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3 years ago

PLEASE HELP!! WORTH ALOT OF PIONTS!!

Mathematics

2 answers:

padilas [110]3 years ago

6 0

H1,H2,T1,T2 is the correct answer

meriva3 years ago

3 0

H1
H2
T1
T2
Is the answer to the question

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Given the Homogeneous equation x^2ydy+xy^2dx=0, use y=ux, u=y/x and dy=udx+xdu to solve the differential equation. Solve for y.

scZoUnD [109]

Answer:

$y=\frac{C}{x}$ .

Step-by-step explanation:

Given homogeneous equation

$x^2ydy+xy^2dx=0$

$\frac{\mathrm{d}y}{\mathrm{d}x}=-\frac{xy^2}{x^2y}$

Substitute y=ux , $u=\frac{y}{x}$

$\frac{\mathrm{d}y}{\mathrm{d}x}=-\frac{y}{x}$

Now,

$u+x\frac{\mathrm{d}u}{\mathrm{d}x}=\frac{\mathrm{d}y}{\mathrm{d}x}$

$u+x\frac{\mathrm{d}u}{\mathrm{d}x}=-u$

$\frac{\mathrm{d}u}{\mathrm{d}x}=-2u$

$\frac{du}{u}=-\frac{dx}{x}$

Integrating both side we get

lnu=-2lnx+lnC

Where lnC= integration constant

$lnu+ln{x}^2=lnC$

$lnux^2=lnC$

Cancel ln on both side

$ux^2=C$

Substitute $u=\frac{y}{x}$

Then we get

xy=C

$y=\frac{C}{x}$ .

Answer: $y=\frac{C}{x}$ .

8 0

3 years ago

Perry surveyed 60 students at her school and found that 0.45 of the students she surveyed said their favorite class is math. Ano

BabaBlast [244]

the answer is 27 students

4 0

3 years ago

Please answer this correctly

natka813 [3]

Answer: Rectangular pyramid

Step-by-step explanation:

When you think about it, a pyramid has 3 faces that are triangular!

If you found this answer helpful, give it a five-star rating and a thanks! I would really appreciate it!

You can even give it a brainliest if you want! ;)

8 0

3 years ago

What is the GRM for a residential duplex with a selling price of $234,000 if the monthly rent for each unit is $925? A. l.054 B.

stiks02 [169]

Answer:

126.5

Step-by-step explanation:

Given :The monthly rent for each unit is $925

To Find : What is the GRM for a residential duplex with a selling price of $234,000 if the monthly rent for each unit is $925?

Solution:

Annual Gross Rents = $925

Property Value = $234,000

For answer to be 126.5 , $925 must be semiannual rent

So, annual rent = 925*2

Formula : Property Value = Annual Gross Rents X Gross Rent Multiplier (GRM)

Substitute the values :

$234000=925 \times \text{Gross Rent Multiplier}$

$\frac{234000}{925 \times 2}= \text{Gross Rent Multiplier}$

$126.5 = \text{Gross Rent Multiplier}$

Hence The GRM for a residential duplex with a selling price of $234,000 if the monthly rent for each unit is $925 is 126.5

So, Option D is true .

5 0

3 years ago

Megan and Suzanne each have a plant. They track the growth of their plants for four weeks.

Alenkinab [10]

Answer: Megan's at 3 inches per week

3 0

2 years ago