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ch4aika [34]
3 years ago
15

Giải phương trình vi phân xy^'-y(ylnx-1)=0 thỏa y(1)=1/2.

Mathematics
1 answer:
Mashcka [7]3 years ago
3 0

Это ДУ Бернулли, все детали на фото.

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You roll a standard number cube once find p(not multiple of 2)
GalinKa [24]

Answer: \frac{1}{2}

Step-by-step explanation:

Let's look at the numbers that we count.

The question says not multiple of 2, so we have to count to following numbers:

1 , 3 , 5

And in total there are 6 numbers, so our probability is

\frac{3}{6} = \frac{1}{2}

7 0
3 years ago
Please help me on this one kinda stuck on this Thank you
Goshia [24]
1) 100 * 40 = 4000 (cm²) the area of rectangle
2) 40 * 30 * 1/2 = 600 (cm²) the area of triangle
3) 4000 + 600 = 4600 (cm²)

Answer: 4600 cm²
6 0
3 years ago
Read 2 more answers
Using the digits 1 to 9 at most one time each place a digit in each box to create an equation where X is a negative value serve
lidiya [134]

The correct question is:

Using the digits 1 to 9 at most one time each place a digit in each box to create an equation where x is a negative value solve your equation to prove your answer.

__x + __ = __

Answer:

1. 9x + 8 = 1

2. 7x + 6 = 2

3. 5x + 4 = 3

Step-by-step explanation:

1. 9x + 8 = 1

Subtract 8 from both sides

9x = 1 - 8

9x = -7

Divide both sides by 9

x = -7/9

2. 7x + 6 = 2

Subtract 6 from both sides

7x = 2 - 6

7x = -4

Divide both sides by 7

x = -4/7

3. 5x + 4 = 3

Subtract 4 from both sides

5x = 3 - 4

5x = -1

Divide both sides by 5

x = -1/5

5 0
3 years ago
Read 2 more answers
Grogg draws triangle ABC. Side BC is 4 inches shorter than side AB. and side AC is 6 inches longer than side BC. The perimeter o
kogti [31]

Answer:

AB = 11

Step-by-step explanation:

AB = x

BC = x - 4

AC = 6 + BC    Substitute BC

AC = 6 + (x - 4)

AC = 2 + x

The perimeter of the triangle  is 31

Perimeter =  AB + BC + AC  perimeter is the sum of the sides

 31 = (x )+ (x - 4 ) + (2 + x)

  31 = 3x - 2

   33 = 3x

   11 = x

AB = x = 11 inches

Check:  

AB = x  ;    AB = 11

BC = x - 4;  BC = 11 - 4; BC = 7

AC = 2 + x;  AC = 2 + 11; AC = 13      

  P = 11 + 7 + 13

      = 31

3 0
3 years ago
EVALUATE 5•(X-3)=10​
storchak [24]

Answer: 5x-15=10

5x=25

x=5

Step-by-step explanation: i showed the steps above. i hope you can understand it and this helps :) *the very first step is to distribute the 5 to everything in the parentheses

5 0
3 years ago
Read 2 more answers
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