Multiply and simplify. 12) √6 (4√3+2√6)​

Answer:

a) GH¢15x

b) GH¢15

Step-by-step explanation:

a) To find the cost function, C(x), given that it is linear, we need to find the slope and y-intercept of the line that represents the cost to produce x units of the product. We can use the point-slope form of a line to find the cost function: C(x) = mx + b, where m is the slope and b is the y-intercept.

We have two points: (100, GH¢1,500) and (0, GH¢0), which represents the cost to produce 100 units and 0 units, respectively. The slope can be found by dividing the change in y by the change in x:

m = (GH¢1,500 - GH¢0) / (100 - 0) = GH¢15

The y-intercept can be found by plugging in one of the points and solving for b:

GH¢1,500 = (GH¢15)(100) + b

GH¢1,500 = GH¢1,500 + b

b = GH¢0

So the cost function is C(x) = GH¢15x + GH¢0.

b) To find the average cost per item to produce 50 units and 300 units, we need to divide the total cost by the number of units produced.

For 50 units:

C(50) = GH¢15 * 50 + GH¢0 = GH¢750

Average cost = C(50) / 50 = GH¢15

For 300 units:

C(300) = GH¢15 * 300 + GH¢0 = GH¢4,500

Average cost = C(300) / 300 = GH¢15

Answer:

Circles are round shapes that doesn't have points or perhaps angles it shape is considered no a point shape thanks to it having no points ofc or can be used in measurements,yards,etc

From the graph, she walked at a rate of [tex]\frac{25-10}{5-2}=5 \text{ ft/s}[/tex].

Therefore, she walked faster on her next three walks compared to her first two walks.

Answer:

the correct answer to this equation would be: >

A) An equation to represents your plan to afford the iguana is,

⇒ y = $12 + $9w

Where, y is total money after w weeks.

B) The amount of money you should save each week to buy the iguana in 6 weeks is, $66.

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

We have to given that;

You want to buy a pet iguana. You already have $12 and plan to save $9 per week.

Let w represents the number of weeks until you enough Money to buy the iguana.

Hence, An equation to represents your plan to afford the iguana is,

⇒ y = $12 + $9w

Where, y is total money after w weeks.

And, The amount of money you should save each week to buy the iguana in 6 weeks is,

⇒ y = $12 + $9w

⇒ y = $12 + $9 × 6

⇒ y = $12 + $54

⇒ y = $66

Thus, A) An equation to represents your plan to afford the iguana is,

⇒ y = $12 + $9w

Where, y is total money after w weeks.

B) The amount of money you should save each week to buy the iguana in 6 weeks is, $66.

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If P is the circumcenter of ABC, the DP is 13.27 units.

The value of DP is calculated by applying the following method as shown below.

Based on the given figure, D is the midpoint of AB

Line AD = BD, so line DP is perpendicular to line AB and the following equation can be formed to determine value of x.

7x - 6 = 5x + 8

2x = 14

x = 14/2

x = 7

DB = 7x - 6

DB = (7 x 7 ) - 6 = 43

Let PC = 45

PC = PB = 45

Apply Pythagoras theorem to determine DP;

DP² = PB² - DB²

DP² = 45² - 43²

DP² = 176

DP =  √176

DP = 13.27 units

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The distance of AB is 117.992 meters.

Law of sines is a law in trigonometry which states that the ratios of the angle to the opposite side of a triangle are equal.

For triangle ABC,

sin A / a = sin B / b = sin C / c

where a, b and c are the sides opposite to the angles A, B and C respectively.

Here,

∠B = 112° 10' = 112° + 0.167° = 112.167°

∠C = 15° 20' = 15° + 0.333° = 15.333°

By the angle sum property of triangle,

∠A = 180° - (∠B + ∠C)

∠A = 180° - (112.167° + 15.333°)

     = 52.5°

Using law of sines,

sin A / BC = sin C / AB

sin (52.5°) / 354 = sin (15.333°) / AB

AB = [354 × sin (15.333°)] / [sin (52.5°)]

AB =  [354 × 0.264] / [0.793]

AB = 117.992 meters

Hence the distance across the river is 117.992 meters.

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Answer:

70 percent of what number is 90?

90 is 70% of 128.57

Steps to solve "90 is 70 percent of what number?"

We have, 70% × x = 90

or,

70

100

× x = 90

Multiplying both sides by 100 and dividing both sides by 70,

we have x = 90 ×

100

70

x = 128.57

If you are using a calculator, simply enter 90×100÷70, which will give you the answer.

Answer:  70 % of 90 = 63

Step-by-step explanation:

   70 %  x  90.

= (70/100) x 90

= (70*90)/100

= 6300/100

= 63

The required description of the given piecewise function is graphed below.

f(x) = 3 if [-5, -2]; f(x) = -3 if (-2, 3]; and f(x) = 3 if (3, 4]

A piecewise-defined function (also known as a piecewise function or a hybrid function) is a function defined by multiple sub-functions, each of which applies to a different interval of the main function's domain (a sub-domain).

The graph is given in the question, as shown

f(x) = 3 if [-5, -2]

This the sub-function define between the interval [-5, -2].

f(x) = -3 if (-2, 3]

This the sub-function define between the interval (-2, 3].

f(x) = 3 if (3, 4]

This the sub-function define between the interval (3, 4].

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The ratio the unit rate comparing all runners to boys is 5:1.

How to Calculate Unit Rate The denominator of a unit rate is always 1. Therefore, divide the denominator by the numerator so that the denominator equals one in order to determine the unit rate. The unit rate is 50km/5.5 hours = 9.09 km/hour, for instance, if 50km are travelled in 5.5 hours.

A unique form of ratio called a unit rate has a denominator (second number) of one. You are comparing a quantity to one when using a unit rate. Miles per gallon, price per pound, and pay rate per hour are a few examples of popular unit rates.

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Note that where Will C. Lowe wishes to purchase an ordinary whole life insurance policy with a face value Of $50,000, his annual premium, if his age for insurance purposes is thirty-one is: $7,665.

The insured pays a premium to the insurer on a regular basis to cover his risk. The risk is transferred from the insured to the insurer under an insurance arrangement. The premium is the amount charged by the insurer for accepting this risk.

To compute the Premium Payable, you must apply the stipulated rate against the sum insured.

Since the Sum assured is $50,000; and

The applicable rate for a 31-year-old is 15.33%

Thus the Insurance Premium for an Ordinary Whole Life Insurance Policy is:

(50,000 * 15.33)/100

= 766500/100

=  $7,665.

Thus Lowe to be entitled to an annual Life Insurance cover of $50,000 must pay $ $7,665 every year.

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, The fraction equivalent to 3/9 with denominator 3 is the proper fraction p=1/3

A fraction is a part of a whole. In arithmetic, the number is expressed as a quotient, in which the numerator is divided by the denominator. In a simple fraction, both are integers. A complex fraction has a fraction in the numerator or denominator. In a proper fraction, the numerator is less than the denominator.

Given here: The fraction 3/9

Now we can simplify the fraction further by dividing both the numerator and denominator by 3

let p=3/9

then p=3/3 / 9/3

       p= 1/3

Hence, The fraction equivalent to 3/9 with denominator 3 is the proper fraction p=1/3

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Variables expression is done as given below.

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Variables are the values for a specific item.

Example:

Apple cost = $4 per kg

Banana cost = $6 per kg

Total cost = $60

To find the number of kg for each item we have to consider x as the number of kg of apple and y as the number of kg of banana.

Here,

x and y are the variables.

Now,

The expression with the variables x and y.

4x + 6y = 60

Thus,

The expression with variables is given above.

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The solutions of the equation are x < 18 and x < - 30.  

Solutions of equations are the numerical values of the variables that will satisfy the condition in the given equation. Similarly, the solutions of inequalities are the values of variables that can satisfy the given inequality.

We can solve an inequality by adding or subtracting the same integer on both sides, or we can multiply or divide by the same number on both sides until we get the value of 'x'.

Here we have

3/4 |1/3x + 2| < 6  

We can solve the above equation as follows

3/4 |1/3x + 2| < 6    

Multiply by 4 on both sides

=> 4 [ 3/4 |1/3x + 2| ] < 4 × 6    

=>  3 |1/3x + 2| < 24  

=> | x + 6| < 24      

=> x + 6 < ± 24      

=> x + 6 < 24      and     x + 6 < - 24

Subtract - 6 on both sides

=> x + 6 - 6 < 24 - 6      and     x + 6 - 6 < - 24 - 6

=> x < 18       and       x < - 30

Therefore,

The solutions of the equation are x < 18 and x < - 30.  

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The value of x is 13 and the angles in the triangle are 38,69 and 73 respectively.

What is triangle ?

Triangle can be defined in which it consists of three sides, three angles and sum of three angles is always 180 degrees.

From the given figure,

In the given triangle ,

The triangles are 3x - 1 , 8x - 35  and 6x - 5

The sum of all angles is always is 180 degrees.

so,

we get,

3x - 1 + 8x - 35 + 6x - 5 = 180

17x - 41 = 180

17x = 180 + 41

17x = 221

x = 221 / 17

x = 13

so,

3x - 1  = 3*13 - 1 = 38

8x - 35  = 8* 13 - 35 = 104 - 35 = 69

6x - 5 = 6*13 - 5 = 78 - 5 = 73

Therefore, The value of x is 13 and the angles in the triangle are 38,69 and 73 respectively.

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The numbers that are exactly divisible by 7  are;

a) 525

b) 798

d) 3696

To solve this, what we will do is to quote the divisibility rule for 7 here which is that;

For a 3 digit number abc to be divisible by 7 then it means that ab - 2c must be divisible by 7. Thus;

A) 525;

52 - 2(5)

= 52 - 10

= 42

42 is divisible by 7 and as such 525 is divisible by 7

B) 798;

79 - 2(8)

= 63

63 is divisible by 7 and as such 79 is divisible by 7

C) 836;

83 - 2(6)

= 83 - 12

= 71

71 is not divisible by 7 and as such 836 is not divisible by 7

D) 3696;

369 - 2(6)

= 357

35 - 2(7)

= 21

21 is divisible by 7 and as such 3696 is divisible by 7

E) 5706;

570 - 2(6)

= 558

55 - 2(8)

= 39

It's not divisible by 7 and so  5706 is not divisible by 7

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The solution is Option C.

The value of the function is f ( x ) = 3 ( x - 3 ) ( x - 7 )

Graphs behave differently at various x-intercepts. Sometimes the graph will cross over the x-axis at an intercept. Other times the graph will touch the x-axis and bounce off.

Identify the even and odd multiplicities of the polynomial functions' zeros.

Using end behavior, turning points, intercepts, and the Intermediate Value Theorem, plot the graph of a polynomial function.

The graphs cross or are tangent to the x-axis at these x-values for zeros with even multiplicities. The graphs cross or intersect the x-axis at these x-values for zeros with odd multiplicities

Given data ,

Let the function be represented as f ( x )

Now , the value of f ( x ) is

f ( x ) = 3 ( x - 3 ) ( x - 7 )   be equation (1)

On simplifying the equation , we get

y = 3 ( x - 3 ) ( x - 7 )

And , the point ( 8 , 15 ) lies on the graph

Substituting the values in the equation , we get

when x = 8

y = 3 ( 8 - 3 ) ( 8 - 7 )

y = 3 ( 5 )

y = 15

Therefore , the point P ( 8 , 15 ) lies on the graph of the function

And , the graph has two zeros at (3,0) and (7,0)

Hence , the graph of the function is f ( x ) = 3 ( x - 3 ) ( x - 7 )

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Answer:

c

Step-by-step explanation:

c

The expression from the statement is 2x - 1 = 14

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

The product of 2 and the difference between 1 is 14

Represent the variable with x

So, we have

2x and the difference between 1 is 14

When the difference is expressed as an expression, we have

2x - 1 is 14

So, we have

2x - 1 = 14

Hence, the expression is 2x - 1 = 14

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The discounted price of the set of dishes would be = $63.89

The original cost of the dishes = $57.68

The percentage increase of the cost of the dishes = 125%

That is,

= 125/100 × 57.68

= 7210/100 = $72.10+57.68 = $129.78

After one month, the store marked it down by 50%, therefore the discounted price;

= 50/100 × 129.78/1

= 6489/100

= $65.89

= 129.78-65.89 = $63.89

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The discounted price is $64.89

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

Cost =  $57.68

Mark up = 125%

Mark down = 50%

The discounted price is then calculated as

price = cost * (1 + mark up) * (1 - mark down)

So, we have

price = 57.68 * (1 + 125%) * (1 - 50%)

Evaluate

price = 64.89

Hence, the price is 64.89

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Answer:Can somebody also help me with this. i'm confused please hurry!

Step-by-step explanation:

The linear function to model how much further he'll have to go over time is h(t) = 330 - 55t

Total distance between home and college= 330 miles

Distance remaining to cover= 275 miles

Distance covered= Total distance between home and college - Distance remaining to cover

= 330 miles - 275 miles

= 55 miles

Time taken to cover 55 miles= 1 hour

h(t) = 330 - 55t

Where,

h = distance remaining to cover

t = time

Ultimately, h(t) = 330 - 55t is the linear function which represents how much further he'll have to go over time.

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The distance between where Jenna stopped and the park is 1 1/10 miles

A word problem is a math problem written out as a short story or scenario. Basically, it describes a realistic problem and asks you to imagine how you would solve it using math.

The word problems are interpreted into mathematics equation.

The distance between Jena's school and the park is 1⅘ miles = 9/5 miles

He stopped after walking for 7/10 miles .

The distance left to the park from where he stopped = 9/5 - 7/10

= (18-7)/10

= 11/10 miles

= 1 1/10 miles

Therefore Jena is 1 1/10 miles away from the park when she stopped.

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Answer:

  -1

Step-by-step explanation:

You want the slope of the line through the points (-3, 4) and (2, -1).

The slope is given by the formula ...

   m = (y2 -y1)/(x2 -x1)

Using the given points, we find the slope to be ...

  m = (-1 -4)/(2 -(-3)) = -5/5 = -1

The slope of the line through the given points is -1.

The worker B has a higher variance of σ² = 9 and standard deviation of 3

The standard deviation refers to a measurement of the data dispersion from the mean. A low standard deviation implies that the data are grouped around the mean, whereas a large standard deviation shows that the data are more dispersed.

Standard Deviation is calculated by

Each number's deviation from the mean must be determined, and then squared.

Next, add up all of these values.

Divide the result by the quantity of numbers.

Then calculate its square root.

Given data ,

Let the data of worker A = { 5, 4, 4, 6, 7, 5, 6, 3 }

Let the data of worker B = { 4, 8, 1, 9, 2, 9, 4, 3 }

Now , the mean of worker A = 5

The mean of worker B = 5

So , the standard deviation of worker A is calculated as

The sum of the difference of the data from mean is

SD = √ ( 5 - 5 )² + ( 5 - 4 )² + ( 5 - 4 )² + ( 5 - 6 )² + ( 5 - 7 )² + ( 5 - 5 )² + ( 5 - 6)² + ( 5 - 3 )² / 8

On simplifying the equation , we get

SD = √ ( 12/8 )

SD = √1.5

Standard deviation σ = 1.2247449

And , the variance of worker A is σ² = 1.5

Now ,

The standard deviation of worker B is calculated as

The sum of the difference of the data from mean is

SD = √ ( 5 - 4 )² + ( 5 - 8 )² + ( 5 - 1 )² + ( 5 - 9 )² + ( 5 - 2 )² + ( 5 - 9 )² + ( 5 - 4)² + ( 5 - 3 )² / 8

On simplifying the equation , we get

SD = √ ( 72/8 )

SD = √9

Standard deviation σ = 3

And , the variance of worker A is σ² = 9

Hence , the worker B has higher standard deviation

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The solution to the linear equations are;

20. x = 3. 200

21. x = 4. 333

22. x = 11. 438

23. x = 1.417

24. y = 0. 223

25. 45%

From the information given, we have to solve the linear equations, we have;

20. -15x + 73 = 26

collect like terms

-15x = 26 - 74

-15x = -48

Make 'x' the subject

x = 3. 200

21. 1.5x + 7.4 = -1.8x - 6.9

collect the like terms

3.3x = 14.3

Make 'x' the subject

x = 4. 333

22. 14.1 - 0.3x = 1.3x - 4.2

collect like terms

1.6x = 18.3

Make 'x' the subject

x = 11. 438

23. 6.2x + 4.5 = 3.8x + 7.9

collect like terms

2.4x = 3.4

Make 'x' the subject

x = 1.417

24. 4.603y - 1.842 = -3.651y

collect like terms

8.254y = 1.842

Make 'y' the subject

y = 0. 223

25. The percentage is given as;

159/350 × 100/1

45%

Hence, the values are x = 3. 200, x = 11. 438, x = 1.417, y = 0. 223 and 45%

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Answer:

14q/25

Step-by-step explanation:

14q/25

The inverse function of f(x) = (x^2+1)^2 step by step is given below.

The inverse of f(x) is √(√x - 1).

A function is a relationship between inputs where each input is related to exactly one output.

Example:

f(x) = 2x + 1

f(1) = 2 + 1 = 3

f(2) = 2 x 2 + 1 = 4 + 1 = 5

The outputs of the functions are 3 and 5

The inputs of the function are 1 and 2.

We have,

f(x) = (x² + 1)²

The steps for finding the inverse of a function.

Step 1:

Keep y = f(x)

y = (x² + 1)²

Step 2:

Interchange x and y.

x = (y² + 1)²

Step 3:

Solve for y.

x = (y² + 1)²

Square root on both sides.

√x = y² + 1

(√x - 1) = y²

Square root on both sides.

y = √(√x - 1)

Thus,

The inverse of f(x) is √(√x - 1).

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Answer:24 sq. units

Step-by-step explanation:

The length of the base is (7-1)= 6 units. The height is 8 units.

Area =1/2*l*b=24

Slope intercept form of equation is y = -3x + 5.

The graph of the linear equation y = mx + c is a line with m as slope and c as the y-intercept. This form of the linear equation is called the slope-intercept form, and the values of m and c are real numbers.

Given equation,

-5 = -y - 3x

Standard Slope intercept form of equation y = mx + c

Given equation can be written as

y = -3x + 5

Hence, y = -3x + 5 is the slope intercept form of given equation

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The required equation in the slope-intercept form is given as y = -3x + 5.

The slope of the line is a tangent angle made by line with horizontal. i.e. m =tanx where x in degrees.

Here,
The equation of line passes through points (x, y) and has a slope and intercept of m and c respectively is given as,
y = mx + c

The above expression is the standard slope intercept form of a line.

Trasform the given equation,

-5 = -y - 3x
y - 5 = -3x

y = -3x + 5

Thus, the required equation in the slope-intercept form is given as y = -3x + 5.

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