Find the value of x (Round to the nearest tenth)




Help plssssssssss

Answer:

p-(-Q)

Step-by-step explanation:

Because the thing goes down and i got it correct for that answer your welcome

Answer:

The answer is 6

Step-by-step explanation:

Calculator '-'

Answer:

This is not possible

W = width of cardboard to start with

W+6 = length of cardboard to start with

H =2    (height of finished box)

volume = W x L x H = 14 in^3

if H=2 in, then the area of the base before cutting out the 2x2 corners is W x L = 7 in^2

This is not enough area to cut out the 4 corners of 2x2 each, which would be 16 in^2

Answer: 5

Step-by-step explanation: You have to do rise overrun which is \(\frac{5}{1}\), which equals 5.

Answer:

The equation of the line is written in the slope-intercept form, which is: y = mx + b, where m represents the slope and b represents the y-intercept.

Step-by-step explanation:

i hope the above help you find it

all the best mate !

Answer:

Step-by-step explanation:

(5 + 4)/(3 + 2) = 9/5

y - 5 = 9/5(x - 3)

y - 25/5 = 9/5x - 27/5

y = 9/5x - 2/5

The equation of the line parallel to the points (-2, -4) and (3, 5) is \(y = \frac{9}{5}x-\frac{2}{5}\)

The line passes through the points (-2, -4) and (3, 5)

That is, x₁ = -2, y₁ = -4, x₂ = 3, y₂ = 5

The slope(m) of the line is given as:

\(m = \frac{y_2-y_1}{x_2-x_1} \\\\m = \frac{5-(-4)}{3-(-2)} \\\\m = \frac{5+4}{3+2} \\\\m = \frac{9}{5}\)

The equation parallel to the line will be given as:

\(y - y_1 = m(x - x_1)\\\\y - (-4) = \frac{9}{5}(x -(-2))\\\\y + 4 = \frac{9}{5}(x + 2)\\\\y+4 = \frac{9}{5}x + \frac{18}{5}\\\\y = \frac{9}{5}x+\frac{18}{5} - 4\\\\y = \frac{9}{5}x-\frac{2}{5}\)

The equation of the line parallel to the points (-2, -4) and (3, 5) is \(y = \frac{9}{5}x-\frac{2}{5}\)

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Jayden’s solution is True.

Jayden added the parentheses before dividing. This statement is False.

Jayden substituted the wrong value for a. This statement is False.

Jayden divided 14 by 2 and added 1.5. This statement is True.

In summary, Jayden's solution is incorrect. He correctly divided 14 by 2 and added 1.5, but he mistakenly added the parentheses before dividing. The expression a ÷ (2 + 1.5) means dividing a by the sum of 2 and 1.5. Evaluating this expression with a = 14, we have 14 ÷ (2 + 1.5) = 14 ÷ 3.5 = 4. Therefore, Jayden's answer of 8.5 is incorrect. He either made an error in the calculation or misinterpreted the expression by adding the parentheses in the wrong place. To obtain the correct answer, the division should be performed after adding 2 and 1.5, resulting in a quotient of 4.

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Answer:

a. 1/12 (hope it help)

Step-by-step explanation:

5sec/60sec=1/12

Answer:

your mom

i dunno what else to put here lol

Answer:

Total area of four walls is 450ft

Step-by-step explanation:

First to find area of one wall is lenghth times height 2(12 x 9)

Second to find the area of the two other walls it’s height times width 2(13 x 9)

third add then up and you get 450

The inequalities that represent the given word problem is;

x + y ≤ 20      

150x + 350y ≥  4800    

We are given;

The cost of each chair = $ 150

The cost of each table = $ 350

The maximum number of chair and table can ship = 20

The minimum selling amount of chairs and tables = $ 4800

Let the number of chairs to be ship = x

Let the number of tables to be ship = y

Thus, we can form the inequalities as;

x + y ≤ 20         .......(1)

150x + 350y ≥  4800         ....(2)

From eq 1;

x ≤ 20 - y

Put 20 - y for C in eq 2 to get;

150(20 - y) + 350y ≥  4800

Now, from the inequality graph attached the point where the two graphs meet is a solution to the simultaneous inequalities which is;

x ≥ 11 and y ≤ 9

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In order for a researcher to generalize about a population using data from a sample, it is best to employ the principles of statistical inference. Statistical inference allows researchers to draw conclusions about a larger population based on the characteristics and findings of a smaller sample.

By employing appropriate sampling techniques, ensuring sample representativeness, and utilizing statistical analysis, researchers can make valid inferences and generalize their findings to the larger population. When researchers aim to generalize about a population using data from a sample, they need to employ statistical inference techniques. Statistical inference involves using sample data to make conclusions or inferences about a larger population. It allows researchers to bridge the gap between the sample and the population by utilizing appropriate sampling techniques and statistical analysis. To begin with, researchers must use proper sampling methods to ensure that the sample is representative of the population of interest. Random sampling, where every individual in the population has an equal chance of being included in the sample, is often preferred. This helps minimize bias and increases the likelihood that the sample accurately represents the population's characteristics. Additionally, researchers need to employ statistical analysis techniques to draw valid conclusions. They can use descriptive statistics to summarize the characteristics of the sample and inferential statistics to make inferences about the population based on the sample data. Techniques such as hypothesis testing and confidence intervals allow researchers to quantify the uncertainty associated with their findings and assess the generalizability of their results. By combining appropriate sampling methods and statistical analysis techniques, researchers can make reliable generalizations about a population based on their sample data. It is crucial to acknowledge the limitations and assumptions of statistical inference and consider factors such as sample size, variability, and potential sources of bias to ensure the accuracy and validity of the generalizations made.

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Given: Two similar triangles QRS and TRU

To Determine: The reflexive property to prove the similar triangles

Solution

We have been all that could lead to proving the similar triangles QRS and TRU

The space given has a the reason reflexive property

The reflexive property of equality states that a number is always equal to itself

From the image

Hence, the correct option is ∠QRS ≅ ∠ TRU, OPTION D

Lemma 1 states that in a weighted, directed graph with a designated root, if we create a new set of edges E' by removing edges from the root to each vertex except itself.

Lemma 1 introduces the concept of an RDMST (Rooted Directed Minimum Spanning Tree) in a weighted, directed graph and highlights the relationship between the set of edges E' and the existence of cycles in the resulting graph T. It states that if T is not an RDMST, it must contain a cycle, indicating that removing certain edges from the root to other vertices can lead to cycles.

Lemma 2 focuses on the weight function w' and its impact on determining an RDMST. It states that the resulting graph T is an RDMST rooted at the designated root in the original graph if and only if it is an RDMST rooted at the designated root in the graph with the modified weight function w'. This lemma demonstrates that adjusting the weights of the edges based on the weights of the vertices preserves the property of being an RDMST.

Overall, these two lemmas provide insights into the properties and characteristics of RDMSTs in weighted, directed graphs and offer a foundation for understanding their existence and construction.

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Domain of a function means all possible inputs or all the numbers that can be put in place of x to get some output

Range of a function means all possible outputs or all the numbers that are the result of all the inputs or value of y

Intercept is the point on graph whose one coordinate is zero. There are two types of intercepts - X intercept where the y coordinate is zero and Y  intercept where the value of x coordinate is zero

the function given is g (x) =  -4x +8

The domain of the given function is all real numbers or - infinite < x< infinite

The range of the given function is all real numbers or - infinite < x< infinite

The x intercept of of the given function is where y = 0

so,  0 = -4x + 8

-8 = -4x

x = 2

The x intercept is (2,0)

Hence,  the domain, range, and x-intercept of the function g(x) = − 4x + 8 are Domain: −∞ < x < ∞; Range: −∞ < y < ∞; x-intercept (2, 0) which is first option

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Step-by-step explanation:

Took test

The derivative of f(x) = g(x)⋅h(x) is f'(x) = 506.25xe².⁵x + 202.5e².⁵x.

the derivative f'(x) = 22.5e^(2.5x) + 56.25xe^(2.5x).

To find the derivative of f(x)=g(x)⋅h(x), we will use the product rule:

f(x) = g(x)⋅h(x)

f'(x) = g'(x)⋅h(x) + g(x)⋅h'(x)

First, let's find the derivative of g(x):

g(x) = 9e².⁵x

g'(x) = 9(2.5)e².⁵x

g'(x) = 22.5e².⁵x

Now, let's find the derivative of h(x):

h(x) = 9 (2.5)x

h'(x) = 9 (2.5)

h'(x) = 22.5

Now we can plug in the values for g'(x) and h'(x) into the product rule:

f'(x) = g'(x)⋅h(x) + g(x)⋅h'(x)

f'(x) = 22.5e².⁵x⋅9(2.5)x + 9e².⁵x⋅22.5

f'(x) = 506.25xe².⁵x + 202.5e².⁵x

Therefore, the derivative of f(x) = g(x)⋅h(x) is f'(x) = 506.25xe².⁵x + 202.5e².⁵x.

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We need 60 gallons of the first brand of antifreeze and 20 gallons of the second brand of antifreeze to obtain 80 gallons of a mixture that contains 65% pure antifreeze.

Let x be the number of gallons of the first brand of antifreeze, and y be the number of gallons of the second brand of antifreeze used in the mixture.

From the problem, we know that we want to obtain 80 gallons of a mixture that contains 65% pure antifreeze. This means that the amount of pure antifreeze in the mixture is:

0.65 × 80 = 52 gallons

We can set up two equations based on the information given about the percentage of pure antifreeze in each brand of antifreeze:

0.6x + 0.8y = 52   (equation 1)

x + y = 80          (equation 2)

We can solve this system of equations by substitution or elimination. Here, we will use elimination:

Multiplying equation 2 by -0.6, we get:

-0.6x - 0.6y = -48

Adding this to equation 1, we eliminate x:

0.6x + 0.8y = 52 -0.6x - 0.6y = -48

0.2y = 4

Dividing both sides by 0.2, we get:

y = 20

Substituting this value into equation 2, we get:

x + 20 = 80

x = 60

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Answer:

x=3 and y=39

Step-by-step explanation:

2y + 3x = 87

y = 6x + 21

2(6x+21) + 3x = 87

12x + 42 + 3x = 87

15x + 42 = 87

15x = 45

x = 3

y = 6(3) + 21

y = 18 + 21

y = 39

Answer:

Step-by-step explanation:

12/18= 2/3, that’s the ratio of how many questions he gets right compared to total questions

So if there are 30 questions total, he will get 20 right (30 x 2/3)

If you’re taking into consideration that he already answered 18 questions, he will get 8 more correct

The difference in the dollar value of Assistantship (Stipend) between art and science fields with  standard errors is equal to 1.214.

Mean      24041.62203                 25952.36501

Sample mean difference between Assistantship (stipend) in arts and science is equal to

=  $25952.36501 - $24041.62203

= $1910.74298.

Hypothesized mean difference is 0 (there is no difference in stipend between the two fields).

Variance        621483.0801            615193.5853

Sample size    521                             479

Standard error of the difference is,

=√[(variance in arts / sample size in arts) + (variance in science / sample size in science)]

= √[(615193.5853 / 479) + (621483.0801 / 521)]

= $49.77

t-statistic

= (sample mean difference - hypothesized mean difference) / standard error of the difference

Substitute the values into the t-statistic formula,

⇒ t-statistic = ($1910.74298 - 0) / $49.77

⇒ t-statistic = 38.39

t-critical value for a two-tailed test with 992 degrees of freedom at a significance level of 0.05 is 1.9624.

t-statistic (38.39) > t-critical value (1.9624)

⇒Reject the null hypothesis that there is no difference in stipend between the two fields.

standard errors

= t-statistic / √(sample size)

= 38.39 / √(479 + 521)

= 38.39 /31.62

=1.214

Therefore,  the difference in the dollar value of Assistantship (Stipend) between these two fields is 1.214 standard errors away from the hypothesized difference.

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Answer:

The correct answer is 0.1368

Step-by-step explanation:

Got it right on Edge assignment

$7.50

The expected amount paid to the player is $7.50. This is calculated by taking the probability of each outcome multiplied by the amount paid for that outcome, and then summing them all together. The probabilities are as follows:

The expected amount paid is therefore: (0.75 x $5) + (0.0625 x $10) + (0.0039 x $20) + (0.0001 x $30) + (0.00001 x $50) = $7.50

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An equation in algebra is a mathematical statement that proves the equality of two mathematical expressions.

An equation in algebra is a mathematical statement that proves the equality of two mathematical expressions. Take into consideration the equation 3x + 5 = 14, in which 3x + 5 and 14 are two expressions that are separated by the word "equal." The standard form, slope-intercept form, and point-slope form are the three primary formats for linear equations. In a mathematical expression known as an equation, the equals sign appears. Algebra is used in a variety of equations. When you don't know how much to compute in math, you use algebra to approximate the answer.

given

Take into consideration the equation 3x + 5 = 14, in which 3x + 5 and 14 are two expressions that are separated by the word "equal."

The standard form, slope-intercept form, and point-slope form are the three primary formats for linear equations.

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Answer:

A. the line y=(-2/3)x+5 with shading below and the line y=(-x)+3 with shading above; both have a negative slope, with the first passing through (0,5) and the second through (0,3).

B. (5,1) is included; 2(5)+3(1)=13, and 13<15 5+1=6, and 6>3

C. (4,2) Michael could buy four sandwiches and two hot lunches for less than fifteen dollars and feed at least three students (he could feed 6)

Answer:

1/12/2121 precent

Step-by-step explanation:

Answer:

12/15 or 4/5

Step-by-step explanation:

4+1+7=12

All three fractions have common denominator which is 15

Answer:Exact Form 4/5

Decimal form: 0.8

or it is 8/10, 12/15, 16,20, 20/25 and 24/30

Answer:

810 minutes

Step-by-step explanation:

90÷5=18

18×45=810

It will take him 810 mins.

I hope this helped!!

Answer:

810 minutes

13 hours 30 minutes

Step-by-step explanation:

Let the unknown value be x

\(5\:miles = 45 \: minutes\\90\:miles = x\:minutes\)

Sole the proportion for x ; Cross Multiply

\(5\times \:x =90 \times 45\\\\5x\: = 4050\)

Divide both sides of the equation by 5

\(\frac{5x}{5} = \frac{4050}{5} \\\\x = 810 \:minutes =\\13 \:hours \:30\:minutes\)

Answer:

U' (5, 1 )

Step-by-step explanation:

under a reflection in the x- axis

a point (x, y ) → (x, - y ) , then

U (5, - 1 ) → U' (5, - (- 1) ) → U' (5, 1 )