pls help real quick reward brainliestt

Answer:

\(x\) + 3 represents the length of the rectangle..

Answer:

Step-by-step explanation:

I can give you an answer

can u give me a brill please

Area = L * W

(x^2- 6x - 7) = L * (x - 7)

(x - 7)(x + 1) = L * (x - 7)

(x - 7)(x + 1)

=========     = L

(x - 7)

(x + 1) = L

The comparison distribution in a t test for dependent means is a distribution of the differences between the pairs of scores on the dependent variable.

This distribution is used to determine whether the observed differences between the means of two related groups are statistically significant or could have occurred by chance. The t statistic is calculated by dividing the mean difference between the pairs of scores by the standard error of the mean difference, which is based on the variance of the differences in the sample. The t statistic is then compared to a t distribution with degrees of freedom equal to the number of pairs of scores minus one to determine the probability of obtaining the observed difference by chance.

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The total weight of the liquid in the tank is approximately 16,425 pounds if the tank is in the shape of a hemisphere and has a radius of 5 feet.

Radius of tank = 5 feet

Density = 62.7 pounds per cubic foot

The hemisphere's volume is calculated by using the formula:

\(V = (2/3)*(3.14)r^3\)

V = \((2/3)* (3.41)*(5 ft)^3\)

V = 261.8 ft cubic centimeter.

The weight of the liquid is calculated by multiplying volume and density:

W = V × D

W = \(261.8 ft^3 * 62.7 lb/ft^3\)

W = 16425.2 lbs.

Therefore we can conclude that the total weight of the liquid in the tank is approximately 16,425 pounds.

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Since each input is mapped to only one output, the best description of the ordered pairs is given by:

B. both a relation and a function.

When does a relation represents a function?

A relation represents a function if each value of the input is mapped to only one value of the output.

For a point in the format (x, y), we have that:

=> x is the input.

=> y is the output.

=> The meaning is that the input x is mapped to the output y.

For this problem, the points are given as follows:

(-2, -1), (1, -4), (5, -8), (9, -12)

Each input is mapped to only one input, that is, there are no repeated values of x, hence the best description of the ordered pairs is given by:

B. both a relation and a function.

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The required quadratic regression is y = 0.27x² - 2.44x + 7.49

Given,

The data; {(1, 5), (3, 4), (4, 1), (5, 2), (7,4)}

The quadratic regression;

y = ax² + bx + c

To get the quadratic regression we have to simplify;

a ∑ xi⁴ + b  ∑ xi³ + c  ∑ xi² =  ∑ xi² yi

a  ∑ xi³ + b  ∑ xi² + c  ∑ xi =  ∑ xi yi

a  ∑ xi² + b  ∑ xi + c ni =  ∑ yi

Now,

3364 × a + 560 × b + 100 × c = 303

560 × a + 100 × b + 20 × c = 59

100 × a + 20 × b + 5 × c = 16

By solving the above system of equations we get;

a = 0.27 , b = - 2.44 , c = 7.49

Then,

The required quadratic regression is;

y = 0.27x² - 2.44x + 7.49

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When creating flowcharts, we represent a decision with a diamond shape. Correct option is d.

The diamond shape is used to indicate a point in the flowchart where a decision or choice needs to be made. The decision typically involves evaluating a condition or checking a criterion, and the flow of the program can take different paths based on the outcome of the decision.

The diamond shape is commonly associated with decision-making because its sharp angles resemble the concept of branching paths or alternative options. It serves as a visual cue to identify that a decision point is being represented in the flowchart.

Within the diamond shape, the flowchart usually includes the condition or criteria being evaluated, and the two or more possible paths that can be followed based on the result of the decision. These paths are typically represented by arrows that lead to different parts of the flowchart.

Overall, the diamond shape in flowcharts helps to clearly depict decision points and ensure that the logic and flow of the program are properly represented. Thus, Correct option is d.

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Coordinates of C under a dilation about point D with scale factor 2 is

( -13, -1 ).

We have scale factor of 2, and the coordinates are C (-5, 0) and D (3, 1).

It says C dilates about point D with the scale factor.

As there are only two points so we can make point D as center.

Now, According to the rule of dilation with Point D ( 3, 1 ) and scale factor 2.

( x, y ) → (2(x - 3) + 3 ) , ( 2(y - 1) + 1 )

( x, y ) → (2x - 3), (2y - 1)

then the dilation of the point C (-5, 0)

after putting x = -5 and y = 0 in the above equation we get,

(x, y) → (2 . (-5) - 3) , (2 . 0 - 1)

(x, y) → ( -10 - 3) , (-1)

(x, y) → ( -13 , -1)

Hence, Coordinates of C under a dilation about point D with scale factor 2 is  ( -13, -1 )

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The largest interval on which the solution is defined is [0, ∞)The given initial-value problem is solved and the largest interval i over which the solution is defined is [0, ∞).

The given differential equation is:(x+1) dx/dy+y

=lnx The solution for the given initial-value problem is obtained as follows:Here, M(x, y)

= (x + 1) and N(x, y)

= y – lnx Therefore,Partial derivative of M(x, y) with respect to y

= 0 and Partial derivative of N(x, y) with respect to x

= 1/x Hence the given differential equation is an exact differential equation.So, using the integrating factor is to be multiplied as follows:Let the integrating factor be u(x).Then, the integrating factor is given as follows:u(x)

= e∫M(x, y)dx

= ex+1dx

= e^(x+1)Therefore, multiplying the given differential equation with the integrating factor, we get:(x+1) d/dx[ye^(x+1)] = e^(x+1)lnx By integrating on both sides, we get:ye^(x+1)

= ∫e^(x+1)ln x dx By using the integration by substitution, let u

= lnx Then, du/dx

= 1/x, and dx

= xdu Therefore, ye^(x+1)

= ∫u * e^(x+1) * xdu

= xe^(x+1) * ∫e^(x+1) * du

= e^(2(x+1)) * x^2/2 + C,where C is a constant of integration.Then, the solution of the differential equation is obtained as follows:ye^(x+1)

= e^(2(x+1)) * x^2/2 + C Therefore, y

= (e^(2(x+1)) * x^2/2 + C) / e^(x+1)

= (1/2) * x^2 * e^(x+1) + Ce^(-x-1)Given that y(1)

= 10 Let us put x

= 1 and y

= 10 in the above equation, we get:10

= (1/2) * 1^2 * e^(1+1) + Ce^(-1-1)

= (1/2) * e^2 + Ce^(-2)Therefore, C

= 10 – (1/2) * e^2 * e^2

= 10 – e^2 Hence, the solution of the given initial-value problem is:y

= (1/2) * x^2 * e^(x+1) + (10 – e^2) * e^(-x-1).The largest interval on which the solution is defined is [0, ∞)The given initial-value problem is solved and the largest interval i over which the solution is defined is [0, ∞).

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Answer:

Step-by-step explanation:

To determine how long it will take for Louise to reach her goal of $30,000, we can use the formula for compound interest:

A = P * (1 + r/n)^(nt)

where:

A is the amount of money Louise will have after "t" years,

P is the initial investment of $20,000,

r is the annual interest rate of 4.28%,

n is the number of times the interest is compounded per year (12 times per year), and

t is the number of years.

We can rearrange this formula to solve for t:

t = (log(A/P)) / (log(1 + r/n))

Plugging in the values:

t = (log(30000/20000)) / (log(1 + (0.0428/12)))

t = 5.97 years

Rounding to the nearest tenth of a year, Louise will need to wait 6.0 years in order to reach her goal of $30,000.

Answer:

Step-by-step explanation:

With an eight team round robin, 28 games will be played in total (The total edges in K8). Since each game will produce two points regardless of outcome, 56 total points will be shared among the eight teams. In the absence of a well-defined tie breaking system, we assume that ties do not qualify as a guarantee. We define a team's point total as "ensuring" fourth place when the fifth place team could not possibly have that many points.

Ten points are not enough and eleven points must be enough. In one extreme case, teams A,B,C,D and E all draw each other and win against F,G, and H (who also draw each other), giving a fifth place team with ten points. If we have a fifth place team with eleven points then teams A,B,C,D, and E share at least 55 points, meaning teams F,G, and H share at most one point. However, F,G, and H play each other and must share at least six points, a contradiction. Therefore, 11 points guarantees fourth place at a minimum.

Answer:

$1.35

Step-by-step explanation:

8n = 10.80

Divide both sides by 8 to get n alone.

n = 10.80/8 = $1.35

In the given definitions, there are several difficulties and violations of the rules for definition by genus and difference. These include ambiguity, lack of specificity, and the inclusion of irrelevant information.

The rules being violated include the requirement for clear and concise definitions, inclusion of essential characteristics, and avoiding irrelevant or subjective statements.

12. The definition of a raincoat as an outer garment of plastic that repels water is too broad. It lacks specificity regarding the material and construction of the raincoat, as not all raincoats are made of plastic. Additionally, the use of "outer garment" is subjective and does not provide a clear distinction from other types of clothing.

13. The definition of a hazard as anything that is dangerous is too broad and subjective. It fails to provide a specific category or characteristics that define what qualifies as a hazard. The definition should include specific criteria or conditions that identify a hazard, such as the potential to cause harm or risk to safety.

14. The definition of sneezing as emitting wind audibly by the nose is too narrow and lacks clarity. It excludes other aspects of sneezing, such as the involuntary reflex and the expulsion of air through the mouth. The definition should encompass the essential characteristics of sneezing, including the reflexive nature and expulsion of air to clear the nasal passages.

15. The definition of a bore as a person who talks when you want him to listen is subjective and relies on personal preference. It does not provide objective criteria or essential characteristics to define a bore. A more appropriate definition would focus on the tendency to dominate conversations or disregard the interest or input of others.

In conclusion, these definitions violate the rules for definition by genus and difference by lacking specificity, including irrelevant information, and relying on subjective or ambiguous criteria. Clear and concise definitions should be based on essential characteristics and avoid personal opinions or subjective judgments.

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Answer:

-8

Step-by-step explanation:

-8 x 3 = -24

-24 is 16 units less than -8

The number of sides and size of each interior angle for the given polygon is equal to  6 and 120 degrees respectively.

Sum of interior angle of a polygon = 720 degrees

let us consider n be the number of sides of the polygon.

Using formula based on number of sides.

sum of interior angles of a polygon = (n - 2) × 180 degrees

Plug in this value and solve for n.

⇒ 720 = (n - 2) × 180

⇒ n - 2 = 720 / 180

⇒ n - 2 = 4

⇒ n = 6

The polygon has 6 sides.

The size of each interior angle, use the formula,

size of each interior angle = (sum of interior angles) / number of sides

Plugging in the values we know, we get,

⇒size of each interior angle = 720 / 6

                                              = 120 degrees

Therefore, number of sides of the polygon and each interior angle of the polygon has a size equals to 6 and 120 degrees respectively.

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The developer can build a maximum of 275 residential lots on the land, given the zoning regulations and the reservation of 25% of the land for streets and green space.

First, we need to find out how much land the developer has reserved for streets and green space:

25% of 80 acres = 0.25 x 80 = 20 acres

Now, we need to subtract this from the total area to get the area available for residential lots:

80 acres - 20 acres = 60 acres

Next, we need to convert the area into square feet:

60 acres x 43,560 square feet/acre = 2,613,600 square feet

Finally, we can divide the available area by the minimum required area per lot to find the maximum number of permissible lots:

2,613,600 square feet ÷ 9,500 square feet/lot ≈ 275 lots

Therefore, the developer can build a maximum of 275 residential lots on the land, given the zoning regulations and the reservation of 25% of the land for streets and green space.

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Answer:

218.57

Step-by-step explanation:

Since it is an isoceles triangle, the sides are 32, 32, and 14.

Using Heron's Formula, which is Area = sqrt(s(s-a)(s-b)(s-c)) when s = a+b+c/2,  we can calculate the area.

(A+B+C)/2  = (32+32+14)/2=39.

A = sqrt(39(39-32)(39-32)(39-14) = sqrt(39(7)(7)(25)) =sqrt(47775)= 218.57.

Hope this helps have a great day :)

Check the picture below.

so let's find the height "h" of the triangle with base of 14.

\(\begin{array}{llll} \textit{using the pythagorean theorem} \\\\ a^2+o^2=c^2\implies o=\sqrt{c^2 - a^2} \end{array} \qquad \begin{cases} c=\stackrel{hypotenuse}{32}\\ a=\stackrel{adjacent}{7}\\ o=\stackrel{opposite}{h} \end{cases} \\\\\\ h=\sqrt{ 32^2 - 7^2}\implies h=\sqrt{ 1024 - 49 } \implies h=\sqrt{ 975 }\implies h=5\sqrt{39} \\\\[-0.35em] ~\dotfill\)

\(\stackrel{\textit{area of the triangle}}{\cfrac{1}{2}(\underset{b}{14})(\underset{h}{5\sqrt{39}})}\implies 35\sqrt{39} ~~ \approx ~~ \text{\LARGE 218.57}\)

The Stony Brook University has been ranked as the third best university to pursue a degree in applied mathematic among all the other public and private universities.

Stony Brook University—SUNY is placed #77 in the Best Colleges rating for 2022–2023's National Universities category.

The tuition fees is $10,556 and $28,476 for in-state and out-of-state respectively. The Stony Brook University comes under the state University of New York along with the other 64 universities.

The Stony Brook AMS major has reportedly been listed by College Factual as one of the top five undergraduate applied mathematics degrees in the US for a number of years, according to USA Today. The top five schools for 2020 are CalTech, Stanford, Harvard, Brown, and Stony Brook.

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The rankings are as follows: Increasing bond length: Si-F < Si-C < Si-O

and Increasing bond strength: Si-O < Si-C < Si-F

To rank the bonds in each set in order of increasing bond length and increasing bond strength, you can use the following comparisons:

Set 5.1: Si-F, Si-C, Si-O

Ranking by increasing bond length: Si-O < Si-C < Si-F

Ranking by increasing bond strength: Si-F < Si-C < Si-O

Set 5.2: SiF NEN, N-N

Ranking by increasing bond length: Si-F < N-N

Ranking by increasing bond strength: N-N < Si-F

Set 5.3: NEN, N-N

Ranking by increasing bond length: N-N < NEN

Ranking by increasing bond strength: N-N < NEN

Based on the information provided, the rankings for bond length and bond strength in each set are as follows:

Set 5.1:

Ranking by increasing bond length: Si-O < Si-C < Si-F

Ranking by increasing bond strength: Si-F < Si-C < Si-O

Set 5.2:

Ranking by increasing bond length: Si-F < N-N

Ranking by increasing bond strength: N-N < Si-F

Set 5.3:

Ranking by increasing bond length: N-N < NEN

Ranking by increasing bond strength: N-N < NEN

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Answer:

Step-by-step explanation:

The meaning of the translation (x + 6, y + 10) is that all points in a coordinate plane are moved 6 units to the right and 10 units up.

In other words, for any point (x, y) in the original position, after the translation, the new coordinates would be (x + 6, y + 10). This means that the x-coordinate of each point is increased by 6 units, resulting in a shift to the right, and the y-coordinate is increased by 10 units, resulting in a shift upwards.

Answer:

just ask your teacher bro

Step-by-step explanation:

This equation indicates that the line is parallel to the x-axis and intersects the y-axis at y = 4. The line is a horizontal line passing through y = 4.

To find the equation of the line that passes through the points (6,4) and (-5,4), we can use the point-slope form of the equation of a line:

y - y1 = m(x - x1)

where (x1, y1) represents one of the given points, and m is the slope of the line.

First, let's calculate the slope (m) using the two given points:

m = (y2 - y1) / (x2 - x1)

m = (4 - 4) / (-5 - 6)

m = 0 / -11

m = 0

Since the slope (m) is zero, the line is a horizontal line. In this case, the line is y = 4, which means the y-coordinate is always 4 regardless of the x-coordinate.

Therefore, the equation of the line that passes through the points (6,4) and (-5,4) is:

y = 4

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Answer:

x < -1

Step-by-step explanation:

The compensating variation is $13.52.

The compensating variation is the amount of money that Greg would need to be compensated for a price increase in order to maintain his original level of utility. In this case, Greg's utility function is u = x^0.38x^0.962. His income is $83.00, and he faces these prices: (P1, P2) = (4.00, 1.00). If the price of x increases by $1.00, then the new prices are (P1, P2) = (5.00, 1.00).

To calculate the compensating variation, we can use the following formula:

CV = u(x1, x2) - u(x1', x2')

where u(x1, x2) is Greg's original level of utility, u(x1', x2') is Greg's new level of utility after the price increase, and CV is the compensating variation.

We can find u(x1, x2) using the following steps:

Set x1 = 83 / 4 = 20.75.

Set x2 = 83 - 20.75 = 62.25.

Substitute x1 and x2 into the utility function to get u(x1, x2) = 22.13.

We can find u(x1', x2') using the following steps:

Set x1' = 83 / 5 = 16.60.

Set x2' = 83 - 16.60 = 66.40.

Substitute x1' and x2' into the utility function to get u(x1', x2') = 21.62.

Therefore, the compensating variation is CV = 22.13 - 21.62 = $1.51.

To two decimal places, the compensating variation is $13.52.

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Answer:

B. 8

Step-by-step explanation:

By evaluate, they mean substitute in the values and solve.

x + 3y - n

= 10 + 3(2) - n

= 10 + 6 - 8

= 8

Please lmk if you have questions.

Answer:

It is 8!

Proof:

I took the activity.

Answer:

  (a) the density approaches infinity

Step-by-step explanation:

As with any inverse relation, when one variable gets smaller, the other gets larger.

When the volume approaches zero, the density approaches infinity.

Answer:

its A

Step-by-step explanation:

Therefore, the probability of Matt randomly selecting a sugar cookie from the bag, eats it, then randomly selects another sugar cookie is\(1/4 × 7/31 = 7/124.\)

Hence, the required probability is 7/124.
Given, the bag of cookies contains 9 chocolate chip cookies, 7 peanut butter cookies, 8 sugar cookies, and 8 oatmeal raisin cookies. We have to find the probability that Matt randomly selects a sugar cookie from the bag, eats it, then randomly selects another sugar cookie.

Number of sugar cookies in the bag = 8

Total number of cookies in the bag = \(9 + 7 + 8 + 8 = 32\)

Probability of randomly selecting a sugar cookie = Number of sugar cookies / Total number of cookies = 8 / 32 = 1/4

After eating one sugar cookie, there will be 7 sugar cookies remaining in the bag.

Probability of randomly selecting another sugar cookie after eating one = (Number of sugar cookies remaining in the bag) / (Total number of cookies remaining in the bag)

\(= 7 / (32-1) = 7/31\)
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The item in the Colleen's house that is most likely to meet the definition of a fixture is a tile.

A fixture is an item in a house that is permanently attached to a house with the use of a glue, nails or bolt. It would not be easy to remove fixtures from a house. Examples of fixtures are tiles, doors and windows.

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hello

to solve for k, we'll do it in a stepwise manner

step 1

collect like terms

step 2 above was to take LCM

step 3

cross multiply both sides and solve for k

Answer:

B

Step-by-step explanation:

I did math