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posledela
3 years ago
11

What is .31313131.... as a fraction and decimal?

Mathematics
1 answer:
AleksandrR [38]3 years ago
7 0
31313131/100000000 is the answer if I did my math right
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What is the value of y?
NNADVOKAT [17]

Answer:

y = 40

Step-by-step explanation:

Lets make an equation to represent the sum of the angles:

We know that the sum of angles of triangles equals 180 degrees. So based on this knowledge, the equation is :

2y + y + 10 + 50 = 180


Now we simplify:

2y + y = 3y


10 + 50 = 60


So our new equation is 3y + 60 = 180

Now all we have to do is simplify:

3y + 60 = 180

3y + 60 -60 = 180 - 60

3y = 120

3y / 3 = 120 / 3

y = 40


So the answer is 40 hope this helped


7 0
3 years ago
For a normal population with a mean of m = 80 and a standard deviation of s = 10, what is the probability of obtaining a sample
igomit [66]

what do pre and post test studies look at?data collected on the same sample elements before and after some experiment is performedwhen are the t procedures exactly correct?when the pop is exactly Normal (rare)the t procedures are robust to small deviations from Normality, butthe sample must be a random sample from the pop
5 0
3 years ago
Write 0.614¯¯¯ as a fraction in simplest form.
Verizon [17]

Answer:

307/500

Step-by-step explanation:

307 is a prime number.

The way to find this out is to take 0.614 and multiply it by 1,000 because then it will be a natural number. 0.614*1,000=614.

now you take 614/1,000 because that's what you multiplied it by and simplify it.

614/2 and 1,000/2=307/500 and this cannot be simplified any more than this because 307 is a prime number.

5 0
3 years ago
A^2+b^2=9 , a+b=? with the method ​
soldier1979 [14.2K]

Answer:

3

Step-by-step explanation:

a^2+b^2=9

(a+b)^2=9

finding the square root on both sides of the equation

a+b=3

5 0
3 years ago
(help) During a snowstorm the temperature drops from 0 F to - 7 in 7 hours on average by how many degrees is the temperature cha
irakobra [83]

Answer:-1

Step-by-step explanation:

I got it wrong and it said that that is the right answer

5 0
3 years ago
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