We ordered 7 pizzas for the 5th grade. Mrs. J. Craig's Class ate 2 1/2 pizzas, Mrs. Thompson's class ate 1 1/3 pizzas, and Ms. N. Craig's class ate 2 2/3 pizzas. How much pizza will be left for the other 3 classes?

Answers

Answer 1

The amount of pizza left for the other three classes is 1/2.

What is the equivalent expression?

Equivalent expressions are expressions that perform the same function despite their appearance. If two algebraic expressions are equivalent, they have the same value when we use the same variable value.

The total number of pizzas ordered is 7.

The total number of pizzas eaten by the three classes is:

2 1/2 + 1 1/3 + 2 2/3

= (5/2) + (4/3) + (8/3)

= 15/6 + 8/6 + 16/6

= 39/6

= 6 3/6

= 6 1/2

Therefore, the amount of pizza left for the other three classes is:

7 - 6 1/2 = 1/2

So, there is half of a pizza left for the other three classes.

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Related Questions

If the conditional proposition p is a contingency, is -p also a contingency? Explain Choose the correct answer below. O A. Yes, because all of the entries in the truth table for-p will be T. B. No, because all of the entries in the truth table for will be F O C. No, because at least one entry in the truth table for p will be T and at least one entry will be F. O D. Yes, because at least one entry in the truth table for -p will be T and at least one entry will be F.

Answers

C. If the conditional proposition p is a contingency, it means that there are some truth values of p that make the proposition true and others that make it false. To determine whether -p is also a contingency, we need to consider the truth values of -p for all possible truth values of p.

if we negate a contingency, there will still be some truth values that make the negation true and others that make it false. Therefore, at least one entry in the truth table for p will be T and at least one entry will be F. This means that -p is also a contingency.

if the conditional proposition p is a contingency, then -p is also a contingency because there will be some truth values of p that make the negation true and others that make it false. The correct answer to the question is C.

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Which expression is equivalent to 135−−−√5–√?

Answers

The expression that is equivalent to 135−−−√5–√ is: 131.764.

What is the equivalent expression?

An equivalent expression is one that has the same value as another. To evaluate the given expression, the three minus signs all equate to -. So, the question is asking that we subtract the root of 5 from 135.

Also, the root of minus 1 will be subtracted from the answer that we arrive at.

135−−−√5 = 132.764

132.764 - √1 = 131.764

So, the decimal equivalent of this expression is 131.764.

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if you had to summarize the most important aspect of survey design in one phrase, what would it be? a. complexity is good b. make sure to always include a sample item c. keep it simple d. the more words, the better

Answers

The most appropriate phrase that summarizes the most important aspect of survey design is option c. keep it simple.

Survey design requires careful consideration of various factors.

Such as the target population, the research objectives, the types of questions, and the mode of data collection.

However, the fundamental principle of survey design is to keep the survey simple and straightforward.

The survey should be easy to understand, answer, and navigate, ensuring that participants can complete it with ease and accuracy.

When designing a survey, it is essential to prioritize simplicity over complexity.

A survey that is too complicated or difficult to complete can discourage participation, lead to inaccurate responses, and result in biased data.

Therefore, survey designers should aim to create clear, concise, and unambiguous questions that are easy to comprehend and answer.

Survey design should prioritize simplicity, ensuring that the questions are easy to understand, answer, and navigate.

And the survey is straightforward and concise.

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The midday temperature in Palm
Beach was 86 °F. The
temperature then
changed 2 °F per hour for the next
3 hours. The expression 86 -|-2-3|
represents the current temperature.
What is the current temperature in
degrees Fahrenheit?

Answers

After considering all the given data we conclude that the current measured temperature in degree Fahrenheit is 91°F, under the condition that the midday temperature in Palm Beach was 86 °F and the given expression is 86 -|-2-3| which represents current temperature.

To evaluate the temperature let us first consider the expression 86 -|-2-3| which represents the current temperature after 3 hours of temperature change of 2°F per hour from an initial temperature of 86°F.

The given expression can be again simplified as

86 -|-2-3| = 86 -|-5|

= 86 - (-5)

= 91°F

Hence, after evaluating we finally measured the current temperature as 91°F.

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 Probability Distributions for Discrete Random Variables

A life insurance policy pays 1000 upon the death of a policyholder provided that the policyholder su at least one year but less than five years after purchasing the policy. Let X denote the number of yea policyholder survives after purchasing the policy with the following probabilities:

X 1 2 3 4 5
P(x). 0.05 0.12 0.21 0.33 0.48

Calculate the mean, the variance and the standard deviation of the payment made under this polic

Answers

1. mean = average

2. variance means :

if everyone got a high or low score on a test then the variance is low or 0

variance means are there a lot of different test scores ?

if there are then the variance is high

variance = 1. each different number minus the average squared 2. add them all up 3. divide the total by the total number of numbers

3. square root of variance = standard deviation

standard deviation is like the distance between a person's house and their friend's house to see how far they typically have to travel.

answers :

mean= 4.64 , variance= -2.4596 ,  standard deviation = 1.57

steps

rewrite values

X, P(X)

1 , 0.05

2 , 0.12

3 , 0.21

4 , 0.33

5 , 0.48

Certainly! Here are the calculations for the mean, variance, and standard deviation of the payment made under this policy:

Mean (Expected value):

E(X) = (1 * 0.05) + (2 * 0.12) + (3 * 0.21) + (4 * 0.33) + (5 * 0.48)

E(X) = 0.05 + 0.24 + 0.63 + 1.32 + 2.40

E(X) = 4.64

Variance:

E(X^2) = (1^2 * 0.05) + (2^2 * 0.12) + (3^2 * 0.21) + (4^2 * 0.33) + (5^2 * 0.48)

E(X^2) = 0.05 + 0.48 + 1.26 + 5.28 + 12

E(X^2) = 19.07

Var(X) = E(X^2) - [E(X)]^2

Var(X) = 19.07 - (4.64)^2

Var(X) = 19.07 - 21.5296

Var(X) = -2.4596

Standard Deviation:

σ = sqrt(|Var(X)|)

σ ≈ sqrt(2.4596)

σ ≈ 1.57

Therefore, the mean of the payment made under this policy is 4.64, the variance is -2.4596, and the standard deviation is approximately 1.57.

To calculate the mean, variance, and standard deviation of the payment made under this life insurance policy, we need to use the provided probabilities and the formulae for these statistical measures. Here's how you can calculate them:

Step 1: Calculate the expected value (mean):

The mean, denoted by E(X), can be calculated by multiplying each value of X by its corresponding probability and summing them up. In this case, the formula is:

E(X) = (1 * P(X=1)) + (2 * P(X=2)) + (3 * P(X=3)) + (4 * P(X=4)) + (5 * P(X=5))

Plugging in the given values:

E(X) = (1 * 0.05) + (2 * 0.12) + (3 * 0.21) + (4 * 0.33) + (5 * 0.48)

E(X) = 0.05 + 0.24 + 0.63 + 1.32 + 2.40

E(X) = 4.64

So, the expected value or mean of the payment made under this policy is 4.64.

Step 2: Calculate the variance:

The variance, denoted by Var(X), can be calculated using the formula:

Var(X) = E(X^2) - [E(X)]^2

First, let's calculate E(X^2):

E(X^2) = (1^2 * P(X=1)) + (2^2 * P(X=2)) + (3^2 * P(X=3)) + (4^2 * P(X=4)) + (5^2 * P(X=5))

Plugging in the given values:

E(X^2) = (1^2 * 0.05) + (2^2 * 0.12) + (3^2 * 0.21) + (4^2 * 0.33) + (5^2 * 0.48)

E(X^2) = 0.05 + 0.48 + 1.26 + 5.28 + 12

E(X^2) = 19.07

Now, calculate the variance:

Var(X) = E(X^2) - [E(X)]^2

Var(X) = 19.07 - (4.64)^2

Var(X) = 19.07 - 21.5296

Var(X) = -2.4596

So, the variance of the payment made under this policy is -2.4596.

Step 3: Calculate the standard deviation:

The standard deviation, denoted by σ (sigma), is the square root of the variance. In this case, since the variance is negative, we take the absolute value before calculating the square root:

σ = sqrt(|Var(X)|)

Plugging in the calculated variance:

σ = sqrt(|-2.4596|)

σ ≈ sqrt(2.4596)

σ ≈ 1.57

So, the standard deviation of the payment made under this policy is approximately 1.57.

Chatgpt

what will be the equilibrium wage rate? group of answer choices $6 $5 $4 $3

Answers

The equilibrium wage rate is $6 per hour. This is found by observing the point where the labor demanded and labor supplied curves intersect, which is at a wage rate of $6 and a quantity of labor of 35.

In a competitive labor market, the equilibrium wage is the wage rate at which the quantity of labor demanded equals the quantity of labor supplied. In other words, it is the wage rate that clears the labor market.

To find the equilibrium wage in this problem, we need to compare the labor demanded and the labor supplied at each wage rate. We can see from the table that at a wage rate of $3 per hour, the labor demanded is 50 and the labor supplied is only 20.

This means that the quantity of labor demanded exceeds the quantity of labor supplied, and there will be upward pressure on the wage rate. As the wage rate increases, the quantity of labor demanded decreases and the quantity of labor supplied increases.

From the table, we can see that at a wage rate of $6 per hour, the quantity of labor demanded (35) equals the quantity of labor supplied (50), which is the equilibrium condition. Therefore, the equilibrium wage is $6 per hour.

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--The given question is incomplete, the complete question is given below " Assume that the following data describe labor-market conditions:

Wage rate (per hour) $3 $4 $5 $6 $7 $8 $9 $10

Labor demanded 50 45 40 35 30 25 20 15

Labor supplied 20 30 40 50 60 70 80 90

Find the equilibrium wage.

Instructions: Enter your response as a whole number."--

B016. Calcula el área del trapecio de la siguiente figura:
a) 28 m²
b) 25 m²
c) 14 m²
d) 10 m²
e) Nosé
4m
5m
6m (ayuda, es mi examen de admisión)

Answers

Answer:

B. 25 m²

Step-by-step explanation:

área del trapecio= A= a+b/2 ×h

a=4, b= 6 and h=5

A=4+6/2×5

A= 10/2×5

A= 5×5

A=25 m²

The graph of a quadratic function is shown. What is the equation of this function in f(x) = ax²+bx+c form?
Y
(-2, 2)
-2
Complete the equation of the function: f(x) =

Answers

taking a peek at the quadratic graph, we can see it has a vertex at (-2 , 2) and it has a couple of points, hmmm we only need one, say we'll use (-3 , -1)

[tex]~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)}\\\\ \stackrel{a~is~negative}{op ens~\cap}\qquad \stackrel{a~is~positive}{op ens~\cup} \end{cases} \\\\[-0.35em] ~\dotfill\\\\ \begin{cases} h=-2\\ k=2\\ \end{cases}\implies y=a(~~x-(-2)~~)^2 + 2\hspace{4em}\textit{we also know that} \begin{cases} x=-3\\ y=-1 \end{cases}[/tex]

[tex]-1=a(-3-(-2))^2+2\implies -1=a(-1)^2 + 2\implies -3=a \\\\[-0.35em] ~\dotfill\\\\ y=-3(~~x-(-2)~~)^2 + 2\implies y=-3(x+2)^2 +2 \\\\\\ y=-3(x^2+4x+4)+2\implies y=-3x^2-12x-12+2 \\\\\\ ~\hfill {\Large \begin{array}{llll} y=-3x^2-12x-10 \end{array}}~\hfill[/tex]

Check the picture below.

At a music festival, there are six bands scheduled to play, numbered 1 through 6. a. How many different ways can these bands be arranged to perform? b. If band 3 is performing first and band 5 last, then how many ways can their appearances be scheduled? a. There are ______ different ways to arrange the bands. (Simplify your answer.) b. If band 3 is performing first and band 5 last, there are _______ different ways to arrange the bands. (Simplify your answer.)

Answers

Answer:

a. There are 720 different ways to arrange the bands. This can be calculated as 6! (6 factorial), which equals 6 x 5 x 4 x 3 x 2 x 1 = 720.

b. We can simplify the problem by treating bands 3 and 5 as a single entity that must be placed at the beginning and end of the lineup, respectively. That leaves four remaining bands, which can be arranged in 4! = 24 different ways. Therefore, there are 24 different ways to arrange the bands if band 3 is performing first and band 5 last.

Final answer:

The number of ways to arrange 6 bands is 720 (calculated as 6!). If the first and last bands are predetermined, the number of ways to arrange the remaining 4 bands is 24 (calculated as 4!).

Explanation:

This question pertains to the concept of permutations, a topic in Mathematics. In part a, with 6 bands to arrange in different ways, we are wanting to find the number of permutations of 6 items, which is calculated as 6 factorial (notated as 6!), which equals 720. Therefore, there are 720 different ways to arrange the 6 bands.

For part b, if band 3 must play first and band 5 must play last, we only need to find the distinct orderings of the remaining 4 bands, which is 4 factorial (notated as 4!). This equals 24. Consequently, while imposing these restrictions, there are 24 different ways to arrange the bands.


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find the length of the curve of x(t)=2t3,y(t)=4t2 2, for t∈[0,1].

Answers

The length of the curve for t∈[0,1] is 4/9. To find the length of the curve defined by x(t)=[tex]2t^3[/tex] and y(t)=[tex]4t^2[/tex]+2, we need to use the arc length formula:


L = ∫√[tex](dx/dt)^2 + (dy/dt)^2[/tex] dt from t=0 to t=1.
First, let's find dx/dt and dy/dt:
dx/dt = [tex]6t^2[/tex]
dy/dt = 8t
Now we can plug these into the arc length formula:
L = ∫√[tex](6t^2)^2[/tex]+ [tex](8t)^2[/tex] dt from t=0 to t=1
L = ∫√([tex]36t^4 + 64t^2[/tex]) dt from t=0 to t=1
L = ∫√([tex]4t^2(9t^2 + 16)[/tex]) dt from t=0 to t=1
L = 2∫√([tex]9t^2[/tex] + 16) dt from t=0 to t=1
To integrate this expression, we can use a trig substitution. Let u = (3/4)[tex]t^2[/tex] and du = (3/2)t dt. Then:
L = 2∫√(9(4/3)u + 16) (2/3) du from u=0 to u=3/4
L = (4/3)∫√(12u + 48) du from u=0 to u=3/4
L = (4/3)∫√(12(u + 4)) du from u=0 to u=3/4
L = (4/3)∫2√(u + 4) du from u=0 to u=3/4
L = (8/3)[(2/3)[tex](u + 4)^{(3/2)}[/tex]] from u=0 to u=3/4
L = (8/3)[(2/3)[tex](3/4 + 4)^{(3/2)}[/tex] - [tex](2/3)(4)^{(3/2)}[/tex]]
L = (8/3)[(2/3)[tex](25/4)^{(3/2)}[/tex] - (2/3)(8)]
L = (8/3)[(25√25)/6 - 16/3]
L = (8/3)(25/6 - 16/3)
L = (8/3)(1/6)
L = 4/9

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The cost y
(in dollars) to rent a kayak is proportional to the number x
of hours that the kayak is rented. It costs $60 to rent the kayak for 4 hours. Write an equation that represents the cost to rent a kayak for x
hours.

Answers

y&x
y=kx
60=4k
K=60/4
K=15
For x hours,
y=15x

the probabilities that a batch of computers will contain x defective computers are are given below. find the standard deviation for the probability distribution. round answer to the nearest hundredth. xp(x) ------------------------------- 0|0.533333 1|0.233333 2|0.233333 3|0.000000 what is the standard deviation for this probability distribution?

Answers

The standard deviation for this probability distribution is 0.79. The standard deviation is a measure of the variability or spread of a probability distribution. It tells us how far the data is from the mean or expected value.

To calculate the standard deviation, need to calculate the expected value or mean of the distribution, which is given by:

E(x) = Σ(x * p(x))

where x is the possible number of defective computers and p(x) is the probability of x defective computers.

E(x) = (00.533333) + (10.233333) + (20.233333) + (30) = 0.7

Next, calculate the variance using the formula:

Var(x) = Σ[(x-E(x))^2 * p(x)]

Var(x) = (0-0.7)^2 * 0.533333 + (1-0.7)^2 * 0.233333 + (2-0.7)^2 * 0.233333 + (3-0.7)^2 * 0 = 0.49

Finally, the standard deviation is the square root of the variance:

SD = sqrt(Var(x)) = sqrt(0.49) = 0.7

Therefore, the standard deviation for this probability distribution is 0.79 when rounded to the nearest hundredth.

In summary, the standard deviation is a measure of the variability or spread of a probability distribution. It tells us how far the data is from the mean or expected value. To calculate the standard deviation, we need to first find the expected value, then the variance, and finally take the square root of the variance. In this problem, we used the given probabilities to calculate the expected value and variance and then found the standard deviation as 0.79.

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Choosing 8 numbers that match 8 randomly selected balls when the balls are numbered 1 through 33. The probability of the given event is?

Answers

Hence, the probability of choosing 8 numbers that match 8 randomly selected balls when the balls are numbered 1 through 33 is given by (1/33)^8 x C(33,8) which is approximately equal to 0.000000206.

The probability of choosing 8 numbers that match 8 randomly selected balls when the balls are numbered 1 through 33 can be calculated using the formula for combination. There are a total of 33 balls and we need to choose 8 out of them. The total number of possible combinations of 8 balls out of 33 is given by C(33,8) which is equal to 69,090,840. Now, if we assume that all the balls are equally likely to be selected, then the probability of selecting a particular ball is 1/33. Therefore, the probability of choosing 8 specific balls out of 33 is (1/33)^8. Hence, the probability of choosing 8 numbers that match 8 randomly selected balls when the balls are numbered 1 through 33 is given by (1/33)^8 x C(33,8) which is approximately equal to 0.000000206. In other words, the probability of this event occurring is very low, which means it is very unlikely to happen.

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ow many different phone numbers are possible in the area code 503, if the first number cannot start with a 0 or 1? do not use commas in your answer. answer:

Answers

Your answer: 8000000 different phone numbers are possible in the area code 503, with the first number not starting with a 0 or 1.

In an area code like 503, phone numbers have the format 503-XXX-XXXX. Since the first number cannot start with a 0 or 1, we have 8 choices (2-9) for the first digit. The remaining six digits can be any number from 0-9, giving us 10 choices for each.

To calculate the total possible combinations, multiply the choices together: 8 (for the first digit) * 10 (for the second digit) * 10 (for the third digit) * 10 (for the fourth digit) * 10 (for the fifth digit) * 10 (for the sixth digit) * 10 (for the seventh digit).

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what is the answer to this question please

Answers

The length of /BD/ in the similar shapes shown is 3.6.

What is similar shapes?

Similar shapes are enlargements of each other using a scale factor.

Note: All the corresponding angles in the similar shapes are equal and the corresponding lengths are in the same ratio.

To calculate the length of BD, we use the formula below.

Note: ΔDAC is similar to ΔBAD

Formula:

LineAC/LineAB = LineCD/LineBD................. Equation 1

From the question,

Given:

/AC/ = 5.1/AB/ = 5.7/CD/ = 3.2

Substitute these values into equation 1 and solve for /BD/

5.1/5.7 = 3.2/LineBDLineBD = (3.2×5.7)/5.1LineBD = 3.6

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The equation can be used to determine T, the temperature in degrees, inside an oven s seconds after the oven is turned on. Which statement relative to this equation is true?

Answers

The statement "The initial temperature inside the oven was 78 degrees" is true of the equation (option 3)

Why is the statement true?

The equation T = 0.63s + 78 shows that the initial temperature inside the oven is 78 degrees. The temperature inside the oven increases by 0.63 degrees every second. So, after one minute (60 seconds), the temperature inside the oven would be 141 degrees. However, this is not stated in the equation.

Therefore the third statement if true of the equation (The initial temperature inside the oven was 78 degrees" is true of the equation)

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Complete question:

The equation T = 0.63s + 78 can be used to determine the temperature in degrees, inside an oven s seconds after the oven is turned on. Which statement relative to this equation is true?

1. The temperature inside the oven increased by 78 degrees every 63 seconds.

2. The temperature inside the oven in one minute was 141 degrees

3. The initial temperature inside the oven was 78 degrees.

(x+3)^n+1=(x+3)^n+11

Answers

Answer:

No solution to any of the variables or equation

Step-by-step explanation:

Help on this question.

Answers

Answer: [tex](x+4)^2 + (y+2)^2 = 9[/tex]

Step-by-step explanation:

The general form for the equation of a circle is:

[tex](x-h)^2 + (y-k)^2 = r^2[/tex], where (h,k) is the center, and r is the radius:

We see the center to be at the point (-4,-2). and the radius can also be seen to be 3 units:

with this in mind:

[tex](x-(-4))^2 +(y-(-2))^2 = 3^2[/tex]

[tex](x+4)^2 + (y+2)^2 = 9[/tex]

you can select from the dropdowns accordingly.

Simplify: 3x³ + 9x² + 30x -3x³-18x² - 24x ; x = -4, -2, 0
help me show my work asap​

Answers

The expression can be simplified as:

-9x² +  6x

How to simply an algebraic expression?

An algebraic expression is an expression that is made up of variables and constants, along with algebraic operations like addition, subtraction, square root, etc.

The expression can be simplified by adding or subtracting like terms. That is:

3x³ + 9x² + 30x -3x³-18x² - 24x =  3x³-3x³ + 9x²-18x² + 30x -24x

                                                   = -9x² +  6x

Substituting x = -4, -2, 0 into -9x² +  6x:

x = -4:

-9x² +  6x = -9(-4)² +  6(4)

                = -144 + 24

                = -120

x = -2:

-9x² +  6x = -9(-2)² +  6(2)

                = -36 + 12

                = -24

x = 0:

-9x² +  6x = -9(0)² +  6(0)

                = 0

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2 times 1 holes and 5 over 7

Answers

The simplified form of the expression one hole 2 upon 5 x 3 whole 2 upon 4 divided by one whole 7 upon 10​ is 14/17.

Convert all the mixed numbers to improper fractions:

2 upon 5 = 2/5

3 whole 2 upon 4 = (3 * 4 + 2) / 4 = 14/4 = 7/2

1 whole 7 upon 10 = (1 * 10 + 7) / 10 = 17/10

Rewrite the expression with the fractions:

(2/5 × 7/2) / (17/10)

Invert the divisor and multiply:

(2/5 × 7/2) × (10/17)

Simplify the fractions and multiply:

(2 × 7) / (5× 2)×  (10/17) = 14/10× 10/17 = 140/170

Reduce the fraction to its simplest form:

140/170 = 14/17

Therefore, the simplified form of the expression is 14/17.

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One hole 2 upon 5 x 3 whole 2 upon 4 divided by one whole 7 upon 10​, simplify the expression?

Suppose a price discriminating monopoly has segregated its market into two submarkets and can prevent resale between the two. Assume that its marginal cost is constant and equal to its average total cost of $8. The firm's demand schedule for the first group is given by the first two columns of the following table. a. Find the firm's total revenue schedule for this submarket, entering the data into the table where indicated. Use these data to determine the marginal revenue schedule in this submarket. b. What output level and price will maximize the firm's profit in this submarket? c. The firm's demand schedule for the second group is given by the first two columns of the following table. d. Find the firm's total and marginal revenue schedules in this second submarket. What output level and price will maximize the firm's profit in this submarket? e. What is this firm's total economic profit?

Answers

The price that maximizes profit in this submarket is $10. (e) The firm's total economic profit can be found by subtracting total cost.

The total revenue schedule for the first submarket can be obtained by multiplying the price and quantity demanded in each row. The results are entered in the third column of the table below:

Quantity Price Total Revenue

0 20 0

1 19 19

2 18 36

3 17 51

4 16 64

5 15 75

The marginal revenue schedule can be obtained by calculating the change in total revenue when one more unit is sold. The results are entered in the fourth column of the table below:

Quantity Price Total Revenue Marginal Revenue

0 20 0 -

1 19 19 19

2 18 36 17

3 17 51 15

4 16 64 13

5 15 75 11

b. To maximize profit, the firm should produce where marginal cost equals marginal revenue.

Since marginal cost is constant and equal to $8, the profit-maximizing output level is where marginal revenue equals $8, which is at a quantity of 3. Therefore, the price that maximizes profit in this submarket is $17.

c. The demand schedule for the second submarket is given by the first two columns of the table below:

Quantity Price

0 12

1 11

2 10

3 9

4 8

5 7

d. The total revenue schedule and marginal revenue schedule for the second submarket can be obtained in the same way as in part a. The results are entered in the third and fourth columns of the table below:

Quantity Price Total Revenue Marginal Revenue

0 12 0 -

1 11 11 11

2 10 20 9

3 9 27 7

4 8 32 5

5 7 35 3

To maximize profit, the firm should produce where marginal cost equals marginal revenue.

Since marginal cost is constant and equal to $8, the profit-maximizing output level is where marginal revenue equals $8, which is at a quantity of 2. Therefore, the price that maximizes profit in this submarket is $10. e. The firm's total economic profit can be found by subtracting total cost

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What is the slope?
Simplify the answer and write it as a proper fraction, improper fraction, or integer.

Answers

The y-intercept and the slope of the linear equation will be 2 and 50, respectively.

The linear equation is given as,

y = mx + c

Where m is the slope of the line and c is the y-intercept of the line.

The slope of the line is given as,

m = (y₂ - y₁) / (x₂ - x₁)

From the graph, the y-intercept is 50. Then the slope is calculated as,

m = (70 - 50) / (10 - 0)

m = 20 / 10

m = 2

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Assume the population has a distribution with a mean of 100 and a standard deviation of 10. For a random sample of size 50, find the following:a. P(99 < X < 102)b. P(X > 97)c. 70th percentile of X

Answers

The 70th percentile of X is approximately 100.73.
P(X > 97)=0.9838
P(99 < X < 102)=0.7841


a. Using the Central Limit Theorem, we can assume that the sample mean follows a normal distribution with mean 100 and standard deviation 10/sqrt(50) = 1.41. Therefore,

P(99 < X < 102) = P((99 - 100)/(1.41) < (X - 100)/(1.41) < (102 - 100)/(1.41))

= P(-0.71 < Z < 1.41)

= 0.7841 (using standard normal table or calculator)

b. Using the same reasoning as in part (a),

P(X > 97) = P((X - 100)/(1.41) > (97 - 100)/(1.41))

= P(Z > -2.12)

= 0.9838 (using standard normal table or calculator)

c. To find the 70th percentile of X, we need to find the value x such that P(X < x) = 0.70. Using the same normal distribution with mean 100 and standard deviation 10/sqrt(50) = 1.41, we can find the z-score that corresponds to the 70th percentile:

P(Z < z) = 0.70 => z = 0.52

Then, using the formula (x - 100)/(1.41) = z, we can solve for x:

x = 100 + 0.52(1.41) = 100.73

Therefore, the 70th percentile of X is approximately 100.73.

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Please solve! Solve for Y.

Answers

when running a line, in a right-triangle, from the 90° angle perpendicular to its opposite side, we will end up with three similar triangles, one Small, one Medium and a containing Large one.  Check the picture below.

[tex]\cfrac{24}{y}=\cfrac{y}{30}\implies 720=y^2\implies \sqrt{720}=y\implies 12\sqrt{5}=y\implies 26.83\approx y[/tex]

Marked price 545 selling price 541 what is the discount offered

Answers

Answer: 1% off

Step-by-step explanation:

541 is about 99% of 454, leaving 1% discount

Given f(x) = 3x2 + x - 8, find f(-5)

Answers

Answer:

62

Step-by-step explanation:

To find f(-5), we need to substitute x = -5 into the expression for f(x) and evaluate:

f(-5) = 3(-5)^2 + (-5) - 8

Simplifying this expression:

f(-5) = 3(25) - 5 - 8

f(-5) = 75 - 13

f(-5) = 62

Therefore, f(-5) = 62.

(q20) Is the function f(x) = (x - 9)(x + 9)x even, odd, or neither?

Answers

The function f(x) = (x - 9)(x + 9)x is an odd function.

Is the given function even, odd, or neither?

Given the function in the question:

f(x) = (x - 9)(x + 9)x

To determine whether the function f(x) = (x - 9)(x + 9)x is even, odd, or neither, we need to check if it satisfies the conditions for even or odd functions.

An even function is symmetric with respect to the y-axis, meaning f(x) = f(-x) for all x in the domain.

An odd function is symmetric with respect to the origin, meaning f(-x) = -f(x) for all x in the domain.

Let's analyze the given function:

f(x) = (x - 9)(x + 9)x

f(x) = x³ - 81x

To check if it's even, we substitute -x for x:

f(x) = x³ - 81x

f(-x) = -x³ + 81x

Since -x³ + 81x is not equal to x³ - 81x, the function is not even.

To check if it's odd, find -f(x):

f(x) = x³ - 81x

-f(x) = -( x³ - 81x )

-f(x) = -x³ + 81x

Since  -x³ + 81x equals -x³ + 81x, the function is odd.

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if a review of a product on forest.com has ten words in total, including two negative words and three positive words, what would the sentiment score when conducting a sentiment analysis?

Answers

The sentiment score for the review on forest.com would depend on the specific algorithm and weighting system used for the sentiment analysis.

However, a basic calculation could be done by assigning a numerical value to each positive and negative word (e.g. +1 for positive, -1 for negative) and adding them up. In this case, the sentiment score would be +1 (3 positive words) -2 (2 negative words) = -1. However, it's important to note that sentiment analysis is not always straightforward and can be influenced by factors such as context, sarcasm, and language nuances.

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the coordinate of point t are (0,6). the midpoing of st is (3,-6). find the corrdinates of points

Answers

the coordinates of point S are (6, -18).To find the coordinates of points S and T, we need to use the midpoint formula.

Given that the midpoint of ST is (3, -6) and the coordinate of point T is (0, 6), we can calculate the coordinates of point S.

The midpoint formula states that the coordinates of the midpoint (M) of two points (P and Q) can be found using the following formula:

M = ((Px + Qx) / 2, (Py + Qy) / 2)

Let's substitute the given values into the formula:

(3, -6) = ((0 + Sx) / 2, (6 + Sy) / 2)

Simplifying the equation, we have:

3 = (0 + Sx) / 2    and    -6 = (6 + Sy) / 2

Multiplying both sides by 2, we get:

6 = 0 + Sx    and    -12 = 6 + Sy

Solving for Sx and Sy, we find:

Sx = 6    and    Sy = -18

Therefore, thethe coordinates of point S are (6, -18).

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Cual es la importancia de la ley del seno y del coseno

Answers

The Law of Sines and the Law of Cosines are essential mathematical tools in trigonometry that play a significant role in solving triangles and analyzing their properties.

How are the laws of sines and cosines important ?

The Law of Sines and the Law of Cosines enable us to solve triangles when we have limited information about their angles and sides. They provide formulas that relate the lengths of the sides of a triangle to the measures of its angles, or vice versa.

The Law of Sines is particularly important when dealing with the ambiguous case of solving triangles. This occurs when we have information about an angle, its opposite side, and one other side.

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