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masha68 [24]
3 years ago
6

Can someone please help me with math.

Mathematics
1 answer:
olasank [31]3 years ago
3 0

Answer:

Its C

Step-by-step explanation:

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How do you find the parameterization of a helix?
Marina CMI [18]

Answer:

\left\{\begin{array}{l}x=r\cos t\\ \\ y=r\sin t\\ \\z=at\end{array}\right.

Step-by-step explanation:

A <u>helix</u> is a curve for which the tangent makes a constant angle with a fixed line. The shortest path between two points on a cylinder (one not directly above the other) is a fractional turn of a helix, as can be seen by cutting the cylinder along one of its sides, flattening it out, and noting that a straight line connecting the points becomes helical upon re-wrapping (see attached diagram for helix).

The parametrization for the helix is

\left\{\begin{array}{l}x=r\cos t\\ \\ y=r\sin t\\ \\z=at\end{array}\right.,

where r is the radius of the helix, a is the constant, and t\in [0,2\pi ) is the parameter

7 0
3 years ago
The ____ axis is vertical.
4vir4ik [10]

Answer:

Y

Step-by-step explanation:

The y-axis is the the secondary or vertical axis of a system of coordinates, points along which have a value of zero for all other coordinates.

6 0
3 years ago
Read 2 more answers
Given the following functions, find and simplify (f • g)(x) f(x)=—x+3 g(x)=-x-1
Hitman42 [59]

Answer:

(f\circ g)(x)= x + 4

Step-by-step explanation:

<u>Composite Function</u>

Given f(x) and g(x) as real functions, the composite function (f\circ g)(x) is defined as:

(f\circ g)(x)=f(g(x))

It can be found by substituting g into f.

We are given the functions:

f(x) = -x + 3

g(x) = -x -1

Find

(f\circ g)(x)=f(g(x))= - (-x -1) + 3

Removing parentheses:

(f\circ g)(x)= x + 1 + 3

Simplifying:

\mathbf{(f\circ g)(x)= x + 4}

5 0
3 years ago
It's a system of equations x=-4y x+6y=18
Misha Larkins [42]
Subsitute -4y for x

-4y+6y=18
2y=18
divide both sides by 2
y=9
sub back

x=-4y
x=-4(9)
x=-36

(x,y)
(9,-36)
3 0
3 years ago
16/__ = -8<br> ___/12 = -6
Karolina [17]

Answer:

1.) - 2

2.) - 72

Step-by-step explanation:

hope this helps

6 0
3 years ago
Read 2 more answers
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