Para los juegos deportivos del TVS han inscrito 70 deportistas de los cuales 36 calificaron para atletismo, 38 para fútbol y 38 para natación; además 17 calificaron para atletismo y fútbol; 19 para fútbol y natación y 16 para natación y atletismo. Si 8 deportistas no clasificaron a ninguno de estos deportes, ¿cuántos clasificaron para las 3 disciplinas deportivas?

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step-by-step explanation:

you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.

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wow ok so the answer is 1k or just k

because of combining like terms xd

third choice down

step-by-step explanation:

the first inequality is based on the number of adults and campers, and the second inequality is based on the cost of feeding both the adult and the camper.

we know that there is room for 525 people max.   it's ok to have less than 525, but it's not ok to have more than 525, so the inequality is less than or equal to.   the number combination of adults (x) and campers (y) cannot exceed this 525 max.   therefore:

x + y ≤ 525

now we talk about cost.   it costs $9 to feed one adult, so depending upon the number of adults you have (x) depends upon how much it will cost to feed that number of adults.   same with the campers, who cost $5 to feed.   the adults can be represented by 9x and the campers can be represented by 5y.   since the budget cannot exceed 1,200, the second inequality is:

9x + 5y ≤ 1200