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Ipatiy [6.2K]
2 years ago
7

( 8 2/4 + 2 1/6) - 5 2/12

Mathematics
1 answer:
Readme [11.4K]2 years ago
5 0

Answer:

5 1/2 or 5.5

Step-by-step explanation:

=8 1/2+2 1/6-5 2/12

=17/2+ 2 1/6-5 2/12

=17/2+13/6-5 2/12

=32/3- 5 2/12

=32/3-31/6

=11/2

=5 1/2

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3(3a + 4b) + 4(2a - 5b) please answer quick​
Oliga [24]

Step-by-step explanation:

3(3a+4b)+4(2a-5b)

=9a+12b+8a-20b

=17a-8b

3 0
3 years ago
8 ^ x * 16 ^ x - 1 equals 1​
Lana71 [14]

Answer:

{8}^{x}  \times  {16}^{x }  - 1 = 1 \\  {2}^{3x}  \times  {2}^{4x}  = 1 + 1 \\  {2}^{7x}  =  {2}^{1}  \\ 7x = 1 \\ x =  \frac{1}{7}

7 0
3 years ago
57. What number is 25% of 32?
horrorfan [7]
57. 8
58. 8
59. 24
60. 11.25 or 11
61. 20.52 or 21
62. 144
63. 7.37 or 7
64. 50%
65. 25%
66. 10%
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68. 25%

hope this helped :)
5 0
3 years ago
Any sort of help is appreciated, ty
Semenov [28]
The answer would be 1952 because the display of flag makes a right triangle so we will use Pythagorean theorem in order to find the sides and the sides total is 244 according to theorem, so we multiply by 8 to get the 8 flag display.  <span />
8 0
3 years ago
2a+3b=5<br> b=a-5 help please
diamong [38]

Answer:

2a + 3b = 5

b = a - 5

Step-by-step explanation:

2a + 3b = 5

b = a - 5

You can write this another way:

2a + 3(a-5) = 5 ( I added the second formula in the first one )

Now you gotta factor out:

2a + 3a - 15 = 5

Here im gonna do plus 15

2a + 3a = 20 ==> 5a = 20

Now if you divide by 5, you get: a = 4

Now you can fill in the second formula again

b = a - 5 (ill fill this in now)

b = 4 - 5 = -1

So, this makes:

a = 4 , b = -1

6 0
3 years ago
Read 2 more answers
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