marwilliams78 marwilliams78

06-05-2015
Mathematics

Answered

Which is a counterexample to the conjecture?

Any number that is divisible by 3 is divisible by 9.

63

69

18

27

Answer :

12-06-2015

From the bottom up:

-- Is 27 a counter example ? No. It's divisible by 3 and also by 9 .

-- Is 18 a counter example ? No. It's divisible by 3 and also by 9 .

-- Is 69 a counter example ? Yes ! It's divisible by 3, but not by 9 .

-- Is 63 a counter example ? No. It's divisible by 3 and also by 9 .

Answer Link

03-03-2020

Answer:

69 IS CORRECT

Step-by-step explanation:

Answer Link

Other Questions

When b > 1, as x grows in the negative direction, y . When 0 < b < 1, as x grows in the negative direction, y .

Race is the result of genetic concordance. Racial traits are inherited together. One trait predicts the other. a) trueb) false

What is the potential health risk associated with consuming slightly undercooked chicken?A) Increased risk of diabetesB) Increased risk of salmonella infectionC

As the supervisor of the final assembly group, you notice that your rate of rework has steadily risen the last few weeks. You want to fix this problem. Your bes

Anna Mae is 72 years old. She recently became a volunteer for Habitat for Humanity when a project was introduced to her group of friends at the Senior Community

Select the equivalent expression.[tex]\[ \left(2^{-4} \cdot z^{-3}\right)^5 = ? \][/tex]Choose one answer:A. [tex]\( 2 z^2 \)[/tex]B. [tex]\( \frac{1}{2^{20} \c

Which organization commonly uses the democratic leadership style? a. Non-profit b. IT c. Marketing d. Human resources

If Magic Marketing created and placed a series of radio advertisements promoting SHCC and wanted to test whether Tom Izzo was effective at generating interest,

For which of the following reasons might a child refuse to go to school? a. School phobia b. Separation anxiety c. Social phobiad. All of the above

You are attending a local Chamber of Commerce event when the person you are talking tells you about a new business idea he has. He is planning on opening a "mob

what are all products in a multiplication table that appear twice

The Industrial Revolution deterred people from moving to the cities because of the pollution that the machines and factories were emitting. TRUE FALSE This is a

She agreed to become a spy for the federal government and moved to Beaufort, S. C. in 1862 to a Union army stronghold there. By traveling the terrain disguised

Two beakers A and B contain plain water and concentrated sugar solution respectively. Equal number of dried raisins are kept in them for some time and then take

According to the system of binomial nomenclature, which of the following is a properly written scientific name? A Acer rubrum B Acer Rubrum C Acer rubrum D acer

Describe the function of the HPG axis and its role in the malereproductive system. a. How does it regulate hormone release?

One reason there are so many different units to measure amounts of pollutions is that there are regulations that define safe and lethal limits for different typ

A sporting goods company made 600 paddle boards and found that 8 were defective. If the company makes 1,300 paddle boards, how many do you predict will be defec

The earth is divided into How many climatic zones in each hemisphere

The prevailing climate over Cuba is.a. Tropical Rainforestb. Trópical Savannac. Humid Subtropicald. Mediterranean