PLS HELLLPPP MEEEE ASAP!!!!!

Answer:

x = -91 8/35

Step-by-step explanation:

Challenging, but lets take it step by step.  We have two sets each  of complex fractions being multiplied, and then added.  As per PEDMAS, do the multiplication first and then add. [I changed the -71/7 as per your note in the comment section.]

[-7 1/7 * (3 2/5)]    +       [6 3/5*(-7 1/7)]     =  x

Convert the two numbers into fractions.  Eg., 7 1/7 becomes 50/7 and 3 2/5 becomes 17/5.  6 3/5 becomes 33/5 and 7 1/7 becomes 50/7.

[-50/7 * (17/5)]    +       [33/5*(-50/7)]     =  x

Now multiply the numerators and denominators.

[-850/35]    +       [-2343/35]     =  x

Now we can add the two fractions since they have the same denominator.

-(3193/35)  = x

x = -91 8/35

Answer:

Step-by-step explanation:

The meaning of the translation (x + 6, y + 10) is that all points in a coordinate plane are moved 6 units to the right and 10 units up.

In other words, for any point (x, y) in the original position, after the translation, the new coordinates would be (x + 6, y + 10). This means that the x-coordinate of each point is increased by 6 units, resulting in a shift to the right, and the y-coordinate is increased by 10 units, resulting in a shift upwards.

Answer:

6

Step-by-step explanation:

2*3*6=12

12/2=6

formula= b*h/2

Step-by-step explanation:

multiply area is base time height then divide by 2 which is

6×2=12 12÷2=6

Answer:

Step-by-step explanation:

To compute the magnitude of the cross product |u x v|, we need to know the values of u and v. However, you mentioned that u and v are unit vectors, which means their magnitudes are both equal to 1.

The magnitude of the cross product between two vectors u and v is given by |u x v| = |u| * |v| * sin(theta), where theta is the angle between the two vectors.

In this case, since u and v are unit vectors, their magnitudes are both equal to 1. Additionally, you mentioned that the angle between u and v is π/4.

Therefore, |u x v| = 1 * 1 * sin(π/4) = 1 * 1 * (√2/2) = √2/2.

Hence, the magnitude of the cross product |u x v| is equal to √2/2.

know more about magnitude: brainly.com/question/31022175

#SPJ11

Answer:

6 1/10

Step-by-step explanation:

Convert the mixed numbers into improper fractions (denominator × whole number + numerator / denominator):

9 2/5 = 47/5

3 3/10 = 33/10

Convert improper fractions to have the same denominator:

47/5 × 2/2 = 94/10

Find the difference by subtracting the numerators:

94/10 - 33/10 = 61/10

Convert the answer into a mixed number:

61/10 = 6 1/10

Answer:

First side = 12 units

Second side = 24 units

Third side = 16 units

Step-by-step explanation:

First, we can assign variables for each side of the triangle to make it easier:

A = side 1

B = side 2

C = side 3

The length of the second side of the triangle is twice the length of the first side, so we know that B is twice the length of A. We can represent this in an equation like this:

B = A * 2

The length of the third side is 4 units more than the first side. This tells us that C is going to be 4 more than A:

C = A + 4

And finally, the perimeter of the triangle is 52 units. Since the perimeter is just all the sides added together, we can create this equation:

A + B + C = 52

To start solving for lengths, I'm going to plug in the first two equations we got into the third equation:

A + B + C = 52

A + (A * 2) + (A + 4) = 52

1A + 2A + 1A + 4 = 52

4A + 4 = 52

4A = 48

A = 12

Now that we know what A is, we can solve for the other two variables:

B = A * 2

B = 12 * 2

B = 24

C = A + 4

C = 12 + 4

C = 16

Now we have all three variables, just don't forget what the variables represent (first side, second side, third side).

Answer:

2800 - 4000

Step-by-step explanation:

40 × 70 = 2800

50 × 80 = 4000

The shortest total length of fence this can be done with will be 440 m as the total area is 2000 m².

The length of a shape's outline is its perimeter. You must add the lengths of all four sides of a rectangle or square to determine its perimeter. In this instance, x represents the rectangle's length and y its width. The distance around an object is called the perimeter. For instance, the yard of your home is fenced in. The fence's length serves as the perimeter. Your fence is 200 feet long if the yard is 50 feet by 50 feet.

Here,

The area=2000 m²

xy=2000

x=2000/y

p=4x+2y

p=4*(2000/y)+2y

=8000/y+2y

p'=-8000/y²+2

-8000/y²+2=0

2y²-8000=0

y²-4000=

y²=4000

y= 20 m

p=8000/20+2*20

p=400+40=440 m

Given that the total area is 2000 m², the shortest total length of fence that can be used is 440 m.

To know more about perimeter,

https://brainly.com/question/6465134?referrer=searchResults

#SPJ4

Answer:

T: (-10,1)

S: (-10,-4)

U: (-5,1)

V:  (-5,-4)

Step-by-step explanation:

Translation means moving the object. Subtract 4 from each x value and add 1 to each y value.

Answer:

T' = (-10, 1)

S' = (-10, -4)

U' = (-5, 1)

V' = (-5, 4)

Step-by-step explanation:

      To do this, we will take each coordinate point, subtract four units from the x-value, and add one unit to the y-value.

T = (-6, 0) ➜ (-6 - 4, 0 + 1) ➜ T' = (-10, 1)

S = (-6, -5) ➜ (-6 - 4, -5 + 1) ➜ S' = (-10, -4)

U = (-1, 0) ➜ (-1 - 4, 0 + 1) ➜ U' = (-5, 1)

V = (-1, -5) ➜ (-1 - 4, -5 + 1) ➜ V' = (-5, 4)

p(t) = 6 + C * e^(-8t) is the general solution to the given differential equation.

The given differential equation is dp/dt = 48 − 8p. To find its general solution, we need to separate the variables and integrate both sides.

dp/(48 - 8p) = dt

Integrating both sides, we get:

-1/8 ln|48 - 8p| = t + C

where C is the constant of integration.

To solve for p, we can isolate the absolute value:

ln|48 - 8p| = -8t - 8C

Taking the exponential of both sides, we get:

|48 - 8p| = e^(-8t-8C)

Since the absolute value of a quantity can be either positive or negative, we need to consider both cases:

48 - 8p = e^(-8t-8C)  or  8p - 48 = e^(-8t-8C)

Simplifying each equation, we get:

p = 6 - (1/8) e^(-8t-8C)  or  p = 6 + (1/8) e^(-8t-8C)

These are the general solutions to the given differential equation.
To find the general solution to the given differential equation dp/dt = 48 - 8p, we'll first recognize that it's a first-order linear differential equation. We can rewrite it as:

dp/dt + 8p = 48

Next, we'll find the integrating factor, which is e^(∫8dt) = e^(8t). Now, we'll multiply both sides of the equation by the integrating factor:

e^(8t)(dp/dt + 8p) = 48e^(8t)

Now the left side of the equation is the derivative of the product of p and the integrating factor:

d(p * e^(8t))/dt = 48e^(8t)

Integrate both sides with respect to t:

∫d(p * e^(8t))/dt dt = ∫48e^(8t) dt

This simplifies to:

p * e^(8t) = 6e^(8t) + C

Now, we'll solve for p by dividing both sides by e^(8t):

p(t) = 6 + C * e^(-8t)

This is the general solution to the given differential equation.

To know more about differential equation. click here:

brainly.com/question/14620493

#SPJ11

Answer:

D or A i think

Step-by-step explanation:

pls mark brainliest

Answer:

B. Angle 2 and Angle 7 are alternate interior angles.

Step-by-step explanation:

Angle 2 and Angle 7 are actually alternate exterior angles. They are on opposite sides of the transversal and so the "alternate" part is correct, however, alternate interior angles are ones on the inside of the transversal, like angles 4 and 5.

Answer:

1 》let equal side be X and other side y

now, length of y= 2x sin teta/2

=12.3×sin42/2

=12.3 × sin21

=4.407

The introduction of B should not have impacted the preference between A and C.

Preference relations that violate Independence of the expected utility theorem:

Independence of irrelevant alternatives (IIA) refers to a preference relation principle that states that the decision maker's preference between two choices should be the same, regardless of the presence or absence of a third, unrelated option.

Suppose the following preferences:

Lottery A: 0.1 chance to win $2,000,000, 0.8 chance to win $1,000,000, 0.1 chance to win nothing

Lottery B: 0.12 chance to win $2,000,000, 0.03 chance to win $1,000,000, 0.85 chance to win nothing, and

Lottery C: 0.4 chance to win $2,000,000, 0.1 chance to win $1,000,000, 0.4 chance to win nothing.

Lottery A over B: A is chosen over B with probability 1

Lottery C over A: C is chosen over A with probability 0.5

Lottery C over B: C is chosen over B with probability 0

Suppose you're trying to decide between A and B, and you choose A. This implies that you have a specific preference between the two options. Similarly, if you choose C over A, it implies that you have a specific preference between those two options as well.

However, if you now compare C to B, you'll see that C is selected over B with probability 0, indicating that there is no preference between the two alternatives. This is in violation of the Independence of irrelevant alternatives theorem because the introduction of B should not have impacted the preference between A and C. Thus, this violates the Independence of the expected utility theorem.

Learn more about probability at

https://brainly.com/question/29176120

#SPJ11

Answer:

20 meters

Step-by-step explanation:

Stick is 5m long

The rope is 12 times as long as the stick

5*12 is 60

60/3 is 20

20 meters. Hope this helps

Merry Christmas!

The first digit must be 1. The remaining seven ones must be either 0 or 1.

Therefore, there can be formed \(2^7=128\) different numbers.

The system of equations represents the number of ears of corn of each type that Larji purchased is x + y = 12. 0 and 40 x + 0. 50 y = 5. 70.

Larji bought a dozen ears of corn.

She prefers yellow corn, which costs 40 cents an ear, and her siblings prefer the peaches and cream variety, which costs 50 cents an ear.

She buys a mixture of each type and pays $5.70.

So, the Number of ears of corn bought by Larji = 1 dozen = 12

Let x be the number of yellow corn.

let y be the number of peaches and cream variety corn

Now we are given that he bought 12 number of ear corns

So, x+y=12 ---1

Now cost of 1 ear of Yellow corn = 40 cents

1 cent = 0.01 dollars

So, 40 cents = 40*0.01 = 0.4 dollar

Cost of 1  ear of Yellow corn = $0.4

Cost of x  ear of Yellow corn = $0.4x

Cost of 1 ear of peaches and cream variety corn = 50 cents

50 cents = 50*0.01 = 0.5 dollars

Cost of 1 ear of peaches and cream variety corn = $0.5

So, Cost of y ear of peaches and cream variety corn =$0.5y

Since we are given that She buys a mixture of each type and pays $5.70.

So, the equation becomes 40 x + 0. 50 y = 5. 70.

Thus, The system of equations represents the number of ears of corn of each type that Larji purchased is x + y = 12. 0 and 40 x + 0. 50 y = 5. 70.

To know more about equations visit: brainly.com/question/29657983

#SPJ4

The curvature (k) of the space curve r(t) = (cos^3(t))i + (sin^3(t))j is given by k = 3(cos(t)sin(t))^2.

To find the curvature of a space curve given by r(t) = (cos^3(t))i + (sin^3(t))j, we need to calculate the magnitude of the curvature vector.

The curvature vector is given by k(t) = |(dT/ds)|, where T is the unit tangent vector and ds is the arc length parameter.

First, we find the unit tangent vector T(t) by differentiating the position vector r(t) with respect to t and normalizing it:

r'(t) = (-3cos^2(t)sin(t))i + (3sin^2(t)cos(t))j

| r'(t) | = sqrt((-3cos^2(t)sin(t))^2 + (3sin^2(t)cos(t))^2)

| r'(t) | = 3|cos(t)sin(t)| = 3|sin(t)cos(t)| = 3(cos(t)sin(t))

Next, we differentiate T(t) with respect to t to find dT/ds:

dT/ds = dT/dt * dt/ds

Since dt/ds is the magnitude of the velocity vector, which is given by | r'(t) |, we have:

dT/ds = (1/| r'(t) |) * r''(t)

Differentiating r'(t) with respect to t, we get:

r''(t) = (-6cos^3(t) + 6sin^3(t))i + (6sin^3(t) - 6cos^3(t))j

Substituting the values into the expression for dT/ds:

dT/ds = (1/3(cos(t)sin(t))) * [(-6cos^3(t) + 6sin^3(t))i + (6sin^3(t) - 6cos^3(t))j]

dT/ds = (-2cos^2(t) + 2sin^2(t))i + (2sin^2(t) - 2cos^2(t))j

Finally, we find the magnitude of dT/ds, which gives us the curvature:

| dT/ds | = sqrt[(-2cos^2(t) + 2sin^2(t))^2 + (2sin^2(t) - 2cos^2(t))^2]

| dT/ds | = sqrt[4(cos^4(t) - 2cos^2(t)sin^2(t) + sin^4(t)) + 4(cos^4(t) - 2cos^2(t)sin^2(t) + sin^4(t))]

| dT/ds | = sqrt[8(cos^4(t) - 2cos^2(t)sin^2(t) + sin^4(t))]

Simplifying further, we have:

| dT/ds | = sqrt[8(cos^2(t) - cos^2(t)sin^2(t) + sin^2(t))sin^2(t)]

| dT/ds | = sqrt[8(sin^2(t) - cos^2(t)sin^2(t))sin^2(t)]

| dT/ds | = sqrt[8(sin^2(t)(1 - cos^2(t)))]

| dT/ds | = sqrt[8(sin^2(t)sin^2(t))]

| dT/ds | =

sqrt[8(sin^4(t))]

| dT/ds | = 2sqrt(2)(sin^2(t))

Therefore, the curvature k of the space curve r(t) = (cos^3(t))i + (sin^3(t))j is given by k = 3(cos(t)sin(t))^2.

Visit here to learn more about space curve:

brainly.com/question/31493687

#SPJ11

Answer:

C.

Step-by-step explanation:

I got it correct good luck bye!

Answer:

c

Step-by-step explanation:

I got it right I did the test

Answer:

The speed at which the Westbound train is traveling is 45 miles per hour

Step-by-step explanation:

Here, we want to know the speed at which the Westbound train is traveling.

Now, let the speed of the westbound train be x mi/hr, what this means is that the speed of the east bound train will be (x-10) mi/hr since it’s 10 mi/hr slower.

Now, we are told that they pass each other 6 hours later

Mathematically, we know that distance = speed * time

The distance covered by the westbound train in 6 hours will be 6 * x = 6x miles

The distance covered by the Eastbound train in 6 hours will be 6(x -10) = (6x-60) mi/hr

Since both trains pass by each other at the 6 hour mark, it means they have both covered the distance of 480 miles between them at this time.

So by adding the individual distances, then we have a total of 480 miles

Thus, mathematically;

6x + 6x -60 = 480

12x = 480 + 60

12x = 540

x = 540/12

x = 45 mi/hr

The algebraic properties of Rn are verified as follows: a. u + (-u) = (-u) + u = 0. This is the commutative property of vector addition. b. c(du) = (cd)u for all scalars c and d. This is the distributive property of scalar multiplication.

a. u + (-u) = (-u) + u = 0.

For any vector u, the vector (-u) is the same as u except for the opposite sign. So, u + (-u) is the sum of two vectors that have the same magnitude but opposite directions. This sum is a zero vector, which has a magnitude of 0.

Similarly, (-u) + u is also a zero vector. This shows that the commutative property of vector addition holds in Rn.

b. c(du) = (cd)u for all scalars c and d.

For any vector u and scalars c and d, the vector c(du) is the same as the vector (cd)u except for the scalar multiplier. So, c(du) and (cd)u have the same magnitude and direction.

This shows that the distributive property of scalar multiplication holds in Rn.

To learn more about distributive property click here : brainly.com/question/12192455

#SPJ11

Production: 168,500 units.

Direct materials: 337,000 pounds.

Direct labor: Calculated based on units produced.

Factory overhead: Calculated based on direct labor hours.

1. Production Budget for the Third Quarter:

BLACK DIAMOND COMPANY Production Budget (in units) Third Quarter

Budgeted sales units: 170,000

Add: Desired ending inventory units: 5,500

Total required units: 175,500

Less: Beginning inventory units: 7,000

Units to produce: 168,500

2. Direct Materials Budget for the Third Quarter:

BLACK DIAMOND COMPANY Direct Materials Budget Third Quarter

Units to produce: 168,500

Materials needed for production (pounds): 2 pounds per snowboard

Total materials required (pounds): 337,000 pounds

Materials to purchase (pounds): Total materials required - Beginning inventory pounds - Desired ending inventory pounds

3. Direct Labor Budget for the Third Quarter:

BLACK DIAMOND COMPANY Direct Labor Budget Third Quarter

Units to produce: 168,500

Direct labor hours needed: 0.5 hour per snowboard

Cost of direct labor: Direct labor hours needed * Direct labor rate

4. Factory Overhead Budget for the Third Quarter:

BLACK DIAMOND COMPANY Factory Overhead Budget Third Quarter

Direct labor hours needed: Calculated from the direct labor budget

Budgeted variable overhead: Direct labor hours needed * Variable overhead rate

Budgeted total factory overhead: Budgeted fixed overhead + Budgeted variable overhead

Note: The specific rates for direct materials, direct labor, and variable overhead were not provided in the given information and would need to be included in the calculations based on the company's specific cost structure.

Learn more about Production here:-

https://brainly.com/question/30284183

#SPJ11

Solution

There are 100 units

Brief Explanation

The the function to estimate the average age of employee of a company is A(s)=0.285s + 59  , then the average age of employee in 2003 is 65.27 and in 2009 is 66.98

To estimate the average age of an employee in 2003, we need to find the value of A(s) when s = 22  ;

because the number of years between 2003 and 1981 is = 22 years ;

So , A(22) = 0.285×22 + 59 = 65.27  ;

The average age of an employee in 2003 is approximately 65.27.

To estimate the average age of an employee in 2009,

we need to find the value of A(s) when s = 28

because the number of years between 2009 and 1981 is = 28 years ;

So , A(28) = 0.285×28 + 59 = 66.98  ;

The Average age of employee in 2009 is approximately 71.48.

The given question is incomplete , the complete question is

The function​ A(s) given by ​A(s)=0.285s + 59  can be used to estimate the average age of employee of a company in the year 1981 to 2009. Let​ A(s) be the average age of an​ employee, and "s" be the number of year since​ 1981; that​ is, s=0 for 1981 and s=9 for 1990. What is the average age of the employee in 2003 and in​ 2009 ?

Learn more about Function here

https://brainly.com/question/14909799

#SPJ4

Answer:

Does the answer help you?

The position value, r(t) is equals to the (t³/6)k + 2j and velocity value, v(t) is equals to ( t²/2 )k + 4i , for a(t) = tk, v(0) = 4i, r(0) = 2j.

Acceleration is defined as the rate of change of the velocity of an object with respect to time. Accelerations are vector quanty.

a = dv/dt

We have the following informations are available,

Initial velocity, v(0) = 4i

Initial position, r(0) = 2j

Acceleration at any time "t",

a(t) = tk

we have to determine the value of v(t) and r(t).

As we know, a(t) = dv(t)/dt = tk

integrating the above equation ,

v(t) = ∫tk dt = ( t²/2 )k + c

at t = 0 , v(0) = 0 + c = 4i ( since, v(0) = 4i

=> c = 4i

So, v(t) = ( t²/2 )k + 4i

Also, velocity is calculated by derivative of postion (r) with respect to time.

=> v(t) = dr(t) /dt

=> r(t) = ∫ v(t) dt

=> r(t) = ∫ ( t²/2 )k dt

integrating value of the right hand side,

r(t) = ( t³/2×3 )k +d

= (t³/6)k + d

At t = 0, r(0) = (0/6)k + d

=> r(0) = d = 2j

so, r(t) = (t³/6)k + 2j

Hence, the required position and velocity are

(t³/6)k + 2j and ( t²/2 )k + 4i.

To learn more about Accelation , refer:

https://brainly.com/question/10307723

#SPJ4

Marketing variables that are included in consumer discrete choice models are often endogenous. Extant treatments using likelihood-based estimators impose parametric distributional assumptions, such as normality, on the source of endogeneity. These assumptions are restrictive because mis specified distributions have an impact on parameter estimates and associated elasticities. The normality assumption for endogeneity can be inconsistent with some marginal cost specifications given a price-setting process, although they are consistent with other specifications. In this paper, we propose a heterogeneous Bayesian semiparametric approach for modeling choice endogeneity that offers a flexible and robust alternative to parametric methods. Specifically, we construct centered Dirichlet process mixtures (CDPM) to allow uncertainty over the distribution of endogeneity errors. In a similar vein, we also model consumer preference heterogeneity nonparametrically via a CDPM. Results on simulated data show that incorrect distributional assumptions can lead to poor recovery of model parameters and price elasticities, whereas the proposed semiparametric model is able to robustly recover the true parameters in an efficient fashion. In addition, the CDPM offers the benefits of automatically inferring the number of mixture components that are appropriate for a given data set and is able to reconstruct the shape of the underlying distributions for endogeneity and heterogeneity errors. We apply our approach to two scanner panel data sets. Model comparison statistics indicate the superiority of the semiparametric specification and the results show that parameter and elasticity estimates are sensitive to the choice of distributional forms. The CDPM specification yields evidence of multimodality, skewness, and outlying observations in these real data sets.

To learn more about Endogeneity and Heterogeneity

visit: https://brainly.com/question/28449489

SPJ4

Step-by-step explanation:

36 is your answer

I hope.it helps mate

have a nice day

#Captainpower

Answer:

Step-by-step explanation:

surface area=(a+b+c)*h

=(5+5+6)*5

=16*5

=80 cm^2