Which of the following expresses the possible number of positive real solutions for the polynomial equation shown below 5x^3 + x ^2 +7x - 28 = 0
2 answers:
I think the answer is option c.one
there is only one sign change in the whole equation so possiblythe answe must be one. correct me if i am wrong
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Each is 7 long and the whole piece is 56 so we can make 8 down the length and each is 1 wide and the whole things is 3 so that makes 3 across. we multiply these to get 8*3= 24
The polygon would have 24 sides. (n-2)180 = n =24
Answer:
Age= 15
Step-by-step explanation:
Let a be for age at the moment
(a-3)^2 =6(a+9)
a^2-6a+9=6a+54
a^2-12a-45
(a-15)(a+3)
a=15 or a=-3
Age cannot be negative (-)
Therefore
Age =15
Answer:
54
Step-by-step explanation:
Answer:
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