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Darya [45]
2 years ago
11

Select all the correct answers.

Mathematics
1 answer:
IgorLugansk [536]2 years ago
3 0
ANSWER : -8x + 56
i got it correct on my test
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A building casts a shadow that is 420 meters long. At the same time, a person who is 2 meters tall casts a shadow that is 24 met
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Answer: <u><em>The building is 35 meters tall.</em></u>

Step-by-step explanation:

<em>420 </em><u><em>divided by </em></u><em>24 is 17.5   </em>

<em>17.5 </em><u><em>x </em></u><em>2 is 35 </em>

<em>(im multiplying by two because it says that a person who is 2 meters tall casts a shadow that is 24 meters long. ***)</em>

<em />

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Step-by-step explanation:

7 0
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A. You would first plot the y intercept.  The first equation would be (0,-8) and the second equation is (0,-11).  Then you would plot the slope.  For the first equation, from (0,-8), you would move up 3 plots and right 1 plot.  For the second equation, from (0,-11), you would move up 9 plots and right 1 plot.

B. The solution to the pair of inequalities is (1/2, -13/2).  That is the intersection and point of the two lines.  You would need to graph the two lines (see part A answer) and then find the intersection.  

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