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Tanaya S.
Tutor for seven years
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Pre-Calculus
TutorMe
Question:

According to Descartes' Rule of Signs, can the polynomial function have exactly 0 positive real zeroes? Choose your answer based on the rule only. f(x) = x^3–7x^2–4^x–4

Tanaya S.
Answer:

No

ACT
TutorMe
Question:

A car averages 27 miles per gallon. If gas costs $4.04 per gallon, how much would the gas cost for this car to travel 2,727 typical miles?

Tanaya S.
Answer:

$408.04

Algebra
TutorMe
Question:

Rosa wants to buy a charm bracelet. Rockport Fine Jewelry charges $5 per charm, plus $25 for the bracelet. Pennington Jewelers, in contrast, charges $6 per charm and $20 for the bracelet. If Rosa wants to add a certain number of charms to her bracelet, the cost will be the same at either jewelry shop. What would the total cost of the bracelet be?

Tanaya S.
Answer:

$50

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