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SSSSS [86.1K]
3 years ago
10

Please help in this question ‍♀️

Mathematics
1 answer:
Zolol [24]3 years ago
5 0

Answer:

  (-8, -4), (-2, 6), (0, 0), (2, 10), (5, 0)

Step-by-step explanation:

A critical point is a point where the slope is zero or undefined. On this graph, every marked point except (-5, 0) is a critical point.

__

<em>Additional comment</em>

Critical points will be found at local extreme values, places where the tangent is vertical, and places where the slope has a discontinuity (such as (2, 10) and possibly (5, 0)).

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Jack, walker, and trust have $100 altogether. Jack has $20 more than Walker. Trust has $14 more than walker. How much money does
nekit [7.7K]

Answer: Jack has $42

Step-by-step explanation:

Let be "j" the amount of money in dollars that Jack has, "w"  the amount of money in dollars that Walker has and "t"  the amount of money in dollars that Trust has.

You know that they have $100 altogether, then you can write the following equation:

j+w+t=100   [Equation 1]

Jack has $20 more than Walker, then:

j=w+20      [Equation 2]

And  Trust has $14 more than walker, then you can write this equation:

t=w+14      [Equation 3]

Substitute the  Equation 2 and the  Equation 2 into the first one:

j+w+t=100\\\\(w+20)+w+(w+14)=100

Now, solve fo "w":

w+20+w+w+14=100\\\\3w+34=100\\\\3w=100-34\\\\w=\frac{66}{3}\\\\w=22

Finally, substiute the value of "w" into the Equation 2 and evaluate:

j=w+20\\\\j=22+20\\\\j=42

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Step-by-step explanation:

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