[tex]2^{x} +124=5^{y}[/tex]

Answer:

The characteristics of the graph of the function f(x) = (x + 1)² + 2 are:

The domain is all real numbers . (option A)

The range is all real numbers greater than or equal to 1 . (option B)

The y-intercept is 3. (option C)

The graph has two x-intercepts. (option E)

The probability that the proportion of Labradors in a sample of 851 domestic dogs exceeds 5% is 0.0003.

This is a binomial distribution problem with parameters n = 851 and p = 0.04. We need to calculate the probability of the proportion of Labradors in the sample is greater than 5%.

Let X be the number of labs in the sample.

we need to calculate the mean μ  and standard deviation σ of X.

μ = np = 851 * 0.04 = 34.04

standard deviation:

σ = sqrt(np(1-p)) = sqrt(851 * 0.04 * 0.96) = 4.91

Now we can use the normal distribution to approximate the binomial distribution. The 5% value should be normalized.

z = (0.05 * 851 - 34.04) / 4.91 = 3.46

Find the probability that the z-score is greater than 3.46. Using a standard normal distribution table or calculator, we find this probability to be approximately 0.0003.

Therefore, the probability that the proportion of Labradors in a sample of 851 domestic dogs exceeds 5% is 0.0003.

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In this equation, we have two exponential terms with the same base, 5. To solve for the missing exponents, we can use the laws of exponents, specifically the product law of exponents the missing exponent is 3, and we can write:[tex]5^? x 5^3 = 5^(?+3) = 5^6[/tex]

Using the laws of exponents, we know that when we multiply two exponential expressions with the same base, we add their exponents. Thus:

[tex]5^? x 5^3 = 5^(?+3)[/tex]

Now, we can use the fact that the two expressions on either side of the equation are equal to fill in the missing exponents:

[tex]5^? x 5^3 = 5^(?+3)[/tex]

[tex]5^? x 125 = 5^(?+3)[/tex]

Now we can simplify by dividing both sides of the equation by 5^?:

[tex]125 = 5^3[/tex]

Therefore, the missing exponent is 3, and we can write[tex]5^? x 5^3 = 5^(?+3) = 5^6[/tex]

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The missing term in the equation  [tex]5^? * 5^3 = 5^2[/tex] is x = -1.

The Exponent Product Rule is as follows: [tex]a^{m} * a^{n} = a^{m+n}[/tex] Add the exponents to obtain the product of two numbers with the same base. The Exponent Quotient Rule: [tex]\frac{a^{m} }{a^{n} } = a^{m-n}[/tex]. Subtract the exponent of the denominator from the exponent of the numerator to determine the quotient of two numbers with the same base.

The given equation is [tex]5^? * 5^3 = 5^2[/tex]

Suppose we are considering ? as x, therefore we can rewrite the equation as,

[tex]5^{x} * 5^{3} = 5^{2} \\[/tex]

As the base of the LHS exponent is is same, we can add the exponent

[tex]5^{x +3}[/tex] = [tex]5^{2}[/tex]

Now the base of both sides is equal, so we can compare the exponent.

x + 3 = 2

x = 2 - 3

x = -1

Therefore the missing term is x = -1.

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Complete question:

Find the missing term, [tex]5^? * 5^3 = 5^2[/tex]

After answering the presented question, we can conclude that Therefore, the factorization of the quadratic expression  is: x =2 , x= -3

A quadratic equation is x[tex]ax2+bx+c=0,[/tex]which is a single variable quadratic polynomial. a 0. Because this polynomial is of second order, the Basic Theorem of Algebra implies that it has at least one solution. Simple or complex solutions are possible. A quadratic equation is a quadratic equation. This means it has at least one word that must be squared. One of the most common solutions for quadratic equations is [tex]"ax2 + bx + c = 0.[/tex]" where a, b, and c are numerical coefficients or constants. where the variable "X" is unnamed.

In a quadratic equation

[tex]ax2+bx+c=0, to solve one splits the middle term in two parts so that their sum is b and product is ac.Hence, in x2+x−6=0 one needs to split 1×(−6)=−6 in two parts whose sum is 1. It is apparent that these are 3 and −2, hence x2+x−6=0 can be written asx2+3x−2x−6=0 orx(x+3)−2(x+3)=0 or(x−2)(x+3)=0i.e. either x−2=0 i.e. x=2or x+3=0 i.e. x=−3[/tex]

Therefore, the factorization of the quadratic expression  is:

x = 2, x=-3

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question is - How do you factor and solve

[tex]x2+x−6=0?[/tex]

Step-by-step explanation:

- - 4 turns into + 4

then   3/4 + 7/12 + 4   find common denominator to add or subtract fractions

    9/12  + 7/12  + 48/12   = ( 9+7+48 ) / 12 = 64/12 = 5  1/3

The sοlutiοns οf the quadratic equatiοn [tex]x^2 + 8x + 3 = 0[/tex] are:

[tex]x = -4 + \sqrt{(13)[/tex] and [tex]x = -4 - \sqrt{(13)[/tex]

it's a secοnd-degree quadratic equatiοn which is an algebraic equatiοn in x.

Tο find the sοlutiοns οf the quadratic equatiοn [tex]x^2 + 8x + 3 = 0[/tex], we can use the quadratic fοrmula:

[tex]x = (-b \± \sqrt{(b^2 - 4ac)}) / 2a[/tex]

where a = 1, b = 8, and c = 3.

Substituting these values intο the fοrmula, we get:

[tex]x = (-8 \± \sqrt{(8^2 - 4(1)(3))}) / 2(1)[/tex]

[tex]x = (-8\± \sqrt{(64 - 12)}) / 2[/tex]

[tex]x = (-8 \± \sqrt{(52)}) / 2[/tex]

[tex]x = (-8 \± 2\sqrt{(13)}) / 2[/tex]

[tex]x = -4 \± \sqrt{(13)[/tex]

Therefοre, the sοlutiοns οf the quadratic equatiοn [tex]x^2 + 8x + 3 = 0[/tex]are:

[tex]x = -4 + \sqrt{(13)[/tex] and[tex]x = -4 - \sqrt{(13)[/tex]

Sο the answer is οptiοn C.

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Complete Question:

What are the solutions of this quadratic equation?

x² + 8x + 3 = 0 A. B. C. D.

The value of variable "x", which makes the equation " 8³ˣ/2²ˣ⁺¹ = 8⁹" true is 10.

We first simplify the left-hand side of the equation using the rules of exponents: which states that if the base of the numerator and denominator is same, then the power can be subtracted,

So, We have : 8³ˣ/2²ˣ⁺¹ = 8³ˣ - ⁽²ˣ⁺¹⁾ = 8ˣ⁻¹ ,

⇒ 8ˣ⁻¹ = 8⁹,

To solve for x, we can use the fact that if two exponential expressions with the same base are equal, then their exponents must be equal as well.

We equate,

⇒ x - 1 = 9,

⇒ x = 10,

Therefore, the value of x that makes the equation true is x = 10.

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The correct explicit rule is f(n) = 50 + 30n

An explicit rule is a mathematical formula that directly gives the n-th term of a sequence or the value of a function for a given input, without the need to find other terms first. It can be expressed using variables, constants, and operations such as addition, subtraction, multiplication, and division.

To determine who is correct, we need to first understand the meaning of the variables in the explicit rules.

Let n be the number of days the car is rented for.

Let f(n) be the cost of renting the car for n days.

The deposit is a one-time charge and is not dependent on the number of days rented. Therefore, the constant term in the explicit rule should be 50.

Now, for each day rented, the cost is $30. This means that the cost for n days should be 30n.

So the correct explicit rule is:

f(n) = 50 + 30n

Therefore, Kevin is correct with the explicit rule f(n) = 50 + 30(n-1). This is because we subtract 1 from n since the deposit is charged only once at the beginning and is not included in the daily rate.

Suzanne's explicit rule, f(n) = 80 + 30(n-1), adds an extra $30 to the cost of renting the car, which is not correct.

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The correct answer is d. A detailed spreadsheet filled with measurements about the air quality of different major cities is an example of computer-readable data.

Computer-readable data refers to any information that can be interpreted and processed by a computer system. A handwritten note, brain waves, and a physical photograph cannot be read and interpreted by a computer without undergoing a digitization process first.

On the other hand, a detailed spreadsheet containing well-structured data that can be easily read by a computer, such as in the case of air quality measurements, can be easily processed and analyzed by computer software. This data can be used to generate visualizations, perform statistical analysis, and extract insights that can inform decision-making.

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The question is -

Which of the following statements is an example of computer-readable data?

a. A handwritten note

b. Brain waves

c. A physical photograph

d. A detailed Spreadsheet filled with measurements about the air quality of different major cities

The number such that twice a number is fourteen is 7

If we let the number be "x", we can write the given information as an equation:

2x = 14

To solve for x, we need to isolate it on one side of the equation. We can do this by dividing both sides by 2:

2x/2 = 14/2

x = 7

Therefore, the number is 7.

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Answer:

Correct option is Option A

Step-by-step explanation:

Two fractions that also represent 60% are 6/10 and 12/20, which can be simplified to 3/5.

Percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol "%". Percentages are used in many areas, including finance, statistics, and science, to represent relative values or changes.

I choose 60%.

60% means 60 out of 100 or 60/100 or 3/5. It represents a fraction of a whole or a part of a group that is equivalent to 60 parts per 100 parts, or 3 parts per 5 parts.

For example, if there are 100 students in a class and 60 of them are girls, then 60% of the class are girls. Another example could be if a store is offering a 60% discount on a $100 item, then the discounted price would be $40.

Two fractions that also represent 60% are 6/10 and 12/20, which can be simplified to 3/5.

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By using a protractor or visual estimation, we can estimate the measure of angle ABC to the nearest degree.

To answer your question, let's first start with defining what an angle is. An angle is formed by two rays or line segments that share a common endpoint, called the vertex. The measure of an angle is usually given in degrees and is determined by how much the two rays are turned away from each other.

Now, let's look at the specific angle you asked about, angle ABC. Without a diagram or any additional information about the position of point B and C, it is impossible to determine the measure of angle ABC. However, we can make some general assumptions based on the fact that angle measures range from 0 to 360 degrees.

Assuming that angle ABC is a standard angle and not a reflex angle (i.e. it measures less than 180 degrees), we can estimate the measure of angle ABC to the nearest degree by using a protractor or by visual estimation. A protractor is a tool used to measure angles in degrees, and can be found at most office supply stores or online.

If we don't have access to a protractor, we can still estimate the measure of angle ABC by comparing it to other angles we know the measure of. For example, if angle ABC looks to be about halfway between a right angle (90 degrees) and a straight angle (180 degrees), we can estimate that angle ABC measures around 135 degrees.

In summary, without additional information about the specific position of points B and C, we cannot determine the exact measure of angle ABC. However, by using a protractor or visual estimation, we can estimate the measure of angle ABC to the nearest degree.

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The ratio of the number of blueberry bagels to plain bagels sold can be found by dividing the number of blueberry bagels sold by the number of plain bagels sold.

Ratio of blueberry bagels to plain bagels = Number of blueberry bagels sold / Number of plain bagels sold

In this case, the number of blueberry bagels sold is 13 and the number of plain bagels sold is 8.

Ratio of blueberry bagels to plain bagels = 13 / 8

Simplifying this ratio by dividing both numbers by their greatest common factor, we get:

Ratio of blueberry bagels to plain bagels = 1.625 : 1

Therefore, the ratio of the number of blueberry bagels to plain bagels sold is 1.625 : 1.

In the circle graph, the amount budgeted for marketing is

A circle graph is another term for a pie chart, which is a type of data visualization that represents data as a circle, divided into sectors or slices, each representing a proportion or percentage of the total data set.

The size of each sector is proportional to the value it represents, so larger sectors indicate larger values, and smaller sectors indicate smaller values.

In the circle graph, when the total annual budget is $12,500,000. The amount budgeted for marketing is

= 38/100 * 12,500,000

= 4,750,000

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Answer:

x ≈ 22,6°

Step-by-step explanation:

Use trigonometry:

[tex] \cos(x°) = \frac{12}{13} [/tex]

Use the reverse (SHIFT, cos (12/13)) function on your calculator to find the approximate value of x:

x ≈ 22,6°

Answer: a) Erica should choose 2, 3, and 6 to make a whole number and a fraction that have a product close to 1.

2 x 3 x 6 = 36, which is close to 1 when expressed as a fraction: 1/36.

b) (2/a) x (3/b) x (6/c) = 1

c) Multiplying both sides by a, b, and c, we get:

6bc = 2ac

3ac = ab

6ab = bc

Multiplying the three equations together, we get:

(6abc)^2 = (2ac) x (3ab) x (6bc)

216a^2 b^2 c^2 = 36a^2 b^2 c^2

a^2 b^2 c^2 = 1/6

Taking the square root of both sides, we get:

abc = 1/sqrt(6)

So, Erica's whole number is 2 x 3 x 6 = 36, and her fraction is 1/sqrt(6). The product of these is:

36 x 1/sqrt(6) = 6sqrt(6)

Her score is the absolute difference between 6sqrt(6) and 1:

|6sqrt(6) - 1| = 13.97 (rounded to two decimal places).

d) Erica's score for this round is 13.97.

Step-by-step explanation:

I hope this answer helps.

Option D: [tex](x-2)^2+(y-6)^2=16[/tex] is the equation of the circle.

Explanation:

Given that the circle is centered at the point and the length of its radius is 4.

We need to determine the equation of the circle.

The equation of the circle with center  and radius r is given by the equation,

[tex](x-h)^2+(y-k)^2=r^2[/tex]

Substituting the center and the radius in the above formula, we get,

[tex](x-2)^2+(y-6)^2=4^2[/tex]

Simplifying the radius, we get,

[tex](x-2)^2+(y-6)^2=16[/tex]

Thus, the equation of the circle is [tex](x-2)^2+(y-6)^2=16[/tex]

Hence, Option D is the correct answer.

The probability of picking a red ball is 2/3.

As given in the student question,

The probability that a randomly selected person would be a protestant and at the same time be a democrat or a republican is not given in the problem statement.

Hence, it cannot be determined without further information.

Probability is the branch of mathematics that deals with the study of uncertainty.

It provides a framework for analyzing random events that occur in the real world.

Probability helps us to estimate the likelihood of a particular event occurring. It helps us to make informed decisions when faced with uncertain outcomes.

It plays a critical role in many fields such as science, engineering, economics, and finance.

Probability formula:

The probability of an event is calculated by dividing the number of favorable outcomes by the total number of outcomes.

The formula for probability is given by:

P (A) = Number of favorable outcomes/ Total number of outcomes

where P (A) represents the probability of event A.

Example:

Suppose we have a bag containing 10 red balls and 5 blue balls.

The total number of outcomes = 10 + 5 = 15

The number of favorable outcomes = 10P (Red ball) = 10/15 = 2/3

Therefore, the probability of picking a red ball is 2/3.

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Answer:

Step-by-step explanation:

First

Answer:

41.05

Step-by-step explanation:

Given that-

Solve-

Let, "p" represents his original cost.

0.4p = $16.42        

0.4p/0.4 = $16.42/0.4    >> Divide both sides by 0.4          

   p  = $16.42/0.40         >> $16.42/0.40 = $41.05

Answer- $41.05

The price of the item was $41.05 if he had not used the coupon.

RevyBreeze

Answer:

$41.05

Step-by-step explanation:

.40c = $16.42

c = $41.05

Answer:

Step-by-step explanation:

$7

Answer:

7$

Step-by-step explanation:

There is a linear relationship between the number of absences and grade point average.

The total number of absences depend on the number of students enrolled in a class. Therefore, a measure independent of the number of students is needed. This leads to the introduction of the concept of normalized absences.

It is defined as: Number of Absences / (Number of Students x Number of Contact Hours).

A Final Grade is the installation of specific materials - such as screened topsoil - on top of a clay base called, "Rough Grade" that promotes proper drainage and flow of excess water away from existing structures.

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Answer:

x = -30

y = 18

Step-by-step explanation:

-2,4x - 3y is equal to both 18 and y

Since there are two equal signs, we have a double equation (we can write each equation seperately and put them in a system):

{y = -2,4x - 3y,

{-2,4x - 3y = 18;

.

We move 3y to the left, so we change the sign to the opposite:

{4y = -2,4x, / : 4 (put y and 3y together)

{-2,4x - 3y = 18;

.

y = -0,6x,

-2,4x - 3y = 18;

Replace y in the 2nd equation with its value from the 1st equation:

-2,4x - 3 × (-0,6x) = 18

-2,4x + 1,8x = 18

-0,6x = 18 / : (-0,6)

x = -30

y = -0,6 × (-30) = 18

Answer:

Range, because it measures the difference between the highest and lowest values in a dataset, providing a clear measure of variability for both sets of data. It is not affected by skewness or symmetry, which makes it a useful measure of variability for comparing the temperature consistency between Desert Landing and Flower Town.

Step-by-step explanation:

Hope this helps!=D

Mark me brainliest! =D

Answer:

A. y=[x+4]-2

Step-by-step explanation:

The first and third quartiles of the given data set are 7.5 and 15.

The median represents the middle number when a dataset is arranged in order. The median is the value that falls in the center when there are an odd number of values. The median is the average of the two center values when there are even more values.

The methods listed below can be used to determine the first and third quartiles of the provided data set:

Step 1: A data collection should be arranged in ascending order:

0 0 1 6 9 9 10 11 11 12 13 14 15 15 21 22

Step 2: Determine the data set's middle.

The median value in the data collection is known as the median. The median is the middle value when the number of values in the data collection is odd. The median is the average of the two middle values when the number of values in the data collection is even.

The data set in this instance contains 16 values, which is an even amount. In order to calculate the average, we select the two middle values:

Median = (11 + 12) / 2 = 11.5

Step 3: Calculate the first quartile (Q1).

In the bottom half of the data set, Q1 represents the median. The median of the bottom half of the data set must first be determined in order to determine Q1.

The lower half of the data set: 0 0 1 6 9 9 10 11

It is an even number since the bottom half of the data set contains 8 values. Consequently, we calculate the average of the two center values:

Median of lower half = (6 + 9) / 2 = 7.5

Therefore, Q1 = 7.5

Step 4: Calculate the third quartile (Q3).

The middle point of the data set's top half is Q3. The median of the top half of the data set must first be determined before we can determine Q3.

The upper half of the data set: 12 13 14 15 15 21 22

Seven values, an odd number, are present in the data set's top half. The median, then, is the midpoint of the range:

The median value for the top half is 15.

Therefore, Q3 = 15

Hence, the first and third quartiles of the given data set are 7.5 and 15, respectively.

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Yes, that’s correct! A sphere's volume is equivalent to a cylinder's volume by a factor of two-thirds whose height and diameter match the sphere's diameter

The formula below can be used to calculate a sphere's volume:

V = 4/3πr³

The points on the three-dimensional surface of a sphere are all equally far from the object's centre.

A cylinder is a three-dimensional shape made up of two parallel bases joined together by curves.

A sphere is viewed by mathematicians as a two-dimensional closed surface encased in three-dimensional space that is Euclidean. They distinguish between spheres and balls, which are three-dimensional manifolds with boundaries that encompass the volume encompassed by the sphere.

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