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Vika [28.1K]
3 years ago
6

Square root of seven

Mathematics
2 answers:
SashulF [63]3 years ago
7 0

Answer:

Decimal: 2.645751

Step-by-step explanation:


-Dominant- [34]3 years ago
6 0
2.64575131106 is the answer
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The average cost of tuition, room and board at small private liberal arts colleges is reported to be $8,500 per term, but a fina
Vlada [557]

Answer:

The test statistic for this test is 3.82.

Step-by-step explanation:

The null hypothesis is:

H_{0} = 8500

The alternate hypotesis is:

H_{1} > 8500

Our test statistic is:

t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

In which X is the sample mean, \mu is the value tested at the null hypothesis, \sigma is the standard deviation of the population and n is the size of the sample.

In this question:

X = 8745, \mu = 8500, \sigma = 1200, n = 350

So

t = \frac{8745 - 8500}{\frac{1200}{\sqrt{350}}} = 3.82

The test statistic for this test is 3.82.

5 0
3 years ago
30 = x/5<br><br><br><br><br>dnjdjrjrjejjeuehehehehrhhr​
MatroZZZ [7]

Answer:

x = 150

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
solve the system of linear equations by graphing. round the solution to the nearest tenth as needed. y 2.3 = 0.45x –2y = 4.2x –
Shalnov [3]
Unfortunately, I can't do it on a graph here, but I will do it algebraically.
The solution on the graph will be the point of intersection of the two lines representing the equations.
y + 2.3 = 0.45x . . . . . (1)
-2y = 4.2x - 7.8 . . . . . (2)
From (2), y = 3.9 - 2.1x
substituting for y in (1), we have:
3.9 - 2.1x + 2.3 = 0.45x
2.55x = 6.2
x = 6.2/2.55 = 2.4
y = 3.9 - 2.1(2.4) = 3.9 - 5.04 = -1.2
Therefore, solution is (2.4, -1.2)
7 0
2 years ago
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Four friends each bought a movie ticket and two boxes of candy at a movie theater. The tickets were $ 7.50 and the boxes of cand
Angelina_Jolie [31]
Subtract the cost of tickets from the total. 4x7.5=30. 58-30=28. Eight boxes of candy were purchased in total. Use c to represent candy. 8c=28. Finally, divide both by 8. 28/8= 3.5. The answer is $3.50.
4 0
2 years ago
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