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3 years ago

I need help with this question

Mathematics

1 answer:

Norma-Jean [14]3 years ago

8 0

d. every twentieth name on a roster of all students at school

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Use integration by parts to find the integrals in Exercise.<br> ∫(4x-12)e-8x dx.

stepladder [879]

Answer:

$e(2x^{2} -12x)-4x^{2}+C$

Step-by-step explanation:

We have been given an indefinite integral as $\int \left(4x-12\right)e-8x\:dx$ . We are asked to find the given integral.

Let us solve our given problem.

$\int \left(4x-12\right)e\:dx-\int 8x\:dx$

Take out constant:

$e\int \left(4x-12\right)\:dx-8\int x\:dx$

$e(\int 4x\:dx -\int 12\right\:dx)-8\int x\:dx$

$e(\frac{4x^{1+1}}{2} -12x)-8*\frac{x^{1+1}}{1+1}+C$

$e(\frac{4x^{2}}{2} -12x)-8*\frac{x^{2}}{2}+C$

$e(2x^{2} -12x)-4x^{2}+C$

Therefore, our required integral would be $e(2x^{2} -12x)-4x^{2}+C$ .

5 0

3 years ago

you make a salary of $700 per week. you have an insurance deduction of $65 per week and 12% withheld for taxes after your deduct

fgiga [73]

$700 - 65 = 635 \times .12 = 76.2$
$635 - 76.2 = 558.8$
$558.8 \times 12 = 6705.6$

8 0

3 years ago

timofeeve [1]

Answer:

3x+4

Step-by-step explanation:

f(g(x))=3(x+2)-2

=3x+6-2

=3x+4

6 0

2 years ago

Read 2 more answers

100 POINTS!!! Which statement about rational numbers is correct?

Natasha_Volkova [10]

Answer: Rational numbers have decimal expansions that repeat or terminate.

Step-by-step explanation:

The explanation of this is the non-terminating but repeating decimal expansion means that although the decimal representation has an infinite number of digits, there is a repetitive pattern to it. The rational number whose denominator is having a factor other than 2 or 5, will not have a terminating decimal number as the result.

6 0

3 years ago

The parallelogram shown below has an area of 30 units2.

Sauron [17]

Answer:

I think its 6 units

Step-by-step explanation:

The area is 30 units so therefore you would divide it by any side so therefore if you would do 30 divided by 5 you would get 6.

3 0

3 years ago