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vekshin1
3 years ago
12

Help me if you dont mind​

Mathematics
1 answer:
Svetach [21]3 years ago
8 0

Answer:

B

Step-by-step explanation:

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Another e integration: xe^(-x^2)<br><br> x times e to the negative x squared
____ [38]
+∞
  ∫  x · e ^(-x² ) dx =   /  The substitution:  u = - x²,  x d x = - du / 2  
-∞
                                                              +∞
= - 1/2 ·  ∫ e ^(u)  du  = - 1/2 · e ^(-x²)  /
                                                             - ∞
e^(-∞) = 1 / e^(∞)

= -1/2 · [ 1/ e^(∞) - 1/ e^(∞) ]  = -1/2 · ( 0 - 0 ) = 0
7 0
3 years ago
PLEASE HELP?!?!?!
lakkis [162]

Answer:

c. In 2 seconds, the commuter train travels 120 feet.

Step-by-step explanation:

Given

The attached graph

Required

What does x-coordinate of 2 represents

Represent this coordinate with (x,y)

From the graph:

x = 2 when y = 120

Note that:

x = time and y = distance

So:

(x,y) = (2,120)

Which means:

At 2 seconds, the train has travelled a distance of 120ft

<em>From the list of options, (c) is correct</em>

6 0
3 years ago
4. Find the area of the given figure.<br> 20 cm<br> 10 cm 3 cm<br> 14 cm<br> 15 cm<br> 13 cm
Talja [164]

I’m sorry I can’t help you without a picture if you could add a picture please I can answer this for you ツ message me back when you do!

4 0
4 years ago
Your menu size is 17"x11", one-sided. You want to leave 20% as open white space. How many square inches do you have left for the
Georgia [21]
I’m pretty sure c is supposed to be 37.4 instead of 27.4
3 0
3 years ago
Find the equation of the line that is perpendicular to y = -2x + 6 and passes though the point (-42
Illusion [34]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
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