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shutvik [7]
3 years ago
14

How do you get the answers to 4,5, and 6?

Mathematics
1 answer:
ratelena [41]3 years ago
5 0

m∠7:180-110=70

m∠8:180-70=110

m∠3=m∠9=m∠11=137

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A study was conducted to determine whether magnets were effective in treating pain. The values represent measurements of pain us
gregori [183]

Answer and Step-by-step explanation: The null and alternative hypothesis for this test are:

H_{0}: s_{1}^{2} = s_{2}^{2}

H_{a}: s_{1}^{2} > s_{2}^{2}

To test it, use F-test statistics and compare variances of each treatment.

Calculate F-value:

F=\frac{s^{2}_{1}}{s^{2}_{2}}

F=\frac{1.26^{2}}{0.93^{2}}

F=\frac{1.5876}{0.8649}

F = 1.8356

The <u>critical value of F</u> is given by a F-distribution table with:

degree of freedom (row): 20 - 1 = 19

degree of freedom (column): 20 - 1 = 19

And a significance level: α = 0.05

F_{critical} = 2.2341

Comparing both values of F:

1.856 < 2.2341

i.e. F-value calculated is less than F-value of the table.

Therefore, failed to reject H_{0}, meaning there is <u>no sufficient data to support the claim</u> that sham treatment have pain reductions which vary more than for those using magnets treatment.

4 0
3 years ago
Bunny Hill Ski Resort charges $35 for ski rental and $10 an hour to ski. Black Diamond Ski Resort charges $40 for ski rental and
mojhsa [17]

Answer:

Step-by-step explanation:

The answer is A. 10x - 35

6 0
3 years ago
Read 2 more answers
Given four functions, which one will have the smallest y-intercept?
Natalka [10]
F(x) function has a starting value of $6.00 and increases from there.So the y-intercept is 6.

g(x) function shows in the table that when x = 0, y = 6. This is the y-intercept.

h(x) shows on the graph that the y-intercept is  4.

j(x) is an exponential growth function, a * b^x where a is the y-intercept.
y = 10^ x^x has a y-intercept at 10. 

The smallest y-intercept is function h(x).
3 0
4 years ago
1/2(x+6)=2x and 5-2x+7x-h
Cloud [144]
1/2(x+6)=2x
1/2x + 3 = 2x
x + 6 = 4x
3x = 6
x = 2

5-2x+7x-h
5-2(2)+7(2) = h
h = 5 - 4 + 14
h = 1 + 14
h = 15
3 0
3 years ago
Read 2 more answers
PLEASE HELP IM RUNNING OUT OF TIME!!!!!
nikdorinn [45]
If I understand ur question correctly, the first one:

(16x^4)^(1/4) = 2*abs(x)
8 0
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