Find a vector function that represents the curve of intersection of the two surfaces. the paraboloid z = 8x 2 y 2 and the parabolic cylinder y = 3x 2 r(t) = t i j

Answers

Answer 1

The vector function, r(t) that represents the curve of intersection of the two surfaces, the paraboloid and the parabolic cylinder is given by < t, 3t2, 8t2 + 9t4 >. It is attained by applying the concept of vectors to the assigned problem.

What is a vector?

A vector is any quantity that contains both magnitudes as well as direction. Geometrically, one can imagine a vector as a directed line segment, whose length denotes the magnitude of the vector and the direction is shown by the arrow, which is generally taken from its tail to its head. Using an arrow with a line specifies that it is not only scalar but also has some direction.

Calculation of the vector function representing the curve of intersection of the paraboloid and parabolic cylinder

A vector function r(t) is represented as: r(t) = < x, y, z >

Given: y = 3x2                         – 1

z = 8x2 + y2                             – 2

Let,

x = t

Using x = t in equations 1 and 2

y = 3t2

z = 8t2 + y2

Putting the value of y in z, we get,

z = 8t2 + (3t2)2

z = 8t2 + 9t4

Substitute  these values of x, y, and z in vector representation to obtain the result, i.e. < t, 3t2, 8t2 + 9t4 >

Hence, the value of vector function r(t) is: < t, 3t2, 8t2 + 9t4 >

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Find A Vector Function That Represents The Curve Of Intersection Of The Two Surfaces. The Paraboloid

Related Questions

boy can mow a lawn in 90 minutes and his sister can mow the same lawn in 60 minutes. how long will it take for both mowing at the same time to mow the lawn?

Answers

If boy can mow a lawn in 90 minutes and his sister can mow the same lawn in 60 minutes, then it will take 36 minutes to mow the lawn if both mowing at the same time

Given,

The time taken for the boy to mow a lawn= 90 minutes

The time taken for the sister to mow a lawn= 60  minutes

Work done by the boy in one minute= [tex]\frac{1}{90}[/tex]

Work done by the sister in one minute= [tex]\frac{1}{60}[/tex]

When both mowing at the same time

[tex]\frac{1}{90}+\frac{1}{60}=\frac{1}{36}[/tex]

Then, the time taken when both mowing at the same time = 36 minutes

Hence, if boy can mow a lawn in 90 minutes and his sister can mow the same lawn in 60 minutes, then it will take 36 minutes to mow the lawn if both mowing at the same time

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What's the algebraic expression of 3/4 a number b divided by 5
Please help T.T

Answers

3/4 a number b divided by 5 is 15b/4

In mathematics, an expression that incorporates variables, constants, and algebraic operations is known as an algebraic expression (addition, subtraction).

3/4 a number b:

=3b/4

Divided by 5:

=3b/4/5

We have to multiply numerator with the dominator by 5 to remove the double fraction:

=3b*5/4

=15b/4

3/4 a number b divided by 5 is 15b/4

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1. If AJKL APQR, which one of these is not a pair of corresponding parts?

Answers

angle L and angle Q. JKL and PQR the L does not match where the Q is. The L is in the last spot and the Q is in the middle spot.

Answer =Angle L and Angle Q

point m is the midpoint of segment kl. point n is the midpoint of segment ml. a line with the points of k, l, m, and n, in which point m is the midpoi

Answers

The second point on the line k,m,n,l is where the midpoint, m, is found by adding kl to the equation.

What do you mean by the segment's midpoint?

A segment's midway is the point on a reference line where two congruent segments meet. The segment's midpoint seems to be the point located halfway between the ends of two segments.

According to the given information:

The midpoint is the point on the section that lies halfway between the endpoints.

A line segment's midpoint can be calculated by using two endpoints (x1, y1) and (b, c) (x2, y2).

Add all of the x coordinates together and divide by two to determine the x coordinate of the midpoint.

Add all of the y-coordinates together and divide by two to get the y value of the midway.

It is critical to understand that a midpoint is indeed the midpoint of a line segment.

m = ((x + X)/2,(y + Y)/2) then determines the midpoint m.

We must demonstrate that the distance between m and l is equal to the distance between m and k and that this value is half the distance from k to l to show that m is, in fact, the midpoint of the horizontal line kl.

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point m is the midpoint of segment kl. point n is the midpoint of segment ml. a line with the points of k, l, m, and n, in which point m is the midpoint?

Please help me! Find an equation for the perpendicular bisector of the line segment whose endpoints are (-8,-1) and (-4,5).

Answers

The equation of the perpendicular bisector of the line segment whose endpoints are (-8,-1) and (-4,5) is y = 3/2x + 7

How to find the perpendicular bisector

First we have to find the midpoint of the line

endpoints are (-8,-1) and (-4,5).

midpoint = -8 + -4/2 , -1 +5/2

= -6, 2

slope = -1 - 5 / -8 - -4

= -6 /-4

= 3 / 2

Equation for the line

y - 2 = 3/2(x + 6)

y = 3/2(x + 6)-2

y = 3/2x + 7

Hence the equation of the perpendicular bisector of the line segment whose endpoints are (-8,-1) and (-4,5) is y = 3/2x + 7

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the following data show the midterm and final exam scores in an english writing class.find the sample correlation coefficient of the midterm and final exam scores (round off to first decimal place).

Answers

Sample correlation B  = R in output = 0.7 The above data is calculated from parameter estimation.

What is the sample correlation coefficient?

The Pearson correlation coefficient (PCC) is a statistical measure of linear correlation between two data sets. It is also referred to as Pearson's r, the Pearson product-moment correlation coefficient (PPMCC), the bivariate correlation, or simply the correlation coefficient. It is a normalised covariance measurement, with the result always falling between 1 and 1. It is the ratio between the covariance of two variables and the product of their standard deviations. The measure, like covariance itself, can only account for linear correlations between variables and ignores numerous other kinds of connections or correlations.

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is 47.2 greater than 47.197?​

Answers

Yes. Since neither are rounded, 46.2 would be greater.

Answer:

Yes.

Step-by-step explanation:

Think of it this way,

0.2 = 200

0.197 = 197

200 > 197

Find the midpoint of the points. B (-2, -4) and C (-4, -7)

Answers

Answer:

-3, -11/2

Step-by-step explanation:

Look up "midpoint formula"

Two trains leave stations 504 miles apart at the same time and travel toward each other. One train travels 95 at miles per hour while the other travels at 85 miles per hour. How long will it take for the two trains to meet? Do not do any rounding.

Answers

Answer:

Step-by-step explanation:

12312ejljaslkjkfdsjkdsfafsd

1/4 divided by 2/6 in simplest form

Answers

Answer:

1/4*6/2=6/8

3/4

Step-by-step explanation:

1/4*6/2=618
3/4
This is going to be your answer

5:43 pm ----What is 1 hour and 30 minutes more of this? (I mean, what time will it be?)

Answers

Answer:

7:13

Step-by-step explanation:

5:43

1 hour from 5:43 will be 6:43

17 mins from 6:43 will be 7:00

13 mins from 7:00 will be 7:13

7:13 you add the hour first and then add 15 to 43 and add another 15

Select the correct answer. wanda is a cake designer with a specialty in rectangular silk screen photo cakes. for every cake that she makes, the width of the cake is 4 inches more than the width of the photo in the center of the cake, and the length of every cake is two times its width. the area of the cake wanda is currently working on is at least 254 square inches. if x represents the width of the photo, which inequality represents this situation? a. b. c. d.

Answers

The equation representing the inequality is 2·x² + 16·x + 32 ≥ 254

The width of the photo on the cake is x.

The dimensional relationship mentioned between the dimensions of the cake & the photo on the cake mentioned in the question are:

Width of cake = Width of photo + 4 inches

i.e., W = x + 4

And, Length of the Cake is twice the Width of the cake

i.e., L = 2*W

Also, It is mentioned that the Area of the Cake is 254 sq inches.

We know Formula to calculate the Area of a rectangle is :

          =>   Area = Length * Width

          =>   254  ≤ 2*W * (x+4)     =>   254 ≤ 2(x+4)*(x +4)

          =>   2·x² + 16·x + 32 ≥ 254

Hence, The inequality representing this case is 2·x² + 16·x + 32 ≥ 254

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julian needs to spend at least 7 hours each week practicing the drums. he has already practiced hours this week. he wants to split the remaining practice time evenly between the last 2 days of the week. write an inequality to determine the minimum number of hours he needs to practice on each of the 2 days.

Answers

An inequality to determine the minimum number of hours he needs to practice on each of the 2 days 0.835.

What is inequality?

Definition and importance Imbalance or monetary disparity alludes to the contrast between the rich and poor, the endlessly the less wealthy - it is shown by individuals' various situations inside the financial conveyance - abundance, pay and pay. Imbalance is huge in a general public where hardly any individuals own a lopsided measure of the financial pie. In order to solve the inequality, the variable should be on one side, without coefficients or constants. Divide to cancel out coefficients and add or subtract to remove constants. Once you have isolated the variable, you have solved the inequality. Approach the inequality as you would an equation. Social imbalance alludes to the lopsided economic wellbeing in any general public, coming about because of inconsistent open doors, and lower awards for exertion. This sort of divergence is brought about by a sensation of being unjustifiably treated, or of segregation in host of regions, like restricted admittance to quality training and occupations. Notwithstanding pay imbalance, individuals who have specific individual attributes, either from birth, or which have been constrained on them by others, are in many cases the subject of inconsistent social treatment. These attributes incorporate such things as race, skin tone, and eye shape, as well as parentage, the guardians' societal position, inability, orientation and orientation character.

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find the interesection if possible: ( − 1 , 6 ] ∩ [ − 3 , 4 ] . express your answer in interval notation.

Answers

The intersection of the sets written in interval notation is -1 ≤ x ≤ 4

What is interval notation?

Interval notation is a mathematical method or  way of writing subsets of the real number line.

It also helps in telling the part of the number line, from left to right, that is  included in the solution.

Given the sets;

( − 1 , 6 ] ∩ [ − 3 , 4 ]

(-1, 4) is the intersection of the sets

In interval notation, it is written as;

-1 ≤ x ≤ 4

Thus, the intersection of the sets written in interval notation is -1 ≤ x ≤ 4

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Solve the following equation.
(90-x)-x=18

Answers

Answer:

x = 36

Step-by-step explanation:

Pls solve this question
also solve -2 1/4 - 4 5/8

Answers

Answer: -6 7/8

Step-by-step explanation:

-2 1/4 - 4 5/8=

(-2 1/4 - 4 5/8)*8/8=     ==> Multiply by 8 since it is the LCM of 4 and 8 and will get rid of denominators

(-16 8/4 - 32 40/8)/8=

(-(16+2)-(32+5))/8=

(-18-37)/8=

-55/8=

-(48+7)/8=-6 7/8

PLSSS HELP IF YOU TURLY KNOW THISS

Answers

The number in the green box should be -19d

Solve the following proportion.
x/-8 = 12/6
A -12 B -14
C -16 D -18

Answers

Step-by-step explanation:

Multiply both sides of the equation by 24, the least common multiple of −8,6

−3x=4×12

Multiply 4 and 12 to get 48.

−3x=48

Divide both sides by −3.

x= −3/48

Divide 48 by −3 to get −16.

The answer is x=−16

what is the greatest commen factor of 392

Answers

Answer: it's 3 love

Answer: 392

Step-by-step explanation: all the common factors are

1,2,4,7,8,14,28,49,56,98,196,392 so the greatest would be 392

hope this was helpful- hailey <3     :)

marvin was completing the square, and his work is shown below. identify the line where he made his mistake. (2 points) f(x)

Answers

He made the mistake on line 1.

2x^2 - 8x + 5....move the 5 to the other side

2x^2 - 8x = -5....now divide by 2

x^2 - 4x = -5/2

x^2 - 4x + 4 = -5/2 + 4

(x - 2)^2 = -5/2 + 8/2

(x - 2)^2 = 3/2

x - 2 = (+-)sqrt 3/2

x = 2 + sqrt 3/2 or x = 2 - sqrt 3/2

He made mistake on line 1.

Complete question -

Marvin was completing the square, and his work is shown below. Identify the line where he made his mistake. f(x) = 2x2 − 8x + 5. Line 1: f(x) = 2(x^2 − 8x) + 5 Line 2: f(x) = 2(x^2 − 8x + 16) + 5 − 32 Line 3: f(x) = 2(x − 4)^2 − 27

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Fill in the missing parts in the equivalent forms:
6/9 = blank/6

Answers

Answer:

9

Step-by-step explanation:

9! If you need me to explain let me know

In 34,65/2,31,59/2 which term is 16?​

Answers

Answer:

8

Step-by-step explanation:

Answer:

none is

Step-by-step explanation:

abigail wanta to find three consecutive even integers whose sum is four times the smallest of those integers. she lets n represent the smallest integer, then writes this equation n + (n + 2) + (n + 4) = 4n

Answers

Step-by-step explanation:

first add all the n together

3n and 4n

add those together too

7n

now add 2+4

6 now

7n\-7n =6/-7n = -1n

a builder wants to install hardwood flooring in a dining room of length 8.68 m and width 6.1 m. what is the area of the room (in m2)?

Answers

Answer:

52.948 m²

Step-by-step explanation:

→ State the formula for the area

length × width

→ Substitute in the numbers

8.68 × 6.1 = 52.948 m²

what is the area of rectangle wxyz with vertices wleft-parenthesis 0 comma 1 right-parenthesis, xleft-parenthesis 3 comma 4 right-parenthesis , yleft-parenthesis negative 1 comma 8 right-parenthesis, zleft-parenthesis negative 4 comma 5 right-parenthesis to the nearest unit?

Answers

The area of the rectangle will be 24sq, units.

How can we calculate the area of the rectangle?

To determine the area of various polygons, there exist specialized formulae. The general formula for rectangles is as follows:

A = width x length

Given, the coordinates of the rectangle are W(0,1), X(3,4), Y(-1, 8), Z(-4,5)

So the length of rectangle will be = distance between W and X will be -

⇒[tex]\sqrt{(3 - 0)^{2} + (4-1^{2}) }[/tex]

⇒[tex]\sqrt{18}[/tex]

The breadth of rectangle will be = distance between X and Y

[tex]\sqrt{(3 + 1)^{2} + (8-4)^{2} }[/tex]

⇒ [tex]\sqrt{32}[/tex]

Now, area of rectangle = length × breadth

⇒ [tex]\sqrt{18}[/tex] × [tex]\sqrt{32}[/tex]

⇒ 24 sq. units

So, the area of the rectangle will be - 24 sq. units

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Which of the following graphs are functions? Select all that apply.
A
C
E
B
D
F

Answers

The graphs that could be functions from the graphs shown in the question are A and E.

What is a function?

A function is a mathematical rule. We know that a graph is a plot of data on the cartesian coordinates. The cartesian coordinates are x and y. The x axis is the vertical axis while the y axis is the horizontal axis.

Now we can see that there are bout six plots and we need to determine which of the plots does correspond to a function. We shall now look over the graphs to see how they correlate with functions.

It is clear that the graphs that could be functions from the graphs shown in the question are A and E.

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Question Write an absolute value equation that has the solutions x=2 and x=9

Answers

Absolute value equation that has the solutions x=2 and x=9 is |x - 5.5| = 3.5

5.5 is the mid-point between 2 and 9:  (2+9)/2=5.5and the equation says that the points x= 2  and  x= 9  are equally remoted at the distance of  3.5  from their mid-point.3.5 is the half of the distance 9-2 = 7 between the given points (the given values)  x= 2  and  x= 9.

absolute value equation is |x - 5.5| = 3.5

Generalizations of the absolute cost for actual numbers arise in a huge form of mathematical settings. as an example, an absolute value is likewise defined for the complicated numbers, the quaternions, ordered jewelry, fields and vector spaces. absolutely the price is closely associated with the notions of value, distance, and norm in numerous mathematical and bodily contexts.

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Easy age problems about basic algebra

Answers

Answer: for sure

Step-by-step explanation:

Answer: How do you solve age problems in algebra?

If the age of a person is 'x', then 'n' years after today, the age = x + n. Similarly, n years in the past, the age of this would have been x – n years. Answer: Suppose that the present age of the son is = x years. Then the father's age is (60 -x) years.

Step-by-step explanation: hope this helpss!!!

What is the value of x?

Answers

Answer:

x = 7

y = 3

Step-by-step explanation:

Because the opposite side, Line segment QR, is 11. So, you need to find a number that when multiplied by 2 and then subtracted by 3 is equal to 11.

First, I just guessed, that 7 times 2 is 14, and then minus 3 is equal to 11

Here is how I worked it out:

2x-3=11

2x=14

x=7

8y+5=6y+11

2y=6

y=3

The value of the variable x and y will be 7 and 3, respectively.

What is a rectangle?

It is a polygon with four sides. The total interior angle is 360 degrees. A rectangle's opposite sides are parallel and equal, and each angle is 90 degrees. Its diagonals are all the same length and intersect in the center.

The rectangle PQRS is shown.

From the rectangle PQRS, the side PQ and RS are congruent. And the side PS and QR are also congruent.

PQ = SR

6y + 11 = 8y + 5

2y = 6

y = 3

PS = QR

2x - 3 = 11

2x = 14

x = 7

The value of the variable x and y will be 7 and 3, respectively.

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Consider the quadratic polynomial ax 2 bx c. suppose the coefficients are given by rolling a fair die three times. what is the probability that the roots of the polynomial are equal?

Answers

Complete the square to write

ax² + bx + c = a (x + b/(2a))² - (b² - 4ac)/(4a)

The quadratic has a double root at x = -b/(2a) if the constant term (b² - 4ac)/(4a) vanishes, which happens if b² - 4ac = 0.

Let A, B, and C be random variables representing the value of the first, second, and third roll of the die. They are independent and identically distributed with PMF

Pr [X = x] = 1/6

if x ∈ {1, 2, 3, 4, 5, 6}, and 0 otherwise.

We want to find

Pr [B² - 4AC = 0]

Note that

B² - 4AC = 0   ⇒   B² = 4AC   ⇒ (B/2)² = AC

which tells us that B must be even, and also that AC is a perfect square. Then there are 5 possible outcomes that satisfy the conditions:

• If B = 2, then AC = 1   ⇒   A = C = 1

• If B = 4, then AC = 4   ⇒   A = 1, C = 4 or A = C = 2 or A = 4, C = 1

• If B = 6, then AC = 9   ⇒   A = C = 3

and there are 6³ = 216 total possible outcomes in the sample space. So,

Pr [B² - 4AC = 0] = 5/216

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