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Archy [21]
2 years ago
13

The cross section of a parabolic sound reflector at the Olympics has a diameter of 20 inches and is 25 inches deep. Write an equ

ation that represents the cross section of the reflector with its vertex at ( ) 0, 0 and its focus to the left of the vertex.
Mathematics
1 answer:
Arturiano [62]2 years ago
7 0

Answer: 69

Step-by-step explanation: Sorry I do not know the answer because I am not smart.  I just need the points so I can answer more questions.  Have a great day though and I wish you luck with your question:)

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A student recorded her scores on weekly math
alina1380 [7]

Answer:

mean: 7.62

median: 8

mode: 9

Step-by-step explanation:

first you have to put the data set in order:

6,6,6,6,7,7,8,8,9,9,9,9,9

the mode is the most often repeated number in a data set so the mode in this data set would be 9. The median is the middle number in the data set. The middle number in this data set is 8. Lastly, the mean in a data set is all of the numbers in the data set added together and then divided by how many numbers are in the set. The equation for this data set would be 99/13= 7.62

hope this helps!!

7 0
2 years ago
How many ways are there to pick first a vowel and then a consonant from the word SIMULTANEOUS?
motikmotik

Answer:

3

Step-by-step explanation:

 IM UL AN

SIMULTANEOUS

5 0
2 years ago
Read 2 more answers
Pls don’t have much time
Vsevolod [243]

Answer:

the answer is b

Step-by-step explanation:

35 occurs the most on the graph meaning that it's the mode

5 0
2 years ago
Read 2 more answers
Wich of the following best describes the expression 4(y+6)
algol [13]
Answer: 4y + 24

Explanation:

3 0
2 years ago
Picture explains<br> asdasdasd
tamaranim1 [39]

Answer:

  • Yes, AB is tangent

Step-by-step explanation:

The tangent is perpendicular to the radius. The given triangle is right if AB is tangent.

Use Pythagorean to verify

  • 20² = 16² + 12²
  • 400 = 256 + 144
  • 400 = 400

Confirmed

7 0
2 years ago
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