Answer:
Step-by-step explanation:
(x-3)(x-4)/(x-4)
The (x-4)'s divide out.
The number of persons added to the population rises annually if the population's growth rate, r, is positive and stable.
Given statement,
If the growth rate r of a population is positive and remains constant, the number of people added to the population,
In the given case the solution will be the number of people added to the population " increases each year ".
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Answer:
x = 8
Step-by-step explanation:
-4 + 8x = 6x + 12
Subtract 6x from both sides
-4 + 2x = 12
add 4 to both sides
2x = 16
x = 8
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Answer:
-42 ≤ x ≤ 102
Step-by-step explanation:
Compound from the fact that we're combining x≤42 and x≤102.
Answer:
Of the 777 rounds of the game in about 368 the ball will land in a red slot.
Step-by-step explanation:
Since a roulette wheel has 383838 slots, of which 181818 are red, 181818 are black, and 222 are green, and in each round of the game, a ball is tossed in the spinning wheel and lands in a random slot, supposing we watch 777 rounds of this game, to determine the approximate number of rounds where the ball lands in a red slot, the following calculation must be performed:
383838 = 100
181818 = X
181818 x 100/383838 = X
18,181,800 / 383838 = X
47.3684 = X
100 = 777
47.3684 = X
47.3684 x 777/100 = X
36,805.24 / 100 = X
368.05 = X
Therefore, of the 777 rounds of the game in about 368 the ball will land in a red slot.
