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Maurinko [17]
3 years ago
7

What is 21/8+17/8 equal to

Mathematics
2 answers:
Firlakuza [10]3 years ago
5 0
21/8+17/8=38/8
simplest form: 4 and 3/4
mamaluj [8]3 years ago
3 0
38/8 is the answer and to turn it into a mixed number you will  have to 4 6/8
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How Many Close Confidants Do People Have? In a recent study,1 2006 randomly selected US adults (age 18 or older) were asked to g
yaroslaw [1]

Answer:

0.08065

Step-by-step explanation:

Given that in a recent study,1 2006 randomly selected US adults (age 18 or older) were asked to give the number of people in the last six months with whom you discussed matters that are important to you.

If X is random variable then X has mean 2.2 and s = 1.4

n=2006

Std error of mean =\frac{1.4}{\sqrt{2006} } \\=0.03126

For 99% since sample size is large, t and z distn almost coincide.

Hence we can take 2.58 as critical value

Margin of error at 99% =2.58*0.03126\\=0.08065

7 0
2 years ago
Which term can be added to the list so that the greatest common factor of the three terms is 12h3?
ioda
The term that can be added to the list so the GCF is 12h3 would be 48h5.

The reason being is that 48 is first divisible by 12 and does not yield a fraction, and we can remove upon dividing 3 h's from this term as it contains a total of 5 h's.
3 0
3 years ago
Read 2 more answers
Rita bought fabric and ribbon from a store the ribbon cost $18.50 rita paid the cashier $50.00 and received change of $5.25 how
AVprozaik [17]
1.Rita spent $26.25 on fabric.


2. I know this because...
   - First, I subtracted the cost of the ribbon from how much she paid.
        · Equation: $50.00 - $18.50 = $31.50
   
   - Second, I subtracted the change received by the reduced cost ($31.50)
       · Equation: $31.50 - $5.25 = $26.25

3. So, the final amount of money Rita spent on fabric is $26.25.
______________________________________________________________

I am 99.9% sure that this is the correct answer. If for some reason my answer is incorrect, I am truly sorry, and please forgive me. Thank You!
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2 years ago
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3 0
2 years ago
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a theater has 30 rows with 27 seats in the first row, 31 in the second row, 35 in the third row, and so forth. How many seats ar
mrs_skeptik [129]

Answer:

Question relates to a Arithmetic Sequence {30,32,34...} where d = 2

and the terms are the enumber of seats in each row.

S%5Bn%5D=%28n%2F2%29%282%2Aa%5B1%5D%2B+%28n-1%29d%29  |Sum of the seats in the 26 rows.

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Step-by-step explanation:

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2 years ago
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