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
stepan [7]
3 years ago
15

Use a double integral to find the volume of the solid in the first octant bounded by the plane determined by the three non-colin

ear points P(3, 0, 0), Q(0, 1, 0),R(0, 0, 2). Draw a picture of the volume you are finding.
Mathematics
1 answer:
miv72 [106K]3 years ago
5 0

Answer:

2.5 units^3

Step-by-step explanation:

Given:-

- The solid is bounded by a plane defined by the following points:

                       P(3, 0, 0), Q(0, 1, 0),R(0, 0, 2)

Find:-

Use a double integral to find the volume of the solid in the first octant bounded by the plane

Solution:-

- Determine the equation of the plane. Compute two direction vectors d1 and d2 that lie on the plane:

                              d1 = P - Q

                              d1 = (3, 0, 0) - (0, 1, 0) = (3,-1,0)

                              d2 = P - R

                              d2 = (3, 0, 0) - (0, 0, 2) = (3,0,-2)

- Find the a vector "normal" - n to the plane by cross product formulation of direction vectors (d1 and d2) that lie on the plane:

               n = d1xd2 = \left[\begin{array}{c}3&-1&0\end{array}\right] x \left[\begin{array}{c}3&0&-2\end{array}\right] = \left[\begin{array}{ccc}3&-1&0\\3&0&2\end{array}\right] = \left[\begin{array}{c}-2&-6&3\end{array}\right]

- The equation of plane is:

                                n.(x,y,z) = n.P

                               -2x -6y + 3z = -6

- The function of one variable would be:

                                z = (2/3)x + 2y - 2

- The double integration formulation would be:

                                \int\limits^a_b  \int\limits^c_d  f(z) dy.dx\\\\\int\limits^a_b  \int\limits^c_d  (\frac{2x}{3} + 2y - 3) dy.dx\\\\\int\limits^a_b (\frac{2xy}{3} + y^2 - 3y) |_c^d.dx

- Where the limits (c and d) are defined by planar (x-y) projection of plane (n) :

                              y = d = -(1/3)x + 1

                              c = 0

- Evaluate the limits:

                              \int\limits^a_b (\frac{-2x^2 + 6x}{9} + \frac{x^2}{9} -\frac{2x}{3} +1   + x - 3) .dx\\\\\int\limits^a_b (\frac{-x^2 }{9}  + x - 2) .dx\\\\(\frac{-x^3 }{27}  + \frac{x^2}{2}  - 2x)|^3_0\\\\(\frac{-27 }{27}  + \frac{9}{2}  - 6) = 1 - 4.5 + 6 = 2.5 unit^3

You might be interested in
What is the 5th term of an arithmetic sequence if t2 = -5 and t6 = 7
RUDIKE [14]
An=Asub1+d(n-1)
Asub5= -5+½(4)
=-5+7
=2
5 0
3 years ago
< The map below is being reduced by a scale factor of 2/3 and printed at
Orlov [11]

Answer:

Step-by-step explanation:

B

3 0
3 years ago
HELP ME PLS!!!
atroni [7]

Answer:

A. This conclusion was drawn using the law of detachment

Step-by-step explanation:

Definition:

Law of Detachment

If p equals q and p is also true. Then q is true.

if a number is a whole number, then it is an integer.

3 is a whole number (true statement) , so it 3 is an integer. (must be true)

8 0
2 years ago
HEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEELLLLLLLLLLLLLLLLLLLLLLLLLLLPPPPPPPPP ME!!!!!!!!!!!!!
harkovskaia [24]

Answer:

i think that is 4

Step-by-step explanation:

fydxudugxxfjg

8 0
2 years ago
Read 2 more answers
Many airline companies have begun implementing fees for checked bags. Economic theory predicts that passengers will respond to t
valentinak56 [21]

Answer:

Step-by-step explanation:

a. The hypothesis test is  one tailed_____ test.

(Because we check whether sample weight is greater than hence one tailed or right tailed)

The test statistic follows a __t___ distribution.(Because only sample std deviation s is known)

The value of the test statistic is___Mean difference/Std error =\frac{17.1-16}{\frac{6}{\sqrt{67} } } \\=1.58__

b. df = 66

Reject H0 if t ≥ 1.668

c. The p-value is_____0.059444

d. Using the critical value approach, the null hypothesis is _accepted____, because __t <1.668___ Using the p-value approach, the null hypothesis is__accepted___, because__p value <0.05 our significance level.___ Therefore, you __may___ conclude that the mean weight of the airline's passengers' carry-on items has increased after the implementation of the checked-bag fee.

4 0
2 years ago
Other questions:
  • Please help me find the answer​
    13·1 answer
  • How do i factor 12b^2+14b-10 using one of the six techniques for factoring polynomials?
    11·1 answer
  • Two shirts and one tie costs $42, but one shirt and two ties cost $39. What does one shirt cost?
    15·1 answer
  • Reflection all symmetry is the quality a design has if it maintains all characteristics when it is (blank) lying in its plane.
    14·2 answers
  • Supongamos que el radio de la pizza es z y el grosor o altura es a
    11·1 answer
  • If the sum of a number and eight is tripled the result is four less than twice the number. Find the number
    10·1 answer
  • A sequence can be defined by the explicit formula an = 5 - 3n. which recursive formula represents the same sequence of numbers?
    14·2 answers
  • On a coordinate plane, 2 dashed straight lines are shown. The first line has a positive slope and goes through (negative 1, 0) a
    13·2 answers
  • Help me! giving brainliest if u get it right, also show explanation (it isnt 34)
    15·2 answers
  • Pleaseeeee helppppppppppppppp
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!