The word "negative" describes the slope of the line that represents the data in the table.
What does it mean when a line has a negative slope?Please note that the following are the options.
a. Zero
b. Undefined
c. Negative
d. Positive
The question is now answered as follows:
When the two variables used to describe the line have an inverse relationship, the slope of the line is negative.
This means that when one variable increases, the other lowers.
Therefore, the word "negative" describes the slope of the line that represents the data in the table.
This is due to the fact that as the number of cards sold rises from 10 to 50, the remaining amount required continues to fall from $875 to $555.
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Suppose $P$ is the point $(5,3)$ and $Q$ is the point $(-3,6)$. Find point $T$ such that $Q$ is the midpoint of segment $\overline{PT}$.
help qwikly
Answer:
(1,4.5)
(\(\frac{5+(-3)}{2} ,\frac{3+6}{2}\))
20 POINTS IF YOU GET THIS I NEED HELP
Answer:
sum=3.2559347
Step-by-step explanation:
product= 2x6x2 798.364
did it on edginuty and got it right
i13(12)-2give answer
Apples are sold in a supermarket at £1.20 per gram. What would be the cost of the apples being weighed on the scales below?
Please help.
Answer:
£ 4.20
Step-by-step explanation:
1 kg= £1.20
3.5 kg = £1.20*3.5
=£ 4.20
The cost of the apples being weighed on the scales would be £ 4.20
What is the unitary method?The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.
Multiplication is the mathematical operation that is used to determine the product of two or more numbers.
We are given that Apples are sold in a supermarket at £1.20 per gram.
Therefore, we know that
1 kg= £1.20
For 3.5 kg
= £1.20 x 3.5
=£ 4.20
The cost of the apples is £ 4.20
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which of the following corresponds to the predictor variable in simple linear regression?
In simple linear regression, the predictor variable is the independent variable, which is used to predict the value of the dependent variable. It is also referred to as the explanatory variable, as it is used to explain the variability in the response variable.
For example, in a study that examines the relationship between the hours studied and exam scores, the predictor variable is the number of hours studied, and the dependent variable is the exam score.
The predictor variable is plotted on the x-axis, while the dependent variable is plotted on the y-axis in a scatter plot. The relationship between the predictor and the dependent variable is represented by a straight line, which is determined by the regression equation.
The slope of the line represents the change in the dependent variable for each unit change in the predictor variable.
In summary, the predictor variable is the variable that is used to predict or explain the changes in the dependent variable in simple linear regression.
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Huixian's grandparents own a farm with m goats and
n chickens. She counted that the animals have a
total of 52 heads and 140 legs. How many goats and
how many chickens are there on the farm?
Hint: A goat has 4 legs and a chicken has 2 legs.
help to answer
Answer:
i hope youll be success in your lifee soon
Jason and his children went into a grocery store and will buy bananas and mangos.
Each banana costs $0.90 and each mango costs $2. Jason has a total of $25 to spend
on bananas and mangos. Write an inequality that would represent the possible values
for the number of bananas purchased, b, and the number of mangos purchased, m.
Answer: 0.90b + 2m ≤ 25
Step-by-step explanation: 0.90 = bananas + 2 = mangoes is less than or equal to 25
Factor the difference of two cubes
8v^3-27
i’ll give brainliest
Answer:
\(8v^{3} +27=(2v)^{3} +3^{3}=(2v+3)(4v^{2} -6v+9)\\\)
Step-by-step explanation:
from formula a³ – b³ = (a – b) (a² + ab + b² )
What is the value of x in the triangle?
Answer:
a. 10√2
Step-by-step explanation:
hey, just use Pythagoras theorem
h²=p²+b²=10²+10²=100+100=200
h²=200, h= √200 =√(100×2)=√100×√2=10√2
the tripled product of 12 and a number is 102. what is the number
Answer:
Another number is 28
Step-by-step explanation:
Given:
Number = 12
Another number = x
The tripled product = 120
Find:
Number
Computation:
3(x + 12) = 120
x + 12 = 40
x = 40 - 12
x = 28
Another number is 28
a tennis player computes her win ratio by dividing the number of matches she has won by the total number of matches she has played. at the start of a weekend, her win ratio is exactly $\dfrac{1}{2}$. during the weekend, she plays four matches, winning three and losing one. at the end of the weekend, her win ratio is greater than $\dfrac{503}{1000}$. what's the largest number of matches she could've won before the weekend began?
The largest number of matches she could have won before are 164 matches.
What is a ratio?A ratio shows the relation between two amounts. For example, the ratio of apples to pears in a basket or the ratio of women to men in a town.
How to calculate the number of matches this player had?First represent the matches she had won, using n as a reference. This means:
\(\frac{n}{2n} = \frac{1}{2}\)
Then, based on this let's add the current ratio:
\(\frac{n+3}{2n+4} = \frac{503}{1000}\)
Based on this, let's solve this inequality to find out the number of matches the player won before. Follow these steps:
Cross multiply = 1000n + 3000 > 1006 n + 2012Solve this operation = 1000 - 1006 = 6 and 3000 - 2012 = 988Divide = 988 / 6 = 164.66 which can be rounded as 164Based on the previous process, the number of matches the player could have won before the weekend began was 164 matches.
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help me please please
Answer:
38 cm²
Step-by-step explanation:
Given that,
→ Length (l) = 4 cm
→ Breadth (b) = 3 cm
→ Height (h) = 1 cm
Formula we use,
→ 2(lb + bh + lh)
The surface area of cuboid will be,
→ 2(lb + bh + lh)
→ 2{(4 × 3) + (3 × 1) + (4 × 1)}
→ 2(12 + 3 + 4)
→ 2 × 19
→ [ 38 cm² ]
Hence, the surface area is 38 cm².
A car is traveling at a steady speed. It travels 1(1/2) miles in 2(1/4) minutes. How far will it travel in 26 minutes? In 1 hour?
Answer:
17\(\frac{1}{3}\)miles
40miles
Step-by-step explanation:
Given parameters;
Distance traveled by the car = 1\(\frac{1}{2}\)miles = \(\frac{3}{2}\)miles
Time taken = 2\(\frac{1}{4}\)minutes = \(\frac{9}{4}\)minutes
Unknown:
Distance covered in 26minutes and in 1hr = ?
Solution:
Speed is the rate of change of distance with time.
Speed = \(\frac{distance}{time taken}\)
A. Insert the parameters and find the speed;
Speed = \(\frac{\frac{3}{2} }{\frac{9}{4} }\) = \(\frac{3}{2}\) x \(\frac{4}{9}\) = \(\frac{2}{3}\)miles/minutes
Distance covered in 26minutes;
Distance = speed x time
Distance = \(\frac{2}{3}\) x 26 = \(\frac{52}{3}\) miles = 17\(\frac{1}{3}\)miles
B. Distance covered in 1hr or 60minutes;
Distance = \(\frac{2}{3}\) x 60 = 40miles
What is the difference between 30% interest charged for a payday loan and a 30% APR on a credit card?
The main difference is interest charged for a payday loan is typically over a short period, whereas credit card represents the annualized interest rate over a year.
The payday loan interest is a one-time charge, while the credit card APR accumulates over time if the balance is not paid in full.
For a payday loan, the 30% interest is typically charged over a short period, often within a few weeks.
This means that if you borrow $100, you would need to repay $130, including the $30 interest, within that short timeframe.
On the other hand, a 30% APR on a credit card represents the annualized interest rate charged on the outstanding balance. This interest is spread out over a year.
If you have an outstanding balance of $100 on a credit card with a 30% APR, the interest charged over a year would be $30.
In summary, the main difference is that the 30% interest charged for a payday loan is typically applied over a short period, whereas the 30% APR on a credit card represents the annualized interest rate over a year.
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What is 4 1/5 multiplied by 3/10
Answer:
1 13/50
Step-by-step explanation:
4 1/5 * 3/10
Change the mixed number to an improper fraction
4 1/5 = (5*4+1)/5 = 21/5
21/5 *3/10
63/50
Changing back to a mixed number
1 13/50
Answer:
1 13/50
Step-by-step explanation:
4⅕ × 3/10
21/5 × 3/10
63/50
1 13/50
The product of -3 and -7 is positive.
True False
Answer:
True ☑
Step-by-step explanation:
\( - 3 \times - 7 \\ = {}^{ + } 21\)
(Chapter 10) If the parametric curve x = f(t), y = g(t) satisfies g'(1) = 0, then it has a horizontal tangent when t = 1.
It is true that the slope of the horizontal tangent line to the parametric curve at a point (x(t), y(t)) is given by dy/dx = (dy/dt)/(dx/dt).
The statement is saying that if f(g(t)) has a horizontal tangent at t = 1, then the curve has a well-defined tangent line at that point, which is also a horizontal tangent. Let's break this down step by step:
f(g'(1)) = 0: This means that the derivative of f with respect to its input g(t) is equal to zero at t = 1. In other words, the slope of the tangent line of f(g(t)) at t = 1 is zero.
dx/dt is not zero at t = 1: This means that the curve g(t) has a well-defined tangent line at t = 1, because the slope of the tangent line of g(t) is not infinite (i.e., the derivative dx/dt is defined and finite).
Setting dy/dx = 0 gives dy/dt / dx/dt = 0: This is using the chain rule of differentiation to relate the derivative of f with respect to t (i.e., dy/dt) to the derivative of f with respect to x (i.e., dy/dx) and the derivative of g with respect to t (i.e., dx/dt).
dy/dt = 0 when dx/dt is not zero: Since dy/dx = 0 and dx/dt is not zero, we can conclude that dy/dt must also be zero at t = 1. This means that the slope of the tangent line of f(g(t)) is also zero at t = 1.
Therefore, the curve has a horizontal tangent at t = 1: Since both g(t) and f(g(t)) have horizontal tangents at t = 1, we can conclude that the curve f(x) also has a horizontal tangent at x = g(1). This means that the tangent line to the curve at that point is horizontal.
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expert that helps you learn core concepts.
See Answer
Let the following sample of 8 observations be drawn from a normal population with unknown mean and standard deviation: 23, 25, 16, 20, 13, 10, 28, 19. Use Table 2.
a. Calculate the sample mean and the sample standard deviation. (Round intermediate calculations to 4 decimal places. Round "Sample mean" to 3 decimal places and "Sample standard deviation" to 2 decimal places.)
Sample mean.
Sample standard deviation
b. Construct the 90% confidence interval for the population mean. (Round "t" value to 3 decimal places and final answers to 2 decimal places.)
Confidence interval to
c. Construct the 99% confidence interval for the population mean. (Round "t" value to 3 decimal places and final answers to 2 decimal places.)
Confidence interval to
The sample mean of the observations is 19.25 and the standard deviation is 2.15
Sample mean is found by adding up all the individual values of the sample, then dividing by the total number of values in the sample.
Sample standard deviation is the square root of the variance
mean = (23 + 25 + 16 + 20 + 13 + 10 + 28 + 19)/8
mean = 19.25
variance = (x₁ - mean)²/n(n-1)
variance = ((23 - 19.25)² + (25 - 19.25)² + (16 - 19.25)² + (20 - 19.25)² + (13 - 19.25)² + (10 - 19.25)² + (28 - 19.25)² + (19 - 19.25)²)/(8(7))
variance = 259.5/56
variance = 4.63
Standard deviation = √variance = √4.63 = 2.15
Therefore, the sample mean of the observations is 19.25 and the standard deviation is 2.15
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identify the coefficient of -24x7y3
Answer: -24
Step-by-step explanation:
See attached image.
What is the Volume and Surface Area of the following figure?
Answer:
71.4
Step-by-step explanation:
you wiil plus it by 30.4+27+14 that is how i got71.4
A 15-ft by 15-ft rectangular swimming pool is surrounded by a walkway of uniform width. If the total area of the walkway is 304 ft^2, how wide is the walkway?
Answer:
4 ft = width of walkway
Step-by-step explanation:
It helps if you can draw a figure.
Let x = width of walkway
Length of pool + walkway = (2x + 15)
Width of pool + walkway = (2x + 15)
area of pool and walkway together = (2x + 15)(2x + 15) = \(4x^{2} = 60x + 225\)
Area of the pool = 15(15) = 225
Now,
The area of the walkway = area of pool and walkway together - area of pool
304 = 4\(x^{2}\) + 60x + 225 - 225
304 = \(4x^{2}\) + 60x
4\(x^{2}\) + 60x - 304 = 0
4(\(x^{2}\) +15x - 76) = 0
4(x - 4)(x + 19) = 0
x = 4 x = -19
-19 must be discarded because a length cannot be negative
Therefore x = 4 ft = width of walkway
Complete the statements to verify that the triangles are similar.
QR/TU = __
PR/SU = __
PQ/ST = 52/13 = __
Therefore, △PQR ~ △STU by the _______ theorem.
The answer is that we cannot verify the similarity of triangles △PQR and △STU based on the given information. The missing ratios QR/TU and PR/SU cannot be determined without additional data or measurements. Only the ratio PQ/ST can be determined, which is equal to 4. Therefore, we do not have enough information to conclude that △PQR and △STU are similar triangles.
To verify that the triangles △PQR and △STU are similar, we can compare the ratios of their corresponding sides.
We have:
QR/TU = ?
PR/SU = ?
PQ/ST = 52/13 = ?
To find the missing values, we can use the property of similar triangles that states the corresponding sides of similar triangles are proportional.
Let's find the missing values one by one:
1. QR/TU:
We don't have enough information to determine the value of QR/TU. It is not possible to establish a ratio without additional data or measurements.
2. PR/SU:
Similarly, we cannot determine the value of PR/SU without more information or measurements.
3. PQ/ST:
Given PQ/ST = 52/13, we can simplify the ratio:
PQ/ST = (4*13)/(1*13) = 4/1 = 4.
Therefore, PQ/ST = 4.
Since we were unable to determine the values of QR/TU and PR/SU, we cannot conclude that △PQR and △STU are similar triangles based on the given information.
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Solve for m.
m+1/4<−1 3/8
m<−1 1/8
m<−1 1/3
m<−1 5/8
m>−1 1/2
Answer:
c. m<-15/8
Step-by-step explanation:
solve
m + 1/4 < -13/8 = m< -15/8
a student researcher is comparing the wait times between two different dining facilities at ucsb. they found the 95% confidence interval for the difference in mean wait time (in minutes) between facility a and b to be [.32,1.47]. what is the most accurate interpretation of this confidence interval?
It could be slightly lower or higher, but we can be confident that it falls somewhere between 0.32 minutes and 1.47 minutes.
The most accurate interpretation of the given confidence interval is as follows:
We are 95% confident that the true difference in mean wait time between Facility A and Facility B falls within the range of 0.32 minutes to 1.47 minutes.
This means that if we were to repeat the study multiple times and calculate a new confidence interval each time, we would expect that approximately 95% of those intervals would contain the true difference in mean wait time between the two facilities.
Furthermore, based on the observed data and the calculated confidence interval, we can conclude that the difference in mean wait time between Facility A and Facility B is likely to be positive, with Facility B having a higher mean wait time than Facility A. However, we cannot say with certainty that the true difference is exactly within this specific range; it could be slightly lower or higher, but we can be confident that it falls somewhere between 0.32 minutes and 1.47 minutes.
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Question 1 A consumer has preferences represented by the utility function u(x1, x2) = √ (x1x2). If she faces prices p1 = 1 and p2 = 5, and has income m = 10, what are her demands for goods 1 and 2? Question 2 A consumer has preferences represented by the utility function u(x1, x2) = 1 2 ln x1 + 1 2 ln x2. If she faces prices p1 = 1 and p2 = 5, and has income m = 10, what are her demands for goods 1 and 2? Are the demands the same as those you obtained in Question 1? Can you explain why? Question 3 Suppose the government imposes a quantity tax of t = 0.2 on the consumption of good 1. What is the tax revenue the government collects from the consumer in Question 2? Is her demand after the tax different than what you found in Question 2? 1 Intermediate Microeconomic Theory – Problem Set 4 (Recitation) Question 4 A consumer has a preference over good 1 and good 2 represented by the utility function u(x1, x2) = x1 + x2, given the prices of good 1 and 2 are p1 and p2 respectively, and the consumer has a income of m, derive the consumer’s demands for good 1 and 2 separately.
1) The demand for good 1 is 10/(5√2) and the demand for good 2 is 50√2/2.
2) The demand for good 1 is e5 and the demand for good 2 is e2.
3) The tax revenue the government collects from the consumer is 0.16e5.
4) The demand for good 1 is m/p₁ and the demand for good 2 is m/p₂.
Question 1: If the consumer has the utility function u(x₁, x₂) = √(x₁x₂) and has an income of m = 10, the demand for the two goods can be found using the following equation:
MRSxy = Px/Py
Where MRSxy is the Marginal Rate of Substitution between goods x and y, Px and Py are the prices of goods x and y respectively.
Therefore, for this problem we have MRST1,2 = 1/5 and P₁ = 1, P₂ = 5. Solving for the demands x₁ and x₂, we get:
x₁ = 10/(5√2), x₂ = 50√2/2
Therefore, the demand for good 1 is 10/(5√2) and the demand for good 2 is 50√2/2.
Question 2: If the consumer has the utility function u(x₁, x₂) = 1/2 ln x₁ + 1/2 ln x₂ and has an income of m = 10, the demand for the two goods can be found using the same equation as in Question 1. In this case the MRST1,2, P₁, and P₂ are the same as in Question 1. Thus, solving for the demands x₁ and x₂, we get:
x₁ = e5, x₂ = e2
Therefore, the demand for good 1 is e5 and the demand for good 2 is e2. This is different than the demands found in Question 1, because the utility functions are different. The Square Root utility function in Question 1 implies that the consumer has diminishing marginal utility, whereas the Log utility function in Question 2 implies that the consumer has constant marginal utility.
Question 3: To find the tax revenue the government collects, we need to find the consumer's demand for good 1 before and after the imposition of the quantity tax. First, we find the demand for good 1 before the imposition of the tax, using the same equation as in Question 2. Thus, in this case the demand for good 1 is e5. Therefore, the quantity consumed before the tax is e5.
Now, let’s find the consumer’s demand for good 1 after the imposition of the tax, which is equal to the consumer’s demand before the tax multiplied by (1 - t), with t = 0.2. Therefore, the demand for good 1 after the tax is 0.8e5.
Since the quantity tax of 0.2 is imposed on the consumer’s demand for good 1, the tax revenue is equal to 0.2 * 0.8e5 = 0.16e5.
Thus, the tax revenue the government collects from the consumer is 0.16e5.
Question 4: If the consumer has a preference over good 1 and good 2 represented by the utility function u(x₁, x₂) = x₁ + x₂, given the prices of good 1 and 2 are p₁ and p₂ respectively, and the consumer has a income of m, the demand for the two goods can be found using the following equation:
MRSxy = p₁/p₂
Therefore, for this problem we have MRS1,2 = p₁/p₂. Solving for the demands x₁ and x₂, we get:
x₁ = m/p₁, x₂ = m/p₂
Therefore, the demand for good 1 is m/p₁ and the demand for good 2 is m/p₂.
Therefore,
1) The demand for good 1 is 10/(5√2) and the demand for good 2 is 50√2/2.
2) The demand for good 1 is e5 and the demand for good 2 is e2.
3) The tax revenue the government collects from the consumer is 0.16e5.
4) The demand for good 1 is m/p₁ and the demand for good 2 is m/p₂.
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AX + 6939 + x4(G.CO.C.10)Solve for xFind the measure of angle A:
The sum of the angles of a triangle always equals 180°, then we can formulate the following expression:
(x + 69)° + (39 + x)° + 90° = 180°
By combining like terms in the above equation, we get:
x + x + 69 + 39 + 90 = 180
2x + 198° = 180°
We can solve for x to get:
2x + 198 - 198 = 180 - 198
2x = 180 - 198
2x = -18
x = -18/2
x = -9
Then, x equals -9.
In order to calculate the measure of angle A, we just have to replace the value of x into the equation 39 + x, then we get:
mmm
Then, the measure of angle A equals 30°.
a spinner has three sections. the table shows the results of spinning the arrow on the spinner 80 times. what is the experimental probability of the arrow stopping over section 1? responses 128 1 over 28 720 7 over 20 713 7 over 13 45 4 over 5 section 1section 2section 3 283616
The experimental probability of the arrow stopping over section 1 is 7/13, or 0.538.
To calculate this, you need to take the number of times the arrow stopped on section 1 (45) and divide it by the total number of times the arrow was spun (80). This can be expressed as a fraction (45/80), which can be simplified to 7/13. To convert this fraction to a decimal, divide the numerator by the denominator (7/13 = 0.538).
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Find the value of x that makes 25x^2 + 70x + c a perfect square trinomial
The value of x that makes 25x^2 + 70x + c a perfect square trinomial is c = 1225.
To make the quadratic expression 25x^2 + 70x + c a perfect square trinomial, we need to determine the value of c.
A perfect square trinomial can be written in the form (ax + b)^2, where a is the coefficient of the x^2 term and b is half the coefficient of the x term.
In this case, a = 25, so b = (1/2)(70) = 35.
Expanding (ax + b)^2, we have:
(25x + 35)^2 = 25x^2 + 2(25)(35)x + 35^2
= 25x^2 + 70x + 1225.
Comparing this with the given quadratic expression 25x^2 + 70x + c, we can see that c = 1225.
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What is the circumference of a circle with a diameter of 6 feet? Use 3.14 for pie.
Answer:
18.84
Step-by-step explanation:
Answer:
18.84
Step-by-step explanation:
three times the lesser of 2 consecutive odd integers is 5 more than twice the greater integer. what is the lesser integer?
Answer:
The lesser integer is 9.
Step-by-step explanation:
Let the lesser integer be x then the greater is x+2
So, we have:
3x = 2(x+2) + 5
3x = 2x + 9
x = 9
So the numbers are 9 and 11.