1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Firlakuza [10]
3 years ago
8

Question number 21 and 22 if possible

Mathematics
1 answer:
olchik [2.2K]3 years ago
5 0
22 is c ...............
You might be interested in
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
Simon has 20 quarters and 12 dimes.He wants to purchase ice cream for his friends.An ice cream cone cost $1.00.How many cones ca
Helga [31]

Answer:

  6

Step-by-step explanation:

Each ice cream cone costs 4 quarters or 10 dimes, so Simon has ...

  20/4 + 12/10 = 5 + 1.2 = 6.2

times the price of an ice cream cone. He can buy 6 cones for his friends.

8 0
3 years ago
I need help please no links or you will be reported
Alexus [3.1K]

Answer:

-4,-4

Step-by-step explanation:

4 0
3 years ago
HELPP!!! I'm supposed to determine if this was answered correct or wrong. What is it? Also please explain it.​
Ann [662]

Answer:

It was answered correctly.

Step-by-step explanation:

Parenthesis means mutiplication so you can do iy rhat way or 4(c)^2=4×c^2.

4 0
3 years ago
Y = (x-3)^2 when x = 9
Strike441 [17]

Answer:

36

Step-by-step explanation:

9-3=6

6*6=36

3 0
3 years ago
Read 2 more answers
Other questions:
  • 8-7(3v-6) what is the answer thank you
    15·1 answer
  • What is the square root of 54 that lies between
    13·1 answer
  • When you sign up for a movie service, you get three free months of movies. Then you are charged $15 per month to rent movies. If
    5·2 answers
  • What is the area of the trapezoid in squared meters shown below?
    7·1 answer
  • A bag contains yellow marbles and blue marbles, 73 in total. The number of yellow marbles is 7 more than 5 times the number of b
    10·1 answer
  • A triangle has rotation symmetry that can take any of its vertices to any of its
    10·1 answer
  • Teresa graphs the following 3 equations: y=2x, y=x2+2, and y=2x2.
    10·1 answer
  • When 9
    8·1 answer
  • What is the slope of the line that passes through the points (10, 5)<br> and (9, 5) ?
    6·1 answer
  • Jetpack flyer recently landed in LA (230, 20). He found out his target is in San Francisco (40, 220). His jetpack can go 250 mil
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!