Probability of the null hypothesis being true is greater than the significance level.
The probability that the null hypothesis is true depends on the significance level set before the hypothesis test. In this case, the significance level was set at 0.05 and the p-value obtained was 0.10. This means that the probability of the null hypothesis being true is greater than the significance level (0.10 > 0.05), so the null hypothesis cannot be rejected.
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How to explain what angle is made by an acute angle, and a right angle
781 decreased by 30%
Answer:
546.7
Step-by-step explanation:
According to this partial W-2 form, how much money was paid in FICA taxes?
A. $418.53
B. $1789.87
C. $1906.86
D. $2208.10
Answer:
a To$4198i0 multiple times a week and prosperity in 44 approximate length of 4X5
Mai's water bottle had 24 ounces in it. After she drank x ounces of water, there were 10 ounces left. Select ALL the equations that represent this situation. * (a) 24 ÷ 10 = x (b) 24 + 10 = x (c) 24 − 10 = x (d) x + 10 = 24 (e) 10x = 24
Answer:
1 4/5
Step-by-step explanation:
Kolton is working through a setup for his new video that he wants to shoot and send to his friends. He's obsessed with trains and has so many of the "mini" trains that he thought it would be fun to set the trains up as if they were in seats at a stadium watching the big trains. (think theater seating) He knows that he wants to set it up so that there are 5 more trains in the next row for each of the next rows that he sets up and that the very first row in the front can only have 12 trains to start. Kolton asked me to help him come up with an equation to figure out how many mini trains he would need in each of the rows. Tell me what this equation would be describing the individual parts and then show all steps from start to finish for using that equation to solve for how many trains will be in row 15.
SHOW ALL MATH WORK AND EXPLANATIONS FOR THIS FROM START TO FINISH! IT'S A 10 POINT PROBLEM!
Answer:
The equation that describes the number of mini trains Kolton would need in each row would be:
n = 12 + 5(r - 1)
where n is the number of mini trains in a given row, and r is the number of the row.
To find the number of mini trains in row 15, we simply substitute r = 15 into the equation and solve for n:
n = 12 + 5(15 - 1)
n = 12 + 5(14)
n = 12 + 70
n = 82
Therefore, Kolton would need 82 mini trains in the 15th row.
i need help with my home work
The expression or equation that correctly represents the situation given is y = 2x.
What is the relationship between the packages of cashews and the cans of peanuts?Based on the table, for each package of cashews 2 cans of peanuts are required. Here are some examples:
3 packages of cashews = 6 cans of peanuts = 6/3 = 24 packages of cashews = 8 cans of peanuts = 8/4 = 2Based on this relationship and assuming y represents the cans of peanuts and x represents the packages of cashews a possible equation to represent this situation would be y = 2x.
Note: This question is incomplete; below I attach the missing information:
Write an equation to represent this relationship:
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what are coordinate planes explain:
Answer:
a two-dimension surface formed by two number lines.
24÷4=6
24
÷
4
=
6
can be thought of as 24
24
broken into 4
4
groups of 6
6
each
The equation 24÷4=6 can be thought of as 24 broken into 4 groups of 6 each. This can be shown mathematically as follows: 24/4 = 6.
The division 24 ÷ 4 = 6 can be represented as 24 divided into 4 groups of 6 each. Therefore, each group contains 6 elements.
Another way to represent this division is by using a division box. In this case, 24 is the dividend, 4 is the divisor, and 6 is the quotient. Here's how to write it in the division box format:``` 6|24----4```The divisor is outside the division box, while the dividend is inside the division box. Then, we divide 24 by 4 to obtain 6. Therefore, 24 ÷ 4 = 6.
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The sum of two numbers is 18. Their difference is -8. Find the two numbers.
Part A
Write a system of equations that represents the situation.
x + y =
x-y =
Part B
Solve the system of equations. Express the coordinates as decimals if necessary.
The two numbers in the system of equation is 5 and 13.
What is system of equation?A group of multiple-variable equations that must all be solved concurrently make up a system of equations. Finding values for the variables that satisfy every equation in a system of equations is the objective. Each equation in the system reflects a connection between the variables. In order to find a singular solution or a group of solutions, systems of equations can be solved using a variety of methods, such as substitution or elimination. In many disciplines, including mathematics, physics, engineering, and economics, systems of equations can occur.
Let us suppose the two numbers as x and y.
x + y = 18
x - y = -8
The second equation can be written as:
x + 8 = y
Substitute the value of y in equation 1:
x + x + 8 = 18
2x = 10
x = 5
Substitute the value of x to get y:
x + y = 18
5 + y = 18
y = 13
Hence, the two numbers in the system of equation is 5 and 13.
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Please Help! I don't understand this question!
Therefore, the inverse of f(x) is not a function, as it fails the vertical line test.
How does a mathematical function appear?One output is produced for one input by a function, a form of rule. The formula y=x2 serves as an illustration of this. A single output for y results from any input for x. Given that x is the input value, it is appropriate to say that y is a function of x.
We can determine if the inverse of f(x) = 8x² + 27 is a function by finding the inverse and checking if it passes the vertical line test.
To find the inverse, we first replace f(x) with y:
y = 8x² + 27
Next, we swap the roles of x and y:
x = 8y² + 27
Solving for y gives:
8y² = x - 27
y² = (x - 27)/8
y = ±√((x - 27)/8)
Notice that we have a ± sign in front of the square root, which means that for each x value, we have two possible y values.
Therefore, the inverse of f(x) is not a function, as it fails the vertical line test.
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A small circle is centered inside of a larger circle. The large circle has a radius of 10 inches. The small circle has a radius of 3 inches.
Answer: 126in
Step-by-step explanation:
ftc6yhunum8im
huju7kt6r
5+10=24
g5ghykn
consider a 20-lb pink flamingo that stands 3 ft in height and has legs that are 2 ft in length. model the height and leg length of a 100-lb flamingo. what assumptions are necessary? are they reasonable assumptions?
The height of a 100-lb flamingo can be estimated by assuming that it would be proportional to the height of the 20-lb pink flamingo. Based on this assumption, the 100-lb flamingo would be 6 ft tall.
The leg length of a 100-lb flamingo can be estimated by assuming that it would also be proportional to the leg length of the 20-lb pink flamingo. Using this assumption, the 100-lb flamingo would have legs 4 ft in length.
These assumptions are reasonable given that the difference in size of the two flamingos is only a factor of 5. This means that the size difference between the two is not large enough to drastically change the proportions of their bodies. Thus, it is a fair assumption that the proportions of their height and leg length would remain roughly the same.
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In the following table, individuals are cross-classified by their age group and income level.
Income
Age. Low. Medium. High
21-35. 120. 100. 75
36-50. 150. 160. 100
51-65. 160 180. 160
Which of the following is the estimated joint probability for the "low income and 21-35 age group" cell?
The estimated joint probability for the "low income and 21-35 age group" cell is 0.108.
In the table given, individuals are cross-classified by their income level and age group. We have to find the estimated joint probability for the "low income and 21-35 age group" cell. The joint probability of the low income and 21-35 age group is calculated as follows;
From the given table, the number of people in the "low income and 21-35 age group" cell is 120.The total number of people in the sample = 120 + 100 + 75 + 150 + 160 + 100 + 160 + 180 + 160 = 1105.
The estimated joint probability for the "low income and 21-35 age group" cell is:P(Low income, 21-35 age group) = 120/1105P(Low income, 21-35 age group) = 0.108. Therefore, the estimated joint probability for the "low income and 21-35 age group" cell is 0.108.
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right cone has a base with diameter 16 units.
me volume of the cone is 320 cubic units.
What is the length of a segment drawn from the apex to the edge of the circular base?
Answer:
The length of the segment is 8 units.
We can use the formula for the volume of a cone to calculate the height of the cone:
V = (1/3)πr^2h
320 = (1/3)π(8^2)h
h = 320/(1/3)(π)(64)
h = 8 units
Given f(x)=6x and g(x)=1/3x^-2, find: (f • g) (3)
Answer:
2/3 is the answer .......mmm..
A 145 pound person burns 420 calories per hour riding an exercise bicycle at a rate of 15 miles per hour. Write a function rule to represent the total calories burned over time by that person. Explain how the information in the problem related to the function
Answer: 580
Step-by-step explanation: i learned that just like 1 hour ago in school
What is the solution of the equation (4x + 3)² = 18?
Answer:
third option
Step-by-step explanation:
(4x + 3)² = 18 ( take square root of both sides )
4x + 3 = ± [tex]\sqrt{18}[/tex] = ± [tex]\sqrt{9(2)}[/tex] = ± ([tex]\sqrt{9}[/tex] × [tex]\sqrt{2}[/tex] ) = ± 3[tex]\sqrt{2}[/tex] ( subtract 3 from both sides )
4x = - 3 ± 3[tex]\sqrt{2}[/tex] ( divide both sides by 4 )
x = [tex]\frac{-3+3\sqrt{2} }{4}[/tex] , x = [tex]\frac{-3-3\sqrt{2} }{4}[/tex]
EASY MATH HELP
PIC DOWN BELOW
the medians intersect at the coordinate (__,__)
Write any fractions simplified
The medians intersect at the coordinate (4, 5/3).
How to find the intersection point of medians?
The medians of a triangle intersect at a point known as the centroid. The coordinate of centroid is given by:
Centroid of the triangle = ((x₁+x₂+x₃)/3 , (y₁+y₂+y₃)/3)
where (x,y) are the coordinates of the vertices
The coordinate of the vertices of the triangle are (0,0), (5,0), and (7,5). Using the formula:
Centroid of the triangle = ((x₁+x₂+x₃)/3 , (y₁+y₂+y₃)/3)
Centroid of the triangle = ((0+5+7)/3 , (0+0+5)/3)
Centroid of the triangle = (12/3, 5/3)
Centroid of the triangle = (4, 5/3)
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Only 2 fairly short word problems about solving systems.
The ages of Paige, Quiana, and Ryan, given their relationship to each other's ages are:
Paige - 12 years Quiana - 24 years Ryan - 21 yearsThe amount of each type of coin that Uncle Ralph has are:
Quarter - 5 Dime - 4 Nickel - 9How to find the ages and coin types ?The equations we have are:
Paige is half as old as Quiana: P = 0.5 x Q
Quiana is three years younger than Ryan: Q = R - 3
Ryan is nine years older than Paige: R = P + 9
Now we can substitute for R from the second equation into the new equation: Q - 3 = (0.5 x Q) + 9
Now, let's solve for Q: 0.5 x Q = Q - 12 => 0.5 x Q = 12
Now we can find Q: Q = 24
Now that we have Quiana's age, we can find Paige's and Ryan's ages:
P = 0.5 x Q = 0.5 x 24 = 12
R = P + 9 = 12 + 9 = 21
Uncle Ralph has 18 coins in total: Q + D + N = 18
The number of quarters and dimes combined is the same as the number of nickels: Q + D = N
He has $2.10 worth of coins: 0.25 x Q + 0.10 x D + 0.05 x N = 2.10
Now we have two equations:
Q + D = 9
0.25 x Q + 0.10 x D + 0.05 x (Q + D) = 2.10
We can solve the system of linear equations. Multiply the first equation by 0.15 and subtract it from the second equation:
0.30 x Q + 0.15 x D - (0.15 x Q + 0.15 x D) = 2.10 - 1.35 => 0.15 x Q = 0.75
Substitute the value of Q back into the first equation to find the number of dimes: 5 + D = 9 => D = 4
Now we can find the number of nickels using the second equation: N = Q + D = 5 + 4 = 9
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if n > 30 , then the sampling distribution of the mean will have a shape of symmetric , the mean will be equal to [ select ] and the standard error will be equal to
When n > 30, the sampling distribution of the mean will have a shape of symmetric, the mean will be equal to the population mean (μ), and the standard error will be equal to σ/√n.
The shape of a sampling distribution of the mean is always symmetric when n > 30. This is because the Central Limit Theorem (CLT) states that the sampling distribution of the mean is approximately normal when the sample size is greater than 30. Therefore, when n > 30, the shape of the sampling distribution of the mean will be symmetric.
The mean of the sampling distribution of the mean is equal to the population mean, μ. This is because the sampling distribution of the mean is a probability distribution of all the possible sample means, and it is centered around the population mean. Therefore, the mean of the sampling distribution of the mean is equal to μ.
The standard error (SE) of the sampling distribution of the mean is equal to the population standard deviation (σ) divided by the square root of the sample size (n). This is because the standard error is a measure of how accurately the sample mean estimates the population mean. Since the sample size is greater than 30, the sample mean will accurately estimate the population mean and the standard error will be equal to σ/√n.
In summary, when n > 30, the sampling distribution of the mean will have a shape of symmetric, the mean will be equal to the population mean (μ), and the standard error will be equal to σ/√n.
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Solve 7-10, 12-22 even. If you cheese this up, I'm reporting. WORTH 100 POINTS
The values of the expression when using the completing the square method is given below
How to calculate the valueTo complete the square for x²-16x+c, we need to add and subtract the square of half the coefficient of x, which is (-16/2)² = 64. So:
x² - 16x + c = (x - 8)² - 64 + c
To complete the square, we added (-16/2)² = 64, but we subtracted it again to keep the expression equivalent. Therefore, c - 64 is the value that completes the square.
Similarly, for x² + 7x + c, we add and subtract (7/2)² = 49/4:
x² + 7x + c = (x + 7/2)² - 49/4 + c
So c - 49/4 completes the square.
For x²- 9x, we add and subtract (9/2)² = 81/4:
x² - 9x = (x - 9/2)² - 81/4
Therefore, c - 81/4 completes the square.
To factor x²- 14x, we can factor out x:
x² - 14x = x(x - 14)
To factor x² + 30x, we can factor out x:
x² + 30x = x(x + 30)
To factor x²- 9x, we can factor out x:
x² - 9x = x(x - 9)
To solve x² + 10x = 16 by completing the square, we first add and subtract (10/2)² = 25:
x² + 10x + 25 - 25 = 16
(x + 5)² = 41
x + 5 = ±√41
x = -5 ±√41
To solve x² - 3x = 7 by completing the square, we first add and subtract (3/2)² = 9/4:
x² - 3x + 9/4 - 9/4 = 7
(x - 3/2)² = 37/4
x - 3/2 = ±√(37/4)
x = 3/2 ±√(37/4)
To solve x² + 15x = 12 by completing the square, we first add and subtract (15/2)² = 225/4:
x² + 15x + 225/4 - 225/4 = 12
(x + 15/2)² = 129/4
x + 15/2 = ±√(129/4)
x = -15/2 ±√(129/4)
a. Let L be the length of the wading pool. Then its width is L - 12. The height is 1 foot, so the volume is:
V = L(L - 12)(1) = L² - 12L
b. To complete the square for the expression L² - 12L, we add and subtract (12/2)² = 36:
L² - 12L + 36 - 36 = (L - 6)² - 36
So the volume can be written as:
V = (L - 6)² - 36
To find the dimensions of the wading pool that give a volume of 108 cubic feet, we set V = 108 and solve for L:
(L - 6)² - 36
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Down below are the coordinates after dilation but it says its wrong
Answer:
For the original triangle:
A is at (-3, 6), B is at (1, 2), C is at (-5, 1).
For the new triangle:
A' will be at (-3 - 3, -(6 + 2)) = (-6, -8)
B' will be at (1 - 3, -(2 + 2)) = (-2, -4)
C' will be at (-5 - 3, -(1 + 2)) = (-8, -3)
Solve 5^x=1÷5 solve it as fast as you can
Write an equation of the line that has a slope of 6 and passes through the point (1,-2) in slope-intercept form
Answer:
y=6x-8
Step-by-step explanation:
The slope-intercept form of a line is y = mx + b, where m is the slope and b is the y-intercept. We are given the slope m = 6 and a point on the line (1,-2). We can use point-slope form to find the equation and then simplify it to slope-intercept form.
Point-slope form: y - y1 = m(x - x1)
Substitute the values of m, x1, and y1:
y - (-2) = 6(x - 1)
Simplify the right side:
y + 2 = 6x - 6
Subtract 2 from both sides:
y = 6x - 8
This is the equation of the line in slope-intercept form.
James deposited 10000 into an account that earns 5.5% compound interest, compounded semiannually. How much interest will James earn after 10 years?
James will earn approximately $6,639.12 in interest after 10 years.
What is simple interest?
Simple Interest (S.I.) is the method of calculating the interest amount for a particular principal amount of money at some rate of interest.
To solve this problem, we can use the formula for compound interest:
[tex]A = P(1 + r/n)^{(nt)}[/tex]
where:
A is the final amount (including interest)
P is the principal amount (initial deposit)
r is the annual interest rate (as a decimal)
n is the number of times the interest is compounded per year
t is the time (in years)
Plugging in the given values, we get:
[tex]A = 10000(1 + 0.055/2)^{(2*10)}[/tex]
[tex]A = 10000(1.0275)^{20}[/tex]
A = 10000(1.664)
A ≈ 16639.12
To find the amount of interest earned, we subtract the principal amount from the final amount:
Interest = A - P
Interest = 16639.12 - 10000
Interest ≈ 6639.12
Therefore, James will earn approximately $6,639.12 in interest after 10 years.
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Decide if each of the following is a minor arc, major arc, or semicircle by circling the correct answer .
Answer:
Step-by-step explanation:
minor, semi, minor, major (in that order)
minor is smaller than a semi-circle while major is larger than a semi-circle.
Locate each of the stations on the accompanying map of California. Us a compass to drawa circle centered on each city station with a radius corresponding to the distance determined to the epicenter from that station. The horizontal scale in kilometers is provided on the map
To locate the stations and draw cirradius cles on the map of California, follow these steps:
1. Identify the city stations on the map: Find the city stations indicated on the map, such as San Francisco, Los Angeles, and San Diego.
2. Use a compass: Set your compass to the scale provided on the map.
For example, if the scale says 1 inch = 100 km, adjust your compass accordingly.
3. Determine the distance from the epicenter: Based on the information provided, determine the distance from each city station to the epicenter. If it is not provided, refer to additional resources or data.
4. Draw the circles: Place the compass point on each city station and draw a circle with a corresponding to the distance determined in
step 3. Ensure the radius is in scale with the map.
5. Identify the epicenter: The point where all the circles intersect is the approximate location of the epicenter.
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find sin A 97, 72,65
Therefore, sin(A) is approximately 0.6708 (rounded to four decimal places).
What is trigonometry?Trigonometry is a branch of mathematics that deals with the relationships between the sides and angles of triangles. It is used to solve problems related to geometry, physics, engineering, and many other fields. Trigonometry is based on the study of the six trigonometric functions: sine (sin), cosine (cos), tangent (tan), cosecant (csc), secant (sec), and cotangent (cot). These functions describe the ratios of the lengths of the sides of a right triangle, and can be used to calculate the unknown side lengths or angles of a triangle. Trigonometry is also useful for working with periodic functions, such as waves and oscillations. The trigonometric functions can be used to model and analyze these periodic phenomena, and to predict future behavior based on past observations. Applications of trigonometry can be found in many areas of science, engineering, and technology, including astronomy, navigation, architecture, surveying, and electronics.
Here,
To find sin(A), we need to use the trigonometric ratios of the sides of the right triangle ABC, where angle A is opposite to side a, angle B is opposite to side b and angle C is opposite to side c. We have sides of the triangle as follows:
a = 72
b = 65
c = 97
To find sin(A), we can use the following formula:
sin(A) = opposite/hypotenuse
In this case, the opposite side of angle A is b and the hypotenuse is c, so we have:
sin(A) = b/c
sin(A) = 65/97
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Complete question:
Find sin(A) when we have sides of the triangle as follows:
a = 72
b = 65
c = 97
For the given figure, can you conclude mlln? Explain.
Determining the top three winners in a Science Quiz Bee Forming lines from six given points with no three of which are
The nature of formula (Permutations or Combinations) for each scenario is the following:
1) Permutations ; 2) Combination
3) Combination ; 4) Permutations
5)Permutations ; 6)Combination
7) Combination ; 8)Combination 9)Combination ; 10)Combination.
Permutations formula: Permutation is considered an ordered combination. The general formula for this is,
P(n, r) = n! /(n-r)!
Combination formula: It is considered arrangement ways but without ordered combination. The general formula for this is C(n, r) = n!/ (n-r)! r!
Now, we have provide some situations and we have to resolve them.
1) Determining the top three winners ing Science Quiz have to Bee is an example of Permutation as here we just arrange the position for top winners.
2) Forming lines from six given points with no three of which are collinear, is an example of combination because only pair of points is needed.
3) It will be a combination as here we select 3 points to make a triangle user.
4) Four people posing for pictures is an example of Permutation as oder does not matter.
5) Assembling a jigsaw puzzle is an example of Permutations.
6) As here we choose 2 household chores so it is a combination.
7) Selecting 5 basketball players out of 10 team members for the different positions members it is a combination.
8) Choosing three friend for birthday party is combination formula.
9) Picking 6 balls from a basket by 12 balls is combination formula.
10) Forming a committe of 5 members from do people 20 combinations people.
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Complete question:
P- Permutations or C- Combinations.
1. Determining the top three winners in a Science Quiz Bee
2. Forming lines from six given points with no three of which are collinear
3. Forming triangles from 7 given points with no three of which are collinear
4. Four people posing for pictures
5. Assembling a jigsaw puzzle
6. Choosing 2 household chores to do before dinner
7. Selecting 5 basketball players out of 10 team members for the different positions
8. Choosing three of your classmates to attend your party
9. Picking 6 balls from a basket of 12 balls
10. Forming a committee of 5 members from 20 people