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I am Lyosha [343]
3 years ago
10

in yoga class, all of the students are lined up according to height. Andy notices that the number of students who are taller tha

n he is one-fourth the number of students who are shorter than he. Violetta notices that there are 3 times as many students who are taller than she than students who are shorter than she. How many students are the class is there are fewer than 40 students?
Mathematics
1 answer:
vlada-n [284]3 years ago
4 0

Answer: i think its 21! how idfk but it was on some website...dont hatecrime me!

Step-by-step explanation:

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Figure ABCD is transformed to obtain figure A′B′C′D′:
xz_007 [3.2K]

Answer:

<u>Part A</u>

  1. Reflect over the y-axis:  (x, y) → (-x, y)
    A (-4, 4) → (4, 4)
    B (-2, 2) → (2, 2)
    C (-2, -1) → (2, -1)
    D (-4, 1) → (4, 1)
  2. Shift 4 units down:  (x, y-4)
    (4, 4-4) → A' (4, 0)
    (2, 2-4) → B' (2, -2)
    (2, -1-4) → C' (2, -5)
    (4, 1-4) → D' (4, -3)

<u>Part B</u>

Two figures are <u>congruent</u> if they have the same shape and size.  (They are allowed to be rotated, reflected and translated, but not resized).

Therefore, ABCD and A'B'C'D' are congruent.  They are the same shape and size as they have only be reflected and translated.

3 0
2 years ago
Can someone please help, ty!!<br> (Will mark brainliest)
PolarNik [594]

Answer:

Yellow is correct.

You can add the valued and divide by how many values there are to find the mean

The score of 20 is an outlier and brings the mean score down by almost 10%

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Can someone help please?
ratelena [41]

Answer: It is TRUE. A point in a linear equation can be the solution to said equation.

4 0
3 years ago
HELP GEOMETRY PROOFS
Reptile [31]

Step-by-step explanation:

See the attached for the proof

6 0
3 years ago
Graph the two lines 2x + 3y = 18 , 3x -4y &gt; 16.
Dmitrij [34]
The domain and range for each line is all real numbers. This is because all numbers are possible to input into x and all y values exist. 

The slope of the first line is -2/3 and the y intercept is 6. You can reach this conclusion by solving for y (putting it in slope intercept form). 

The slope of the second one is 3/4. and the y intercept is all real numbers greater than -4. This is true because it is an inequality and you can find these numbers by solving for y. 
7 0
3 years ago
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