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slega [8]
3 years ago
5

Which number has the same value as 28 tens? 28 or 280

Mathematics
1 answer:
KIM [24]3 years ago
3 0
28 because we are talking about TENS meaning there can only be 2 digits
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The slope of a line is and the y-intercept is (0, 6). What is the equation of the line in slope-intercept form?
zepelin [54]

Answer:

y=x+6

Step-by-step explanation:

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2 years ago
Roman purchased 2 1/2 pounds of chocolate covered peanuts for $9.75. What was the price per pound??? PLEASE HELP ME
timurjin [86]

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$3.90 per lbs

Step-by-step explanation:

9.75/2.5

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Find the complete factorization of the expression.
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It well be B.) they all have a factor of 2
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Jack is 4 times as old as lacy. 4 years ago the sum of their ages was 22. How old are they now
r-ruslan [8.4K]

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3 years ago
How many integers between 100 and 999 (inclusive) have distinct digits
daser333 [38]

Answer:

648

Step-by-step explanation:

Running this in Python, with the code as follows,

import math

cur_numbers = [0] * 3

num = 0

for i in range(100, 1000):

   cur_numbers[2] = i % 10

   i = math.floor(i/10)

   cur_numbers[1] = i % 10

   i = math.floor(i/10)

   cur_numbers[0] = i % 10

   if(len(set(cur_numbers)) == 3):

       num += 1

       print(cur_numbers)

       

print(num), we get 648 as our answer.

Another way to solve this is as follows:

There are 9 possibilities for the hundreds digit (1-9). Then, there are 10 possibilities for the tens digit, but we subtract 1 because it can't be the 1 same digit as the hundreds digit. For the ones digit, there are 10 possibilities, but we subtract 1 because it can't be the same as the hundreds digit and another 1 because it can't be the same as the tens digit. Multiplying these out, we have

9 possibilities for the hundreds digit x 9 possibilities for the tens digit x 8 possibilities for the ones digit  = 648

5 0
2 years ago
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