Select the correct answer.
What is the end behavior of this radical function?
f(x) = 3√x-4
As x approaches positive infinity, f(x) approaches positive infinity.
As x approaches negative infinity, f(x) approaches positive infinity.
As x approaches positive infinity, f(x) approaches negative infinity.
As x approaches negative infinity, f(x) approaches 0.

The factored form of the expression [tex]3x^2 - 3x - 18[/tex] is B) 3(x-3)(x+2).

To factor a quadratic expression like this, we want to find two numbers that multiply to the constant term (-18) and add up to the coefficient of the x term (-3). In this case, those numbers are -3 and 6, because (-3) * 6 = -18 and (-3) + 6 = 3.

Then, we can use those numbers to split the middle term into two terms:

[tex]3x^2 - 3x - 18 = 3x^2 - 9x + 6x - 18[/tex]

[tex]= 3x(x-3) + 6(x-3)[/tex]

[tex]= (x-3)(3x+6)[/tex]

[tex]= 3(x-3)(x+2)[/tex]

So the factored form of the expression is 3(x-3)(x+2), which is equivalent to choice B.

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Answer:

The answer is going to be A. [tex]8x^{3} + 16x^{2} - 4x + 15[/tex]

Step-by-step explanation:

The length of QS to 3 significant figures is 26.9 cm. QS is the side of the triangle that is adjacent to the angle of 27°.

An adjacent angle is an angle that shares a common side and a common vertex with another angle. Adjacent angles are commonly seen when two lines intersect, forming four angles.

QS is the side of the triangle that is adjacent to the angle of 27°. To calculate the length of this side, we can use the Law of Sines. The Law of Sines states that for any triangle with sides a, b and c and angles A, B and C respectively, the following equation holds true:

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

Therefore, for our triangle, we can use the equation as follows:

11/sin 27° = QS/sin 90°

Rearranging this equation, we can solve for QS:

QS = (11/sin 27°) x sin 90°

QS = 26.9 cm

Therefore, the length of QS to 3 significant figures is 26.9 cm.

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Answer:

Step-by-step explanation:

4 - 2(1) = 2

i'm pretty sure, sorry if its wrong, pls do not report.

how i got it

4 - 2 = 2

2 x 1 = 2

                        4 - 2y = 2

                       4 - 2(1) = 2

Type the second one exactly how i did, don't put a symbol or space, just copy and paste it.

Simplifying the exponents gives us n^(30)p^(-120) and this is our final simplified answer, expressed using exponents.

To simplify the expression (n^(-3)p^(12))^(-10), we can use the power rule of exponents. The power rule states that when you have an exponent raised to another exponent, you multiply the exponents together.

So, in this case, we would multiply the exponents -3 and -10 together for the n term, and the exponents 12 and -10 together for the p term. This would give us:

n^((-3)*(-10))p^((12)*(-10))

Simplifying the exponents gives us:

n^(30)p^(-120)

And this is our final simplified answer, expressed using exponents.

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(1) The percentage of males that drive sports cars is 46.43 %.

(2) The percentage of all drivers that are male is 25 %.

(3) The percentage of sports car drivers that are male is 46.43 %.

(4) Yes, question 1 and question 3 are the same.

The percentage of males that drive sports cars is calculated as follows;

= 39 / 84  x 100%

= 46.43 %

The percentage of all drivers that are male is calculated as follows;

= 60 / 240  x 100%

= 25%

The percentage of sports car drivers that are male is calculated as;

= 39 / 84  x  100%

= 46.43 %

Thus, question 1 and question 3 are the same.

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step 1: convert to improper fraction

57/7 - 26/7

step 2: subtract numerators

31/7

step 3: change to a mixed number

4 3/7

Subtracting -15/18 from -12/18, the answer is -3/18 in simplest form.

Subtracting two fractions with different denominators involves finding a common denominator and then subtracting the fractions.

The common denominator for (-5)/(6) and (-2)/(3) is 6*3=18.

To make the fractions have the same denominator, the numerators need to be multiplied by the denominators and then divided by the denominator.

(-5)/(6) can be rewritten as -(5*3)/(6*3)=-15/18
(-2)/(3) can be rewritten as -(2*6)/(3*6)=-12/18

Subtracting -15/18 from -12/18, the answer is -3/18 in simplest form.

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The evaluated expressions are 2, -7, -2, -12, -8, and 7.

To evaluate the expressions without using a calculator, we need to substitute the given values of the variables into the expressions and simplify.

a. Substitutex=4into the expressionx−2

=4-2

=2

b. SubstituteB=−5into the expressionB−2

=-5-2

=-7

c. Substitutew=−2into the expression−w−4

=-(-2)-4

=2-4

=-2

d. Substitutey=−3into the expression(y)4

=(-3)4

=-12

e. Substitutet=4into the expression−t2

=-(4)2

=-8

f. SubstituteR=−10into the expression−R−3

=-(-10)-3

=10-3

=7

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Answer:

Step-by-step explanation:

Therefore, the value of angle A is approximately 76.16°, and the value of angle C is approximately 8.24°.

A triangle is a closed two-dimensional shape with three straight sides and three angles. It is the simplest polygon that can be formed in Euclidean geometry, and it is widely studied in mathematics and geometry. Triangles can be classified based on their sides and angles. By side length, a triangle can be classified as equilateral (all sides are equal), isosceles (two sides are equal), or scalene (no sides are equal). By angle measure, a triangle can be classified as acute (all angles are less than 90 degrees), obtuse (one angle is greater than 90 degrees), or right (one angle is exactly 90 degrees). Triangles have many interesting properties and are used in a variety of applications, including in architecture, engineering, and physics.

Here,

Sure, I can help you with that! We can use the Law of Cosines to find the values of angles A and C in triangle ABC. The Law of Cosines states that:

c² = a² + b² - 2ab cos(C)

where c is the side opposite angle C.

First, let's find the value of side c:

c² = a² + b² - 2ab cos(C)

c² = (782)² + (1435)² - 2(782)(1435) cos(115.6°)

c² = 613524 + 2055225 - 2238015.52

c²  = 594733.48

c = √(594733.48)

c ≈ 771.1 cm

Now, we can use the Law of Cosines again to find angle A:

cos(A) = (b² + c² - a²) / 2bc

cos(A) = (1435² + 771.1² - 782²) / (2 * 1435 * 771.1)

cos(A) = 0.2354

A = cos⁻¹*²³⁵⁴⁾

A ≈ 76.16°

Finally, we can find angle C by using the fact that the angles in a triangle add up to 180°:

C = 180° - A - B

C = 180° - 76.16° - 115.6°

C ≈ 8.24°

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The correct answer is B. 3.

To solve this problem, we can plug in the value of Q and see how the value of p changes.
If Q = 1, then:
p = 11 - 3(1) = 11 - 3 = 8
If Q = 2, then:
p = 11 - 3(2) = 11 - 6 = 5
As we can see, when Q increases by 1 unit, the value of p decreases by 3.

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In the three-month period, the water level was 6.5 inches, 6.3 inches, and 6.7 inches, respectively. This is lower than the yearly average of 7.2 inches

Water level is a term used to describe the height of a body of water, usually in reference to an ocean, lake, river, or other body of water. It can also refer to the height of the water above sea level or other reference points.

The table indicates that the water level of the reservoir for the three-month period is lower than the yearly average. This can be seen by comparing the data in the table.

This could be due to a number of factors, including decreased precipitation and increased evaporation during the three-month period.

Ultimately, the data shows that the water level of the reservoir for the three-month period is lower than the yearly average. This could be a cause for concern in the long-term, as the water level of the reservoir could become too low to sustain local populations and ecosystems in the area.

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P(X = 1) = (50 choose 1) * (0.06)^1 * (0.94)^49 ≈ 0.198

And so on for the other values of X.

An example of independent random variables X and Y such that P(X < Y) = 1 is X = 0 and Y = 1. Since X is always less than Y, the probability that X is less than Y is 1.

The probability of a person ordering both a Quarter Pounder and a Diet Coke is p1*p2 = 0.2*0.3 = 0.06. Since each person orders independently of all others, the number of people ordering both a Quarter Pounder and a Diet Coke follows a binomial distribution with parameters n = 50 and p = 0.06. Therefore, the PMF of X is:

P(X = x) = (50 choose x) * (0.06)^x * (0.94)^(50-x)

for x = 0, 1, ..., 50.

Using the above formula, we can calculate the probability of X taking on any value between 0 and 50. For example, the probability of X = 0 is:

P(X = 0) = (50 choose 0) * (0.06)^0 * (0.94)^50 = 0.94^50 ≈ 0.076

The probability of X = 1 is:

P(X = 1) = (50 choose 1) * (0.06)^1 * (0.94)^49 ≈ 0.198

And so on for the other values of X.

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The number of pounds of durian needed to produce 216 pounds of durian-flavored chocolate bars is 50 pounds.

We have,

To determine the amount of durian needed to produce 216 pounds of durian-flavored chocolate bars, we need to calculate the cost and compare it to the budget constraint.

Let's assume x represents the number of pounds of durian needed.

The cost of plain chocolate per pound is $3.50, so the cost of x pounds of plain chocolate is 3.50x dollars.

The cost of durian per pound is $15.75, so the cost of x pounds of durian is 15.75x dollars.

To ensure the cost does not exceed $4.50 per pound, we set up the inequality:

3.50x + 15.75x ≤ 4.50 x 216.

Combining like terms:

19.25x ≤ 972.

Dividing both sides by 19.25:

x ≤ 50.45.

Since we cannot have a fraction of a pound, we round down to the nearest whole number.

Therefore,

The number of pounds of durian needed to produce 216 pounds of durian-flavored chocolate bars is 50 pounds.

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The number of total books there to start with were 70

Percentage is a way to express a number as a fraction of 100. It is often used to represent ratios and proportions in a more convenient and understandable form, especially in financial and statistical contexts. For example, 50% means 50 per 100, or half of a given quantity. It is denoted using the symbol "%".

Let's start by using "x" to represent the total number of books on the bookshelf before Kian removed any books.

According to the problem, 40% of the books on the shelf were non-fiction, which means that 60% of the books were fiction. We can express this as an equation:

0.4x = number of non-fiction books

0.6x = number of fiction books

If Kian removed 6 non-fiction books, there are now 22 non-fiction books remaining, so we can write:

0.4x - 6 = 22

Solving for x, we can add 6 to both sides and then divide by 0.4:

0.4x = 28

x = 70

Therefore, there were 70 books in total on the bookshelf before Kian removed any books.

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Answer:

go to the y and go all the way down to two i think

1.....30 | 18.97
     50 | 24.49
     60 | 26.83
     90 | 32.87

2..... 54.77 mph

a. To complete the table of values, we need to plug in the given values of d into the equation v(d) = √12d and solve for v.

For d = 30:
v(30) = √12(30) = √360 = 18.97 mph

For d = 50:
v(50) = √12(50) = √600 = 24.49 mph

For d = 60:
v(60) = √12(60) = √720 = 26.83 mph

For d = 90:
v(90) = √12(90) = √1080 = 32.87 mph

So the completed table of values is:

d | v
---|---
30 | 18.97
50 | 24.49
60 | 26.83
90 | 32.87

b. To evaluate v(250), we simply plug in the value of d into the equation and solve for v:

v(250) = √12(250) = √3000 = 54.77 mph

So the velocity of the car when the length of its skid marks is 250 feet is 54.77 mph.

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Calculate acceleration using this equation: acceleration = delta v / time. expressions  To solve for acceleration, enter the values you calculated for delta v and the amount of time it took the object to change directions.

Multiplying, dividing, adding, and subtracting are all mathematical operations. As an example, consider the following expression: Expression, mathematics, and a numeric value Numbers, parameters, and functions are the components of an expression in mathematics. Using opposing words and phrases is possible. An expression, sometimes referred to as an algebraic expression, is any mathematical statement that includes variables, numbers, and a mathematical action between them. For instance, the expression 4m + 5 is made up of the expressions 4m and 5, as well as the variable m from the previous equation, all of which are separated by the mathematical symbol +.

An object's acceleration adjusts together with its direction. You may use the next several stages to get the object's acceleration at this point:

Calculate the object's initial and ultimate velocities before and after a direction change.

Subtract the end velocity from the beginning velocity to determine the change in velocity (delta v). This will reveal how much the velocity has changed.

Establish the time difference. This is the amount of time it takes for the velocity to switch from one direction to the other.

Calculate acceleration using this equation: acceleration = delta v / time. To solve for acceleration, enter the values you calculated for delta v and the amount of time it took the object to change directions.

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The velocity of the car is 80m/s

v= u + at²

The parameters given are:

velocity= ?

initial velocity(u)= 0

acceleration(a)= 5

time(t)= 4

The velocity can be calculated as follows

v= 0 + 5(4²)

v= 0 + 5(16)

v= 0 + 80

v = 80

Hence the velocity of the car is 80m/s

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The total surface area of the two hemispherical domes is 6.16m^2

To find the TSA (total surface area) of two hemispherical domes, we need to first find the surface area of one hemispherical dome, and then multiply it by 2.

The surface area of one hemispherical dome can be found using the formula:

SA = 2πr^2

where r is the radius of the base of the hemisphere.

Given that the base radius of each hemisphere is 0.7m, the total diameter of each hemisphere is 1.4m (since the diameter is twice the radius), and therefore the radius is 0.7m.

So the surface area of one hemisphere is:

SA = 2π(0.7m)^2

= 3.08m^2

Therefore, the TSA of two hemispherical domes is:

TSA = 2 × SA

= 2 × 3.08m^2

= 6.16m^2

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A: The vertex of the equation f(x)=x^2+2x−8 can be found by using the formula (-b/2a, f(-b/2a)) where a=1, b=2, and c=-8. Plugging in the values gives us the vertex (-1, -9).

B: The line of symmetry can be found by using the formula x=-b/2a. Plugging in the values gives us the equation x=-1.

C: The x-intercepts can be found by setting f(x)=0 and solving for x. This gives us the equation x^2+2x-8=0. Using the quadratic formula, we get x=(-2±√(2^2-4(1)(-8)))/(2(1)). Simplifying gives us x=(-2±√36)/2, which gives us the x-intercepts (-5.24, 1.24). The y-intercept can be found by setting x=0 and solving for y. This gives us the equation y=-8.

D: The domain of the function is all real numbers, or (-∞,∞).

E: The range of the function is all real numbers greater than or equal to -9, or [-9,∞).

F: The increasing interval of the function is (-1,∞).

G: The decreasing interval of the function is (-∞,-1).

H: The end behavior of the function is as x→+∞,y→∞ and as x→-∞,y→∞.

I: To graph the function, first plot the vertex (-1, -9) and the x-intercepts (-5.24, 0) and (1.24, 0). Then, plot two additional points on either side of the vertex, such as (-2, -6) and (0, -8). Connect the points with a smooth curve to complete the graph.

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The length of the top surface in standard form is [tex]H(x) = (60x^2 + 16x + 1)/(6x + 1)[/tex]

Algebraic expressions are mathematical phrases that involve numbers, variables, and arithmetic operations such as addition, subtraction, multiplication, and division. They can also involve exponents, roots, and other mathematical symbols.

In algebra, variables are often represented by letters, such as x, y, or z, and they can take on different values. The values of the variables can be manipulated using the arithmetic operations to obtain new expressions that represent relationships between the variables.

For example, the expression 3x + 2 is an algebraic expression that involves the variable x. It represents a relationship between x and a number that is 2 more than 3 times x.

Algebraic expressions are used to represent mathematical relationships and solve problems in many different areas, including science, engineering, economics, and finance. They are an essential tool for understanding and manipulating mathematical concepts and formulas.

The area of a rectangle can be found by multiplying its length and width. In this case, the area of the top surface is given by the function [tex]F(x) = 66x^2 + 17x + 1[/tex], and the width of the top surface is given by the function [tex]G(x) = 6x + 1[/tex]. Therefore, the length of the top surface can be expressed as:

Length x Width = Area

[tex]Length x (6x + 1) = 66x^2 + 17x + 1[/tex]

Expanding the left side of the equation, we get:

[tex]6x^2 + x Length = 66x^2 + 17x + 1[/tex]

Bringing all the terms to one side, we get:

[tex]60x^2 + 16x + 1 - Length x = 0[/tex]

Rearranging the terms, we get:

[tex]Length x = 60x^2 + 16x + 1[/tex]

Finally, dividing both sides by the width function G(x), we get the expression for the length of the top surface in standard form:

[tex]H(x) = (60x^2 + 16x + 1)/(6x + 1)[/tex]

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B

-6

...................

Answer:

Step-by-step explanation

So first do 12-6=6 then multiply 14x6 which is 84 so 84 bags in 14 weeks is 3 and a half months.

Answer:

(a) The probability that a selected component of this type will last more than 4 years is 0.69.

(b) The probability that a two-year-old component of this type will last an additional 4 years is 0.57.

(c) The 25th percentile of the lifetimes of such components is 3.38 years.
Explanation:

(a) The Gamma distribution has the following probability density function:
f(x) = (λ^α/Γ(α))x^(α-1)e^(-λx)
Where α is the shape parameter, λ is the rate parameter, and Γ(α) is the Gamma function. The mean and variance of the Gamma distribution are:
Mean = α/λ
Variance = α/λ^2
Given that the mean is 5 years and the variance is 25 years^2, we can solve for α and λ:
5 = α/λ
25 = α/λ^2
Solving for α and λ gives us α = 5 and λ = 1. So the probability density function is:
f(x) = (1^5/Γ(5))x^(5-1)e^(-1x)
The probability that a selected component will last more than 4 years is the integral of the probability density function from 4 to infinity:
P(X > 4) = ∫_4^∞ f(x) dx = 0.69

(b) The probability that a two-year-old component will last an additional 4 years is the conditional probability:
P(X > 6 | X > 2) = P(X > 6 and X > 2)/P(X > 2) = P(X > 6)/P(X > 2) = 0.57

(c) The 25th percentile of the lifetimes of such components is the value of x such that the cumulative distribution function is 0.25:
F(x) = 0.25
∫_0^x f(x) dx = 0.25
Solving for x gives us x = 3.38 years.

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The value of ratio of lime juice to mint is 3/2.

And the amount of lime juice is 3/2 of the amount of mint leaves.

A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0. A proportion is an equation in which two ratios are set equal to each other. For example, if there is 1 boy and 3 girls you could write the ratio as: 1 : 3 (for every one boy there are 3 girls)

The ratio of lime juice to mint is 3/4: 1/2. therefore the value of this ratio = 3/4 ÷ 1/2 = 3/2

therefore the amount of lime juice = 1/2 × 3/2 = 3/4

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A frequency table is a type of statistic used to organize and display data.

A data set is a collection of related data records or observations, usually containing information about a particular subject or area of study. Data sets can be used to analyze trends, make predictions, and provide insights into various phenomena. Data sets can be collected from a variety of sources, such as surveys, experiments, simulations, or other research methods. They are typically organized into tables and can include both quantitative and qualitative data.

It is a chart that shows how often something occurs within a given set of data. The categories in a frequency table are the different values or categories of data, and the frequencies are the number of times each category occurs.

Relative frequency is the ratio of the number of times a category occurs in the data set to the total number of values in the data set. It is usually expressed as a percentage or decimal. For example, if the data set contains 20 values and the category "A" occurs 5 times, the relative frequency of "A" is 25%.

Cumulative frequency is the sum of the frequencies up to a given point in the data set. It is used to show how many values are below or above a certain category. For example, if the data set contains 20 values and the category "A" occurs 5 times, the cumulative frequency of "A" is 5. This means that there are 5 values that are below or equal to "A" in the data set.

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Answer:

A frequency table is a type of statistic used to organize and display data.

What is data set?

A data set is a collection of related data records or observations, usually containing information about a particular subject or area of study. Data sets can be used to analyze trends, make predictions, and provide insights into various phenomena. Data sets can be collected from a variety of sources, such as surveys, experiments, simulations, or other research methods. They are typically organized into tables and can include both quantitative and qualitative data.

It is a chart that shows how often something occurs within a given set of data. The categories in a frequency table are the different values or categories of data, and the frequencies are the number of times each category occurs.

Relative frequency is the ratio of the number of times a category occurs in the data set to the total number of values in the data set. It is usually expressed as a percentage or decimal. For example, if the data set contains 20 values and the category "A" occurs 5 times, the relative frequency of "A" is 25%.

Cumulative frequency is the sum of the frequencies up to a given point in the data set. It is used to show how many values are below or above a certain category. For example, if the data set contains 20 values and the category "A" occurs 5 times, the cumulative frequency of "A" is 5. This means that there are 5 values that are below or equal to "A" in the data set.

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The original price of the given pair of shoes is; £59.4

It is known the original price is:

OP=(100+DP)/100X.... (i), where,

OP = Original Price

CP = Cost Price = £54,

DP = Discount percentage = 10%.

Substituting the values in equation (i), we get:

OP = (100+10)/100X54 ,

Or, OP = 110/100x54 = 59.4.

Therefore the Original Price of the Pair of Shoes is £59.4.

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The angle of depression of the escalator is approximately 10.1 degrees.

To find the angle of depression, we need to draw a right triangle where the vertical distance is the opposite side, the horizontal distance is the adjacent side, and the angle of depression is the angle opposite the hypotenuse.

Let's call the angle of depression θ. Then we have

tan(θ) = opposite/adjacent

We know the vertical distance (opposite) is 194.7 feet and the horizontal distance (adjacent) is the length of the escalator, which is 1085.5 feet. So we can plug in these values and solve for θ:

tan(θ) = 194.7/1085.5

θ = tan^-1(194.7/1085.5)

θ ≈ 10.1 degrees

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