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MatroZZZ [7]
3 years ago
5

Line P R and Line Q S are diameters of circle T. What is the measure of Arc S R?

Mathematics
2 answers:
Dominik [7]3 years ago
8 0
The answer to your question is quite simpls arc s r is 20.8
Whit
2 years ago
this isn't one of the answer choices
elena-14-01-66 [18.8K]3 years ago
7 0

Answer:

100

Step-by-step explanation:

Line P R and Line Q S are diameters of circle T. What is the measure of Arc S R?

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The thicknesses of 81 randomly selected aluminum sheets were found to have a variance of 3.23. Construct the 98% confidence inte
Yuliya22 [10]

Answer:

The confidence interval for the population variance of the thicknesses of all aluminum sheets in this factory is Lower limit = 2.30, Upper limit = 4.83.

Step-by-step explanation:

The confidence interval for population variance is given as below:

[(n - 1)\times S^{2}  /  X^{2}  \alpha/2, n-1 ] < \alpha < [(n- 1)\times S^{2}  / X^{2} 1- \alpha/2, n- 1 ]

We are given

Confidence level = 98%

Sample size = n = 81

Degrees of freedom = n – 1 = 80

Sample Variance = S^2 = 3.23

X^{2}_{[\alpha/2, n - 1]}   = 112.3288\\\X^{2} _{1 -\alpha/2,n- 1} = 53.5401

(By using chi-square table)

[(n – 1)*S^2 / X^2 α/2, n– 1 ] < σ^2 < [(n – 1)*S^2 / X^2 1 -α/2, n– 1 ]

[(81 – 1)* 3.23 / 112.3288] < σ^2 < [(81 – 1)* 3.23/ 53.5401]

2.3004 < σ^2 < 4.8263

Lower limit = 2.30

Upper limit = 4.83.

8 0
2 years ago
JT scored 15 points from free throws in the championship game is it independent or dependent
gizmo_the_mogwai [7]

Answer:

dependent variable

Step-by-step explanation:

from what i have seen this is the right choice heres an example of how i came up with it you can decide off of this

Independent variable causes an effect on the dependent variable. Example: How long you sleep (independent variable) affects your test score (dependent variable). ... Example: Your test score affects how long you sleep.

8 0
2 years ago
an office supply company sells two types of printers. they charge $95 for one of the printers and $125 for the other. if the com
Ivenika [448]

Answer:

22 of the 95$ ones and 10 of the 125

Step-by-step explanation:

22 times 95 = 2090

10 times 125 = 1250

2090+1250=3340

hope this helped

4 0
2 years ago
What do I put? I am having so much trouble with this.
jek_recluse [69]
12. \frac{3}{4} ,  \frac{9}{12}

13. \frac{4}{10} ,  \frac{4}{100}

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8 0
3 years ago
Please help (photo attached)
ipn [44]
Formula for triangle area = base times height over two. area of smallest triangle: 2*2/2, so 2. area of medium sized triangle: 2*6/2, so 6. the square in between those triangles has an area of four (2*2). the base of the largest triangle is 2+2+6, so 10, and the height is 4. use the formula to find its area is 20. add them all together to get 4+6+4+20 is 34 units^2.
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3 years ago
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