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bulgar [2K]
3 years ago
7

Compare the values of the 2s and 5s in 55,220

Mathematics
1 answer:
Bas_tet [7]3 years ago
8 0
The first 2 thats next to the 5 is in the hundreds place and is bigger than the 20 in the tens place so.... 200>20 basically...
and...
the first five next to the 5 in the thousands place is 50 thousand and so.....
50,000>5,000
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Is 15º an acute angle, right angle, obtuse<br> angle, or straight angle?<br> flant role
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2 years ago
In a controlled laboratory environment, a random sample of 10 adults and a random sample of 10 children were tested by a psychol
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a) It cannot be concluded at the 99% confidence level that there is actually a difference between the true mean comfortable room temperatures for the two groups.

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2 years ago
Simplify<br> 27^n+3 -6×3^3n+3/3^n×9^n+2
MrMuchimi

Answer:27^n+3–6*3^3n+3–n*9^n+2

Step-by-step explanation:

3 0
3 years ago
Use rhombus ABCD and the given information to find each value.​
Semmy [17]

Answer: (c) 31    (d) 30     (e) 41     (f) 10

<u>Step-by-step explanation:</u>

NOTES about angles of a rhombus:

  1. diagonals are angle bisectors (cut the angle into 2 equal parts)
  2. diagonals are perpendicular to each other (90°)
  3. two adjacent triangles of a rhombus form an isosceles triangle

(c) Given: ∠CBD = 59°

    Per rule 2  →  ∠BEC = 90°

    Triangle Sum Theorem: sum of the angles of a triangle = 180°

∠CBD + ∠BEC  + ∠BCE = 180°

  59°  +    90°   + ∠BCE = 180°

       149°          + ∠BCE = 180°

                           ∠BCE =  31°

(d) Given:  ∠BCD = 120°

   Per rule 3  →   ∠CBD = ∠CDB

   Triangle Sum Theorem: sum of the angles of a triangle = 180°

∠CBD + ∠CDB  + ∠BCD = 180°

           2∠CBD  +   120°  = 180°

           2∠CBD                =  60°

             ∠CBD                =  30°

(e) Given: ∠AED = 2x+8

    Per rule 2  →  ∠AED = 90°

                            2x+8  = 90

                            2x      = 82

                              x      = 41

(f) Given: ∠BCE = 3x + 3  and   ∠ECD = 5x - 17

   Per rule 1   →    ∠BCE = ∠ECD

                           3x + 3 = 5x- 17

                                   3 = 2x - 17

                                 20 = 2x

                                  10 = x

4 0
3 years ago
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