Two cars start at the same time, but travel in opposite directions. One car's average speed is 50 miles per hour (mph). At the end of 4 hours, the two cars are 520 miles apart. Find the average speed in mph of the other car. (Enter an exact number.)

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A: Given:   f(x) = -4x2

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Q: 4. The sum of two positive numbers is 30. One of the numbers is multiplied by the square of the othe...

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A: Find an equation for the line perpendicular to 2x+12y=108 and goes through the point (−8,−3)

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Q: 3. (2x4 + x³ – 11x² – 4x + 12) ÷ (x – 1)

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Q: Exercises 1–10: Express the following in interval notation. 1. x < 2 3. x 2 - 1 5. {x | 1 s x < 8}

A: 1. x&lt;23. x≥-15. x|1≤x&lt;8

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Q: If Charlie ran 5 kilometers, how many centimeters is that?

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Q: 4 3 Evaluate the expression when x= and y=- 15 10 2y-x Write your answer in simplest form. 믐 마음

A: The above given  expression is answered below

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Q: Consider the Venn diagram shown below. A В 8 5 2 12 10 4 11 Determine the following cardinalities. 2...

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Q: U = {x|x EN and x < 30} A= {even numbers} B= {multiples of 4} C = {prime #s} D= {odd multiples of 3}...

A: Given:_ U={xx∈N and x&lt;30} A={even numbers} B={multiples of 4} C={prime numbers} D={odd multiples ...

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Q: General Direction: Answer the following items as instructed. 1. The following relations defined on Q...

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Q: onsider the Venn diagram shown below.   Determine the following cardinalities. n(¯C)=  ? n(A∪B)=

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Q: х — 1 x2 + 8x + 15 5х —7 (x – 3)³ x + 4 x3 + 2x

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A: Given:    C(x) = 3.25x + 75      R(x) = 4.35x 

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Q: The graphs of two functions f and g are shown below. 3 3

A: The given graph is:

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Q: Given the function f(1) = f(x + h)- f(x) Find the difference quotient f(z + h) – f(x) Find f'(x) by ...

A: Here, the given function is: f(x)=-3x2

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Q: х — 1 x2 + 8х + 15

A: To find the partial fraction decomposition of the given rational expression.x-1x2+8x+15

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Q: Find a o that works for ɛ = 0.01 for the following limit. lim 5z - 8 = 12

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