Subject: Applied Mathematics, asked 1 week, 1 day ago

## R620 800 is invested for 4 years at 8% p.a compound interest. What will be the total of interestbe at the end of the 4 years? (NB use the compound interest tables provided or work to three decimal places only

Subject: Applied Mathematics, asked on 3/10/22

## 3 ( 1 + x2 ) y' = 2x??(??^3 ? 1) Follow the Step by step (Bernaulli DE): 1. Write the equation into the Bernoulli?s form. 2. Identify P, Q, and n. 3. Let v = y1-n 4. Solve for integrating factor ? ?? = ??(1-n)?P(x)dx or ??=e(1-n)?P(y)dy 5. Multiply both sides of equation by ?. Note: The integral of the left side is always equal to v?. General Solution: ???? = (?? ? ??) ? ??(??) ? ?? ???? +?? 6. Integrate both sides of equation to get the General Solution. 7. Substitute v = y1-n to have the GS in terms of x and y.

Subject: Applied Mathematics, asked on 3/10/22

## y' = y ( xy^3 - 1 ) Follow the Step by step (Bernaulli DE): 1. Write the equation into the Bernoulli?s form. 2. Identify P, Q, and n. 3. Let v = y1-n 4. Solve for integrating factor ? ?? = ??(1-n)?P(x)dx or ??=e(1-n)?P(y)dy 5. Multiply both sides of equation by ?. Note: The integral of the left side is always equal to v?. General Solution: ???? = (?? ? ??) ? ??(??) ? ?? ???? +?? 6. Integrate both sides of equation to get the General Solution. 7. Substitute v = y1-n to have the GS in terms of x and y.

Subject: Applied Mathematics, asked on 3/10/22

## xy' - ( 1 + x ) y = xy^2 Follow the Step by step (Bernaulli DE): 1. Write the equation into the Bernoulli?s form. 2. Identify P, Q, and n. 3. Let v = y1-n 4. Solve for integrating factor ? ?? = ??(1-n)?P(x)dx or ??=e(1-n)?P(y)dy 5. Multiply both sides of equation by ?. Note: The integral of the left side is always equal to v?. General Solution: ???? = (?? ? ??) ? ??(??) ? ?? ???? +?? 6. Integrate both sides of equation to get the General Solution. 7. Substitute v = y1-n to have the GS in terms of x and y.

Subject: Applied Mathematics, asked on 3/10/22

## 2y dx + x [ x^2ln(y) - 1] dy = 0 Follow the Step by step (Bernaulli DE): 1. Write the equation into the Bernoulli?s form. 2. Identify P, Q, and n. 3. Let v = y1-n 4. Solve for integrating factor ? ?? = ??(1-n)?P(x)dx or ??=e(1-n)?P(y)dy 5. Multiply both sides of equation by ?. Note: The integral of the left side is always equal to v?. General Solution: ???? = (?? ? ??) ? ??(??) ? ?? ???? +?? 6. Integrate both sides of equation to get the General Solution. 7. Substitute v = y1-n to have the GS in terms of x and y.

Subject: Applied Mathematics, asked on 3/10/22

## xy dx + (x^2 - 3y) dy =0 Follow the Step by step (Bernaulli DE): 1. Write the equation into the Bernoulli?s form. 2. Identify P, Q, and n. 3. Let v = y1-n 4. Solve for integrating factor ? ?? = ??(1-n)?P(x)dx or ??=e(1-n)?P(y)dy 5. Multiply both sides of equation by ?. Note: The integral of the left side is always equal to v?. General Solution: ???? = (?? ? ??) ? ??(??) ? ?? ???? +?? 6. Integrate both sides of equation to get the General Solution. 7. Substitute v = y1-n to have the GS in terms of x and y.

Subject: Applied Mathematics, asked on 3/10/22

## y' = y - xy^3 e^-2x Folllow the Step by step (Bernaulli DE): 1. Write the equation into the Bernoulli?s form. 2. Identify P, Q, and n. 3. Let v = y1-n 4. Solve for integrating factor ? ?? = ??(1-n)?P(x)dx or ??=e(1-n)?P(y)dy 5. Multiply both sides of equation by ?. Note: The integral of the left side is always equal to v?. General Solution: ???? = (?? ? ??) ? ??(??) ? ?? ???? +?? 6. Integrate both sides of equation to get the General Solution. 7. Substitute v = y1-n to have the GS in terms of x and y.

Subject: Applied Mathematics, asked on 2/4/22

## If the following replicate volumes of HCl were obtained during the titration of 25.0 cm3 0.05M Na2CO3 with HCl acid solution using bromocresol green indicator to reach an end point; 20.1, 20.2, 20.1, 20.3 i. Determine the mean of volume of HCl acid. [1 mk] ii. Calculate the molarity of the HCl acid. [3mks] c) HClO4 is a stronger acid than HClO

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