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Mathematics 11 Online
OpenStudy (juana02):

help with Determine whether the statement is true or false. Modify each false statement to make it a true statement. If a number is not divisible by 10, then it is not divisible by 5.

OpenStudy (dtan5457):

do you think this is true or false?

OpenStudy (juana02):

i think its false

OpenStudy (juana02):

@dtan5457

OpenStudy (dtan5457):

Why is that?

OpenStudy (dtan5457):

Give me an example of why this would be false.

OpenStudy (dtan5457):

lol on a quick note, you are right, but i just want you to understand the concept.

OpenStudy (juana02):

im having trouble grasping the concept :/

OpenStudy (dtan5457):

If a number is not divisible by 10, then it is not divisible by 5.

OpenStudy (dtan5457):

take an example

OpenStudy (dtan5457):

20 for example 20 divided by 10= 2 20 divided by 5=4 this makes this statement false.

OpenStudy (dtan5457):

If a number is not divisible by 10, then it is not divisible by 5. all you have to do is invert this statement.

OpenStudy (juana02):

ok invert it like this if a number isnot divisble by 5, then it is not divisble by 10?

OpenStudy (dtan5457):

no.... just remove the not's from If a number is not divisible by 10, then it is not divisible by 5.

OpenStudy (juana02):

20 for example 20 divided by 10= 2 20 divided by 5=4 this makes this statement false. you confused me here in this example can you explain?

OpenStudy (dtan5457):

If a number is not divisible by 10, then it is not divisible by 5. this doesn't include decimals, radicals, and what not, right?

OpenStudy (dtan5457):

if so, this statement would be false because you cant divide 5 by 10 but you can divide 5 by 5

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