3 years ago

Need help with Math homework

Mathematics

1 answer:

sveticcg [70]3 years ago

8 0

Answer:

sorry but it's not clear can you again post it

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∫ ex (sec x + tan²x) dx = ? a) eˣsec²x b) eˣsecx c) eˣtan²x d) eˣtanx

marysya [2.9K]

None of these options seem to be correct. You can check each result by differentiation:

$(e^x\sec^2x)'=e^x(\sec^2x+2\sec^2\tan x)=e^x\sec^2x(1+\tan x)$

$(e^x\sec x)'=e^x(\sec x+\sec x\tan x)=e^x\sec x(1+\tan x)$

$(e^x\tan^2x)'=e^x(\tan^2x+2\tan x\sec^2x)=e^x\tan x(\tan x+2\sec^2x)$

$(e^x\tan x)'=e^x(\tan x+\sec^2x)$

But none of these are equivalent to $e^x(\sec x+\tan^2x)$ ...

6 0

3 years ago

5 Wyatt had one sack that contained some

defon

Answer:

Step-by-step explanation:

the answer is 1/4

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3 years ago

Find the side of a square whose diagonal is of the given measure. Given = 15 square root 2

MatroZZZ [7]

If the square is 15 units on each side, then its diagonal would be √(15²)+(15)²=√450=15√2 ☺☺☺☺

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3 years ago

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Luke has $21 more than rachel and $48 more than daniel. altogether they have $168. how much does luke have?

Anettt [7]

this can be solve by 3 variable equation

let x be the money of luke

y money of rachel

z money of daniel

first equation

x = y + 21

second equation

x = z + 48

third equation

x + y + z = 168

solving simultaneously

x =79

y = 58

z = 31

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3 years ago

Can I get help with this problem?

grandymaker [24]

Answer:

Step-by-step explanation:

It's 2.3 as the centre of a circle is twice the circumference learn the circle theorem

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3 years ago

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