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jolli1 [7]
3 years ago
9

Jason is a used-car salesman who sells domestic and foreign cars. He earns $7,000 for each domestic car sold and loses $3,500 fo

r each foreign car sold. Due to certain business commitments, Jason has to sell at least 10 foreign cars each month. He needs to make at least $17,000 each month to cover his expenses. Which graph shows the number of cars he has to sell each month to at least cover his expenses?
Mathematics
1 answer:
Yakvenalex [24]3 years ago
7 0

Answer:Graph C I believe so

Step-by-step explanation:

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What is the value of x in trapezoid ABCD
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So the trapezoid has 2 parallel sides making segments AD and BC  transversals

Therefore making angle c and angle b add up to 180

(180-3x) + 3x + 180-9x +9x

180 +12x = 360

180= 12x
x= 15

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Find the radius or diameter of the circle with the given dimensions
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I don't how to do this but check Quizlet‍♂️

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Can the sides of a triangle have lengths 3, 6, and 14?
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No,  the first two numbers have to be more than the last number when added up.

Step-by-step explanation:

7 0
3 years ago
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I need help with this
andre [41]

Answer:

  f(x)=\dfrac{(x+3)(x-1)^2}{(x+4)(x+3)(x-2)^2}

Step-by-step explanation:

Each vertical asymptote corresponds to a zero in the denominator. When the function does not change sign from one side of the asymptote to the other, the factor has even degree. The vertical asymptote at x=-4 corresponds to a denominator factor of (x+4). The one at x=2 corresponds to a denominator factor of (x-2)², because the function does not change sign there.

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Each zero corresponds to a numerator factor that is zero at that point. Again, if the sign doesn't change either side of that zero, then the factor has even multiplicity. The zero at x=1 corresponds to a numerator factor of (x-1)².

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Each "hole" in the function corresponds to numerator and denominator factors that are equal and both zero at that point. The hole at x=-3 corresponds to numerator and denominator factors of (x-3).

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Taken altogether, these factors give us the function ...

  \boxed{f(x)=\dfrac{(x+3)(x-1)^2}{(x+4)(x+3)(x-2)^2}}

8 0
3 years ago
Robin has triple as many marbles Amy. Sam has 15 more marbles than robin. Together they all have 99 marbles. How many marbles do
tigry1 [53]
Let:     x be Amy's marbles
         3x be Robin's marbles
   15+3x be Sam's marbles
x+3x+15+3x=99
          7x+15=99
                7x=99-15 (transfer 15 to the right side of the equation, then minus)
             7x/7=84/7 (divide both sides of the equation by 7)
                  x=12
Now substitute:
                             x = 12 (Amy's)
                3x = 3*12 = 36 (Robin's)
   15+3x  = 15+3*12 =  51 (Sam's)
               12+36+51 = 99
Therefore, Amy has 12 marbles, Robin has 36 marbles and Sam has 51 marbles.
5 0
3 years ago
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