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labwork [276]
3 years ago
5

Show that the given curve c(t) is a flow line of the given velocity vector field F(x, y, z).

Mathematics
1 answer:
liq [111]3 years ago
6 0

Answer:

a) c'(t) = (2 Cos(t), -2 Sin(t), 9e^t)

b) c'(t) = (2 Cos(t), -2 Sin(t), 9e^t)

Step-by-step explanation:

We are given in the question:

c(t) = (2 Sin(t), 2 Cos(t), 9e^t)

F(x,y,z) = (y, -x, z)  

a) c'(t)

We differentiate with respect to t.

c'(t) = (2 Cos(t), -2 Sin(t), 9e^t)

b) F(c(t))

This is a composite function.

F(c(t)) = F(2 Sin(t), 2 Cos(t), 9e^t)

= (2 Cos(t), -2 Sin(t), 9e^t)

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7.) A bag of 8 apples costs $1.50 at Sam's Orchard,
const2013 [10]

Answer:

a) 3.375 cents

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Step-by-step explanation:

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b) divide 5 by .1875 to get your 26.6666667 Apples, which would round down because you can't have .6666667 of an apple

6 0
3 years ago
Solve 8(x+2)=36.......
brilliants [131]
We have to use the Distributive Property in this equation.
By the Distributive Property,
8(x+2)=36

becomes
8x+16=36.
Now we need to isolate x. Remember PEMDAS?
8x=20
x=20/8
Simplify the right side.
x=10/4
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3 0
3 years ago
Read 2 more answers
Is (-5,-3) a solution of the following equations ? 6x-2y=24 , -10x-2y=-56
natulia [17]
6x-2y=24
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-30+6=24
-24=24
Yes
-10x-2y=-56
-10(-5)-2(-3)=-56
50+6=-56
56=-56
Yes
The answer is= Yes. The solution is (-5.-3)
By the way, you have to show the work.
3 0
3 years ago
Which ratio correctly compares 120 cm to 80 mm?
bixtya [17]
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Ratio:   1200 mm / 80 mm=15/1

Answer:

C.     15 to 1
3 0
3 years ago
PLEASE HELP!!<br><br> What is the scale factor?
mojhsa [17]

Answer:

f9

Step-by-step explanation:

8 0
2 years ago
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