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VikaD [51]
2 years ago
9

Cho biểu thức : A=(√x+1)/(√x-2) +(2√x)/(√x+2 )+(2+5√x)/(4-x)

Mathematics
1 answer:
kvasek [131]2 years ago
3 0

Answer:

A= (3*X - 6\sqrt{x})/(X-4)

A=(3*2 - 6\sqrt{2})/(2-4)= -3+3\sqrt{2}

A=(3*4 - 6\sqrt{4})/(4-4) Unknown

Step-by-step explanation:

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Following are the :
Svetlanka [38]

Answer:

Median = 241

Step-by-step explanation:

The median is the number in the middle when the variables are arranged in ascending or descending order.

The raw set of data is

177; 205; 210; 210; 232; 205; 185; 185; 178; 210; 206; 212; 184; 174; 185; 242; 188; 212; 215; 247;

241; 223; 220; 260; 245; 259; 278; 270; 280; 295; 275; 285; 290; 272; 273; 280; 285; 286; 200; 215;

185; 230; 250; 241; 190; 260; 250; 302; 265; 290; 276; 228; 265

Arranged in ascending order,

174, 177, 178, 184, 185, 185, 185, 185, 188, 190, 200, 205, 205, 206, 210, 210, 210, 212, 212, 215, 215, 220, 223, 228, 230, 232, 241, 241, 242, 245, 247, 250, 250, 259, 260, 260, 265, 265, 270, 272, 273, 275, 276, 278, 280, 280, 285, 285, 286, 290, 290, 295, 302

There are 53 variables in the data set, the median would be at the middle of the distribution, that is, at the (53 + 1)/2 position.

That gives the 27th position.

The median = variable at the 27th position when the dataset is arranged in ascending or descending order

Median = 241.

Hope this Helps!!!

6 0
2 years ago
Please help! If you do you will get 'Brainliest'
aalyn [17]

Answer:

B

Step-by-step explanation:

This is because 1/2 down from 1 1/2 is 1 then go 2 down on the number lone and you get 1 (B)

5 0
2 years ago
Read 2 more answers
Five more than the product of a number and 8 is equal to 6.
lina2011 [118]

Answer:

8n+5=6

Step-by-step explanation:

5 0
3 years ago
90 x= 81 + 25 <br> I need help ?
charle [14.2K]

Answer:

x = \frac {53} {45}

Step-by-step explanation:

<u>Step 1:  Combine on the right side </u>

90x = 81 + 25

90x = 106

<u>Step 2:  Divide both sides by 90 </u>

\frac {90x} {90} = \frac {106} {90}

x = \frac {106/2} {90/2}

x = \frac {53} {45}

Answer:  x = \frac {53} {45}

4 0
3 years ago
Read 2 more answers
What is the difference between 5 and 2 1/5
Vsevolod [243]

The difference between 5 and 2 1/5

5 - 2 1/5

borrow from the 5

4 5/5 - 2 1/5

2 4/5

Answer: 2 4/5

3 0
3 years ago
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