Suppose 6 is a factor of ab, where a and b are natural numbers. Make a valid argument to explain why each assertion is true or provide a counterexample to show that an assertion is falsea. 6 must be a factor of a or of b
b. 3 must be a factor of a or of b
c. 3 must be a factor of a and of b

please help and show work

Answers

Answer 1
Answer: example
if ab=6
and a=3
b=2

a. 6 must be factor of 3 or 2 FALSE
b. 3 must be a factor of 3 OR 2 TRUE
c. 3 must be a factor of 3 AND 2 FALSE



B is true

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If z = -7, what is the value of (-8z) - z?

Answers

Answer:

63

Step-by-step explanation:

you will plug in -7 for both z's

(-8(-7) - (-7)

following PEMDAS you will do multiplication first

(-8(-7) = 56

now we have 56 - (-7)

since - and - make a positive it will be

56 + 7 = 63

Please help! Correct answer only!For a fundraiser, there is a raffle with 100 tickets. One ticket will win a $150 prize, and the rest will win nothing. If you have a ticket, what is the expected payoff?


$ ___

Answers

Answer:

Expected Payoff ⇒ $ 1.50 ; Type in 1.50

Step-by-step explanation:

Considering that 1 out of the 100 tickets will have a probability of winning a 150 dollar prize, take a proportionality into account;

100 - Number of Tickets,\n1 - Number of Tickets You Can Enter,\n\n1 / 100 - Probability of Winning,\n$ 150 - Money Won,\n\nProportionality - 1 / 100 = x / 150, where x -

Thus, Solution ; Expected Payoff ⇒ $ 1.50

2:5 and 30:20 are equal ratios. True or false

Answers

The answer is false.
For being in equal ratios, product of means = product of extremes
2:5 :: 30:20
2 × 20 = 30 × 5
40 ≠ 150
So, its false since they are unequal.

A full moon occurs every 30 days if the last full moon occurred on Friday how many days will pass before full moon occurs again on a Friday

Answers

Not sure but I think it will need 210 days

Karoline needs to jog 30.5 miles over the next 7 days to train for a race. She plans to jog 4.25 miles each day. Use the drop-down menus to complete the statements about her race training.

Answers

I don't understand what you mean by the second part but if she ran 4.25 miles a day she would only fun 29.75 miles in 7 days not 39.5

Answer:

1000000000000000000000000000000000000000000

Step-by-step explanation:

Round it to nearest tenth 0.73913

Answers

Hi, 
17/23 in decimal form is about 0.73913043478. So if you round it to the nearest thousandth, it will be 0.739. 

Hope this helped, 

Final answer:

Rounding the number 0.73913 to the nearest tenth gives us 0.7. This is determined by the digit in the hundredths place, which in this case is 1, telling us to leave the digit in the tenths place as it is.

Explanation:

To round the number 0.73913 to the nearest tenth, we look at the digit in the hundredths place, which in this case is 1. We can follow a simple rule: if the digit in the hundredths place is 5 or above, we round the digit in the tenths place up. However, if the digit in the hundredths place is 4 or below, we leave the digit in the tenths place as it is. In this case, the digit in the hundredths place is 1, which is less than 5, so we leave the digit in the tenths place as it is. Therefore, when rounded to the nearest tenth, 0.73913 becomes 0.7.

Learn more about Rounding Numbers here:

brainly.com/question/28562556

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