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Tju [1.3M]
2 years ago
10

?????????????????????????

Mathematics
1 answer:
Aleksandr [31]2 years ago
4 0
4x+9=101
solve for X
Answer: 23 students in art class
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Listed below are prices in dollars for one night at different hotels in a certain region. Find the​ range, variance, and standar
Vanyuwa [196]

Answer:

Range = $115

Variance = $1915.2857

Standard deviation = $43.764

Step-by-step explanation:

Given the data:

234 160 119 131 218 207 146 141

Arranging in ascending order :

119, 131, 141, 146, 160, 207, 218, 234

The range = maximum - minimum

The range = 234 - 119 = 115

The variance :

Σ(x - mean)²/n-1

The mean = Σx / n

The mean = 1356 / 8 = 169.5

Variance :

Σ(x - mean)² = (119-169.5)² + (131-169.5)² + (141-169.5)² + (146-169.5)² + (160-169.5)² + (207-169.5)² + (218-169.5)² + (234-169.5)² = 13407

n - 1 = 8 - 1 = 7

Variance = 13407 / 7 = 1915.2857

Standard deviation = √variance

Standard deviation = √1915.2857

Standard deviation = $43.764

8 0
2 years ago
decide whether enough information is given to prove that triangle XYZ is congruent to triangle JKL. If so, state the term you us
Dafna1 [17]

The information given to us shows that triangles XYZ and JKL is not enough to prove they are congruent by AAS, ASA, nor SAS.

<h3>The Triangle Congruence Theorems</h3>
  • Two triangles are congruent by the AAS congruence theorem if they both have two pairs of congruent angles and a pair of congruent non-included sides.
  • Two triangles are congruent by the ASA congruence theorem if they both have two pairs of congruent angles and a pair of congruent included sides.
  • Two triangles are congruent by the SAS congruence theorem if they both have two pairs of congruent sides and a pair of congruent included angles.

Thus, the information given to us shows that triangles XYZ and JKL is not enough to prove they are congruent by AAS, ASA, nor SAS.

Learn more about triangle congruence theorem on:

brainly.com/question/2579710

7 0
2 years ago
A tree dimensional figure has _______, ___________, __________, ​
Anton [14]

Answer: faces, edges, and vertices.

Also height, width and depth.

5 0
2 years ago
Help! Fast! Don't want to fail Please!
Marta_Voda [28]
1. 45
2. idk
3. See attached
4. 190

6 0
2 years ago
Is this question a statistical question? How many of the cards are baseball cards? Is that a statistical question?
prisoha [69]
Yes, a statistical question is a wuestion that can have multiple answers to figure out the main answer like first you have to figure out how many baseball cards there are then how many in all
7 0
2 years ago
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