A multiplication problem has 1 positive factor and 4 negative factors. What is the sign of the product?
A.
negative
B.
positive
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Parth (parthkohli):
Yes.
OpenStudy (mathstudent55):
In multiplication and division:
An even number of negative signs will give a positive answer.
An odd number of negative signs will give a negative answer.
OpenStudy (mathstudent55):
The number of positive numbers is not important.
OpenStudy (anonymous):
so it is negavtive i got 30 sec left
OpenStudy (mathstudent55):
Is 4 odd or even?
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OpenStudy (anonymous):
even
OpenStudy (mathstudent55):
An even number of negative signs will give a positive answer.
OpenStudy (anonymous):
so it is positive
OpenStudy (mathstudent55):
yes
OpenStudy (anonymous):
got more i need help with can u help
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OpenStudy (anonymous):
The temperature in International Falls, Minnesota, is 9 times colder than the temperature in Cleveland. If the temperature in Cleveland is –2°F, what is the temperature in International Falls?
A.
18°F
B.
–18°F
C.
–11°F
D.
–27°F
OpenStudy (mathstudent55):
start a new post. i'll help with one more, then i have to go.
OpenStudy (mathstudent55):
you need to multiply 9 by -2
what is 9 * 2?
for the sign, notice you have one single negative sign. one is an odd number,.
OpenStudy (anonymous):
i got b
OpenStudy (mathstudent55):
correct
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OpenStudy (anonymous):
ok one me plz
OpenStudy (mathstudent55):
ok, last one
OpenStudy (anonymous):
k
OpenStudy (anonymous):
A business reports a net income of –$3900 over a 6-month period. What is the average income per month for that period?
A.
–$650
B.
$23,400
C.
–$23,400
D.
$650