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Solnce55 [7]
3 years ago
9

PLZZ HELP NEED ASAP 20 POINTS!!!!!The dot plots below show the ages of students belonging to two groups of music classes: A dot

plot shows two divisions labeled Group A and Group B. The horizontal axis is labeled as Age of Music Students in years. Group A shows 5 dots at 6, 5 dots at 8, 3 dots at 9, 7 dots at 11, and 5 dots at 13. Group B shows 2 dots at 6, 4 dots at 10, 4 dots at 13, 3 dots at 15, 5 dots at 16, 4 dots at 19, and 3 dots at 21. Based on visual inspection, which group most likely has a lower mean age of music students? Explain your answer using two or three sentences. Make sure to use facts to support your answer.
PLZZ HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!
Mathematics
2 answers:
aleksandr82 [10.1K]3 years ago
5 0

Answer:

Group A: 9.56   Group B: 15.52

Step-by-step explanation:

Group A because it has fewer numbers and the mean is less.

frez [133]3 years ago
3 0

Answer:

Duh! Group A: 9.56

Step-by-step explanation:

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3 years ago
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saul85 [17]
Square root of 27.  

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Alexus [3.1K]

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What is the sales tax of a $178.90 video game system is the tax rate is 3.75%
juin [17]
It would be: 178.90 * 3.75%
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Hope this helps!
3 0
3 years ago
Use the information giving in the figure to find the length FH. If applicable, round your answer to the nearest whole number.
Dimas [21]

9514 1404 393

Answer:

  FH = 16

Step-by-step explanation:

ΔGHE is a 5-12-13 triangle.

ΔEHF is a 3-4-5 triangle with a scale factor of 4, so side FH is 4·4 = 16 units.

_____

(3, 4, 5), (5, 12, 13), (7, 24, 25), (8, 15, 17) are all commonly used Pythagorean triples. The first two on the list are used in these triangles.

If you like, you can work out the numbers using the Pythagorean theorem, which tells you the square of the hypotenuse is equal to the sum of the squares of the other two sides.

For ΔEHG, that is ...

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  13² = EH² + 5²

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And for ΔEHF, ...

  FE² = EH² +HF²

  20² = 144 + HF²

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The length of side FH is 16 units.

5 0
3 years ago
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