Which multiplication has a negative answer?
A) (-1)(-1)
B) (-1)(-1)(-1)(-1)
C) (-1)(-1)(-1)(-1)(-1)
D) (-1)(-1)(-1)(0)
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OpenStudy (griefer101):
negative times a negative is always a positive so it would most likely be C
OpenStudy (griefer101):
because there are five negitive numbers
OpenStudy (amirahlovespink):
thx
OpenStudy (amirahlovespink):
help with more?
OpenStudy (griefer101):
sure
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OpenStudy (atrineas):
Well it would be c because
-1*-1=1*-1=-1*-1=1*-1=-1
OpenStudy (mathmale):
Please post each new question separately.
OpenStudy (amirahlovespink):
In the neighborhood park there is a circular grassy picnic area, but half of the grass has died. The city wants to replant the grass, but needs to know the square footage of the damaged area. If the circular picnic area is 150 feet across, what is the square footage of the damaged area? Let π = 3.14. A) 471 sq. feet B) 8831.25 sq. feet C) 17662.5 sq. feet D) 35325 sq. feet
OpenStudy (amirahlovespink):
oh @mathmale sry
OpenStudy (mathmale):
thank you for understanding.
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