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Mathematics
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OpenStudy (anonymous):
Which statements are true?
Choose all answers that are correct.
A.
–8.93 > –8.4
B.
–0.7 > –6.12
C.
7.1 > 7.24
D.
–3.2 > –3.6
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OpenStudy (mathstudent55):
What do you think of C.? True or false?
OpenStudy (readergirl12):
Its a and c
OpenStudy (readergirl12):
@Sayeonna
OpenStudy (anonymous):
thanks I thought it was c too lol
OpenStudy (mathstudent55):
No. C is false.
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OpenStudy (mathstudent55):
7.1 could be thought of 7.10
Think of $7.10 (7 dollars and 10 cents)
Is 7 dollars and 10 cents more than 7 dollars and 24 cents?
OpenStudy (anonymous):
so it would be b and thanks for telling me i thought it was c
OpenStudy (mathstudent55):
B is true, but it's not the only one.
OpenStudy (mathstudent55):
When you compare negative numbers, pretend they are positive.
Then the one that is larger is really the smaller one.
OpenStudy (mathstudent55):
Let's use A as an example.
-8.93 > -8.4
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OpenStudy (mathstudent55):
Remove the negative signs and get:
8.93 > 8.4
For positive numbers this is true, so for negative numbers it is false.
OpenStudy (mathstudent55):
A is false.
B is true.
C is false.
What about D?
OpenStudy (mathstudent55):
Is 3.2 > 3.6 true or false?
Whatever it is, -3.2 > -3.6 is the opposite.
OpenStudy (anonymous):
so b and d
OpenStudy (mathstudent55):
Yes
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