Trevor's family bought 5 tickets to a baseball game. 2 tickets were discounted by $15

Mathematics

1 answer:

cricket20 [7]3 years ago

4 0

Answer: The 3 tickets without the discount are $19 and the two tickets that were discounted were $44

Step-by-step explanation:

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Step-by-step explanation:

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Is it true that the integral LaTeX: \int x^2e^{2x}dx ∫ x 2 e 2 x d x can be evaluated using integration by parts? If so, state t

Marysya12 [62]

Answer:

Yes the integral can be evaluated by integration by parts as solved below.

Step-by-step explanation:

$\int x^{2}e^{2x}dx$

Taking algebraic function as first function and exponential function as second function we have

$\int x^{2}e^{2x}dx=x^{2}\int e^{2x}dx-\int (x^{2})'\int e^{2x}dx\\\\=x^{2}\frac{e^{2x}}{2}-\int 2x\times \frac{e^{2x}}{2}dx\\\\\frac{x^{2}e^{2x}}{2}-\int xe^{2x}dx\\\\Now\\\\\int xe^{2x}dx=x\int e^{2x}dx-\int 1\cdot \int e^{2x}dx\\\\=\frac{xe^{2x}}{2}-\int \frac{e^{2x}}{2}dx\\\\\frac{xe^{2x}}{2}-\frac{e^{2x}}{4}\\\\\therefore \int x^{2}e^{2x}dx=\frac{x^{2}e^{2x}}{2}-\frac{xe^{2x}}{2}+\frac{e^{2x}}{4}$

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3 years ago

There's a pair of points (3,5), (x,15) and a slope of 2 how do I find x

sergeinik [125]

You have the slope and you have two points, so you can use the slope equation to find x.

$b=\frac{(y_2-y_1)}{(x_2-x_1)} \\2=\frac{(15-5)}{(x-3)} \\2(x-3)=(15-5)\\2x-6=10\\2x=16\\x=8$

So your answer is x = 8.

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3 years ago

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2x-3(2x-3)+2=45 pls solve fully

ANEK [815]

Answer:x=-17/2

Step-by-step explanation:

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3 years ago

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Danica has laid so they form a rectangle with a perimeter of 18 inches.What is the difference between the greatest and least pos

stealth61 [152]

Elemantary school so
area=legnth times width
to get greatest area, make legnth as close to width as possible in measure

to get least area, make legnth as far away from width as possible in measure
perimiter=2 times legnth+2 times width=2 times (legnth+width)
18=2 times (legnth+width)
divide 2
9=legnth+width
find closest and farthest
1+9 is farthest
4+5 is closest

areas=legnth times with
1 times 9=9
4 times 5=20
differnce is subtract
20-9=11

answe is 11
(note I didn't use decimals since the user is supposedly in elemenatry school)

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4 years ago