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Pie
3 years ago
6

a sample of 100 pregnancies were found to take an average of 267 days. the population deviation is known to be 13 days. find a 9

0% confidence interval for the true population mean.
Mathematics
1 answer:
marin [14]3 years ago
4 0
Don’t know I’m just answering thus because it doesn’t let me ask a question unless I answer a random question. Sorry
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If you know the answer to this question please help!! ASAP<br> 7th grade Math
serious [3.7K]

Answer:

22°

Step-by-step explanation:

a right angle have 90°

So

x+68°=90°

=>x=90-68

=22°

3 0
3 years ago
8+9t-3+4 please help me​
g100num [7]

Answer:

t = -1

Step-by-step explanation:

8 + 9t - 3 + 4    

Combine like terms

(8 - 3 + 4) + 9t

9 + 9t

9t + 9

Get <em>t</em> by itself

9t + 9 = 0

     -9    -9

9t = -9

Divide both sides by 9 to find <em>t</em>

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6 0
3 years ago
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Y=6x+3
Y=Mx+b
The slope is 6/m
Y intercept is pos 3
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8 0
3 years ago
What 3*10^4÷2.2*10^3 in scientific notation​
Tanya [424]
1.36*10^7
where the 36 repeats so 36363636363636... and so on
4 0
3 years ago
When converting a percent to a decimal, will there always be two digits after the decimal point? Explain
Goshia [24]

Answer:

No

Step-by-step explanation:

For example, 50% can be written as just 0.5

4 0
3 years ago
Read 2 more answers
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