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Marianna [84]
3 years ago
9

Please answer all 3 questions

Mathematics
2 answers:
blsea [12.9K]3 years ago
7 0

Answer:

  • x = 30°
  • DB = 26
  • AD = BC = AB = DC = 7

Step-by-step explanation:

  • <em>Diagonals of a square are congruent and perpendicular and bisect each other</em>
<h3>Q4</h3>

m∠AEB = 3x

m∠AEB = 90°

  • 3x = 90° ⇒ x = 30°
<h3>Q5</h3>

AE = 3x - 2

EC = 2x + 3

  • AE = EC
  • 3x - 2 = 2x + 3
  • 3x - 2x = 3 + 2
  • x = 5

DB = EC = 2(AE) = 2(3*5 - 2) = 2(13) = 26

<h3>Q6</h3>

<u>AD and BC are the sides, which are equal</u>

  • 2x - 1 = 5x - 13
  • 5x - 2x = 13 - 1
  • 3x = 12
  • x = 4

AD = BC = AB = DC =  2*4 - 1 = 7

oksian1 [2.3K]3 years ago
7 0

Answer:

mhanifa is right

Step-by-step explanation:

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Arrange the functions in ascending order, starting with the function that eventually has th least value and ending with the func
WINSTONCH [101]

Answer:

3x,3x+8,x^{2} ,x^{2}+6,4^{x} ,4^{x}+3,

Step-by-step explanation:

We have to arrange the functions given in ascending order which have eventually the least value and eventually the greatest value.

So, we get the following table representing the values of the functions for different values of x.

x                    :     5                   10                   15

y_{1} =3x+8    :     23               38                    53

y_{2} =4^{x} +3   :    1027         1048579          1073741827

y_{3} =x^{2} +6   :     31                106                   231

y_{4} =3x        :     15                30                     45

y_{5} =4^{x}        :     1024       1048576        1073741824

y_{6} =x^{2}        :      25              100                    225

As, can be seen from the table that the ascending order of the functions is given by y_{4},y_{1},y_{6},y_{3},y_{5},y_{2},.

Hence, the order is 3x,3x+8,x^{2} ,x^{2}+6,4^{x} ,4^{x}+3,.

3 0
3 years ago
Please Answer and Show your Work:
Luba_88 [7]

Answer:

first one is -1, second one is also -1, third one is -1/2, the fourth one is 9/4, the fifth one is 2, and the last one (sixth) is 16/25.

Step-by-step explanation:

4x +3 = -1 all multiply by 13, = 4x + 3 = -1, subtract 3 on both sides, x= -1.  Do what I told you the first equation and you will get it. put all the denominators in common denominator which in this case is 6, then multiply everything by 6, add like terms, = -2x + 2 = 3, then subtract 2 on both sides, then divide -2 on both sides. put all denominators to 16 then multiply everything by 16, 4x -6 will = to 3, add 6 on both sides, 4x = 9, then divide 4 on both sides then you will get 9/4. put all of the denominators up to 12, and multiply everything by 12, then add like terms, 7 = 2x +3, subtract 3 on both sides, 4 = 2x, divide 2 on both sides now, and the answer is 2. the last one is also pretty simple, put all the denominators to 21, multiply everything by 21, add like terms, 16x = 25, divide 16 on both sides, then the answer is 16/25.

7 0
3 years ago
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