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LenaWriter [7]
3 years ago
5

Dewan’s bank account balance is -$16.75. He deposits checks totaling $23.59. What is his new balance?

Mathematics
2 answers:
Brilliant_brown [7]3 years ago
7 0

Answer:

b because 23.59+ (-16.75) = 6.84

Step-by-step explanation:

WINSTONCH [101]3 years ago
3 0

Answer:

B

Step-by-step explanation:

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it is recommended that one fire extinguisher be available for every 6000 square feet in a building. write and solve an equation
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Jasmine works in Lower Beauvale and arrives at the station at 5.20 p.m. If she catches the next available train to Common Top, w
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If a rectangle is rotated about the y-axis as shown below, what three-dimensional figure would be formed?
Xelga [282]

Answer:

Cylinder.  The explanation is not very exact, more intuition and whatnot, so let me know if there was anything you did not understand.  

Step-by-step explanation:

This is assuming the rectangle has its sides parallel with the x and y axes.  

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The position vector for a particle moving on a helix is
topjm [15]

Answer:

a) 25.15

b)

   x = 1

   y = t

   z = (4pi)^2 + t *(8pi) = 4pi(4pi + 2t)

c) (x,y) = (1, -2pi)

Step-by-step explanation:

a)

First lets calculate the velocity, that is, the derivative of c(t) with respect to t:

v(t) = (-sin(t), cos(t), 2t)

The velocity at t0=4pi is:

v(4pi) = (0, 1, 8pi)

And the speed will be:

s(4pi) = √(0^2+1^2+ (8pi)^2) = 25.15

b)

The tangent line to c(t) at t0 = 4pi has the parametric form:

(x,y,z) = c(4pi) + t*v(4pi)

Since

 c(4pi) = (1, 0, (4pi)^2)

The tangent curve has the following components:

x = 1

y = t

z = (4pi)^2 + t *(8pi) = 4pi(4pi + 2t)

c)

The intersection with the xy plane will occurr when z = 0

This happens at:

  t1 = -2pi

Therefore, the intersection will occur at:

(x,y) = (1, -2pi)

6 0
3 years ago
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