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kogti [31]
3 years ago
6

2b^2x^2+3a^2y^2=a^2b^2 for b^2

Mathematics
1 answer:
Artemon [7]3 years ago
4 0

Answer:

{b}^{2}  =  \frac{3 {a}^{2}  {y}^{2} }{ {a}^{2}  - 2 {x}^{2} }

Step-by-step explanation:

We want to solve for b² in

2 {b}^{2}  {x}^{2}  + 3 {a}^{2}  {y}^{2}  =  {a}^{2}  {b}^{2}

Combine terms containing b²

3 {a}^{2}  {y}^{2}  =  {a}^{2}  {b}^{2}  - 2 {b}^{2}  {x}^{2}

Factor b² to get:

3 {a}^{2}  {y}^{2}  =  ({a}^{2} - 2 {x}^{2}) {b}^{2}

Divide by a² -2b²

{b}^{2}  =  \frac{3 {a}^{2}  {y}^{2} }{ {a}^{2}  - 2 {x}^{2} }

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weeeeeb [17]

Answer:

cos\theta=\sqrt{\frac{85}{121}}

tan\theta=\frac{6}{\sqrt{85}}

Step-by-step explanation:

given, sin\theta=\frac{6}{11}

since, sin^2\theta+cos^2\theta=1

cos^2\theta=1-sin^2theta

cos^2\theta[/tax]=1-[tex]\frac{36}{121}

                                 =\frac{121-36}{121}

                                 =\frac{85}{121}

cos\theta=\sqrt{\frac{85}{121}} answer

tan\theta=\frac{sin\theta}{cos\theta}

  tan\theta=\frac{6}{\sqrt{85}}  answer                      

7 0
3 years ago
How do you solve 4n-6m=12; n=-2,0,2
siniylev [52]

For the following  N = -2  therefore answer is m=-1 N= 0. Therefore answer is  m= 1/3 N= 2 , therefore answer is 5/3  How do you get it substitute each n for the number and solve for m .  

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3 years ago
5(x+1)+x=6x+5. Solve, please.
lara31 [8.8K]

Answer:

x = All Real Numbers

Step-by-step explanation:

5x + 5 + x = 6x + 5

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Hope that helps!

8 0
3 years ago
Read 2 more answers
Using the numbers 5 8 and 24 create a problem using no more than four operations addition subtraction multiplication division sq
lubasha [3.4K]

Answer:

(\frac{24}{8})^{2} gives rational solution and \sqrt{5} gives an irrational solution.

Step-by-step explanation:

We are given the numbers 5 , 8 , 24.

Using these numbers and maximum four operations given, we need to find the problem having a rational and irrational solution.

Now, applying two operations namely division and squaring, we define the following problem having a rational solution.

i.e. (\frac{24}{8})^{2} = (\frac{12}{4})^{2} = 3^{2} = 9, being an integer, it is a rational number.

Further, applying only one operation namely square root, we define the problem having an irrational solution.

i.e. \sqrt{5} , which is an irrational number.

Hence, the problems (\frac{24}{8})^{2} gives a rational solution and \sqrt{5} gives an irrational solution.

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3 years ago
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