Complete the square to re-write the quadratic function in vertex form:

Complete The Square To Re-write The Quadratic Function In Vertex Form:

Answers

Answer 1

Answer:

[tex]y = {(x - 2)}^{2} - 11[/tex]

i explain the steps in the pic

Complete The Square To Re-write The Quadratic Function In Vertex Form:

Related Questions

Keisha makes individual servings of nuts by dividing 4 1/2 cups of nuts individual 3/8 cup servings. How many individual servings can Keisha make?

Answers

Taking the quotient between the total amount and the amount needed for each serving, we can see that she can make 12 servings.

How many individual servings can Keisha make?

To see how many individual servings can Keisha make, we need to take the quotient between the total amount of nuts that she has and the amount that she needs for each serving.

The total amount she has is:

T = (4 + 1/2) cups.

Each serving needs:

S = (3/8) cups.

Taking the quotient we will get:

N = (4 + 1/2)/(3/8)

N = (4.5)/(3/8) = 12

She can make 12 individual servings.

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Answer:

3/8

Step-by-step explanation:

To solve this problem, we need to perform division. We can convert the mixed fraction 4 1/2 into an improper fraction: 4 1/2 = (4 x 2 + 1)/2 = 9/2. Then we can divide 9/2 by 3/8:

(9/2) ÷ (3/8) = (9/2) x (8/3) = 12

Therefore, Keisha can make 12 individual servings of nuts by dividing 4 1/2 cups of nuts into 3/8 cup servings.

Fill in the blank.
300 mm = M

Answers

300 mm = 0.3 m is the answer
300m equals to 0.3 m

Determine which polynomial is a perfect square trinomial.
4x^2 - 12x + 9
16x^2 + 24x - 9
4a^2 - 10a + 25
36b^2 - 24b - 16

Answers

Answer:

4x² - 12x + 9

4a² - 10a + 25

Step-by-step explanation:

If you want to have some fun with math, you should try to find perfect square trinomials. These are polynomials that look like this:

a² + 2ab + b² = (a + b)²

or

a² - 2ab + b² = (a - b)²

They are called perfect square trinomials because they are the squares of binomials. For example, x² + 2x + 1 is a perfect square trinomial because it is the same as (x + 1)².

How do you spot a perfect square trinomial? Here are some tips:

- The first and last terms must be perfect squares. For example, 4x² and 9 are perfect squares because they are 2x times 2x and 3 times 3.

- The middle term must be double the product of the square roots of the first and last terms. For example, 6x is double of 2x times 3, which are the square roots of 4x² and 9.

Let's practice with some examples:

4x²- 12x + 9

This is a perfect square trinomial because:

- The first and last terms are perfect squares: 4x² = (2x)² and 9 = (3)²

- The middle term is double the product of the square roots of the first and last terms: -12x = 2 * -2x * 3

We can write this polynomial as (2x - 3)².

16x² + 24x - 9

This is not a perfect square trinomial because:

- The first and last terms are perfect squares: 16x² = (4x)² and 9 = (3)²

- The middle term is not double the product of the square roots of the first and last terms: 24x ≠ 2 * -4x * -3

We cannot write this polynomial as a square of a binomial.

4a² - 10a + 25

This is a perfect square trinomial because:

- The first and last terms are perfect squares: 4a² = (2a)² and 25 = (5)²

- The middle term is double the product of the square roots of the first and last terms: -10a = 2 * -2a * -5

We can write this polynomial as (2a - 5)².

36b² - 24b - 16

This is not a perfect square trinomial because:

- The first and last terms are perfect squares: 36b² = (6b)² and 16 = (4)²

- The middle term is not double the product of the square roots of the first and last terms: -24b ≠ 2 * -6b * -4

We cannot write this polynomial as a square of a binomial.

Now you know how to find perfect square trinomials. They are fun, right?

The polynomials that are perfect square trinomials are:

a. 4x² - 12x + 9 = (2x - 3)^2 c. 4a² - 10a + 25 = (2a - 5)²

Thomas and zack had some toy cars. they were then given an equal number of toy cars and zack now had twice the number of toy cars as what he had at first. 2/3 of zack's toy cars were now 1/2 of thomas's toy cars. if zack had 36 more cards than thomas now, how toy cars were given to them altogether? how many toy cars dis thomas have at first?

Answers

Answer: Let's denote the number of toy cars that Thomas had at first as T, and the number of toy cars that they were given each as x.

After they were given an equal number of toy cars, Zack had twice the number of toys cars as he had at first, which means that Zack had 2x toy cars.

Also, we know that 2/3 of Zack's toy cars were now 1/2 of Thomas's toy cars, so we can write:

2/3 * 2x = 1/2 * (T + x)

Multiplying both sides by 3/2:

2x = 3/4T + 3/4x

Simplifying:

5/4x = 3/4T

Since Zack has 36 more toy cars than Thomas now, we can write:

2x - x = T + x - 36

Simplifying:

x = T/3 + 12

We can now substitute x in the second equation:

5/4(T/3 + 12) = 3/4T

Multiplying both sides by 12:

5T/4 + 60 = 9T/4

Subtracting 5T/4 from both sides:

T/2 = 60

T = 120

So Thomas had 120 toy cars at first, and they were given a total of:

2 * x + T + 2x - (T + x) = 3x + 2T = 3(T/3 + 12) + 2T = 5T + 108 = 708

Toy cars altogether.

The bull in ms.trahans pasture weighs 0.75 tons what is the weight of the bull in ponds

Answers

the answer is 1500 pounds

HELP MEEEE!!!!!!!!!!!!!!!!!!

Answers

The surface area and volume of the polyhedron are mathematically given as:

SA=160 Sqr Units

V=105 cubic units

This is further explained below.

We have,

Generally, The surface area of a three-dimensional object is equal to the total of areas of all of its faces, also known as surfaces. A cuboid has six faces that are rectangular in shape.

Add together the areas of each of the cube's six sides to get the surface area of the cube. To get the surface area of the prism, we may additionally label its length (l), width (w), and height (h), and then use the formula surface area = length (l) times width (w) times height (h).

To refresh your memory, the surface area of an item is the entire area of the exterior surfaces of the three-dimensional object or the total sum of the area of the faces of the object.

In other words, the surface area of an object is its "face area." It is expressed in terms of square units as a measurement.

In conclusion, Generally, the Surface area is mathematically given as

SA= 9+35+35+33+36+12

SA=160 Sqr Units

Generally, the equation for Volume is mathematically given as

V=(11*9)+6

V=99+6

V=105 cubic units

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the maker of a cell phone screen protector would like to estimate the proportion

Answers

Answer:

The maker of a cell phone screen protector would like to estimate the proportion of customers who file a warranty claim. To do so, they select a random sample of 200 customers and determine that the 96% confidence interval for the true proportion of customers who file a warranty claim to be 0.15 to 0.28.

Step-by-step explanation:

Is 82 inches grater than 5feet and 10 inches

Answers

Answer:

False, 82 inches is not greater than 5 feet and 10 inches

Step-by-step explanation:

1 feet = 12 inches

5x12=60+10=70

82 is greater than 70.

The Yield of a variety of wheat was measured on a series of small plots and was found to be approximately normal. The 2nd and 98th percentile were found to be 29 bushels/acre and 41 bushels/acre respectively. The standard deviation (bushels/acre) is approximately What?
a) 12 b) 6 c) 4 d) 3 e) 2

Answers

The standard deviation (in bushels/acre) is approximately 2. The correct answer is option e.

We know that the 2nd and 98th percentile are 29 bushels/acre and 41 bushels/acre respectively, and we assume that the yield of wheat follows a normal distribution.

We can use the standard normal distribution to find the z-scores corresponding to the 2nd and 98th percentiles:

z2 = invNorm(0.02) ≈ -2.05

z98 = invNorm(0.98) ≈ 2.05

We can use the z-score formula to relate the percentiles to the mean and standard deviation of the normal distribution:

z = (x - μ) / σ

Rearranging, we get:

σ = (x - μ) / z

We can use this formula to find the standard deviation:

For the 2nd percentile:

σ = (29 - μ) / (-2.05)

For the 98th percentile:

σ = (41 - μ) / 2.05

Since we want the standard deviation in bushels/acre, we can assume that the units cancel out, leaving us with:

(41 - μ) / 2.05 = (μ - 29) / (-2.05)

Solving for μ, we get:

μ = 35

Substituting this value of μ back into either of the equations for σ, we get:

σ ≈ 2.449

Therefore, the standard deviation (in bushels/acre) is approximately 2. The correct answer is option e.

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Can someone help me (again)

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Angles 1, 3, 6, and 8 are 158; the rest are 22.

HELP
look at the picture it says what to do.
:)

Answers

a. The value for m based on the information in the expression is 15.

b. The value for s based on the information is 21.

How to calculate the value

In Mathematics, it is important to note that an expression is simply used to show the relationship between the variables that are provided or the data given regarding an information. In this case, it is vital to note that they have at least two terms which have to be related by through an operator.

The value for m based on the information is:

= 38 - 23

= 15.

b. The value for s based on the information is:

= 59 - 38

= 21.

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A cube has a volume of (0.75xy)3 cubic centimeters.
What is the volume of the cube expressed as a fraction?

Answers

The volume of the cube expressed as a fraction will be 27x³y³ / 64.

Given that:

Volume, V = (0.75xy)³

It is frequently mathematically quantified using SI-derived units or different imperial or US traditional units. The concept of length is linked to the notion of capacity.

The volume of the cube expressed as a fraction is calculated as,

V = (0.75xy)³

V = (3xy/4)³

V = 27x³y³ / 64

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Two ways to approach the problem of communality in factor analysis:

Answers

One way to approach the problem of communality in factor analysis is to increase the number of factors included in the analysis. This can help to account for more of the variance in the observed variables and reduce the overall communality. Another approach is to identify and remove any variables that have high levels of communality, as these may not be contributing unique information to the factor analysis and may be better analyzed separately.

To address the problem of communality in factor analysis, two common approaches are:

1. Extraction Method: One approach is to choose an appropriate extraction method, such as Principal Components Analysis (PCA) or Maximum Likelihood Estimation (MLE). These methods aim to estimate communalities more accurately by considering the shared variance between variables.

2. Rotation Technique: Another approach is to apply rotation techniques like Varimax or Oblimin. These methods simplify the factor structure and improve interpretability, which can help identify meaningful communalities among variables more effectively.

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complete the chart with the correct conversions.
1/2 ton = ___ pounds
1/4 pound = ___ ounces
2 1/2 pounds = ___ ounces​

Answers

Answer:

Step-by-step explanation:

1/2 ton is 1000 pounds

1/4 pound is 4 ounces

2 1/2 pounds is 40 ounces

If f(x)=x^2-4 and g is a differentiable function of x, what is the derivative of f(g(x))?
A. 2g(x)
B. 2g'(x)
C. 2xg'(x)
D. 2g(x)g'(x)
E. 2g(x)-4

Answers

If f(x)=x²-4 and g is a differentiable function of x, what is the derivative of f(g(x)) is 2g(x)g'(x). The answer is (D) 2g(x)g'(x).

What is function?

In mathematics, a function is a relationship between two sets of elements, called the domain and the range, such that each element in the domain is associated with a unique element in the range.

We can use the chain rule to find the derivative of f(g(x)):

(f(g(x)))' = f'(g(x)) * g'(x)

First, we need to find f'(x), which is the derivative of f(x) with respect to x:

f'(x) = 2x

Next, we can substitute g(x) for x in f'(x) to get f'(g(x)):

f'(g(x)) = 2g(x)

Finally, we can plug in f'(g(x)) and g'(x) into the chain rule formula to get the derivative of f(g(x)):

(f(g(x)))' = f'(g(x)) * g'(x) = 2g(x) * g'(x)

Therefore, the answer is (D) 2g(x)g'(x).

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Janice is considering buying a new home. She wants to estimate the monthly utilities (heating and air conditioning). She figures that the utilities are dependent on the size (square footage) of the home. She collects data on 10 homes in the neighborhood and finds a linear model to give the relationship between the size of the home and the monthly utilities. The equation of the line is ŷ = –8.1 + 1.91x, where ŷ is the mean monthly cost in utilities and x is the square footage of the home. The residual plot is shown.
Based on the residual plot, is the linear model appropriate?

No, there is no clear pattern in the residual plot.
Yes, there is no clear pattern in the residual plot.
No, there are no homes between 2,300 and 2,900 square feet.
Yes, half of the residuals are positive and half are negative.

Answers

Based on the residual plot, is the linear model appropriate is option (D). Yes, half of the residuals are positive and half are negative.

What is the linear model?

The residual plot is one that can be a scatterplot of the residuals (the contrasts between the observed  values as well as the predicted values) against the indicator variable. The reason of this plot is to check the presumption that the errors are randomly conveyed and have steady fluctuation over the run of the indicator variable.

In the event that the linear show is fitting for the information, the residuals ought to be randomly scattered around the flat line at zero. The reality that half of the residuals are positive and half are negative indicates that there's no systematic bias within the predictions.

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Let the universal set={x€z} Is 15is great than or equal to x is greater than 25. (AUB)raise to power c ={x€z} is a prime number. I. N(C-AUB)=0 where A,B and C are proper subset of 21. Find i. AUBUC
ii. N(AcUBcUCc)

Answers

The members of each set are A = {2, 3, 5, 7, 11, 13, 17} and B = {}

A n B = {}

A u B = {2, 3, 5, 7, 11, 13, 17}

The members of each set

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

U = (1,2,3,4,.... 18)

A = {Prime numbers)

B = (Odd numbers greater than 31)

This means that the universal set is from 1 to 18

So, we have

A = {2, 3, 5, 7, 11, 13, 17}

B = {}

The sets of the following

A n B: This is the elements common in both sets

So, we have A n B = {}

A u B: This is the list of all elements without repetition

So, we have A u B = {2, 3, 5, 7, 11, 13, 17}

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complete question:

U

=(1,2,3,4,.... 18); A= {Prime numbers) and B= (Odd numbers greater than 31. a) If A and B are subsets of the universal set, &, list the members of A and B Find the set b) c) i) AnB ii) AUB i) Illustrate U, A and B on a Venn diagram. ii) Shade the region for prime factors of 18 on the Venn diagram.

5
A Petri dish is filled with 250 bacterial cultures. The number of bacteria in the dish triples
every hour.
Select the recursive and explicit formulas that model the scenario.

Answers

The recursive and the explicit formulas are f(n) = 3f(n - 1), where f(1) = 250 and f(n) = 250(3)ⁿ‐¹

Calculating the recursive and explicit formulas that model the scenario.

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

Initial = 250 bacterial cultures.Rate = triples every hour.

This means that

Initial, a = 250 bacterial cultures.

Rate = 3

So, the recursive formulas is

f(n) = 3f(n - 1), where f(1) = 250

For the explicit formula, we have

f(n) = 250(3)ⁿ‐¹

Hence, the recursive and the explicit formulas are f(n) = 3f(n - 1), where f(1) = 250 and f(n) = 250(3)ⁿ‐¹

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Suppose 4,700 was invested with an 5. 3 interest rate how much will be in account after 8 years

Answers

After 8 years, the amount in the account will be approximately $7,228.62.

To calculate the future value of an investment, we can use the formula for compound interest:

Future Value = Principal * (1 + Interest Rate)^Time

In this case, the principal (initial investment) is $4,700, the interest rate is 5.3% (or 0.053 as a decimal), and the time is 8 years. Plugging these values into the formula:

Future Value = 4700 * (1 + 0.053)^8

Calculating the future value:

Future Value = 4700 * (1.053)^8 ≈ $7,228.62

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Two friends want to find out the distance across a creek. Friends A holds one end of a rope and is standing (2x^2+2x-2) feet from the creek blank. Friend B holds the other end of the rope and is standing (x^2+17) feet from the creek bank. If the rope the friends are holding is (6x^2-x+12 feet long, how wide is the creek?

Answers

Two buddies want to know how far a creek is across. The creek is (3x² - 3x - 3) feet wide.

We know the distance of Friend A from one end of bank and distance of Friend B from another end of the bank and the distance between Friend A and B which is the distance of the rope and we have to calculate the width of the creek.

Distance of rope = Distance of friend A from the one end of the bank + width of creek + distance of Friend B from another end of the bank

6x²- x + 12 = (2x²+2x-2) + width of the creek + (x²+17)

6x²- x + 12 = width of the creek + (2x²+ 2x - 2 + x² + 17)

6x²- x + 12 = width of the creek + ( 3x² + 2x + 15)

width of the creek = 6x²- x + 12 - ( 3x² + 2x + 15)

=  6x²- x + 12 - 3x² - 2x - 15

= 3x² - 3x - 3

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Kevin is working two summer jobs, making $8 per hour babysitting and making $6
per hour walking dogs. In a given week, he can work no more than 13 total hours and
must earn no less than $90. If Kevin worked 3 hours walking dogs, determine the
minimum number of whole hours babysitting that he must work to meet his
requirements. If there are no possible solutions, submit an empty answer.

Answers

Kevin must work at least 9 hours babysitting to meet his requirements.

Let's call the number of hours Kevin works babysitting "x". We know that he works 3 hours walking dogs, so the total number of hours he works in a week is x + 3.

We also know that he must earn at least $90, so we can set up the following inequality:

8x + 6(3) ≥ 90

Simplifying this inequality, we get:

8x + 18 ≥ 90

Subtracting 18 from both sides, we get:

8x ≥ 72

Dividing both sides by 8, we get:

x ≥ 9

Therefore, Kevin must work at least 9 hours babysitting to meet his requirements.

To check that this is a valid solution, we can calculate his total earnings for the week:

Total earnings = 8x + 6(3) = 8x + 18

If he works 9 hours babysitting and 3 hours walking dogs, his total earnings will be:

Total earnings = 8(9) + 6(3) = 72 + 18 = $90

In summary, the minimum number of whole hours Kevin must work babysitting to meet his requirements is 9. This is found by solving an inequality based on his earnings and the number of hours he can work in a week, and then checking that the solution meets his requirements.

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In a particular university, there is a 25% chance that a randomly selected student is either a master's student or a senior. If randomly selecting another student, what is the probability that it is not the case that they are either a master's student or a senior

Answers

The probability that a randomly selected student is not a master's student or a senior is 0.75 or 75%.

Probability of not selecting a master's student or a senior = 0.75 or 75%.

The probability that a randomly selected student is either a master's student or a senior is 25%. Therefore, the probability that a randomly selected student is not a master's student or a senior is 75%.

To calculate the probability that a randomly selected student is not a master's student or a senior, we can subtract the probability that a randomly selected student is either a master's student or a senior from 1.

P(not a master's student or senior) = 1 - P(a master's student or senior)

P(not a master's student or senior) = 1 - 0.25

P(not a master's student or senior) = 0.75

Therefore, the probability that a randomly selected student is not a master's student or a senior is 0.75 or 75%.

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MVC in Java typically stands for
a. Model Virtual Controller
b. Motor Vehicle Collision
c. Mainframe View Controller
d. Model Virtual Computer
e. Model View Controller

Answers

The correct answer is (e) Model View Controller.



MVC is a design pattern commonly used in software engineering, particularly in web development frameworks such as Java Spring and Struts. In the context of Java, MVC stands for Model View Controller, which is a design pattern that separates an application into three interconnected components:

- The Model represents the data and the business logic of the application.
- The View represents the user interface, and is responsible for rendering the data to the user.
- The Controller acts as an intermediary between the Model and the View, and handles user input and updates to the Model.

The Model and View components are decoupled and can be developed independently, while the Controller component handles the communication between them. This separation of concerns makes it easier to maintain and modify the application, and also allows for code reuse.

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Complete the table below.

Answers

The table is completed as follows:

When x = 1, y = 2x² = 2 and y = 2^x = 2.When x = 2, y = 2x² = 8 and y = 2^x = 4.

How to calculate the numeric value of a function or of an expression?

To calculate the numeric value of a function or of an expression, we substitute each instance of any variable or unknown on the function by the value at which we want to find the numeric value of the function or of the expression presented in the context of a problem.

For the function y = 2x², the numeric values are given as follows:

x = 1: y = 2 x 1² = 2.x = 2: y = 2 x 2² = 8.

For the function y = 2^x, the numeric values are given as follows:

x = 1: y = 2^1 = 2x = 2: y = 2² = 4.

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Question 4 The table shows the number of points scored by a football team. Points Scored by a Football Team 20 3 9 21 24 68 14 18 7 35 12 Blank 1: 31 Calculate the mean and median with and without the outlier. Round to the nearest tenth, if necessary. The mean with the outlier is The median with the outlier is The mean without the outlier is The median without the outlier is (Example 2)​

Answers

The mean with the outlier is 20.2.

The median with the outlier is 18.

The mean without the outlier is 17.6.

The median without the outlier is also 18.

How to Solve the Problem?

To find the middle, we must first sort the dossier from shortest to capital:

3, 7, 9, 12, 14, 18, 20, 21, 24, 31, 35, 68

When a set of 12 numbers is orderly, the middle is the middle profit. If skilled are an even number of variables, the middle is the average of two together middle principles.

(accompanying deviation) Median = 18

To decide the mean outside the deviation, first away it and therefore recalculate the mean utilizing the staying principles:

20 + 3 + 9 + 21 + 24 + 14 + 18 + 7 + 35 + 12 + 31 = 194

There are now 11 principles, that wealth:

The mean (no outliers) is 194/11 = 17.6.

To reckon the middle outside the oddity, we must organize the staying principles in the following order:

3, 7, 9, 12, 14, 18, 20, 21, 24, 31, 35

When a set of 11 numbers is orderly, the middle is the middle worth. If skilled are an even number of variables, the middle is the average of two together middle principles.

Median (no outliers) = 18

As a result, the mean accompanying the aberration is 20.2 and the middle is 18. The mean, forbidding the oddity, is 17.6, and the middle, forbidding the deviation, is still 18.

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You won two free picks at the video arcade. You pick on ticket from a container that consists of 6 free-game tickets and 4 free-prize tickets. You pick another ticket from a container that consists of three 10 free-tokens tickets and five 20-free-tokens tickets. What is the probability that you picked a free-game ticket and a 20-free-tokens ticket?

Answers

The probability of picking a free-game ticket from the first container is 6/10, or 0.6. The probability of picking a 20-free-tokens ticket from the second container is 5/8, or 0.625.

To find the probability of both events occurring, you multiply the probabilities together:

0.6 x 0.625 = 0.375

So the probability of picking a free-game ticket and a 20-free-tokens ticket is 0.375, or 37.5%.

The product of two consecutive integers is three less than three times their sum. Find the integers.

I got the answer "x^2-5x=0"

How can I find out the numbers??

Answers

The two consecutive integers from the equation are 5 and 6.

We have,

Two consecutive integers:

x and  (x + 1)

To solve for the integers, you need to use the equation you found and solve for x:

x (x + 1) = 3 (x + x + 1) - 3

Simplifying:

x^2 + x = 6x + 3 - 3

x^2 - 5x = 0

Now you can factor out x:

x(x - 5) = 0

So,

x = 0 or x = 5.

Two consecutive integers,

x can't be 0. So the first integer is 5, and the next consecutive integer is 6.

Therefore,

The two consecutive integers are 5 and 6.

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Please help I'm struggling!

Answers

[tex]\sqrt[4]{567x^9 y^{11}} ~~ \begin{cases} 567=3\cdot 3\cdot 3\cdot 3\cdot 7\\ \qquad ~~ ~ 3^4\cdot 7\\ x^9=x^{4+4+1}\\ \qquad ~x^4\cdot x^4\cdot x\\ y^{11}=y^{4+4+3}\\ \qquad ~~ y^4\cdot y^4\cdot y^3 \end{cases}\implies \sqrt[4]{3^4\cdot 7 \cdot x^4\cdot x^4\cdot x\cdot y^4\cdot y^4\cdot y^3}[/tex]

[tex]\left( 3^4\cdot 7 \cdot x^4\cdot x^4\cdot x\cdot y^4\cdot y^4\cdot y^3\right)^{\frac{1}{4}}\implies 3^{\frac{4}{4}}\cdot 7^{\frac{1}{4}}\cdot x^{\frac{4}{4}}\cdot x^{\frac{4}{4}}\cdot x^{\frac{1}{4}}\cdot y^{\frac{4}{4}}\cdot y^{\frac{4}{4}}\cdot y^{\frac{3}{4}}[/tex]

[tex]3\cdot 7^{\frac{1}{4}}\cdot x\cdot x\cdot x^{\frac{1}{4}}\cdot y\cdot y\cdot y^{\frac{3}{4}}\implies 3x^2y^2\cdot 7^{\frac{1}{4}}x^{\frac{1}{4}} y^{\frac{3}{4}} \implies 3x^2y^2(7xy^3)^{\frac{1}{4}} \\\\\\ ~\hfill {\Large \begin{array}{llll} 3x^2y^2\sqrt[4]{7xy^3} \end{array}}~\hfill[/tex]

From midnight to 8:00 am, the temperature dropped 1.8°C each hour. If the temperature at 8:00 am was -23.4°C, what was the temperature at midnight? Please help me

Answers

The temperature at midnight was -9°C.

How to find the temperature at midnight

The temperature dropped by 1.8°C each hour from midnight to 8:00 am, which means that the temperature dropped 1.8 x 8 = 14.4°C during this time.

If the temperature at 8:00 am was -23.4°C, then the temperature at midnight must have been -23.4°C + 14.4°C = -9°C.

Therefore, the temperature at midnight was -9°C.

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Need help finding n and m.

Answers

Note that the value of integers m and n are   m =  5 and n  = 3.   Understand that there are other   ways one can solve this.

How did we   arrive at the  above conclusion?

We begin by trying different values of m and n that satisfy the given equation.

If we let m = 5 and n = 2, then:

m² - n² = 5² - 2² = 25 - 4 = 21

So m = 5 and n = 2 is one possible solution to the equation m² - n² = 21.


Recal that an equation is simply a math expression that is uxed to codify real world situations or sometimes, ficticious ones.

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Full Question:

Although part of your question is missing, you might be referring to this full question:

I need to find the value of m and n

m² - n² = 21

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