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frutty [35]
3 years ago
11

Identical twins happen once

Mathematics
2 answers:
Mamont248 [21]3 years ago
6 0

Answer:

I think at least 357

Correctme if im wtong

Arte-miy333 [17]3 years ago
5 0

Answer:

11

Step-by-step explanation:

if there are twins born every 250 births take your large number (2,750) and divide it by 250 to get your answer

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How many integers between 10000 and 99999, inclusive, are divisible by 3 or<br> 5 or 7?
Yuki888 [10]

Answer: Hence, there are approximately 48884 integers are divisible by 3 or 5 or 7.

Step-by-step explanation:

Since we have given that

Integers between 10000 and 99999 = 99999-10000+1=90000

n( divisible by 3) = \dfrac{90000}{3}=30000

n( divisible by 5) = \dfrac{90000}{5}=18000

n( divisible by 7) = \dfrac{90000}{7}=12857.14

n( divisible by 3 and 5) = n(3∩5)=\dfrac{90000}{15}=6000

n( divisible by 5 and 7) = n(5∩7) = \dfrac{90000}{35}=2571.42

n( divisible by 3 and 7) = n(3∩7) = \dfrac{90000}{21}=4285.71

n( divisible by 3,5 and 7) = n(3∩5∩7) = \dfrac{90000}{105}=857.14

As we know the formula,

n(3∪5∪7)=n(3)+n(5)+n(7)-n(3∩5)-n(5∩7)-n(3∩7)+n(3∩5∩7)

=30000+18000+12857.14-6000-2571.42-4258.71+857.14\\\\=48884.15

Hence, there are approximately 48884 integers are divisible by 3 or 5 or 7.

5 0
3 years ago
The table shows distances run by Jeremy and Mateo in particular amounts of time.
saveliy_v [14]

Answer:

Step-by-step explanation:

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8 0
3 years ago
How many 7 digit phone numbers are there assuming the first digit can't be a 0 or a 1?
Anettt [7]
The first digit can be any one of the numbers 2-9 That a total of 8 numbers.

The next 6 digits can be any permutation of 6  from the numbers  0 to 9.
(10 numbers)

nPr  =  n! / r!

so here we have  10P6  = 10! / 6!  =  10*9*8*7  =  5040

So final answer  is 8 * 5040 = 40,320
7 0
3 years ago
Add 238 and 12, then multiply by 3. Interpret the expression.
Volgvan

Answer:

3(238+12) is the expression

Step-by-step explanation:

hope this helps

4 0
3 years ago
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Ostrovityanka [42]
X=22

Area is found by multiplying (x+7)and (2x-1) together. 22+7=29, 2(22) -1 = 43, 43+29=72
3 0
3 years ago
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