Answer:
98
Step-by-step explanation:
W-45+W-40=W+13
W+W-45-40=W+13
2W-85=W+13
2W-W-85=13
W-85=13
W=13+85
W=98
\(\\ \tt\hookrightarrow W-45+W-40=W+13\)
\(\\ \tt\hookrightarrow 2W-85=W+13\)
\(\\ \tt\hookrightarrow 2W-W=85+13\)
\(\\ \tt\hookrightarrow W=98\)
When calculating a loan’s effective interest rate, if the nominal rate is 8.5%, what value of i do you plug into your equation? a. 8.5 b. 0.85 c. 0.085 d. 1.85 please select the best answer from the choices provided a b c d
The nominal interest rate to plug in will be 0.085.
What is interest rate?
An interest rate indicates how expensive borrowing is or how lucrative saving is. Therefore, if you are a borrower, the interest rate is the sum you pay for borrowing money and is expressed as a percentage of the overall loan amount.Given to us, the nominal rate is 8.5%,
The value to plug into your equation,
The equation can be simple interest or compound interest in both cases the value of the nominal rate to the plugin will be the same.
Thus, the nominal rate is 8.5% can be written as
Nominal rate = 8.5%
= 85/100 = 0.085
Hence, the nominal rate to plug in will be 0.085.
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Divide.
(5x²+25x-29)÷(x+6)
Your answer should give the quotient and the remainder.
When the polynomials 5x² + 25x - 29 divided by x + 6, we get the quotient = 5x - 5 and the remainder = 1.
Given a polynomial division.
Dividend = 5x² + 25x - 29
Divisor = x + 6
We have to divide this and find the respective quotient and the remainder.
We can divide using long division process.
Consider the first term of the dividend.
5x² = 5x × x
So the first term of the quotient is 5x.
5x (x + 6) = 5x² + 30x
The remainder in the first step is,
5x² + 25x - 29 - (5x² + 30x) = -5x - 29
Now, repeating the process,
-5x = -5 × x
The second terms of the quotient is -5.
-5 (x + 6) = -5x - 30
The remainder is,
-5x - 29 - (-5x - 30) = 1
This can't be divided further since there are no variables.
Hence the quotient is 5x - 5 and the remainder = 1.
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My teenage son consumed 8 donuts in one sitting. 8 donuts is ....(a)a lower bound on how many donuts he can eat in one sitting.(b)an upper bound on how many donuts he can eat in one sitting.(c)the exact number of donuts that he can eat in one sitting.(d)none of the other answers is correct.
The correct option from the given options is (a) a lower bound on how many donuts he can eat in one sitting.
A lower bound is a value which is equal to or greater than the minimum value of a set. In this given scenario, eight donuts are a lower bound on how many donuts a teenager can eat in one sitting. He might be able to eat more than eight donuts in one sitting but he cannot eat less than eight donuts in one sitting because it's a lower limit.
A lower limit or a lower bound is an absolute minimum. It is the minimum number of donuts that the teenager can consume in one sitting. In this scenario, there is a possibility that the teenager might eat more than eight donuts, but the lower limit is eight.
Therefore, the correct option is (a) a lower bound on how many donuts he can eat in one sitting.
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3.Simplify the difference quotient f(x+h−f(x)/h if f(x)=2x^2−x+3
To simplify the given difference quotient for the function f(x) = 2x^2 - x + 3, we substitute the expressions for f(x+h) and f(x) into the formula and simplify the expression.
The difference quotient is given by (f(x+h) - f(x))/h.
Substituting f(x) = 2x^2 - x + 3, we have:
(f(x+h) - f(x))/h = [(2(x+h)^2 - (x+h) + 3) - (2x^2 - x + 3)]/h
Expanding and simplifying the numerator:
= [(2(x^2 + 2xh + h^2) - x - h + 3) - (2x^2 - x + 3)]/h
= [2x^2 + 4xh + 2h^2 - x - h + 3 - 2x^2 + x - 3]/h
= (4xh + 2h^2 - h)/h
Now, we can simplify further by canceling out the common factor 'h':
= 4x + 2h - 1
Therefore, the simplified difference quotient for the function f(x) = 2x^2 - x + 3 is 4x + 2h - 1.
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A clerk enters 75 words per minute with 6 errors per hour. What probability distribution will be used to calculate probability that zero errors will be found in a 255-word bond transaction
The probability of having zero errors is approximately 0.711.
The probability distribution that can be used to calculate the probability that zero errors will be found in a 255-word bond transaction is the Poisson distribution.
The Poisson distribution is a discrete probability distribution that is used to model the number of events occurring within a fixed interval of time or space, given the average rate of occurrence of the events.
In this case, the average rate of occurrence of errors is 6 per hour, which can be converted to 0.1 errors per minute. Therefore, the expected number of errors in a 255-word bond transaction is (255/75)*0.1 = 0.34 errors.
Using the Poisson distribution, the probability of having zero errors in a 255-word bond transaction can be calculated as:
\(P(X = 0) = (e^{(-\lambda)} * \lambda^0) / 0! = e^{(-0.34)} * 0.34^0 / 1! \approx 0.711\)
where λ is the expected number of errors in the 255-word bond transaction.
Therefore, the probability distribution used to calculate the probability of having zero errors in a 255-word bond transaction is the Poisson distribution, and the probability of having zero errors is approximately 0.711.
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Will Luke pass the quiz? Luke's teacher has assigned each student in his class
an online quiz, which is made up of 10 multiple-choice questions with 4 options
each. Luke hasn't been paying attention in class and has to guess on each
question. However, his teacher allows each student to take the quiz three times
and will record the highest of the three scores. A passing score is 6 or more
correct out of 10. We want to perform a simulation to estimate the score that Luke
will earn on the quiz if he guesses at random on all the questions.
a. Describe how to use a random number generator to perform one trial of the
simulation
The dotplot shows Luke's simulated quiz score in 50 trials of the simulation.
Simulated quiz score
Starnes & Tabor, The Practice of Statistics, 6e, o 2018
Bedford, Freeman & Worth High School Publishers
b. Explain what the dot at 1 represents.
c. Use the results of the simulation to estimate the probability that Luke passes
the quiz
d. Doug is in the same class and claims to understand some of the material. If he
scored 8 points on the quiz, is there convincing evidence that he understands
some of the material? Explain your answer.
Simulation shows Luke's quiz score in 50 trials with a minimum passing score of 6. Probability of passing is about 0.1. Strong evidence that Luke understands some material as getting a score of 8 by guessing is highly unlikely.
Step 1: The teacher plans to give a multiple-choice test consisting of 10 questions with four answer options each. To conduct one trial of the simulation, a random number generator will be used. To pass the test, the student needs to answer at least six questions correctly. Since each question has four options, the probability of guessing the correct answer is one out of four. To simulate guessing, ten numbers will be generated between one and four, where one represents a correct answer and 2, 3, 4 represent incorrect answers.
Step 2: The dot plot provided illustrates the simulated quiz score of Luke through 50 trials. Each dot on the plot corresponds to a single trial. One dot, specifically the one located at 1, represents a simulated quiz score of one. This implies that in one of the simulation trials, Luke answered only one out of ten questions correctly.
Step 3: We must determine the likelihood of Luke passing the quiz, which contains 10 multiple-choice questions with four answer choices each, requiring a minimum of 6 correct answers to pass. In the dot plot depicting 50 trials of the simulation, the dots represent the quiz score, and 5 of the 50 trials resulted in a score of 6 or more. Thus, the probability of Luke passing the quiz is approximately 0.1 or 1/10.
Step 4: We need to determine whether there is sufficient evidence to support the claim that Doug has an understanding of some of the material.
Step 5: The dot plot displays the simulated quiz score over 50 trials when a person is guessing the answers to the questions. We can infer that it is highly improbable to obtain a quiz score of at least 8 by randomly guessing, as there are no dots above or to the right of 8 on the plot. This suggests that there is compelling evidence that the person understands some of the subject matter, as it is unlikely that they guessed correctly on all questions.
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The missing figure is in the image attached below
Math Question. 10 pts.
Answer:
A
Step-by-step explanation:
graph B would not pass the vertical line test because the line drawn would intersect the graph at more than one point
if 6m + 4 = 8m, then 4m =
a. 6
b. 2
c. 4
d. 8
Answer:
here is your correct answer dude
Answer:
I Think B.
Step-by-step explanation:
Im Not But CARRY ON LEARNING
the admissions officer for the graduate programs at the university of pennsylvania believes that the average score on the lsat exam at his university is significantly higher than the national average of 1,300. an accepted standard deviation for lsat scores is 125. a random sample of 25 scores had an average of 1,375. a. state the appropriate null and alternative hypotheses. b. calculate the value of the test statistic c. calculate the p-value. d. use the p-value to test the hypotheses and conduct the test at the 0.025 leve
(a) The Null And Alternate hypothesis are stated below,
(b) The value of test-statistic is 3,
(c) The "p-value" is 0.0013,
(d) The hypothesis is rejected because p-value is less than 0.025.
Part (a) : The appropriate null and alternative hypotheses are:
Null hypothesis (H₀): The average LSAT score at the University of Pennsylvania is equal to or less than the national average of 1,300.
Alternative hypothesis (Hₐ): The average LSAT score at the University of Pennsylvania is significantly higher than the national average of 1,300.
Part (b) : To calculate the test-statistic, we use formula : t = (x' - μ)/(s / √n),
where x' = sample mean, μ = hypothesized population mean, s = sample standard deviation, and n = sample size.
Substituting the given values,
We get,
t = (1375 - 1300)/(125 / √25) = 3;
So, the value of the test statistic is 3.
Part (c) : To calculate "p-value", we need to find the probability of getting a t-value as extreme or more extreme than 3, assuming that the null hypothesis is true.
We know that for a two-tailed test at a significance level of 0.03, the p-value is approximately 0.0013.
Part (d) : To test the hypotheses using the p-value, we compare it to the significance-level.
Since the p-value is less than 0.025 (half of the significance level for a two-tailed test), we reject the null hypothesis and conclude that there is sufficient evidence to support the claim.
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The given question is incomplete, the complete question is
The admissions officer for the graduate programs at the university of Pennsylvania believes that the average score on the LSAT exam at his university is significantly higher than the national average of 1,300. an accepted standard deviation for LSAT scores is 125. random sample of 25 scores had an average of 1,375.
(a) State the appropriate null and alternative hypotheses.
(b) Calculate the value of the test statistic
(c) Calculate the p-value.
(d) Use the p-value to test the hypotheses and conduct the test at the 0.025 level.
Which of the following is not a polynomial a) x²+√2x+3 b)x²+√2x+6 c)x³+3x²-3. d)6x+4
x²+√2x+3 and x²+√2x+6 are expressions that are not polynomial. (Option a and Option b)
What is polynomial expression?An expression that consists of variables, constants, and exponents that is combined using mathematical operations like addition, subtraction, multiplication, and division is referred to as a polynomial (No division operation by a variable).
A polynomial function is one that uses only non-negative integer powers or positive number coefficients of such a variables in such an expression like the quadratic function, cubic equation, and so on.
For the algebraic expression to be called a polynomial, the exponents in the algebraic expression should be non-negative integers. Also if an algebraic expression has a radical in it then it can not be called a polynomial.
a) x²+√2x+3. This expression is not a polynomial as the polynomial expression does not contain any radicals. √2 here is a radical root.
⇒ Hence, option a is not a polynomial expression.
b) x²+√2x+6.This expression is also not a polynomial expression as it has a radical √2 present in the expression.
⇒ Hence, option b is not a polynomial expression.
c) x³+3x²-3. This expression can be termed as a polynomial expression since all of the variables have positive integer exponents.
⇒ Hence, option c is a polynomial expression.
d) 6x+4. This expression is also a polynomial expression as all of the variables have positive integer exponents.
⇒ Hence option d is a polynomial expression.
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there is a line that includes the point (–2, 6) and has a slope of 2 What is its equation in slope-intercept form?
\((\stackrel{x_1}{-2}~,~\stackrel{y_1}{6})\hspace{10em} \stackrel{slope}{m} ~=~ 2 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{6}=\stackrel{m}{ 2}(x-\stackrel{x_1}{(-2)}) \implies y -6= 2 (x +2) \\\\\\ y-6=2x+4\implies {\Large \begin{array}{llll} y=2x+10 \end{array}}\)
9. Find the Maclaurin series and associated radius of convergence for f(x) = In(3 - x)
10. Given that 1 1-x Σ Use term-by-term differentiation or integration to find a power series for f(x) = In(1 + x2) centered at a = 0. Also determine the associated interval of convergence
The Maclaurin series for f(x) = ln(3 - x) is Σ((-1)^n (x^n) / (n 3^n), n=1 to infinity) with a radius of convergence of 3. The power series for f(x) = ln(1 + x^2) centered at a = 0 is Σ((-1)^(n-1) * (x^(2n)) / ((2n+1) * (2n+1)), n=1 to infinity) with an interval of convergence of -1 ≤ x ≤ 1.
To find a power series for f(x) = ln(1 + x^2) centered at a = 0, we can use term-by-term integration. We start with the known power series expansion for ln(1 + x), which is Σ((-1)^(n-1) (x^n) / n, n=1 to infinity). Integrating each term of the series gives us Σ((-1)^(n-1) * (x^(n+1)) / ((n+1) (n+1)), n=1 to infinity).
Therefore, the power series for f(x) = ln(1 + x^2) centered at a = 0 is Σ((-1)^(n-1) (x^(2n)) / ((2n+1) (2n+1)), n=1 to infinity). The interval of convergence for this series can be determined by analyzing the convergence of the terms. Since each term involves an alternating sign and the ratio of consecutive terms approaches zero as n approaches infinity, the interval of convergence is -1 ≤ x ≤ 1.
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The _______________ is the smallest value within the class and the _______________ is the largest value within the class.
The smallest value within the class is the lower class limit, and the largest value within the class is the upper class limit.
A class limit is a set of boundary values in the form of a range that describes the lowest and highest data values that a class can contain. The lower class limit refers to the smallest data value in a class, whereas the upper class limit refers to the largest data value in a class. The width of a class is determined by the difference between the upper and lower class limits. Here are a few examples to give you a better understanding of how this works:
Class: 5-9 5 9
Lower Limit: 10-14 10 14
Upper Limit: 15-19 15 19
This shows class limits for three different classes.
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Please find the missing number for the surface area. I will mark brainiest if correct. 2.
It is 18 because it is a square so all the sides have to be the same so that would make it 18
Describe any route that he can travel with, from his guest house to the stadium.
Answer:
hey. could you please post a pic of the full question socwe may help you.
Answer:
hey please post the full question or the pic of question
The table below shows the number of eggs needed for several servings of a recipe. How many eggs are needed for 90 servings?
Answer:12
Step-by-step explanation:You muplty then divide
what proportion of tickets sold are adult tickets? (image)
Can someone please help me with this question! Pls! I’ll give you the brainly thingy.. please.
Answer: range = 8 thousand dollars
domain is 17 months
the company is making a loss from -8,-6
Step-by-step explanation:
you need to run stats testing on sales data from two different buffalo wild wings stores to see if there's a correlation between number of employees and customer satisfaction. the test you want is a:
If there is a correlation between the number of employees and customer satisfaction in two different Buffalo Wild Wings stores, we need to perform a Pearson's correlation coefficient analysis.
To run stats testing on sales data from two different Buffalo Wild Wings stores, we need to use a correlation analysis. Specifically, we need to use Pearson's correlation coefficient to determine if there is a relationship between the number of employees and customer satisfaction. The Pearson's correlation coefficient ranges from -1 to +1, with -1 indicating a perfect negative correlation and +1 indicating a perfect positive correlation. If the coefficient is close to zero, it indicates that there is no correlation.
The data we need to collect includes the number of employees in each store and the sales data for a specific period. We also need to gather customer satisfaction data, which can be collected through surveys or other feedback mechanisms. Once we have the data, we can use a statistical software program like SPSS or Excel to perform the correlation analysis.
If the correlation coefficient is positive and statistically significant, it means that there is a relationship between the number of employees and customer satisfaction. This could mean that more employees lead to better customer service, which in turn leads to higher customer satisfaction and sales. However, if the correlation is negative or not statistically significant, it means that there is no relationship between the two variables.
In conclusion, to determine if there is a correlation between the number of employees and customer satisfaction in two different Buffalo Wild Wings stores, we need to perform a Pearson's correlation coefficient analysis. Gathering accurate data and using statistical software will allow us to determine if there is a significant relationship between the variables.
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Select the correct answer.
Consider figures 1 and 2 shown in the coordinate plane. Figure 1 has been transformed to produce figure 2.
-00
55-
N
2
N
ON
6
80
Which notation describes this transformation?
OA. (x,y) = (x,-)
OB. (x,y)=(x-4,y - 8)
OC. (x,y) = (x - 8,y - 8)
OD. (x,y)= (-2,-y)
9.
8.
Using translation concepts, the notation that describes this transformation is:
C. (x,y) -> (x - 8, y - 8).
What is a translation?A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction either in it’s definition or in it’s domain. Examples are shift left/right or bottom/up, vertical or horizontal stretching or compression, and reflections over the x-axis or the y-axis.
To generate figure 2 from figure 1, these following translations happened:
8 units left, hence x -> x - 8.8 units down, hence y -> y - 8.Thus the rule is given by:
C. (x,y) -> (x - 8, y - 8).
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Answer: (x',y') = (x - 4,y - 8)
Step-by-step explanation:
what is cos 28 degrees
The trigonometric function gives the ratio of different sides of a right-angle triangle. The value of cos(28°) is -0.9626.
What are Trigonometric functions?The trigonometric function gives the ratio of different sides of a right-angle triangle.
\(\rm Sin \theta=\dfrac{Perpendicular}{Hypotenuse}\\\\\\Cos \theta=\dfrac{Base}{Hypotenuse}\\\\\\Tan \theta=\dfrac{Perpendicular}{Base}\\\\\\Cosec \theta=\dfrac{Hypotenuse}{Perpendicular}\\\\\\Sec \theta=\dfrac{Hypotenuse}{Base}\\\\\\Cot \theta=\dfrac{Base}{Perpendicular}\\\\\\\)
where perpendicular is the side of the triangle which is opposite to the angle, and the hypotenuse is the longest side of the triangle which is opposite to the 90° angle.
The cosine is the ratio of the base of the triangle and the hypotenuse of the triangle. Therefore, The value of cos(28°) is -0.9626.
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Evaluate the following, expressing your result as a simplified fraction:
3
-0.4+
4
Answer:
6.6
Step-by-step explanation:
If the problem is 3-0.4+4, I subtracted 0.4 from 3 which I got 2.6 then added the 4 giving me the answer
Answer:
Step-by-step explanation:
17+|-12--5|--6
show how you got the answer
Answer:
I'm assuming the double minus marks meant 5 and 6 were negative. Answer is 30.
Step-by-step explanation:
\(17+\abs(-12--5)-(-6)\\17+\abs(-12+5)-(-6)\\17+\abs(-7)-(-6)\\17+7-(-6)\\17+7--6\\24--6\\24+6\\30\)
Answer:The answer would be 28
Step-by-step explanation:17-6 is 11
The absolute value of -12-5 is 17
17+11=28
So therefore the answer would be 28.
PLEASE HELP ME!!!!
3x-7x+1
-2y+14-9y+5
-7w-5-7w+9
-2(3m+9)
-6(z-1)
-(5x+1)
-(x+4)
Answer:
If these are all separate problems then:
= -4x + 1
= -11y+19
= -14w + 4
= -6m - 18
= -6z + 6
= -5x -1
= -x-4
If this is all one problem then:
= -6m-14w-10x-11y-6z + 7
Step-by-step explanation:
HELP ASAP I DONT HAVE TIME AND IT ALSO DETECTS IF ITS RIGHT OR WRONG
Answer:
0.915 meters
Step-by-step explanation:
0.305 x 3 = 0.915
Answer:
0.915
Step-by-step explanation:
a polynomial contains number of terms
A radio transmission tower is 160 feet tall. How long should a guy wire be if it is to be attached 13 feet from the top and is to make an angle of 29\deg with the ground? Give your answer to the nearest tenth of a foot.
x = 147 / 0.5446 ≈ 270.2 ft
To find the length of the guy wire for a radio transmission tower, trigonometry concepts are applied. Given a tower height of 160 feet, with the wire attached 13 feet from the top and making an angle of 29° with the ground, we can solve for the length of the guy wire, represented by x.
Using the Pythagorean theorem and considering the right triangle formed by the tower height, the wire attachment point, and the ground, we can set up the equation:
x = √((160 - 13)² + x²)
Next, we apply the tangent function to the given angle:
tan(29°) = (160 - 13) / x
Simplifying, we have:
0.5446 = 147 / x
To solve for x, we rearrange the equation:
x = 147 / 0.5446 ≈ 270.2 ft
Rounding to the nearest tenth of a foot, the length of the guy wire required is approximately 270.2 feet. This wire is attached 13 feet from the top of the tower and makes a 29° angle with the ground.
Trigonometry plays a crucial role in solving real-world problems involving angles and distances. It provides a mathematical framework for calculating unknown values based on known information, enabling accurate measurements and constructions.
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Five aluminum cans can be recycled to make a new can. How many new cans can eventually be made from 125 aluminum cans
Answer:
25 new cans
Step-by-step explanation:
Given that:
Number of aluminum cans needed to make a new can = 5
total number of aluminum cans = 125
Number of new cans that can be made :
Total number of aluminum cans / aluminum cans needed to make a new can
= 125 / 5
= 25 new cans
What’s the answer to them and can u show work as well
3. 5
Constant terms are terms with no variables attached to them, and will not change under any circumstances. A variable is typically denoted by a Latin Alphabet.
4. 4
The coefficient is the whole number found in front of the variable, typically being multiplied to it. In this case, you are solving for the coefficient that is found in front of g², which is 4.
5. -3c
The coefficient -3 is found at the 3rd term of the expression.
6. -12x & -17x ; 15y & 16y
Like terms are terms with the same variable as well as the same amount of variables. For example x² is not a like term of x, though both variables have x to signify them.
7. 3c
Unlike terms are terms that do not share at least one partner of the same amount of variables. c is a variable by itself with no other terms containing it, and so is your answer.
~
Y=1/3x+2 Is this a linear equation or nonlinear
Answer:
C
Step-by-step explanation:
i took the test