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Tju [1.3M]
3 years ago
9

S = \sqrt{\frac{1}{N-1} \sum_{i=1}^N (x_i - \overline{x})^2}. Solve.

Mathematics
1 answer:
Fudgin [204]3 years ago
7 0
This website will help <span>http://dlinares.org/lrtnormalunknownvariance.html</span>
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2. Find mzR and mzS.<br> 89°<br> R<br> 157 T<br> Р
baherus [9]

Answer:

m∠R = 123°

m∠S = 91°

Step-by-step explanation:

The measure of an inscribed angle is 1/2 the measure of the intercepted arc

m of arc QRS = 2 m∠P = 2(57) = 114

Now m of arc SPQ = 360 - 114 = 246

So, m∠R = 1/2(246) = 123

m of arc RSP = 2 m∠Q = 2(89) = 178

m of arc PQR = 360 - 178 = 182

m∠S = 1/2(182) = 91

5 0
3 years ago
Explain the steps you would take to find the area of the following composite shape.​
julsineya [31]

What composite shape? Where is the shape?

7 0
3 years ago
A number, y, is equal to the difference of a larger number and 3. The same number is one-third of the sum of the larger number a
mariarad [96]

Answer:

The two equations are

y = x - 3 and

3y = x + 9

Step-by-step explanation:

The options are not well stated. I'll answer the question without the options but however, my answer will be a reflection of one of the given options.

Given:

2 statements

Required

Write equivalent of both statements as equations

Let the large number be represented by x.

From the first statement (y, is equal to the difference of a larger number and 3)

Difference means minus (-); so, this statement is represented as follows to give us the first equation:

y = x - 3

From the second statement (The same number is one-third of the sum of the larger number and 9).

This is also represented as follows to give us the second equation

y = ⅓(x + 9)

Multiply both sides by 3

3 * y = 3 * ⅓(x + 9)

3y = x + 9

So, the two equations are

y = x - 3 and

3y = x + 9

4 0
3 years ago
Read 2 more answers
What is bigger 3/14 or 1/6?
Ksju [112]
3/14 is 0.214 and 1/6 is 0.16
3 0
3 years ago
What does 2+2 equal to<br>​
Mazyrski [523]

Answer:

Step-by-step explanation:

1

5 0
2 years ago
Read 2 more answers
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