Expand x(4 --3.4y) show FULL work

Answers

Answer 1

Answer:

4x - 3.4xy

Step-by-step explanation:

x(4 - 3.4y)

4x - 3.4xy


Related Questions

An art gallery is increasing the asking price of its paintings by 60%. A painting now costs $400.00. How much was the painting before the increase??

Answers

Answer:

$240

Step-by-step explanation:

60% = 0.6

400 divided by 0.6 = 240

Which of the following is the inverse Laplace transformation -2s²+2 L-1 F (2} ? 83 Of+2 Of-2 0 -24 +1 ² O 2+ +1 ² O None of them

Answers

The inverse Laplace transformation of the given Laplace transform `-2s² + 2L^-1 F(s)` is `(t³ - t)u(t)`.

Explanation:

Laplace Transform: We are given the Laplace transform as:

`-2s² + 2L^-1 F(s)`

We can write the Laplace transform as a polynomial:

`-2s² + 2 / (s - 2)`

Inverse Laplace Transform:

Using partial fraction method, we can write:

`-2s² + 2 / (s - 2) = A / (s - 2) + Bs + C`

Multiplying by `s - 2`, we get:

`-2s² + 2 = A + Bs(s - 2) + C(s - 2)`

Substituting `s = 2`, we get:`

-6A = 2` or `A = -1/3`

Comparing coefficients of `s`, we get:

`B - 2C = 0` or `B = 2C`

Comparing constants, we get:`-2C - 2A = 0` or `C = 1/3`

Therefore, the partial fractions decomposition is:

`-2s² + 2 / (s - 2) = (-1/3) / (s - 2) + (2/3) s + (1/3)`

Taking inverse Laplace transform on both sides, we get:

`L^-1 {-2s² + 2 / (s - 2)} = L^-1 {(-1/3) / (s - 2) + (2/3) s + (1/3)}`

Using the linearity of inverse Laplace transform, we get:

`-2L^-1 {s²} + 2L^-1 {1 / (s - 2)} = (-1/3)L^-1 {1 / (s - 2)} + (2/3)L^-1 {s} + (1/3)L^-1 {1}`

We know that `L^-1 {1} = δ(t)` and `L^-1 {1 / (s - a)} = e^at u(t)`

where `a` is a constant. Substituting the values, we get:

`-2L^-1 {s²} + 2L^-1 {1 / (s - 2)} = (-1/3)e^{2t}u(t) + (2/3)L^-1 {s} + (1/3)δ(t)`

We know that `L^-1 {s^n} = t^n / n!`Therefore, `L^-1 {s} = 1`.

Substituting the values, we get:

`-2L^-1 {s²} + 2L^-1 {1 / (s - 2)} = (-1/3)e^{2t}u(t) + (2/3)t + (1/3)δ(t)`

Taking inverse Laplace transform of

`-2s² + 2L^-1 F(s)`, we get:

`L^-1 {-2s² + 2L^-1

F(s)} = L^-1 {(-1/3) / (s - 2) + (2/3) s + (1/3)}

= (t³ - t)u(t)`

Therefore, the option `(a) t³ - t` is the inverse Laplace transformation of `-2s² + 2L^-1 F(s)`.

Hence, the correct option is `(a) t³ - t`.

To know more about the inverse Laplace transformation, click here;

https://brainly.com/question/30404106

#SPJ11

ill give brainliest

Write and solve an equation to determine the unknown variable. Then find the measure of the unknown angles.

Your options are:

A. x + 7 + 2x - 40 = 180 One angle is 78 degrees and the other is 102 degrees

B. x + 47 = 180 The unknown angles are both 133 degrees

C. x + 7 + 2x - 40 = 90 One angle is 48 degrees and the other is 42 degrees

D. x + 7 = 2x - 40 The unknown angles are both 54 degrees ​

Answers

Answer:

Answer:

To determine to measure of the unknown angle, be sure to use the total sum of 180°. If two angles are given, add them together and then subtract from 180°. If two angles are the same and unknown, subtract the known angle from 180° and then divide by 2.

1/2 + 1/5 fraction model pls help!

Answers

1/2 + 1/5 = 5/10 + 2/10 = 7/10

Answer:

7/10

Step-by-step explanation:

1x5/2x5 + 1x2/5x2

=5/10+2/10

=7/10

pls help i really really need it, the question is on the picture
will mark the brain thing
#LLJW

Answers

Step-by-step explanation:

Use ToA method (tan = opposite / adjacent)

For this question we have to use pythagoras' Theorem to find the adjacent side.

take a as the length of the adjacent side.

given b = 12

c = 13

By pythagoras' Theorem,

[tex] {c}^{2} = {a}^{2} + {b}^{2} \\ {a}^{2} = {c}^{2} - {b}^{2} \\ {a}^{2} = {13}^{2} - {12}^{2} \\ {a}^{2} = 169 - 144 \\ {a}^{2} = 25 \\ a = \sqrt{25} \\ = 5[/tex]

Now we can find tan(x)

tan(x) = Opposite / adjacent

[tex] = \frac{12}{5} [/tex]



2) Michael decides to go for a cycle ride. He rides a ​

distance of 80 km at an average speed of 24 km/h. ​

Work out how long Michael’s ride takes

Answers

Step-by-step explanation:

REMEMBER D/S×T (triangle)

therefore, finding time

D/S

80/24

make sure to press the degrees button on your calculator

3 hours and 20 minutes

1) (28 ÷ 4) + 3 + (10 - 8) × 5 2) 12 - 5 + 6 × 3 + 20 ÷ 4 3) 36 ÷ 9 + 48 - 10 ÷ 2 4) 10 + 8 × 90 ÷ 9 - 4 5) 8 × 3 + 70 ÷ 7 – 7

Answers

Answer:

1) 20.

2) 30.

3) 47.

4) 86.

5) 27.

Step-by-step explanation:

The order of operations consist in, first, evaluate the parenthesis, then the exponents, the multiplication, the division, and as last the addition and subtraction. Having this in mind:

1) (28 ÷ 4) + 3 + (10 - 8) × 5

7 + 3 + 2 × 5

7 + 3 + 10

20

2) 12 - 5 + 6 × 3 + 20 ÷ 4

12 - 5 + 18 + 5

30

3) 36 ÷ 9 + 48 - 10 ÷ 2

4 + 48 - 5

47

4) 10 + 8 × 90 ÷ 9 - 4

10 + 80 - 4

86

5) 8 × 3 + 70 ÷ 7 – 7

24 + 10 - 7

27

Given: SSb = 21 SSW = 142 dfb = 3 dfw = 290 What is the value for the mean squares between?

Answers

For the given values of SSb, SSW, dfb, and dfw, the value for the mean squares between (MSb) is 7.

To find the mean squares between (MSb), you need to divide the sum of squares between (SSb) by the corresponding degrees of freedom (dfb).

MSb = SSb / dfb

Using the values provided:

SSb = 21

dfb = 3

MSb = 21 / 3

MSb = 7

Therefore, the value for the mean squares between (MSb) is 7.

Mean squares, also known as the mean squared error (MSE), is a statistical measure used to assess the average squared difference between the predicted and actual values in a dataset.

It is commonly used in various fields, including statistics, machine learning, and data analysis, to evaluate the performance of a prediction model or to quantify the dispersion or variability of a set of values.

To know more about degrees of freedom, visit the link : https://brainly.com/question/28527491

#SPJ11

Use the graph below to make a rough estimate for the slope m and the y-intercept b of the regression line for these points. Click on the magnifying-glass icon at the bottom right corner of the graph to see and enlarged version.

Answers

The slope (m) of the regression line can be estimated as approximately 0.6, while the y-intercept (b) can be estimated as around 2.5.

Based on the provided graph, what are the estimated values for the slope (m) and y-intercept (b) of the regression line?

Upon analyzing the graph, we can make a rough estimate for the slope (m) and y-intercept (b) of the regression line. The slope represents the rate of change between the independent variable (x) and the dependent variable (y), while the y-intercept indicates the value of y when x is zero.

From the graph, we observe that the regression line appears to have a positive slope, suggesting a positive correlation between the variables. By estimating the change in y divided by the change in x for two points on the line, we can approximate the slope. In this case, considering the rise and run between two points, the slope (m) is approximately 0.6.

The y-intercept (b) can be determined by identifying the point where the regression line intersects the y-axis. In this graph, the intersection seems to occur around the y-value of 2.5, providing us with an estimated y-intercept.

To gain a more precise understanding of the regression line's characteristics and verify these estimates, it is recommended to utilize statistical techniques such as linear regression analysis. These techniques can provide accurate slope and intercept values, along with additional statistical measures like the coefficient of determination (R-squared) to assess the line's goodness of fit.

Learn more about: regression line

brainly.com/question/30243761

#SPJ11

f(x) = 0.5x -6 evaluate f (3) =

Answers

Answer:

F(3) = -4.5

Step-by-step explanation:

Replacing x with 3 in F(x) = 0.5x - 6 results in F(3) = 0.5(3) - 6, or -4.5

F(3) = -4.5

Which expression represents the area of the shaded region?
(picture below)

Answers

Answer:

B

Step-by-step explanation:

total area minus white area give you shaded area

A local grocery store stocks packages of plain M&M's and packages of peanut M&M's. The ratio of the number of packages of peanut M&M's to the total number of packages on the shelf was 8 to 18.



Which number could be the number of packages of plain M&M's on the shelf?

Answers

Answer:

30

Step-by-step explanation: Because each batch has 18 total m&ms and there are 8 in each batch minus and then multiply.

The number of packages of plain M&M's on the shelf could be any multiples of 5.

What is Ratio?

Ratio is defined as the relationship between two quantities where it tells how much one quantity is contained in the other.

The ratio of a and b is denoted as a : b.

Given that,

Ratio of the number of packages of peanut M&M's to the total number of packages on the shelf = 8 : 18

That is, if there are total of 18 packages, 8 are peanut M&M's.

Number of plain M&M's out of 18 total packages = 18 - 8 = 10.

So,

Ratio of peanut M&M's to plain M&M's = 8 : 10

                                                                = 4 : 5

This indicates that, for a constant x,

Number of peanut M&M's = 4x

Number of plain M&M's = 5x

So the number of packages of plain M&M's on the shelf could only be the multiples of 5.

So it could be 5, 10, 15, 20, 25, 30, .......

Hence the number of plain M&M's on the shelf could be 5, 10, 15, 20, 25, 30, ......

Learn more about Ratio here :

https://brainly.com/question/13419413

#SPJ3

What is the value of x? Show me how you got your answer.

Answers

Answer:

x = 30

since 3x = 90 degrees, then x = 90/3 = 30

Step-by-step explanation:

the pair of polygons is similar. find the missing side measure.

Answers

Answer:

x = 3

Step-by-step explanation:

8.4 ÷ 6 = 1.4

4.2 ÷ 1.4 = 3

54 out of the 72 teachers in a school staff meeting were first-year teachers. What percentage of the teachers in The meeting were first-year Teachers? ​

Answers

Answer:

75%

Step-by-step explanation:

54/72 = 0.75

An inch is equal to about 2.54 centimeters. Write an expression which estimates the number of centimeters in X inches

Answers

Answer: 2.54(x)

Step-by-step explanation:

Since an inch is equal to about 2.54 centimeters, the expression which estimates the number of centimeters in X inches will be gotten by multiplying 2.54 by X. This will be:

= 2.54 × X

= 2.54(x)

For example, if there are 4 inches, the number of centimeters in it will be:

= 2.54(x)

= 2.54 × 4

= 10.16 inches

How many solutions would there be for the following system of equations? y = 3x - 5 67 – 2g = 10 A 1 Solution B 2 Solutions c) No solution D Infinitely Many solutions​

Answers

Answer:

D

Step-by-step explanation:

Given the 2 equations

y = 3x - 5 → (1)

6x - 2y = 10 → (2)

Substitute y = 3x - 5 into (2)

6x - 2(3x - 5) = 10

6x - 6x + 10 = 10 ( subtract 10 from both sides )

6x - 6x = 0 , that is

0 = 0 ← True

This indicates the system has infinitely many solutions → D

can anyone answer this? thanks :)

Answers

Answer:

39°

Step-by-step explanation:

The sum of AXE, AXC and CXF will be 180 because they together span a straight line (EF).

So: y + 90 + y - 12 = 180, which is an equation you can solve by simplifying it:

y + 90 + y - 12 = 180

2y + 78 = 180

y + 39 = 90

y = 90 - 39 = 51

So AXE = 51

AXC = 90

CXF = 51-12 = 39 (the answer)

Check: 51+90+39 = 180

Larry spends half of his workday teaching piano lessons. If he sees 6 students, each for the same amount of time, what fraction of his workday is spent with each student? *

Answers

Answer:

1/12

Step-by-step explanation:

bc ik

Answer:

the right answer is 1/12

Step-by-step explanation:

78/0000

67

777

7654

Ž + 7
+7 = 12
Help me with this
And a step by step

Answers

Z =-2 that’s what it is

help with this please lol

Answers

Answer:

x = 107

Step-by-step explanation:

44+29+107=180

a triangle equals 180 with all the degrees added together :)

Jace went shopping for a new video game. The listed price of the video game was $41,
but the price with tax came to $44.28. Find the percent sales tax.

Answers

Answer:

It would be 8% .

Good luck ^^

You should answer part of this question in the group quiz. (a) What does it mean for a sequence to converge? What does it mean for a sequence to diverge? (b) Is there a sequence 01, 02, a3... with lan) <0.0001 for all n= 1,2,3,... that diverges? (c) Is there a sequence 1000 01, 02, 03... with an < for all n = 1,2,3,... n 45 135 405 that diverges? 2. * (L+) You should answer part of this question in the group quiz. Consider the sequence 15 1215 2' 8' 32 128 512 (a) What is the expression for the nth term in the sequence an, assuming the sequence starts at ag? (b) Does the series obtained by adding the terms of the sequence, Enzo An, converge or diverge? 3. * (L+) You should answer part of this question in the group quiz. Consider the IVP y" - xy' + y2 = 1 subject y(0) = 1 and y'(0) = 6. Find a series solution up to and including x4.

Answers

The series solution up to and including x⁴ is given by y(x) = 1 + 6x + (1/2)x² + (5/6)x³ + (1/4)x⁴ + ...

1.(a) A sequence is said to converge if its terms approach a specific value as the index of the terms increases without bound. In other words, as you go further along in the sequence, the terms get arbitrarily close to a particular limit value.

A sequence is said to diverge if its terms do not approach a specific value or if they move away from any possible limit as the index increases without bound. In other words, there is no single value that the terms of the sequence tend to as you go further along.

(b) Is there a sequence 01, 02, a3... with lan) <0.0001 for all n = 1,2,3,... that diverges No, there is no such sequence. If a sequence has a limit, then for any positive epsilon (ε), there exists a positive integer N such that for all n > N, |an - L| < ε, where L is the limit. In this case, if the limit exists, all terms beyond a certain index will be arbitrarily close to the limit, and it would violate the condition lan) < 0.0001 for all n = 1,2,3,... Therefore, if the condition holds, the sequence must converge.

(c) Is there a sequence 1000 01, 02, 03... with an < for all n = 1,2,3,... n 45 135 405 that diverges No, there is no such sequence. The sequence you provided starts with 1000, and each subsequent term increments by 1. Since the terms are increasing, the sequence does not approach any limit and therefore diverges.

2. (a)The nth term in the sequence an, assuming the sequence starts at a₀ we can observe that each term is obtained by multiplying the previous term by 4. So the expression for the nth term in the sequence can be given as

Aₙ = a₀ × 4ⁿ⁻¹

Given that a₀ = 15, the expression for the nth term in the sequence is:

aₙ = 15 × 4ⁿ⁻¹

(b) Does the series obtained by adding the terms of the sequence, Σan, converge or diverge

The series obtained by adding the terms of the sequence converges or diverges, we need to calculate the sum of the terms. Let's denote the sum of the series as S.

S = a₀ + a₁ + a₂ + ... + aₙ

Substituting the expression for an derived in part (a), we have:

S = 15 + 15 × 4⁰ + 15 × 4¹ + 15 × 4² + ... + 15 × 4ⁿ⁻¹

Using the formula for the sum of a geometric series, we can simplify this expression:

S = 15 × (1 + 4⁰ + 4¹ + 4² + ... + 4ⁿ⁻¹)

The sum of a geometric series with a common ratio greater than 1 is given by:

S = a × (1 - rⁿ) / (1 - r)

In this case, a = 15 and r = 4. Letting n approach infinity, we have:

S = 15 × (1 - 4ⁿ) / (1 - 4)

As n approaches infinity, the term 4ⁿ grows larger and larger. Since the common ratio (4) is greater than 1, the term 4ⁿ approaches infinity. Therefore, the sum of the series also approaches infinity.

Hence, the series obtained by adding the terms of the sequence diverges.

3) A series solution up to and including x⁴ for the initial value problem (IVP) y" - xy' + y² = 1 with the initial conditions y(0) = 1 and y'(0) = 6, we can use the power series method.

Let's assume that the solution y(x) can be expressed as a power series:

y(x) = a₀ + a₁x + a₂x² + a₃x³ + a₄x⁴ + ...

Differentiating y(x) with respect to x, we get:

y'(x) = a₁ + 2a₂x + 3a₃x² + 4a₄x³ + ...

Similarly, differentiating y'(x) with respect to x, we obtain:

y''(x) = 2a₂ + 6a₃x + 12a₄x² + ...

Now, let's substitute these expressions into the given differential equation:

y''(x) - xy'(x) + y(x)² = 1

(2a₂ + 6a₃x + 12a₄x² + ...) - x(a₁ + 2a₂x + 3a₃x² + 4a₄x³ + ...) + (a₀ + a₁x + a₂x² + a₃x³ + a₄x⁴ + ...)² = 1

Expanding and collecting the terms with the same power of x, we get:

(2a₂ - a₀) + (6a₃ - a₁ - 2a₂) x + (12a₄ - 2a₁ + 3a₃) x² + ...

To satisfy the equation, each coefficient of x must be equal to zero. Setting the coefficients to zero, we have:

2a₂ - a₀ = 0 (Coefficient of x⁰)

6a₃ - a₁ - 2a₂ = 0 (Coefficient of x¹)

12a₄ - 2a₁ + 3a₃ = 0 (Coefficient of x²)

Using the initial conditions y(0) = 1 and y'(0) = 6, we have:

a₀ = 1 (Initial condition)

a₁ = 6 (Initial condition)

Solving the equations above, we find

a₂ = a₀/2 = 1/2

a₃ = (a₁ + 2a₂)/6 = (6 + 2/2)/6 = 5/6

a₄ = (2a₁ - 3a₃)/12 = (2(6) - 3(5/6))/12 = 1/4

Therefore, the series solution up to and including x⁴ is given by:

y(x) = 1 + 6x + (1/2)x² + (5/6)x³ + (1/4)x⁴ + ...

To know more about series click here :

https://brainly.com/question/31581362

#SPJ4

Find the length of side AB.
Give your answer to 1 decimal place.
C
12 cm
62°
A
B

Answers

Answer:

5.63cm

Step-by-step explanation:

to find length of side AB

12[tex]cos[/tex][62°]

=5.63cm

what’s the answer ??

Answers

Answer:

answer A shows a rotation

A because B is a mirror, c is a translation

Which expression is equivalent to -36 - 8?
Choose 1 answer:
36 + 8
Pro
B
8 - 36
Pro
Tea
-36 +(-8)
D
-8 + 36

Answers

-36-8 = -44

-36+(-8) = -44
third option

Simplify the expression (x + 3) +9
A. 3x + 9
B. x + 9
C. x + 3
D. x + 12

Answers

Answer:

x +12

Step-by-step explanation:

Answer:

x + 12

Step-by-step explanation:

[tex](x + 3) + 9[/tex]

[tex]x + 3 + 9[/tex]

[tex] = x + 12[/tex]

1\ solve the system using elimination. 4x+5y=2 -2x+2y=8

Answers

The answer would be 6x+3y=2


please whats this?

Answers

Answer:

5 ³⁄₁₀ or ⁵³⁄₁₀

Step by step explanation:

Answer:

[tex]5 \frac{3}{10}[/tex]

Help me please!!!!!!!!!!!

Answers

Answer:

A reflection over the y-axis.

Other Questions
If the primary deficit is zero then the ratio of the debt to GDP is a. falling over time b. increasing over time c. constant over time d. increasing and then decreasing e. We do not have enough information 2. Solve the following problems involving simple interest. RecallSimple Interest-INT=PV*r*tAn investor decides to offer a business owner a $45,000 loan at simple interest of 3.5%per year. Find the total amount in dollars, the investor will receive when the loan isrepaid after 7 years. The amount of paint needed to cover a wall is proportional to its area. The wall is rectangular and has an area of 4z^2+2z square meters. Factor this polynomial A 3. 00-kilogram mass is thrown vertically upwardwith an initial speed of 9. 80 meters per second. What is the maximum height this object willreach? [Neglect friction. ](1) 1. 00 m (3) 9. 80 m(2) 4. 90 m (4) 19. 6 m A monopolistic firm is considering to decrease the price of its product from $10 to $7. According to the available data, the quantity demanded will rise from 1200 units to 1800 units. (1) Using the midpoint method, compute the arc elasticity between two prices, $10 and $7. (2) Based on the elasticity you computed in (1), explain whether or not the firm should decrease the price from $10 to $7 in order to increase its revenue. Dont guess!I will mark brainliest if its correct!Also no links! Wellington Holdings uses the Weighted Average process costing method to account for production. The following information is available for a recent period: Beginning work in process on January 1 consisted of 90,000 units that were 80% complete with respect to raw materials and 40% complete with respect to conversion costs. Ending work in process on January 31 consisted of 50,000 units that were 60% complete with respect to raw materials and 50% complete with respect to conversion costs. 200,000 units were put into production during the month of January. Beginning work in process carried a total cost of $750,000 ($387,000 Direct Materials and $353,000 Conversion Costs). Additional costs incurred during the month were Direct Materials $693,000, Direct Labour $674,000 and Manufacturing Overhead of $700,000. Required: (a) Prepare a schedule reconciling the Physical Flow of Units. (b) Calculate the Equivalents Units for Direct Materials and Conversion Costs. (c) Calculate the Cost per Equivalent Units. (d) Determine the Cost of Completed Units for January. (e) Determine the Cost assigned to Ending Work in Process Inventory for January. PLEASE HELP!!!!!Part A: Which person has earned more money after working 3 hours? Show or explain your work.Part B: After how many hours of work Will Mary Ann and Carlos have saved the same amount?show or explain your work. After reading Chapter 17, chose one of the great trade empires of Africa (Axum, Ghana, Mali, Ife, Oyo, Benin, or the Swahili City-States). Then, pretend that you teaching a history class. Write a two-paragraph summary of the civilization that you chose. What are the main features of the civilization? What made that civilization powerful and why is it important to history? When there is an excess demand of a product in an unregulated market, the tendency is for quantity demanded to increase. quantity supplied to decrease. O price to rise. O price to decrease. A random sample of16size A batteries for toys yield a mean of3.29 hours with standard deviation,1.4hours.(a) Find the critical value,t, for a99%Confidence interval.(b) Find the margin of error for a99%Confidence interval. what is evidence that value or size effects are based on rational pricing? 1. small stocks perform badly during recessions but perform well after recessions 2. the size and value anomaly returns positively predict next year's gdp growth. 3. small stocks are illquid. their transaction costs are higher. so people discount its current price. Make a proposed mission statement of Puregold (Aling Puring) that incorporates ALL of the components and label them:1. Customers2. Products or serviced3. Markets4. Technology5. Concern for survival, growth and profitability6. Philosophy7. Self-concept8. Concern for public image9. Concern for employeesLimit to 150 words only Is this a Function or not a Function? Help Sara had 27 peaches and 11 pears left at her roadside fruit stand. She went to the orchard and picked more peaches to stock up the stand. There are now 63 peaches at the stand, how many did she pick Please help me on this question if you would want brianleist!! Tank yah!! ^^ (Technology) solving for x, please help When relative income (that is, the income of relevant others) is included in a SWB equation, we tipically find that (A) average SWB increases with relative income B the effect is non-significant the higher the relative income, the higher the aspiration level and thus, the higher the SWB D average SWB decreases with relative income What happened on March 15 in the year 44 B.C.? Caesar began a civil war. Caesar's enemies killed him. C. The Council of the Plebs met. d. All enslaved people were freed. Please select the best answer from the choices provided Com o C Which of the following elements is a nonmetal?a. Nitrogenb. Sodiumc. Irond. Silvere. Calcium