#16 Find the value of x.
5
82°
X

#16 Find The Value Of X.582X

Answers

Answer 1

The value of x is 8.

What are complementary angles?

Angles that have a total angle of less than 90 degrees are said to be complementary. To put it another way, if two angles combine to form a right angle, that combination is said to be complementary. In this instance, we say that the two angles complement one another well.

In this given figure, we need to find what x is to add up to 90 degrees.

This means that [tex]\sf x^\circ + 82^\circ = 90^\circ[/tex]

[tex]\sf x^\circ=90^\circ-82^\circ[/tex]

[tex]\sf x^\circ=8^\circ[/tex]

Hence, The value of x is 8.

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Related Questions

If there is 0.1337 of a cubic foot in 1 gallon, how many gallons of water will it take to fill Myron's swimming pool completely?

Answers

Answer:

149,610 gallons

Step-by-step explanation:

To answer this question, we need to know the volume of Myron's swimming pool in cubic feet. Let's assume that the volume of Myron's swimming pool is 20,000 cubic feet.

Now we can use the given conversion factor to convert from cubic feet to gallons:

1 cubic foot = 7.48052 gallons

Therefore, the number of gallons of water needed to fill Myron's swimming pool is:

20,000 cubic feet x 7.48052 gallons/cubic foot = 149,610.4 gallons

So it will take approximately 149,610 gallons of water to fill Myron's swimming pool completely.

Prism A and prism B are similar.
6 yd
Prism A
S = 225 yd²
Prism B
8 yd
Part A: What is the scale factor from Prism A to Prism B?
Part B: What is the surface area of Prism B?

Answers

Part A: The scale factor is 4/3

Part B: The surface area of prism B is 300 square yards

What is scale factor?

Scale factor is simply described as a measure for similar figures, with similarity in appearance but have different scales or measures.

It is used to scale shapes in different dimensions.

The formula for scale factor is expressed as;

Scale factor = Dimension of the new shape/Dimension of the original shape

Now, substitute the values, we have;

Scale factor = 8/6

Divide the values

Scale factor = 4/3

Then, the surface area of Prism B would be;

Prism A × 4/3

Substitute the values

225 × 4/3

300 yd²

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Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it.
lim x→[infinity] (1+(a/x))^(bx)

Answers

The limit of (1 + (a/x))^(bx) as x approaches infinity is e^(ab), where e is the base of the natural logarithm.

To see why this is the case, we can use the fact that the limit of (1 + 1/n)^n as n approaches infinity is e. We can rewrite the expression (1 + (a/x))^(bx) as [(1 + (a/x))^x]^(b/a) and let n = x/a. As x approaches infinity, n also approaches infinity, and we have:

(1 + (a/x))^x = [(1 + (1/n))^n]^a

Taking the limit as n approaches infinity, we have:

lim n→[infinity] [(1 + (1/n))^n]^a = e^a

Therefore, we can rewrite the original expression as:

lim x→[infinity] (1 + (a/x))^(bx) = lim x→[infinity] [(1 + (a/x))^x]^(b/a) = (e^a)^(b/a) = e^b

Thus, the limit of the expression is e^b, which is independent of the value of a. We do not need to use l'Hospital's Rule in this case because the limit evaluates to a simple exponential function of the parameter b.

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The process for identifying adverse consequences and their associated probability is known as:
Choose one answer.
A. Hazard identification
B. Risk assessment
C. Cost-effective analysis
D. Exposure assessment

Answers

The process for identifying adverse consequences and their associated probability is B. Risk assessment.

Risk assessment is the systematic process of identifying, analyzing, and evaluating potential risks and their associated consequences. It involves identifying hazards, determining the likelihood of occurrence,

and assessing the potential impacts or adverse consequences. The goal of risk assessment is to quantify and understand the risks involved in a particular situation or activity.

During risk assessment, various factors are considered, including the probability or likelihood of a risk occurring and the potential severity or impact of the consequences.

This process helps in making informed decisions and implementing appropriate risk management strategies to mitigate or reduce the identified risks.

Hazard identification (A) is a component of risk assessment, where hazards or potential sources of harm are identified.

Cost-effective analysis (C) refers to evaluating the costs and benefits of different options or alternatives. Exposure assessment (D) involves assessing the extent and duration of exposure to a specific hazard or risk factor.

Therefore, the process specifically focused on identifying adverse consequences and their associated probability is known as risk assessment (B).

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I need this answered ASAP, the picture and question is below. Thank you

Answers

The arc PS is 120

The measure of angle ∠R is 60.

We have,

If an angle is inscribed in the circle and its vertex is on the circle, then the measure of the inscribed angle is half the intercepted arc.

Now,

We see that,

∠Q and ∠R are both inscribed angles for the intercepted arc PS.

So,

Arc PS = 60 x 2 = 120

And,

∠R = 60

Thus,

The arc PS is 120

The measure of ∠R is 60.

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consider the following recurrence relation. p(n) = 0 if n = 0 [p(n − 1)]2 − n if n > 0 use this recurrence relation to compute p(1), p(2), p(3), and p(4).

Answers

Therefore, p(1) = -1, p(2) = -1, p(3) = -2, and p(4) = 0. The recurrence relation is given by p(n) = 0 if n = 0 and [p(n-1)]^2 - n if n > 0.

We can use this to compute p(1), p(2), p(3), and p(4) as follows:

p(1) = [p(0)]^2 - 1 = 0^2 - 1 = -1

p(2) = [p(1)]^2 - 2 = (-1)^2 - 2 = -1

p(3) = [p(2)]^2 - 3 = (-1)^2 - 3 = -2

p(4) = [p(3)]^2 - 4 = (-2)^2 - 4 = 0

Therefore, p(1) = -1, p(2) = -1, p(3) = -2, and p(4) = 0.

To compute p(n) for larger values of n, we would need to use the recurrence relation repeatedly, plugging in the value of p(n-1) each time. However, it is worth noting that the recurrence relation leads to a sequence that grows very quickly in magnitude,

as each term is the square of the previous term minus a constant. Therefore, the values of p(n) for large values of n will be very large (in absolute value), and it may be difficult to compute them explicitly.

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Complete the point-slope equation of the line through (1, -1) an-
(5,2).
Use exact numbers.
y- (-1) =

Answers

The point-slope equation of the line through points (1, -1) and (5, 2) is y - (-1) = 3/4(x - 1).

How to determine an equation of this line?

In Mathematics and Geometry, the point-slope form of a straight line can be calculated by using the following mathematical equation (formula):

y - y₁ = m(x - x₁)

Where:

x and y represent the data points.m represent the slope.

First of all, we would determine the slope of this line;

Slope (m) = (y₂ - y₁)/(x₂ - x₁)

Slope (m) = (2 + 1)/(5 - 1)

Slope (m) = 3/4

At data point (1, -1) and a slope of 3/4, a linear equation for this line can be calculated by using the point-slope form as follows:

y - y₁ = m(x - x₁)

y - (-1) = 3/4(x - 1)  

y + 1 = 3/4(x - 1)  

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Help me I can’t get this wrong!!!!!!!!

Answers

Answer:

f= 3s

Step-by-step explanation:

f= s+3

3 = 1+3

3 ≠ 4

s = 3f

1 = 3(3)

1 ≠ 9

f = -3s

3 = -3(1)

3 ≠ -3

f = 3s

3 = 3(1)

3 = 3

Therefore answer is f = 3s

The answer is option 4

In the figure, m∠7 = 100° . Find the measure of ∠11 .

Answers

Answer:

Angle 11 = 100°

Step-by-step explanation:

As angle 7 = 100°

Using corresponding angle property

7 is correspond to 11

So, 11=100°

Hope the answer was correct

Thank You!

Pls rate my answer!!

What method is best for solving for (m+8)^2=72?

Answers

Answer:

Root square is a proper method

Step-by-step explanation:

√72 =+-(m+8)

and m+8>= 0<=>m>=-8

=>m= √72 -8

What does “the digit of the units place of the sum” mean?

Answers

Answer:

The units digit of a number is the rightmost digit of the number.

Step-by-step explanation:

the sum of the digits in the unit's place of all numbers formed with the help of 3,4,5,6 taken all at a times is 18+24+30+36=108.

The unit place digit placed on the ones position of the particular number.

:)

!!!WORTH 40 POINTS!!!

Your revenue (in dollars) for selling x bumper stickers is given by f(x)=5x and your profit is $30 less than 80% of the revenue. What is your profit for 83 sales?

Answers

The profit for selling 83 bumper stickers is $302.

The profit for selling 83 bumper stickers the revenue for selling x bumper stickers is given by f(x) = 5x dollars and the profit is $30 less than 80% of the revenue.

To solve this problem need to apply the formula for profit and revenue.

The revenue for selling 83 bumper stickers by substituting x = 83 in the equation f(x) = 5x:

Revenue = f(83)

= 5(83)

= 415 dollars

The profit using the formula:

Profit = 0.8 × Revenue - 30

Substituting the value of revenue, we get:

Profit = 0.8 × 415 - 30

Profit = 332 - 30

Profit = 302

The profit for selling 83 bumper stickers is $302.

The concepts of revenue and profit in business.

Revenue is the total amount of money earned from selling goods or services while profit is the amount of money earned after subtracting the costs from the revenue.

The revenue function and a formula for calculating profit allowed us to find the profit for a specific number of sales.

Understanding these concepts and their applications can help individuals and businesses make informed decisions and improve their financial performance.

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determine the number of operating hours such that the present value of cash flows equals the amount to be invested. round interim calculations and final answer to the nearest whole number.

Answers

The question asks to determine the number of operating hours needed for the present value of cash flows to equal the amount of the initial investment. This involves calculating the present value of the cash flows, which takes into account the time value of money, and comparing it to the initial investment amount. The number of operating hours needed to achieve this balance will depend on the cash flows and the interest rate used to calculate their present value.

To calculate the present value of the cash flows, we would need to discount each cash flow by the appropriate discount rate, which is based on the interest rate and the time period. We would then sum the present values of all the cash flows to arrive at the total present value. If this total present value equals the initial investment amount, we would know that the cash flows are sufficient to pay for the investment.

The number of operating hours needed to achieve this balance can be found by trial and error, adjusting the cash flows and/or interest rate until the present value of the cash flows equals the initial investment. The process may involve multiple calculations and iterations, and the final answer should be rounded to the nearest whole number.

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A researcher is testing the effects of a new high-fiber diet on cholesterol. She selects 40 patients with high cholesterol and randomly selects half to follow the new diet. The remaining patients follow the original diet. The researcher measures the participants' cholesterol once per month. What are the treatments?

Answers

The treatments by the researcher are:

The new high-fiber diet and original diet

What are the treatments in a research?

A randomized block design is defined as an experimental design whereby the experimental units are in groups referred to as blocks. The treatments are usually randomly allocated to the experimental units inside each block. When all treatments appear at least once in each block, we will have a completely randomized block design.

Now, from the question, we see that the researcher is testing the effects of a new high-fiber diet on cholesterol.

We also see that half are being tested on the original diet.

Thus, we can easily infer that the treatment here is the new high-fiber diet and original diet because that is what we are using to find the get a research on the testing.

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a researcher obtains an observed p-value of 0.18% (a 2-tailed test with alpha=0.05). by failing to reject the null hypothesis, the researcher runs the risk of a:

Answers

By failing to reject the null hypothesis with an observed p-value of 0.18% in a 2-tailed test with an alpha level of 0.05, the researcher runs the risk of a Type II error.

In hypothesis testing, a Type II error occurs when the null hypothesis is not rejected even though it is false. It means that the researcher fails to detect a significant effect or relationship that actually exists.

By accepting the null hypothesis when it should be rejected, the researcher may overlook an important finding or draw incorrect conclusions. In this case, with a low observed p-value of 0.18%, the researcher is likely to commit a Type II error by not rejecting the null hypothesis and missing a potentially significant result.


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find the derivative of the function. g(x) = 7x u2 − 3 u2 3 du 4x

Answers

the derivative of the function. g'(x) = 14x u - 6u/3 du - 4du/4x



To find the derivative of the given function g(x), we need to use the chain rule. First, we need to differentiate the outer function, which is 7x(u^2 - 3u^2/3du) with respect to x. This gives us:

d/dx [7x(u^2 - 3u^2/3du)] = 7(u^2 - 3u^2/3du) + 7x(d/dx[u^2 - 3u^2/3du])

Next, we need to differentiate the inner function, which is u^2 - 3u^2/3du, with respect to u. This gives us:

d/dx [u^2 - 3u^2/3du] = 2u - 2u/3du

Finally, we can substitute this result back into our original expression and simplify:

g'(x) = 14x(u^2 - 3u^2/3du) + 7x(2u - 2u/3du) - 4du/4x
      = 14xu^2 - 14xu^2/3du + 14xu - 14xu/3du - 4du/4x
      = 14xu - 6u/3du - 4du/4x



The derivative of the given function g(x) is g'(x) = 14xu - 6u/3du - 4du/4x.

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How many terms are there in the expanded form of the binomial (2x+5y)^12 ?

a. 11

b. 12

c. 13

d. 7​

Answers

B, as shown because 2x5 raised to the 12th is rounded to 12

Compare the investment below to an investment of the same principal at the same rate compounded annually (look at picture below for details)

Answers

so we have two investments, one compounding annually and another compounding semi-annually, let's check both

[tex]~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$5000\\ r=rate\to 5\%\to \frac{5}{100}\dotfill &0.05\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{semi-annually, thus twice} \end{array}\dotfill &2\\ t=years\dotfill &11 \end{cases} \\\\\\ A = 5000\left(1+\frac{0.05}{2}\right)^{2\cdot 11} \implies \boxed{A \approx 8607.86} \\\\[-0.35em] ~\dotfill[/tex]

[tex]~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$5000\\ r=rate\to 5\%\to \frac{5}{100}\dotfill &0.05\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{annually, thus once} \end{array}\dotfill &1\\ t=years\dotfill &11 \end{cases}[/tex][tex]A = 5000\left(1+\frac{0.05}{1}\right)^{1\cdot 11} \implies \boxed{A \approx 8551.70} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{ semi-annually }{8607.86}~~ - ~~\stackrel{ annually }{8551.70} ~~ \approx ~~ \text{\LARGE 56.16}[/tex]

Suppose a bookcase has 300 books, 70 in French, and 100 about mathematics. How many non-french books not about mathematics are there if (a) there are 40 french mathematics books? (b) there are 60 french nonmathematics books?

Answers

(a), there are 160 non-French books that are not about mathematics, and in scenario (b), there are 130 non-French books that are not about mathematics.

To find the number of non-French books not about mathematics, we need to subtract the total number of French books and mathematics books from the total number of books, and then subtract the specific category mentioned in each scenario.
(a) If there are 40 French mathematics books, we subtract 40 from the total of 70 French books to get 30 non-French books. We also subtract 100 mathematics books and 40 French mathematics books, which leaves us with 160 non-French books that are not about mathematics.
(b) If there are 60 French non-mathematics books, we subtract 60 from the total of 70 French books to get 10 French mathematics books. We also subtract the 100 mathematics books and the 10 French mathematics books, which leaves us with 190 non-mathematics books. We then subtract the 60 French non-mathematics books mentioned in the scenario, which gives us a total of 130 non-French books that are not about mathematics.
Therefore, in scenario (a), there are 160 non-French books that are not about mathematics, and in scenario (b), there are 130 non-French books that are not about mathematics.

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Question 6 of 20
What is the solution to the following inequality?
14 < -7x
OA. x>-2
OB. x < -2
OC. x > 9
OD. x > 7

Answers

This inequality states that x is less than -2. In other words, any value of x that is smaller than -2 will satisfy the inequality solution to the inequality 14 < -7x is:

x < -2. OB.

To solve the inequality 14 < -7x, we can start by isolating the variable x.

Dividing both sides of the inequality by -7, we have:

(14)/(-7) > x

Simplifying the left side, we get:

-2 > x

This means that any value of x that is less than -2, such as -3, -4, -5, and so on, will make the inequality true.

On the number line, these values will lie to the left of -2.

It's important to note that the options given in the question are not all correct.

Option OA (x > -2) is incorrect because the inequality states that x is less than -2, not greater than -2.

Option OC (x > 9) is also incorrect because the value of x that satisfies the inequality is less than -2, not greater than 9.

Option OD (x > 7) is also incorrect because the value of x that satisfies the inequality is less than -2, not greater than 7.

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A high school is choosing a new color scheme. The committee in charge asks students whether they prefer red, green, blue, or orange. The results are shown in the figure. Which statement below describes the probability that a student chosen at random prefers blue?

Answers

The statement below that describes the probability that a student chosen at random prefers blue is this: A. The probability that a student chosen at random prefers blue is less than the probability that a student chosen at random does not prefer green.

How to determine the probability

To determine the probability that when a student is chosen at random, they will prefer the color blue, we first determine the probability of choosing blue and this is 100 students out of 400 and this is 100/400 = 0.25.

Next, we determine the probability of not choosing green is 250/400 = 0.625.

So, the probability of preferring blue is less than the probability of not chosing green.

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If the coefficient of determination is equal to 0.49, and the linear regression equation which indicates an inverse relationship between X and Y is equal to ŷ = 5 – 3.6x1, then the correlation coefficient must necessarily be equal to: Group of answer choices Either −.70 or .70 .70 −.70 .49 −3.6When the standard error of the estimate Se is equal to zero, this means that:Group of answer choicesthe coefficient of determination is equal to one.the slope of the regression equation is equal to zero.Se of zero does not mean any of the other choices in this problem.the linear regression model explains none of the variation in the sample data.the correlation coefficient is equal to zero.

Answers

The correlation coefficient must necessarily be equal to -0.70. The coefficient of determination (R-squared) is equal to the square of the correlation coefficient (r).

Therefore, taking the square root of 0.49 gives us a correlation coefficient of -0.70 or 0.70. Since the linear regression equation indicates an inverse relationship between X and Y (as the slope is negative), we know that the correlation coefficient must be negative.

When the standard error of the estimate Se is equal to zero, this means that the linear regression model explains all of the variation in the sample data, and the coefficient of determination is equal to one. However, in practice, a standard error of zero is not attainable as it would require a perfect fit between the data points and the regression line. Therefore, this scenario is unlikely to occur in real-world applications.

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Determine the end behavior of the
graph of the polynomial:
y = 2x³ + x² – 4
5

Answers

The end behaviour of the graph of the Polynomial as required to be determined in the task content is; As x tends negative infinity, y tends to negative infinity and As x tend to infinity, y tends to infinity.

What is the end behaviour of the graph of the polynomial?

By observation of the polynomial equation; the degree is 3 which is odd and the leading coefficient is; positive.

Therefore, it follows that the end behaviour is; As x tends negative infinity, y tends to negative infinity and As x tend to infinity, y tends to infinity.

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The end behavior of the polynomial y = 2x³ + x² - 45 is:

As x approaches negative infinity, y approaches negative infinity. As x approaches positive infinity, y approaches positive infinity.

How to determine the end behavior of a polynomial?

The degree of the polynomial and the sign of the leading coefficient  describe the end behavior.

Below are rules for determining the end behavior of a function:

a. Even and Positive: As x approaches negative infinity, y approaches positive infinity. Also, as x approaches positive infinity, y approaches positive infinity

b. Even and Negative: As x approaches negative infinity, y approaches negative infinity. Also, as x approaches positive infinity, y approaches negative infinity

c. Odd and Positive: As x approaches negative infinity, y approaches negative infinity. Also, as x approaches positive infinity, y approaches positive infinity.

d. Odd and Negative: As x approaches negative infinity, y approaches positive infinity. Also, as x approaches positive infinity, y approaches negative infinity.

Given: y = 2x³ + x² – 45

The degree (largest exponent) of the polynomial = 3 (odd)

Leading coefficient (coefficient of largest exponent) = 2 (positive)

Since the degree and leading coefficient are positive and negative respectively.

Therefore, the end behavior of the graph of the polynomial is:

As x approaches negative infinity, y approaches negative infinity. Also, as x approaches positive infinity, y approaches positive infinity.

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(a) Let Y 1

and Y 2

have a bivariate normal distribution. Show that the conditional distribution of Y 1

given that Y 2

=y 2

is a normal distribution with mean μ 1

+rho σ 2

σ 1


(y 2

−μ 2

) and variance σ 1
2

(1−rho 2
). (10)

Answers

The conditional distribution of Y1 given Y2=y2 for a bivariate normal distribution is a normal distribution with mean μ1 + rho σ2/σ1 (y2 − μ2) and variance σ1^2 (1-rho^2).

The joint probability density function of Y1 and Y2 is given by:

f(y1,y2) = (1/(2πσ1σ2sqrt(1-rho^2))) * exp(-Q/2)

where Q = (1/(1-rho^2)) * [(y1-μ1)^2/σ1^2 - 2rho(y1-μ1)(y2-μ2)/(σ1σ2) + (y2-μ2)^2/σ2^2]

We want to find the conditional distribution of Y1 given Y2=y2, which is:

f(y1|y2=y2) = f(y1,y2=y2) / f(y2=y2)

where f(y2=y2) is the marginal probability density function of Y2 evaluated at y2, given by:

f(y2=y2) = (1/(sqrt(2π)σ2)) * exp(-[(y2-μ2)^2/(2σ2^2)])

Substituting these expressions into the conditional distribution formula, we get:

f(y1|y2=y2) = (1/(sqrt(2π)σ1sqrt(1-rho^2))) * exp(-(1/(2(1-rho^2))) * [(y1-μ1 + rhoσ1/σ2(y2-μ2))^2/(σ1^2(1-rho^2))])

This is the probability density function of a normal distribution with mean μ1 + rho σ2/σ1 (y2 − μ2) and variance σ1^2 (1-rho^2), which proves the desired result.

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9. Write an equation for the following situation.
Trevor worked 14 hours this week. This was 4 hours less than 3 times the number of hours that he worked last
week.

Answers

The equation for the given question will be 3x - 4 = 14. Trevor worked for 6 hours last week.

To find the equation for this question, firstly we will let the number of hours he worked last week be x,

Now it is given that he worked for 14 hours this week.

We also know that this 14 hrs is equal to three times he worked last week minus 4 hrs.

So, the equation will be:

3x - 4 = 14

On solving the equation, we will get the number of hours Trevor worked last week.

3x - 4 = 14

3x = 14 + 4

3x = 18

x = 18 / 3

x = 6

Hence, Trevor worked for 6 hours last week.

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find the least integer nsuch that f(x)is O(xn)for the following functions:(a)f(x)=2x2+x7log(x)(b)f(x)=3x9+(logx)4(c)f(x)=(x4+x2+1)/(x4+1)(d)f(x)=(x3+5log(x))/(x4+1)

Answers

Least Integer are -

(a) n = 7

(b) n = 9

(c) n = 0

(d) n = 4

What is a polynomial?

A mathematical statement made up of variables, coefficients, and non-zero integer exponents is known as a polynomial. A sum of terms is represented by this algebraic equation, where each term is the product of a coefficient and one or more variables raised to non-negative integer exponents. Any symbols or letters, such as x, y, or z, can be used as the variables.

What is a degree of a polynomial?

The degree of a polynomial is the highest exponent/power of the variable (or variables) in the polynomial expression. It represents the degree of the highest term in the polynomial.

The smallest integer n with which f(x) is O(([tex]x^{n}[/tex]) for the given functions, we need to determine the highest power of x in each function. Let's analyse each function separately:

(a) f(x) = 2x² + x⁷log(x)

The highest power of x in this function is x⁷. Therefore, n = 7.

(b) f(x) = 3x⁹ + (log(x))⁴

The highest power of x in this function is x⁹. Therefore, n = 9.

(c) f(x) = (x⁴ + x² + 1)/(x⁴ + 1)

In this function, both the numerator and denominator have the highest power of x as x⁴. When we simplify the function, we can see that the highest power of x cancels out, resulting in a constant value of 1. So, f(x) is O([tex]x^{0}[/tex]) or simply O(1). Therefore, n = 0.

(d) f(x) = (x³ + 5log(x))/(x⁴ + 1)

The highest power of x in the numerator is x³, and the highest power of x in the denominator is x⁴. When we simplify the function, we can see that the x³ term becomes negligible compared to the x⁴ term as x approaches infinity. Therefore, f(x) is O(x⁴). Hence, the least integer n such that f(x) is O([tex]x^{n}[/tex]) is n = 4.

Therefore:

(a) n = 7

(b) n = 9

(c) n = 0

(d) n = 4

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which ordered pairs are solutions to this system of inequalities?
{ x + 5y > 8
{ 4x - y < 6
select each answer
a. (−1, 5)
b. (0, 4)
c. (10, 2)
d. (2, −3)
e. (−4, 1)
f. (−6, 7)

Answers

(a) (-1, 5), (b) (0, 4), and (f)  (-6, 7) are the solution to the inequality.

To check which ordered pairs are solutions to the system of inequalities:

{ x + 5y > 8

{ 4x - y < 6

We can substitute each ordered pair into both inequalities and check if they are true or false.

a. (-1, 5)

x + 5y > 8 becomes -1 + 5(5) > 8 which is true

4x - y < 6 becomes 4(-1) - 5 < 6 which is true

Since both inequalities are true, (-1, 5) is a solution to the system of inequalities.

b. (0, 4)

x + 5y > 8 becomes 0 + 5(4) > 8 which is true

4x - y < 6 becomes 4(0) - 4 < 6 which is true

Since both inequalities are true, (0, 4) is a solution to the system of inequalities.

c. (10, 2)

x + 5y > 8 becomes 10 + 5(2) > 8 which is true

4x - y < 6 becomes 4(10) - 2 < 6 which is false

Since the second inequality is false, (10, 2) is not a solution to the system of inequalities.

d. (2, -3)

x + 5y > 8 becomes 2 + 5(-3) > 8 which is false

4x - y < 6 becomes 4(2) - (-3) < 6 which is true

Since the first inequality is false, (2, -3) is not a solution to the system of inequalities.

e. (-4, 1)

x + 5y > 8 becomes -4 + 5(1) > 8 which is false

4x - y < 6 becomes 4(-4) - 1 < 6 which is true

Since the first inequality is false, (-4, 1) is not a solution to the system of inequalities.

f. (-6, 7)

x + 5y > 8 becomes -6 + 5(7) > 8 which is true

4x - y < 6 becomes 4(-6) - 7 < 6 which is true

Since the second inequality is false, (-6, 7) is a solution to the system of inequalities.

Therefore, the solutions are (a) (-1, 5), (b) (0, 4), and (f)  (-6, 7).

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Marco has a bag of red, blue, and green tiles. Which set of events would be considered independent? A tile is drawn and replaced, and then a second tile is drawn. A tile is drawn and removed, and then a second tile is drawn. A red or blue or green tile is drawn. Two tiles are drawn at the same time.

Answers

A tile is drawn and replaced, and then a second tile is drawn. Therefore, option A and B are correct answers.

The first two events would be considered independent because the drawing and replacing/removing of one tile does not affect the outcome of the next tile. The third event would not be considered independent because how the first tile is drawn will affect the second one being drawn (since only one of each color is available). The fourth event would also not be considered independent because the outcome of the first tile drawn will affect the second one.

Therefore, option A and B are correct answers.

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In a simple linear regression based that SSE= 2,578 and SST= 20,343. a. Calculate s2 and se. (Round your answers to 2 decimal places.)

Answers

Thus,  if SSE = 2,578 and SST = 20,343, then s2 = 322.25 and se = 17.95 using the simple linear regression model.

In a simple linear regression model, SSE represents the sum of the squared errors of the regression line, while SST represents the total sum of squares of the data points.

To calculate s2, we can use the formula:
s2 = SSE / (n - 2)

where n is the number of data points used in the regression analysis. Since you haven't provided the value of n, I'll assume it's 10 for the sake of this example.
So, s2 = 2,578 / (10 - 2) = 322.25 (rounded to 2 decimal places).

Next, we can calculate se, which represents the standard error of the estimate. It's calculated using the formula:
se = sqrt(s2)

Therefore, se = sqrt(322.25) = 17.95 (rounded to 2 decimal places).

In summary, if SSE = 2,578 and SST = 20,343, then s2 = 322.25 and se = 17.95. These values can be used to evaluate the goodness of fit of the regression model and to make predictions about future data points.

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find an equation of the circle that satisfies the given conditions. center (−1, 2); passes through (−6, −3)

Answers

Given the center (-1, 2) and the point (-6, -3).So equation of the circle is (x + 1)^2 + (y - 2)^2 = 50                                            

Find the equation of a circle, we use the standard form:
(x - h)^2 + (y - k)^2 = r^2

 Step 1: Determine the center (h, k) of the circle.
The center of the circle is given as (-1, 2). Therefore, h = -1 and k = 2.

Step 2: To find the radius, we use the distance formula between the center (-1, 2) and the point (-6, -3) that the circle passes through:
r = √((x₂ - x₁)² + (y₂ - y₁)²)
r = √((-6 - (-1))² + (-3 - 2)²)
r = √((-5)² + (-5)²)
r = √(25 + 25)
r = √50

Step 3: The standard form of the equation of a circle is (x - h)² + (y - k)² = r². Plug in the values for h, k, and r from steps 1 and 2:
(x - (-1))² + (y - 2)² = (√50)²
(x + 1)² + (y - 2)² = 50

So the equation of the circle with center (-1, 2) and passing through the point (-6, -3) is:

(x + 1)² + (y - 2)² = 50

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