Factorise and Simplify :

a) 6p - 7q/12p - 14q

b) 6x⁵ - 8x²/2x

c) 10a + 15b/5

d) p² - 6q + 8/3p - 6


guys please help! please

Answers

Answer 1

a) We can factor out a common factor of two from the denominator and a half from the numerator: (6p - 7q)/(12p - 14q) = (3p - 7q/2)/(6p - 7q)

b) The numerator and denominator can be factored to provide a common factor of2x²: (6x⁵ - 8x²)/(2x) = 2x³ - 4

c) A common factor of 5 may be extracted from the numerator: (10a + 15b)/5 = 2a + 3b

d) By grouping factors, we may factor the numerator: p² - 6q + 8/3p - 6 = [(p² - 6q) + 8]/[3(p - 2)] = (p - 2)(p - 4)/(p - 2) = p - 4 (where p ≠ 2)

Factorising is the process of employing brackets to represent an expression as the product of its components. We do this by eliminating any elements that are shared by all of the expression's terms. Maths. Algebra. We must eliminate any factors that are shared by each word in an expression before we can factorize it. Expanding brackets is the process's reverse.

Finding an expression's highest common factor (HCF), or the largest number or letter that each term can be split by, is necessary to ensure that it has been properly factorized. Otherwise, there will still be common factors inside the bracket, preventing the expression from being properly factorized.

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Related Questions

The Burj Khalifa, located in Dubai in the United Arab Emirates, is the tallest building in the world as of 2022. Andre visited Dubai over winter break. He stood 1000 meters away from the building, looked up at a 39.62 degree angle using a laser rangefinder and spotted the top of the building.
Andre
If every floor is 5.079 meters tall, how many floors are there in the Buri Khalifa?

Answers

The Burj Khalifa, located in Dubai in the United Arab Emirates, is the tallest building in the world as of 2022, there are approximately 148 floors in the Burj Khalifa.

We can make use of the data given to determine the Burj Khalifa's floor count.

Andre is known to have stood 1,000 metres away from the structure and turned his head to look up at a 39.62 degree angle.

Let's write "h" for the Burj Khalifa's height and "d" for Andre's distance from the building's base.

tan(39.62°) = h / d

h = d * tan(39.62°)

h = 1000 * tan(39.62°) ≈ 753.7 meters

So, as per this, Number of floors = h / floor height

Number of floors = 753.7 meters / 5.079 meters

Number of floors ≈ 148.4 floors or 148 floors.

Thus, 148 floors are there in Burj Khalifa.

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find the perimeter of a rectangle where the width is 2x^2 + 5x-4 and the length is 3x+2

Answers

Answer:

The perimeter of the rectangle is P = 4x^2 + 16x - 4.

Step-by-step explanation:

1. L = 3x + 2, W = 2x^2 + 5x - 4

2. P = 2(L + W)

3. P = 2((3x + 2) + (2x^2 + 5x - 4))

4. P = 2(2x^2 + 8x - 2)

5. P = 4x^2 + 16x - 4

Jckson plans to make an open box with the dimensions shown as a prop for the school play. the dimensions are 5 3.75 and 2.5

Answers

Based on the assumption mentioned above, the dimensions of the open box would be:

Length: 5 units

Width: 3.75 units

Height: 2.5 units.

To create an open box as a prop for the school play, Jackson will need three dimensions: length, width, and height. The given dimensions provided are 5, 3.75, and 2.5, but it is not specified which dimension corresponds to which measurement.

To determine which dimension represents which measurement (length, width, or height), we need additional information or clarification. Typically, the length refers to the longest side of the box, the width is the shorter side, and the height is the vertical dimension.

If we assume that 5 represents the length, 3.75 represents the width, and 2.5 represents the height, we can proceed with those dimensions. However, it's important to note that without confirmation or further context, this assumption may not be accurate.

Therefore, based on the assumption mentioned above, the dimensions of the open box would be:

Length: 5 units

Width: 3.75 units

Height: 2.5 units.

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Plant cells and animal cells were observed under a microscope. The characteristics of two cells are listed below.

Cell X: Has chloroplast
Cell Y: Does not have a cell wall

Which statement about the two cells is correct?

Cell X has a cell membrane.
Cell X has a small vacuole.
Cell Y has a large vacuole.
Cell Y has chloroplast.
PLEASE HELP!!!

Answers

The correct statement about the two cells is:Cell Y has a large vacuole.

Cell X is described as having chloroplast, which is an organelle found in plant cells and is responsible for photosynthesis. This indicates that Cell X is a plant cell. Since the presence of chloroplast is mentioned specifically for Cell X and not for Cell Y, it implies that Cell Y is an animal cell, as animal cells do not contain chloroplasts.

Cell X having a cell membrane is not stated explicitly, and it is a characteristic shared by both plant and animal cells. Therefore, we cannot conclude whether Cell X has a cell membrane or not based on the given information.

The statement Cell X has a small vacuole is not mentioned in the provided characteristics, so we cannot determine the size of the vacuole in Cell X.

On the other hand, Cell Y not having a cell wall is mentioned, which is a characteristic specific to animal cells.Cell Y does not have a cell wall.

The correct statement based on the given information is that Cell Y has a large vacuole, while the other statements cannot be determined from the provided characteristics.

The correct statement about the two cells is: Cell Y has a large vacuole.

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What is the range of g(x) = |x + 3| + 2? A. [-3, ∞) B. (-∞, 2] C. [2, ∞) D. (-∞, ∞)

Answers

Answer:

C.  [2, + ∞)

-----------------

Given function:

g(x) = | x + 3| + 2

We know that absolute value is non-negative, hence |x + 3| has a minimum value of 0 when x = - 3. Then the function has a minimum value of 2.

The range is the set of output values. As we see given function has a minimum value of 2 and no maximum value.

It can be shown as:

g ∈ [2, + ∞)

The matching choice is C.

of x. i) Let f: R-R be defined by f(x) = mx + c, x = R. If f(0) = 5 and f(1) = 6, find the values. of m and c. Also, find the function f(x). ​

Answers

The values of m and c are m = 1 and c = 5.

The function f(x) is given by: f(x) = x + 5

How to solve the function

To find the values of m and c in the function f(x) = mx + c, we can use the given information that f(0) = 5 and f(1) = 6.

Let's substitute x = 0 into the function:

f(0) = m(0) + c = 0 + c = c

We know that f(0) = 5, so c = 5.

Now let's substitute x = 1 into the function:

f(1) = m(1) + c = m + c = m + 5 = 6

Subtracting 5 from both sides, we have:

m + 5 - 5 = 6 - 5

m = 1

Therefore, the values of m and c are m = 1 and c = 5.

The function f(x) is given by:

f(x) = mx + c

f(x) = 1x + 5

f(x) = x + 5

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Which statement correctly explains the association of the scatter plot? Since the Y values increase as the X values increase the Scatter plot shows a positive association. Sense to Weibo use decrease as the X values increase the scatter plot shows a positive association.

Answers

The statement "Since the y-values decrease as the x-values increase, the scatter plot shows a negative association" correctly explains the association of the scatter plot.

Why is the statement correct?

From the plot, we see that:

Any time the Y value decreases,  it will be a negative valueAny time the X value decreases, it will be a negative value

A scatter pIot is a type of graph that shows the reIationship between two variables. The variabIes are plotted on the x-axis and y-axis, and each data point is represented by a dot. The pattern of the dots can be used to infer the reIationship between the variables.

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100 Points! Geometry question. Photo attached. Find x and y. Please show as much work as possible. Thank you!

Answers

The values of given x and y is,

x  = 6 and  y = 13/2

Since we know that,

Basic proportionality theorem,

The basic proportionality theory was developed by Thales, a great Greek mathematician; hence, it is also known as the Thales theorem. According to the great mathematician, the ratio of any two matching sides of any two equiangular triangles is always the same. The basic proportionality theorem (BPT) was suggested based on this premise.

Since we know that,

In the figure we that,

⇒ 2x + 1 = x +7

⇒        x  = 6

Similarly

⇒ 3y - 8 = y +5

⇒ y = 13/2

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WILL GIVE BRAINLIST!

The cost for an eighth-grade party is $450 for room rental, entertainment, and decorations, plus $20 per person for food. Tickets for the party are sold for $25. What is the break-even point

A-45 TICKETS

B-90 TICKETS

C-18 TICKETS

D-23 TICKETS

*WILL REPORT LINKS AND IF YOU JUST COMMENT FOR NOTHING*​

Answers

Answer:

B.  90 tickets

Step-by-step explanation:

For t tickets sold, we want the revenue equal to the cost.

25t = 450 +20t

5t = 450 . . . subtract 20t

t = 90 . . . . . divide by 5

90 tickets is the break-even point.

___

:D

Need this asap will give brainliest

Answers

Answer:

Angles 3 and 5 are consecutive interior angles.

Given the following Mayan Number, write the equivalent Base-10 number in the Answer Box. Each
row (place value) is separated with white space.
> Next Question
Your Answer:
:|| :||- €

Answers

The Mayan number || :||- € is equivalent to the base-10 number 1021.

How to find Mayan number?

To convert a Mayan number to base-10, use the following steps:

Read the number from bottom to top, starting with the ones place.Assign a value to each digit, based on its position.Multiply each digit by its place value.Add the products together to get the final value.

In this case, the values of the digits are as follows:

Ones: 1

Twentys: 0

Four-hundreds: 2

Eight-thousands: 1

The place values are as follows:

Ones: 1

Twentys: 20

Four-hundreds: 400

Eight-thousands: 8000

The final value is calculated as follows:

1 × 1 + 0 × 20 + 2 × 400 + 1 × 8000 = 1021

Therefore, the Mayan number || :||- € is equivalent to the base-10 number 1021.

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pls help me solve this asap

Answers

Answer:

150

Step-by-step explanation:

the formula for this is 2a squared + 4 a h

when we plug everything in we end up getting 2*3 squared + 4*3*11

and when solved it gets toy 150

cos(a+b)= cosa.cosb.-Sina SinB to Find the Formula of Sin (a-B]​

Answers

The formula for sin(a - b) is sin(a)cos(b) - cos(a)sin(b).

To find the formula for sin(a - b), we can use the identity for cosine of a sum of angles, which states that:

cos(a + b) = cos(a)cos(b) - sin(a)sin(b)

We can rearrange this equation to solve for sin(a - b):

cos(a + b) = cos(a)cos(b) - sin(a)sin(b)

cos(a + b) = cos(a)cos(b) + (-1)(sin(a)sin(b)) [multiplying sin(b) by -1]

cos(a + b) = cos(a)cos(b) + sin(a)(-sin(b)) [rearranging terms]

cos(a + b) = cos(a)cos(b) - sin(a)sin(b) [sin(b) can be replaced by -sin(b)]

Comparing this equation with the given identity, we can see that:

sin(a - b) = sin(a)cos(b) - cos(a)sin(b)

Therefore, the formula for sin(a - b) is sin(a)cos(b) - cos(a)sin(b).

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A surveyor is standing 30 feet from the base of a tall building. The surveyor measures the angle of elevation from the ground to the top of the building to be 65 degrees. Find the height of the building to the nearest foot

Answers

Answer:

Height = 64 feet

Step-by-step explanation:

(***It's very important to model these kinds of problems.  I attached a picture modeling the problem so show how modeling makes it easier to solve the problem)

We know that the building is vertical, and the ground is horizontal.  Thus, the ground and the building make a right angle.  

Therefore, the top of the building, the base of the building, and the surveyor form a right triangle, where

The distance between the surveyor and the building is a leg of the triangle,The height, h of the building (aka distance between the top of the building and the base) is another leg of the triangle,and the distance between the top of the building and the surveyor is the hypotenuse.

Because we're working with a right triangle, we can now find h, the heigh of the building using one of the trigonometric ratios.

We know that the angle of elevation is made by the ground and the distance between the surveyor and top of the building.

When the 65° (angle of elevation) is our reference angle, the height of the building is the opposite side and the distance between the base of the building and the surveyor is the adjacent side.

Thus, we can use the tangent ratio, which is:  tan (θ) = opposite / adjacent:

We can now plug in 65 for θ and 30 for the adjacent side.  This will allow us to find the opposite side, which is the heigh of the building:

tan (65) = h / 30

30 * tan(65) = h

64.33520762

64 = h

Thus, the height of the building to the nearest foot is 64 feet.

4 - 32 x (-0.25)-12/ 1/3

Answers

Answer:

8x is your answer.

Step-by-step explanation:

The photo shows how it's solved.

Which of the following graphs represent a function? Check all that apply.

A curve that rises from left to right, graphed in a coordinate plane

A graph in a coordinate plane. The graph starts as a line that ascends from left to right. Then it becomes a vertical line going up.

A graph in a coordinate plane. The graph begins at 0, 0 and curves up and down, creating peaks and valleys. As the graph moves to the right, the peaks and valleys get smaller and closer together.

Three-quarters of a circle, graphed in a coordinate plane

A graph in a coordinate plane. The graph curves up and down, creating peaks and valleys, but there is no pattern to these peaks and valleys.

A graph in a coordinate plane. The graph curves back and forth, from left to right.

Answers

The graphs that represent a function are:

1. A curve that rises from left to right, graphed in a coordinate plane.
2. A graph in a coordinate plane. The graph starts as a line that ascends from left to right. Then it becomes a vertical line going up.
5. A graph in a coordinate plane. The graph curves back and forth, from left to right.

These three graphs depict a clear one-to-one correspondence between the x-values and y-values, satisfying the definition of a function.

100 Points! Geometry question. Photo attached. Please show as much work as possible. Thank you!

Answers

area of A = πr² = π7² = 153.9 m²

area of B = πr² = π9² = 254.5 m²

Janis wants to carpet her living room. Which means 15 feet by 12 feet. She picked out a nice style that Cost $2 per square foot How much will it cost.
Pls help

Answers

The carpet will cost 360 dollars
The carpets 15 by 12
So area = 15 x 12 = 180ft^2
And it cost $2 per square foot so
180 x 2 = $360

50 Points! Multiple choice geometry question. Photo attached. Thank you!

Answers

Answer: A = 83.75

Step-by-step explanation:

A=a+b

2h=12.5+21

2·5=83.75

y=-2x-1; y=-2x+6; is this parallel, perpendicular, or neither

Answers

Answer:

Step-by-step explanation:

first, to find if they are perpendicular, we would have to determine their slopes.

y=-2x-1, we know that the slope is -2 (due to y=mx+b, where m is the slope)

y=-2x+6, we also know that the slope is -2.

since the slope is equal, it would be parallel.

However, if the slopes were negative reciprocals, (e.g. 1/2 & -2) they would be perpendicular.

If the slopes were neither negative reciprocals or equal, it would be neither.

Use table values to graph the Quadratic function.

y = x^2 - 2x + 4

Answers

X. Y
-1. 7
0. 4
1. 3
2. 4
3. 7

What is 7385.35 multiplied by 527.35

Answers

3894664.323 is your answer

I NEED HELP WITH MATH STATISTICS

Answers

The limits for the 95% confidence interval are given as follows:

Lower limit: 0.65.Upper limit: 0.77.

What is a confidence interval of proportions?

A confidence interval of proportions has the bounds given by the rule presented as follows:

[tex]\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]

In which the variables used to calculated these bounds are listed as follows:

[tex]\pi[/tex] is the sample proportion, which is also the estimate of the parameter.z is the critical value.n is the sample size.

The confidence level is of 95%, hence the critical value z is the value of Z that has a p-value of [tex]\frac{1+0.95}{2} = 0.975[/tex], so the critical value is z = 1.96.

The parameters for this problem are given as follows:

[tex]n = 225, \pi = \frac{159}{225} = 0.7067[/tex]

Then the lower bound of the interval is given as follows:

[tex]0.7067 - 1.96\sqrt{\frac{0.7067(0.2933)}{225}} = 0.65[/tex]

The upper bound of the interval is given as follows:

[tex]0.7067 + 1.96\sqrt{\frac{0.7067(0.2933)}{225}} = 0,77[/tex]

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Consider the relationship 9r+8t=9

Answers

Given the relationship, 9r + 8t = 9, the relationship as a function r = f(t) will be (9 - 8t) / 9.

The relationship 9r + 8t = 9 as a function r = f(t), one is needed to isolate the variable r first on one side of the equation.

Taking with the original equation:

9r + 8t = 9

Subtract 8t from both sides in order to isolate the term with r:

9r = 9 - 8t

Divide both sides by 9 in order to solve for r:

r = (9 - 8t) / 9

Therefore, the relationship 9r + 8t = 9 can be written as the function:

r = (9 - 8t) / 9.

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Your question seems incomplete, the probable complete question is:

Consider the relationship 9r + 8t = 9. a. Write the relationship as a function r = f(t).

An oven used 7.31 units of electricity over
4 hours.
What is the rate of electricity usage for this
oven in units per hour?
Give your answer to 1 d.p.

Answers

The rate of electricity usage for the oven is 1.8275 units per hour.

What is the rate of electricity usage for the oven?

The electricity consumption represents the amount of electrical energy that has been consumed over a specific time in units of Wh (or kWh),

To get rate of electricity usage for the oven in units per hour, we will divide the total electricity used by the number of hours.

Data:

Electricity used: 7.31 units

Time: 4 hours

Rate of electricity usage = Electricity used / Time

Rate of electricity usage = 7.31 units / 4 hours

Rate of electricity usage = 1.8275 units per hour.

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A number cube is rolled 500 times. Here are the results: Outcome Rolled 1 2 3 4 5 6 Calculate the following probabilities to the nearest thousandth. The theoretical probability of rolling a 5 or 6 The experimental probability of rolling a 5 or 6 [Choose ] Number of Rolls 81 95 79 89 80 76 [Choose]​

Answers

Answer:

The theoretical probability of rolling a 5 or 6 can be calculated by finding the sum of the probabilities of rolling a 5 and rolling a 6. Since the number cube has 6 equally likely outcomes, the probability of rolling a 5 or 6 is:

Theoretical probability = (probability of rolling a 5) + (probability of rolling a 6)

= 1/6 + 1/6

= 2/6

= 1/3

The experimental probability of rolling a 5 or 6 can be calculated by dividing the number of times a 5 or 6 was rolled by the total number of rolls. From the given data, the number of rolls for each outcome is:

Outcome | Number of Rolls

1 | 81

2 | 95

3 | 79

4 | 89

5 | 80

6 | 76

Experimental probability = (number of times a 5 or 6 was rolled) / (total number of rolls)

= (number of times a 5 was rolled + number of times a 6 was rolled) / 500

= (80 + 76) / 500

= 156 / 500

= 0.312

Therefore, the theoretical probability of rolling a 5 or 6 is 1/3, and the experimental probability is approximately 0.312.

Step-by-step explanation:

Help Quickly! A truck needs 7 gallons of fuel to travel 56 miles. Can the truck travel 48 miles with 6 gallons of fuel? Explain.

Giving brainliest

Answers

Yes, 7/56 and 6/48 are proportional because 7×48 = 56×6. Therefore, the correct answer is option B.

Given that, a truck needs 7 gallons of fuel to travel 56 miles.

The truck travel 48 miles with 6 gallons of fuel.

Here, the proportion is

7:56::6:48

We know that, the proportion is product of extremes = product of means

7×48 = 56×6

336 = 336

Therefore, the correct answer is option B.

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Graph the line with y-intercept 4 and slope 2.

Answers

Answer is in the file atttached.            

Find the x-intercept and the y-intercept of the line below. Click on "None" if applicable.
65
-3
2
8
4
K

Answers

The x- and y-intercepts of the graph are:

x-intercept: -7y-intercept: 14

Finding the x- and y-intercepts of the graph

From the question, we have the following parameters that can be used in our computation:

-4x + 2y = 28.

For the x-intercepts, we set y to 0

So, we have

-4x = 28

Evaluate

x = -7

For the y-intercepts, we set x to 0

So, we have

2y = 28

Evaluate

y = 14

Hence, the x- and y-intercepts of the graph are -7 and 14, respectively

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Question

Find the x-intercept and the y-intercept of the line below. Click on "None" if applicable.

-4x + 2y = 28.

If s(x) = 2x² and f(x) = 3x, which value is equivalent to (s-f)(-7)?
O-439
O-141
O 153
O 443

Answers

The value of expression (s - f) (- 7) would be,

⇒ (s - f) (- 7)  = 119

We have to given that,

Functions are defined as,

⇒ s (x) = 2x²

⇒ f (x) = 3x

Now, We can find the value of (s - f) (- 7) is,

⇒ (s - f) (- 7)

⇒ s (- 7) - f (- 7)

⇒ 2 (- 7)² - (3 × - 7)

⇒ 2×49 + 21

⇒ 98 + 21

⇒ 119

Therefore, The value of expression (s - f) (- 7) would be,

⇒ (s - f) (- 7)  = 119

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A digital computer has a memory unit with 32 bits per word. The instruction set consists of 110 different operations. All instructions have an operation code part (opcode) and two address fields: one for a memory address and one for a register address. This particular system includes eight general-purpose, user-addressable registers. Registers may be loaded directly from memory, and memory may be updated directly from the registers. Direct memory-to-memory data movement operations are not supported. Each instruction stored in one word of memory. e) What is the largest unsigned binary number that can be accommodated in one word of memory? [Problem 2] [10 points]. Marvel Corporation (a C-corporation) has the following operating profit for 2019 through 2021. 2019 2020 2021 Year Operating profit ($60,000) $30,000 $50,000 Assume the margin What is the value of the sum $2^{-1} 2^{-2} 2^{-3} \cdots 2^{-9} 2^{-10}$? 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Financial Statements are a very important tool in assessing the financial performance of a company as well as assessing the company's financial position.(a) Critically analyse the reasons why parties might be interested in the financial results of an organisation setting out who those parties are?(b) Critically assess three qualities that you believe that financial information should possess for It to be useful to users of the financial statements find the integral:Pregunta 20 Calcula la integral: 2x s dx x281 O F(x) = in(x +9) + In(x-9)+ C O F(x) = -in(x +9) + In(x-9)+C O F(x) = in(x +9) - In(x - 9) + C = Which presidents compromised their position when the southern states put on pressure? higher order conditioning involves forming an association between Predict the rate law for the reaction NO(g) + Br2(g) ? NOBr2(g) under each of the following conditions:A. The rate doubles when [NO] is doubled and [Br2] remains constantB. The rate doubles when [Br2] is doubled and [NO] remains constant.C.The rate increases by 1.56 times when [NO] is increased 1.25 times and [Br2] remains constant.D. The rate is halved when [NO] is doubled and [Br2] remains constant. Antirotational exercises are often this sort of movement by nature.ProprioceptiveLoadedUnilateralBilateral Viewed under a microscope, healthy bone looks like a honeycomb. When osteoporosis occurs, the holes and spaces in the honeycomb are much larger than in healthy bone. Osteoporotic bones have lost density or mass and contain abnormal tissue structure. As bones become less dense, they weaken and are more likely to break. Osteoporotic bone breaks are most likely to occur in the hip, spine, or wrist. In addition to causing permanent pain, osteoporosis causes some patients to lose height. When osteoporosis affects vertebrae, or the bones of the spine, it often leads to a stooped or hunched posture.What Is Osteoporosis and What Causes It?National Osteoporosis FoundationHow does osteoporosis weaken bones? Check all that apply.lowers bone masslowers bone densitycreates holes in bonescauses permanent painresults in a loss in heightresults in stooped postureoccurs in hip, spine, or wrist 2. Find the derivative of the following functions. (a) [8] g(x) = cos (2x + 1) (b) [8] f(x) = In (x2 4) 2-3sinx (c) [8] y = X+4 (d) [8] f(x) = (x + 7)4 (2x - 1)3 the two key factors responsible for speciation among populations are:a. mutation and heterozygote disadvantage b. reproductive isolation and genetic divergence c. postzygotic isolation and morphological change d. mutation and genetic drift Company XYZ manufactures a tangible product and sells the product at wholesale. In its first year of operations, XYZ manufactured 1,800 units of product and incurred $324,000 direct material cost and $175,500 direct labor costs. For financial statement purposes, XYZ capitalized $130,500 indirect costs to inventory. For tax purposes, it had to capitalize $161,500 indirect costs to inventory under the UNICAP rules. At the end of its first year, XYZ held 180 units in inventory. In its second year of operations, XYZ manufactured 3,600 units of product and incurred $666,000 direct material cost and $378,000 direct labor costs. For financial statement purposes, XYZ capitalized $242,000 indirect costs to inventory. For tax purposes, it had to capitalize $296,000 indirect costs to inventory under the UNICAP rules. At the end of its second year, XYZ held 360 items in inventory.Compute XYZs cost of goods sold for book purposes and for tax purposes for second year assuming that XYZ uses the FIFO costing convention.Compute XYZs cost of goods sold for book purposes and for tax purposes for second year assuming that XYZ uses the LIFO costing convention.