Three years ago, dedrick's age was a third of francisca's age. in 13 years, francisca's age will be twice dedrick's age. how old
1 answer:
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Answer:
Step-by-step explanation:
Since this sequence starts with -5 and decreases by 2 with each term, its rule would be:
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Answer:
Step-by-step explanation:
The given quadratic equation is :
One of the roots of this equation is twice that of the other. Let the roots are ,
Sum of roots,
Product of roots,
If ,
So, the value of k is equal to .