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klemol [59]
3 years ago
12

In 1971 the us dollar became part of the total fiat system meaning what?

Mathematics
1 answer:
Pie3 years ago
3 0

Answer:

Step-by-step explanation:

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Put in order from greatess to least 0.275 0.2 0572 0.725
Mnenie [13.5K]

Answer:

0.725,0.52,0.275,0.2

Step-by-step explanation:

4 0
3 years ago
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Find the radius of a circle in which the central angle of (pie /4 ) radian determines a sector with an area of 86m^2
LenKa [72]
Area of sector  = 1/2 * r^2 * x   where r = radius and x = angle in radians

86 = 1/2 * r^2 * pi/4

r^2 = 2 * 86 * 4  / pi  =  219

r =  sqrt 219

= 14.80
6 0
3 years ago
A private opinion poll is conducted for a politician to determine what proportion of the population favors adding more national
Ksju [112]

Answer:

n≅376

So sample size is 376.

Step-by-step explanation:

The formula we are going to use is:

n=pq(\frac{z_{\alpha/2}}{E})^{2}

where:

n is the sample size

p is the probability of favor

q is the probability of not in favor

E is the Margin of error

z is the distribution

α=1-0.98=0.02

α/2=0.01

From cumulative standard Normal Distribution

z_{\alpha/2}=2.326

p is taken 0.5 for least biased estimate, q=1-p=0.5

n=0.5*0.5(\frac{2.326}{0.06})^{2}\\n=375.71

n≅376

So sample size is 376

4 0
3 years ago
Help me please!!!!!!
maks197457 [2]

To find the median, find the middle number. Since there are 10 numbers, find the 5th one and the 6th one and find their average.

The two numbers are both 9, so its safe to say that the median is 9.

to find the median of the first and quartile, you have to place a line where the median should be and find the median of that. Q1 and Q2 will be 5 and 11 (respectively).

Its easy to see that all the lines start at the lowest point given and end at the largest point given, so match Q1, the median, and Q3

The only line that has lines at the Q1, median, and Q3 we figured out is answer C, so therefore it is the answer.

8 0
3 years ago
HELP I need the know if it's going across the y or going across the x don't send no FILE ONLY ANSWER IF YOU REALLY KNOW question
spayn [35]

Answer:

Step-by-step explanation:

Question 3 Reflects over x acis

Question 5 reflects over y axis

3 0
3 years ago
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