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3 years ago

How would i solve for this? it says im doing it wrong and have one more try left.

Mathematics

1 answer:

WITCHER [35]3 years ago

6 0

Answer: 1 & 1/2

The whole part is 1

The fractional part is 1/2

======================================================

Explanation:

Write 1/2 as 2/4. Basically you multiply top and bottom by 2.

We have these three fractions: 1/4, 2/4, 3/4

Add them up: (1/4)+(2/4)+(3/4) = (1+2+3)/4 = 6/4 = 3/2

To go from 6/4 to 3/2, we divide both parts by 2.

Finally, convert the improper fraction 3/2 to the mixed number 1 & 1/2

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Ex 4.8 14) integrate 3^(2x-1)

sesenic [268]

Take the integral:

$\large\begin{array}{l} \mathsf{\displaystyle\int\!3^{2x-1}\,dx}\\\\ =\mathsf{\displaystyle\int\!\frac{1}{2}\cdot 2\cdot 3^{2x-1}\,dx}\\\\ =\mathsf{\displaystyle\frac{1}{2}\int\!3^{2x-1}\cdot 2\,dx\qquad(i)} \end{array}$

$\large\begin{array}{l} \textsf{Substitute}\\\\ \mathsf{2x-1=u\quad\Rightarrow\quad 2\,dx=du}\\\\\\ \textsf{so (i) becomes}\\\\ =\mathsf{\displaystyle\frac{1}{2}\int\!3^u\,du}\\\\ =\mathsf{\dfrac{1}{2}\cdot \dfrac{1}{\ell n\,3}\,3^u+C}\\\\ =\mathsf{\dfrac{1}{2\,\ell n\,3}\,3^{2x-1}+C} \end{array}$

$\large\begin{array}{l} \boxed{\begin{array}{c}\mathsf{\displaystyle\int\!3^{2x-1}\,dx=\frac{1}{2\,\ell n\,3}\,3^{2x-1}+C} \end{array}}\qquad\checkmark \end{array}$

If you're having problems understanding this answer, try seeing it through your browser: brainly.com/question/2154165

$\large\textsf{I hope it helps. :-)}$


Tags: integrate indefinite integral substitution exponential base logarithm log ln composite integral calculus

4 0

3 years ago

Can someone please PLEASE help! i need this rt. now! i’ll mark brain list!

loris [4]

It would be n - 5

It’s saying 5 LESS than a number so 5 would be subtracted

Hope this helps!

3 0

3 years ago

Read 2 more answers

Mr yates owns a smoothie shop. To mix a batch of his famous orange punch smoothies, he uses 18 ounces of freshly squeezed orange

HACTEHA [7]

Answer:

31 batches

Step-by-step explanation:

Find how many batches of orange punch smoothies he can make by dividing 560 by 18:

560/18

= 31.11

Since we can only have a whole number answer, round down.

So, he can make 31 batches of orange punch smoothies.

4 0

3 years ago

Simplify the following: (r+s-t)-(r-s+t)

ArbitrLikvidat [17]

R+s-t-(r-s+t)

=2s-t is the answer

People think this answer would be just =2s but I have verified with an online calculator and the answer that textbooks look for regarding this is 2s-t

You would assume you would go r-r and thats 0 so no r's

you would say s-(-s) makes it plus and theres 2s

and you would say -t -(+t) is -t

that's why the answer is 2s-t

At first I also did t-(+t) and thought it would be no t's but the answer is in fact 2s-t

4 0

4 years ago

2 x - 17 = 11. Help please

Svet_ta [14]

Step-by-step explanation:

Perhaps you want to solve the equation for the value of x. If so then let us work it out:

$2x - 17 = 11 \\ 2x = 11 + 17 \\ 2x = 28 \\ x = \frac{28}{2} \\ \huge \red { \boxed{x = 14}}$

8 0

3 years ago