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Kamila [148]
4 years ago
11

Why is the answer A?

Mathematics
1 answer:
Vesna [10]4 years ago
4 0

Step-by-step explanation:

F(x) is the antiderivative (or integral) of f(x).

F(x) = ∫ f(x) dx

F(x) = sin(1/(x² + 1))

∫₁² f(x) dx

= F(2) − F(1)

= sin(1/(2² + 1)) − sin(1/(1² + 1))

= sin(⅕) − sin(½)

= -0.281

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Please help and show work!
Murrr4er [49]

Answer: The loss percentage = 5%

Step-by-step explanation:

Subtract the selling price from the original price.

490 - 465.50 = 24.5

So the seller lost $24.5.

Next we need to find out how much $24.5 is from the original price.

5% of 490 = $24.5

So the loss price was 5%.

plz mark brainless if this helped :)

5 0
4 years ago
Can you please help me with this one? ​
viva [34]

Answer: y=38

x=38

z=109

Step-by-step explanation:

because

4 0
3 years ago
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How do you do this question?
KatRina [158]

Step-by-step explanation:

F(x) = ∫ₓᵃ sin(2t) dt

Use the identity:

-F(x) = ∫ₐˣ sin(2t) dt

Take derivative using fundamental theorem of calculus.

-F'(x) = sin(2x)

F'(x) = -sin(2x)

3 0
3 years ago
Techechtium-99m has a half-life of 6 hours. If 1000mg is in use, in how many hours will 62.5mg remain?
Nady [450]
One half life 1000 mg to 1000/2 =500 mg
One half life 500 mg to 500/2 = 250 mg
One half life 250 mg to 250/2 = 125 mg
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The answer is permutation !
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3 years ago
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