_n = sin n...

Business, 25.01.2020 01:31

In order to defer deductions for manufacturing costs until the finished products are sold, congress enacted rules specifying that the cost of raw mate...

English, 25.01.2020 01:31

In the case below, the original source material is given along with a sample of student work. determine the type of plagiarism. original source materi...

Business, 25.01.2020 01:31

Although some gains have been made in reducing the rate of malnourishment in some lower-income nations, about people around the world are malnourishe...

Biology, 25.01.2020 01:31

In producing transgenic plants, cells called protoplasts are often used. protoplasts are plant cells from which the cell wall has been removed. why wo...

Computers and Technology, 25.01.2020 01:31

Consider the following two c# code segments: segment 1 segment 2 int i = 0; for (int i = 0; i < = 20; i++ ) while ( i < 20 ) { { console. w...

Health, 25.01.2020 01:31

Apolicyowner has a health insurance policy with his wife listed as the primary beneficiary. he would like to change the primary beneficiary to his sis...

Mathematics, 25.01.2020 01:31

Powers of 10 make it very easy to write large and small numbers, but as a result it can also be easy to forget the large differences between different...

Biology, 25.01.2020 01:31

Name a degenerative joint disease in which the body’s immune system mistakenly attacks its own tissue in the joint or organs....

Business, 25.01.2020 01:31

Diana owns a bakery where she sells cupcakes. two blocks down there is another bakery, cc's bakery, that sells cupcakes for $1 less than diana. diana...

More questions: Mathematics Another questions