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vlada-n [284]
3 years ago
12

The standard deviation assumes a negative value when

Mathematics
1 answer:
rosijanka [135]3 years ago
8 0

... when the universe grows cold. (Or someone made a typesetting mistake.)

Standard deviation is the square root of a non-negative number. It will NEVER be negative.

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5-p=r-3 multi step equation
const2013 [10]

Answer:

r+p=-8

Step-by-step explanation:

5-p=r-3

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8-p-r=0

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I really need help with this question
Sergeu [11.5K]

Answer:

39

Step-by-step explanation:

I assume the father's age is a 2-digit number. He is not 9 years old or younger, and he is not 100 years old or older.

The sum of the digits of a two-digit number goes up by 1 from one number to the next unless the number ends in 9.

For example, from 17 to 18, the sum of the digits goes from 8 to 9.

If the number ends in 9, for example, 29, the digits add to 11. Then the next number is 30, and now the sum of the digits is 3, which is less than 11.

The father's age now is a number whose sum of digits is not only greater than the sum of the digits next year, but it is 3 times greater.

Let's look at 2-digit number and the next number and the sum of their digits.

19, 20; sums: 10, 2; 10/2 = 5, not 3

29, 30; sums: 11, 3; 11/3 ≠ 3

39, 40; sums: 12, 4; 12/4 = 3

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5 0
2 years ago
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Explain how two amounts of change can be the same but the percent of change can be different
densk [106]
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2. Find the surface area of the solid
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3 years ago
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