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PilotLPTM [1.2K]
3 years ago
13

Carlos bought an item online for $160 and he was charged $8 fee for shipping. What was the percent of the sale was the shipping

fee
Mathematics
1 answer:
prohojiy [21]3 years ago
6 0
Shipping charge was 5%
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Thomas creates the table shown to represent the function ƒ(x) = x2 + 3x - 10. determine the zeros of the equation.
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Answer: A

Explanation: The zeroes of f(x) are the value/s of x such that f(x) = 0. So, we need to find the values of x in the equation f(x) = 0.

Note that

f(x) = 0
⇔ x² + 3x - 10 = 0

By factoring into binomials, x² + 3x - 10 = (x + 5)(x - 2). Thus, 

x² + 3x - 10 = 0
⇔ (x + 5)(x - 2) = 0
⇔ x + 5 = 0 or x - 2 = 0
⇔ x = -5 or x = 2

Hence, the zeroes of x are  -5 and 2. 
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Step-by-step explanation:

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Y=2x-4 what is say the y intercept?
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There are four times as many girls in a chemistry class as there are boys. if there are 45 students in the class, how many boys
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In order to determine the number of boys in the class, first, we set-up an algebraic equation. Let x = number of boys in the class. The equation is then: x + 4x = 45. This is because the number of girls is 4 times greater than the number of boys. After solving the algebraic equation, it is then determined that there are 9 boys in the Chemistry class.   
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