Answer:
-3, and 1
Step-by-step explanation:
-3 is the coefficient of h 1 is the co efficient of h
Gabriella has a bag that contains pineapple chews, lemon chews, and peach chews. She performs an experiment. Gabriella randomly removes a chew from the bag, records the result, and returns the chew to the bag. Gabriella performs the experiment 75 times. The results are shown below:
A pineapple chew was selected 32 times.
A lemon chew was selected 7 times.
A peach chew was selected 36 times.
Based on these results, express the probability that the next chew Gabriella removes from the bag will be peach chew as a decimal to the nearest hundredth.
Answer:
48%
This cannot be simplified
Step-by-step explanation:
Hope this helps.
Answer:
sa
Step-by-step explanation:
Examine whether the finction f(x)=e^x-e^-x/e^x+e^-x
Let us say two different inputs x₁ and x₂ so that f(x₁) = f(x₂).
f(x₁) = f(x₂) implies:
(e^x₁ - e^(-x₁)) / (e^x₁ + e^(-x₁)) = (e^x₂ - e^(-x₂)) / (e^x₂ + e^(-x₂))
(e^x₁ - e^(-x₁))(e^x₂ + e^(-x₂)) = (e^x₂ - e^(-x₂))(e^x₁ + e^(-x₁))
(e^x₁e^x₂ + e^x₁e^(-x₂) - e^(-x₁)e^x₂ - e^(-x₁)e^(-x₂)) = (e^x₂e^x₁ + e^x₂e^(-x₁) - e^(-x₂)e^x₁ - e^(-x₂)e^(-x₁))
e^x₁e^(-x₂) - e^(-x₁)e^x₂ = e^x₂e^(-x₁) - e^(-x₂)e^x₁
ln(e^x₁e^(-x₂) - e^(-x₁)e^x₂) = ln(e^x₂e^(-x₁) - e^(-x₂)e^x₁)
Using the properties of logarithms:
x₁ - x₂ = x₂ - x₁
This simplifies to:
0 = 0
The equation zero = zero is proper for any x₁ and x₂. This implies that the idea that f(x₁) = f(x₂) leads to a contradiction. Hence, the characteristic f(x) = (e^x - e^(-x)) / (e^x + e^(-x)) is injective or one-to-one.
Thus, as the feature is one-to-one, it means that it has an inverse.
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Your question seems incomplete, the probable complete question is:
Examine whether the function f(x)=e^x-e^-x/e^x+e^-x is inverse or not.
Let ABC be acute triangle. If the angles of ABC, in degrees, are integers and form an arithmetic sequence.
The measure of the angle is 60 degrees
How to determine the measure of the middle angle?From the question, we have the following parameters that can be used in our computation:
Triangle type = acute triangle
Angle relationship = arithmetic sequence
Represent the smallest angle with x
So, the other angles are x + d and x + 2d
Where the common difference is d
When the angles are added together, we have the following equation
x + x + d + x + 2d = 180
Evaluate the like terms
So, we have the following representation
3x + 3d = 180
Divide through by 3
This gives
x + d = 60
Recall that:
Smallest angle = x
Middle angle = x + d
Largest angle = x + 2d
This means that
Middle angle = x + d = 60
Hence, the middle is 60 degrees
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Complete question
Let ABC be acute triangle. If the angles of ABC, in degrees, are integers and form an arithmetic sequence.
What is the measure of the middle angle?
Diane ha pizza dough for making pizzas. She separates the dough into three portions
Listed below.
Portion A is 8.25 ounces
Portion B is twice as much as portion A
Portion C is twice as much as portion B
What is the weight in ounces of portion B and the weight in ounces of portion C
The weight in ounces of portion B is 16.5 ounces, and the weight in ounces of portion C is 33 ounces.
What is Algebraic expression ?
Algebraic expression can be defined as combination of variable and constants.
Portion A is 8.25 ounces.
Portion B is twice as much as portion A, so:
Portion B = 2 x Portion A
Portion B = 2 x 8.25
Portion B = 16.5 ounces
Portion C is twice as equal as portion B, so:
Portion C = 2 x Portion B
Portion C = 2 x 16.5
Portion C = 33 ounces
Therefore, the weight in ounces of portion B is 16.5 ounces, and the weight in ounces of portion C is 33 ounces.
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Solve the system of equations using substitution.
3x + 2y = 7
x = 3y + 6
The solution of the system of equation by substitution is x = 3 and y = -1.
How to solve system of equation by substitution?System of equation can be solved using different techniques such as substitution method, elimination method and graphical method.
Let's solve the system of equation by substitution method
Therefore,
3x + 2y = 7
x = 3y + 6
Substitute equation(ii) in equation(i)
3(3y + 6) + 2y = 7
9y + 18 + 2y = 7
9y + 2y + 18 = 7
11y = 7 - 18
11y = -11
y = -11 / 11
y = -1
Hence, let's find x
x = 3(-1) + 6
x = -3 + 6
x = 3
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solve the equation for y.2x - 3y = 6
2x - 3y = 6
subtract 2x form both sides of the equation:
2x-3y-2x= 6-2x
-3y= 6-2x
Divide both sides by -3
-3y/-3= (6-2x)/-3
y= -2+2/3x
The graph of the cubic parent equation, y=x3
, is plotted on the coordinate plane.
Select two equations that represent a shift of the graph of the parent equation to the right on the coordinate plane.
The two equations that represent a shift of the graph are y=(x-12)³ and y=(x+8)³.
What is an equation?
Variable terms are frequently used in complex algorithms to reconcile two opposing claims. Academic statements known as equations are used to express the equivalence of different academic quantities. Rather than using a specific algorithm to divide 12 into two parts and assess the data obtained from y + 7, normalization in this case leads to b + 7.
The two equations describe a shift of the graph of the parent equation on the coordinate plane towards the right.
=> y=(x-12)³
=> y=(x+8)³
Therefore , the solution of the given problem of equation comes out to be y=(x-12)³ and y=(x+8)³.
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the probability of snow for each of the next three days is $\frac{2}{3}$. what is the probability that it will snow at least once during those three days? express your answer as a common fraction.
Answer: 3/4 *3/4 *3/4 = 27/64 this is the proabability that is DOES snow every day. 1-27/64 = 37/64 this is the proabability that is DOES NOT snow EVERY day. 1/(4^3) = 1/64 IS the probability that is does not snow AT ALL for the 3 days.
Step-by-step explanation:
Subtract. Express your answer in lowest form. 8 1/4 minus 5 2/3 a. 3 5/12 b. 3 7/12 c. 2 5/12 d. 2 7/12
Answer:
D. 2 7/12
Step-by-step explanation:
8 1/4 - 5 2/3
Turn to improper fractions.
33/4 - 17/3
Make the denominators equal.
99/12 - 68/12
Subtract the fractions since denominators are equal.
31/12
= 2 7/12
Answer:
\( 2 \frac{7}{12} \)
Answer D is correct.
Step-by-step explanation:
\(8 \frac{1}{4} - 5 \frac{2}{3} \\ \frac{33}{4} - \frac{17}{3} \\ \frac{99 - 68}{12} \\ \frac{31}{12} = 2 \frac{7}{12} \)
I forgot to attach this too
The triangle is Scalene and Obtuse.
How to classify triangles using sides and angle?
Triangles can be classified based on various attributes such as sides and angles.
By sides:
Equilateral triangle: all sides have equal length
Isosceles triangle: two sides have equal length
Scalene triangle: no sides have equal length
By angles:
Acute triangle: all angles are less than 90 degrees
Right triangle: one angle is exactly 90 degrees
Obtuse triangle: one angle is greater than 90 degrees
Since the given triangle have no equal sides and one of the angle is greater than 90 degrees, we can say the triangle is Scalene and Obtuse
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What is the value of x in the triangle? a 30-60-90 triangle with a long leg of length of 5 and short leg of length x a. b. c. d. e.
In a 30-60-90 triangle with short leg length x and hypotenuse length 8. the value of x in the triangle is 8√3 / 3.
What is the right triangle?A right-angle triangle is a triangle that has a side opposite to the right angle the longest side and is referred to as the hypotenuse.
In a 30-60-90 triangle, the ratio of the side lengths is 1: 2 : √3
To find the length of the short leg, x, you can create this proportion:
x / 8 = 1 / √3
x = 8 × 1 / √3
x = 8 / √3
By rationalizing the denominator by multiplying the numerator and denominator by √3.
x = 8 √3 / 3
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Suppose you wish to measure the impact of smoking on the weight of newborns. You are planning to use the following model, log(bw i
)=β0+β1 male i
+β2 order i
+β3y i
+β4cig i
+ϵ i
where bw is the birth weight, male is a dummy variable assuming the value 1 if the baby is a boy or 0 otherwise, order is the birth order of the child, y is the log income of the family, cig is the amount of cigarettes per day smoked during pregnancy, i indexes the observation and the β 's are the unknown parameters. (a) What could be the problem in using OLS to estimate the above model? (b) Suppose you have data on the average price of cigarettes in the state of residence. Would this information help to identify the true parameters of the model? (c) Use data on BirthWeight.dta to estimate the model above. Use OLS and 2SLS. Discuss the results. (d) Estimate the reduced form for cig. Discuss
a) Using OLS to estimate the model may lead to biased and inconsistent results due to potential endogeneity.
b) Data on the average price of cigarettes in the state of residence, potentially help identify the true parameters of the model.
c) The 2SLS estimates would be more reliable and provide a better understanding of the true relationship between smoking and birth weight.
d) Estimating the reduced form for cig, we can assess the validity of the instrumental variable
(a) The problem with using Ordinary Least Squares (OLS) to estimate the above model is that the error term, εi, may be correlated with one or more of the explanatory variables. In this case, there might be endogeneity issues, where the variable cig (amount of cigarettes per day smoked during pregnancy) is likely to be correlated with the error term.
This violates one of the key assumptions of OLS, which is the absence of correlation between the error term and the explanatory variables.
(b) Having data on the average price of cigarettes in the state of residence could potentially help identify the true parameters of the model. This information can be used as an instrumental variable (IV) for the variable cig.
An instrumental variable is a variable that is correlated with the endogenous variable (cig) but is not correlated with the error term. By using an IV approach, such as 2SLS (Two-Stage Least Squares), we can obtain consistent estimates of the true parameters of the model, even in the presence of endogeneity.
(c) To estimate the model using OLS and 2SLS, you would need access to the data on birth weight (bw), male (dummy variable), order (birth order of the child), y (log income of the family), cig (amount of cigarettes per day smoked during pregnancy), and other relevant variables. OLS would provide estimates of the parameters under the assumption of no endogeneity
. However, 2SLS would be preferred in this case, as it addresses the potential endogeneity issue by using instrumental variables.
After estimating the model using both OLS and 2SLS, you should compare the results. If the OLS estimates are significantly different from the 2SLS estimates, it suggests the presence of endogeneity.
In this case, the 2SLS estimates would be more reliable and provide a better understanding of the true relationship between smoking and birth weight.
(d) To estimate the reduced form for cig, you would need to regress the variable cig on other exogenous variables that are not included in the main model. The reduced form would provide the relationship between the instrumental variable (average price of cigarettes) and cig. By estimating the reduced form, you can assess the validity of the instrumental variable and its relevance in addressing the endogeneity issue.
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From the equations below find the only equation that can be written as a second order, linear, homogeneous, differential equation. None of the options displayed. Oy+2y=0 3y" + ey=0 Oy"+y+5y² = 0 O2y + y + 5t = 0 y"+y+ey = 0 2y"+y+ 5y + sin(t) = 0
The equation that can be written as a second order, linear, homogeneous, differential equation is y"+y+ey = 0.
What is a second order linear homogeneous differential equation?
A linear differential equation of order 2 is called a second-order linear differential equation. Second-order homogeneous linear differential equations have a specific structure that allows us to solve them using general methods.To be considered homogeneous, the right-hand side of the differential equation must be zero.
The solutions of a homogeneous second-order linear differential equation are the linear combinations of two fundamental solutions that are solutions of the differential equation.Let's examine the equations given to find which one fits the criteria.
Below are the given equations:
y' + 2y = 0y'' + ey = 03y'' + ey
= 0O2y + y + 5t
= 0y'' + y + ey
= 02y'' + y + 5y + sin(t)
= 0
The only equation that can be written as a second order, linear, homogeneous, differential equation is y"+y+ey = 0.
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What is the measure of the unknown angle?
A. 60°
B. 63°
C. 64°
D. 70°
Answer:
B. 63°
Step-by-step explanation:
The distance around a circle is 360°
This means that 297° + n = 360°
Equation:
297 + n = 360
We can find the value of n by subtracting:
297 + n = 360
-297 -297
n = 63
Therefore, the value of n is 63 degrees.
someone help me plz:
Andrew has an annual income of $25,000. He decides to take classes online and at night so that he can continue to work. After 3 years, he gets his degree and immediately starts earning $35,000 per year. If it takes Andrew 6 years to recover his investment for his education, how much did it cost him? Show your work.
Rate of change=35000-25000=10000
Time=6years
Total cost
\(\\ \sf\longmapsto 10000(6)=\$60000\)
There is a boat fleeing the scene of a crime that occurred at the light house. The boat is 250 feet away from the light house. How tall is the light house?
Answer:
127 FT
Step-by-step explanation:
I got it
Rewrite the equation by completing the square. x^{2}+16x+64 = 0
Answer:
(x+8)²
Step-by-step explanation:
x² + 16x + 64 = (x+8)²
(x+8)² = (x+8)(x+8) = x*x + x*8 + 8*x + 8*8 = x² + 8x + 8x + 64
= x² + 16x + 64
pls help asap if you can!!!!
The statement that proves that angle XWY is equal to angle ZYW is
A. If two parallels are cut by a transverse, then alternate interior angles are congruent
What are alternate interior anglesAlternate interior angles are a pair of angles that are formed on opposite sides of a transversal line when two parallel lines are intersected by the transversal.
When a transversal intersects two parallel lines, it creates eight angles. Among these angles, the alternate interior angles are located on the inside of the parallel lines and on opposite sides of the transversal.
In a parallelogram, the two opposite sides are parallel to each other hence the line crossing them will lead to formation of alternate interior angles
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Which is not true about the degrees of freedom (df) of a chi-square distribution?
Option (A): "As the degrees of freedom increases the shape of the Chi-Square Distribution becomes more skewed" is a false statement.
What is Chi-Square Distribution?The Chi-Square Distribution is a type of probability distribution that is skewed rightward. The Chi-Square Distribution is used for both the confidence interval and hypothesis testing. The confidence interval is used mainly for variances and the hypothesis testing is used for the goodness of fit test and the test of independence.Now, amongst the considered options, "As the degrees of freedom increases the shape of the Chi-Square Distribution becomes more skewed." (Option A) is not true, because:
As the degrees of freedom increases, the shape of the Chi-Square Distribution approaches a normal distribution and the graph of the Chi-Square Distribution looks more symmetrical.
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What is the answer for 2(x+1)-(x+1) ^2?
Answer:
Step-by-step explanation:
Answer: x+3^2
Step-by-step explanation:
2(x+1)-(x+1) ^2
2x-x+-x^2+1
x+-x^2+1
-x^2+1
Hope this helps
Identify and describe two environmental benefits to using electric vehicles in place of gasoline-powered engines for transportation.
Electric vehicles offer two significant environmental benefits compared to gasoline-powered engines for transportation: reduced greenhouse gas emissions and improved air quality.
One major environmental benefit of electric vehicles (EVs) is their potential to reduce greenhouse gas emissions. Unlike gasoline-powered engines that release carbon dioxide and other pollutants during combustion, EVs produce zero tailpipe emissions. By relying on electricity as their primary source of power, EVs contribute to lowering greenhouse gas emissions and combating climate change. Furthermore, the environmental impact of EVs can be further reduced if the electricity used for charging them comes from renewable energy sources, such as solar or wind power.
Another environmental advantage of electric vehicles is the improvement in air quality. Traditional gasoline-powered vehicles emit pollutants such as nitrogen oxides, particulate matter, and volatile organic compounds, which contribute to air pollution and various health issues. In contrast, EVs produce no tailpipe emissions, resulting in cleaner air and a reduction in harmful pollutants. This can lead to significant improvements in urban areas where vehicular traffic is dense, reducing respiratory illnesses and enhancing overall public health.
In conclusion, the adoption of electric vehicles offers substantial environmental benefits, including reduced greenhouse gas emissions and improved air quality. These advantages contribute to mitigating climate change, protecting human health, and fostering a cleaner and more sustainable transportation system.
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In an introductory psychology class with n = 50 students, there are 9 freshman males, 15 freshman females, 8 sophomore males, 12 sophomore females, and 6 junior females. A random sample of n = 2 students is selected from the class. If the first student in the sample is a male, what is the probability that the second student will also be a male?
a. 8/14
b. 12/20
c. 20/44
d. 20/50
Answer: Total number of males= C
Step-by-step explanation:
-15/8 + 1/4 = ??????
Answer:2 1/8 pls give me brainliest
Step-by-step explanation:first step is to change the 1/4 to 2/8. Then add and simplify.
Determine if the relation is a function and explain your reasoning.
Day of the week Whether I went for a walk
Monday
No walk
Tuesday
Walked
Wednesday
No walk
Thursday
Walked
No walk
Walked
Walked
Friday
Saturday
Sunday
O The relation is a function because all of the input values have different output values.
O The relation is not a function because the output value Walking has different input values, and the same with No walk.
O The relation is not a function because some of the input values have different output values.
O The relation is not a function because there are 7 different input values.
The association of one to one relationship between the input and output values of the relationship indicates that the relationship is a function. Therefore;
The relation is a function because all of the input values have different output values.What is a function?A function is a relationship between input and output values that maps each value in the input to exactly one value in the output.
The relationship can be expressed as follows;
Day of the week \({}\) Activity whether going for a walk
Monday \({}\) No walk
Tuesday \({}\) Walked
Wednesday \({}\) No walk
Thursday \({}\) Walked \({}\)
Friday \({}\) No walk
Saturday \({}\) Walked
Sunday \({}\) Walked
A function is a relationship in which each input has exactly one output. The above relationship, in which the day of the week is the input value and the activity is the output value, is a function because, each day of the week has only one output to which it is associated.
The correct option is therefore;
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Which of the following transformations is non-rigid? A.translationB.dilationC.reflectionD.rotation
From the question the transformations that non-rigid is dilation. The correct answer is B.
what is nonrigid transformation?Any transformation of a geometric object that alters the size but not the shape is referred to as a nonrigid transformation. Examples of non-rigid types of transformation include stretching and dilation. Any action taken on a shape is referred to as a metamorphosis.
Rigid transformation is When a figure undergoes a stiff transformation, its size and shape are left unaltered. Because the image is unchanged, stiff transformations include translations, rotations, and reflections.
As a result, a dilation is a non-rigid transformation because the size of the image is changing.
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Which polynomial represents the sum below?
(3x² + 3) + (3x² + x + 4)
OA. 9x²+x+12
OB. 6x²+x+7
OC. 6x²+x+12
OO
D. 9x²+x+7
Answer:
Hi there! The answer is C.
(3 {x}^{2} + 3 ) + (3 {x}^{2} + x+ 4) =(3x
2
+3)+(3x
2
+x+4)=
First we work out the parenthesis, which is easy, because we can just remove them.
3 {x}^{2} + 3 + 3 {x}^{2} + x + 4 =3x
2
+3+3x
2
+x+4=
Now rearrange our expression (in order to collect the terms later).
3 {x}^{2} + 3 {x}^{2} + x + 3 + 4 =3x
2
+3x
2
+x+3+4=
Now we can collect the terms.
6 {x}^{2} + x + 76x
2
+x+7
The answer is C.
~
Step-by-step explanation:
this is your correct answer
what are the numbers for h?
Answer:
0,1
2,2
4,3
6,4
Step-by-step explanation:
Some Examples
4 = 1/2 (6) + 1
4 = 3 + 1
4=4
----------
2 = 1/2 (2) + 1
2 = 1 + 1
2 = 2
h
0
2
4
6
...................
Tekan-Tekan Sdn. Bhd. has order for 200 Model AS-120 calculator for delivery on day 200. The calculator consists of three parts. Components 2 and 3 form subassembly 1 . Sub-assembly 1 and component 4 form the final assembly. Following are the work centers and times of each operation. Table Q3(a) shows routine file of the operation. Assuming: - Only one machine is assigned to each operation - The factory works on 8-hour shift, 5 days a week - All parts move in one lot of 200. (a) Illustrate the backward schedule based on the information given above. (12 marks) (b) Identify when component 3 must be started to meet the delivery date. (2 marks)
Component 3 must be started on day 197 to meet the delivery date of day 200.
To illustrate the backward schedule, we need to start from the delivery date (day 200) and work our way backward, taking into account the lead times and dependencies of each operation.
(a) Backward schedule:
Operation | Work Center | Time (hours) | Start Day
--------------------------------------------------------
Final Assembly | Work Center 1 | 1 | 200
Sub-assembly 1 | Work Center 2 | 2 | 199
Component 4 | Work Center 3 | 3 | 197
Component 2 | Work Center 4 | 4 | 196
Component 3 | Work Center 5 | 3 | ????
(b) To identify when component 3 must be started to meet the delivery date, we need to consider its dependencies and lead times.
From the backward schedule, we see that component 3 is required for sub-assembly 1, which is scheduled to start on day 199. The time required for sub-assembly 1 is 2 hours, which means it should be completed by the end of day 199.
Since component 3 is needed for sub-assembly 1, we can conclude that component 3 must be started at least 2 hours before the start of sub-assembly 1. Therefore, component 3 should be started on day 199 - 2 = 197 to ensure it is completed and ready for sub-assembly 1.
Hence, component 3 must be started on day 197 to meet the delivery date of day 200.
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Point X is located at (2, −6), and point Z is located at (0, 5). Find the y value for the point Y that is located one over five the distance from point X to point Z.
Answer:
Write the disadvantage of barter system?
Larry owns a shoe store. his starting balance was 17,300 his ending balance was 14,700 what is Larry's burn rate.
Larry's burn rate, which represents the amount of money he spent per unit of time, is $2,600 per month based on the starting balance of $17,300 and the ending balance of $14,700.
Larry's burn rate can be calculated as the amount of money he spent per unit of time, which is usually expressed as a monthly or annual rate. To calculate his burn rate based on the given information, we need to know the time period for which the difference between the starting and ending balances represents.
Assuming that the starting balance of $17,300 represents the beginning of a month or some other specific time period, and that the ending balance of $14,700 represents the end of the same time period, we can calculate Larry's burn rate as follows:
Burn rate = (Starting balance - Ending balance) / Time period
If we assume that the time period is one month, then:
Burn rate = ($17,300 - $14,700) / 1 month = $2,600 per month
Therefore, Larry's burn rate is $2,600 per month. This means that he spent an average of $2,600 per month to run his shoe store during the time period in question.
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