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Rudiy27
3 years ago
5

If the sum of three consecutive numbers is 1998, what is the first one?

Mathematics
1 answer:
AURORKA [14]3 years ago
5 0

Answer:

666

Step-by-step explanation:

Because I said so.

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How did your position affect the vital capacity of your lungs? Suggest an explanation for any difference you found .
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Translate and simplify the expression the sum of fifteen and a number plus twelve
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3 0
3 years ago
A University has 30,600 students think school counselor estimates that 2% of the students break three on my languages in a rando
xxTIMURxx [149]

Answer:

Counselor's estimate isn't correct.

Step-by-step explanation:

Total number of students in university = 30,600

2% break 3 of the languages

Therefore, 2/100 × 30600 = 612 students break 3 of the languages in the University according to the counselor.

In a random sample of 240 students, 20 break 3 of the languages.

% = 20/240 × 100 = 8.33%

SinceTotal number of students = 30,600

Therefore, 30,600/240 = 127.5

Which means 127.5 × 20 = 2550.

Which means 2550 students break 3 of the languages as against the 612 students stated by the counselor.

4 0
3 years ago
What is the simplified form of this expression?<br> (3 - 13x - 7x?) - (5X2 + 12x - 10)
tatiyna

Answer:

-5x^2-32x+13

Step-by-step explanation:

(3-13x-7x)-(5x^2+12x-10)

3-20x-5x^2-12x+10

-5x^2-32x+13

6 0
3 years ago
Read 2 more answers
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