Answer:
the ladder reaches 8 feet up
Step-by-step explanation:
:D
A grocer mixes trail mix that costs $3. 00 per pound with trail mix that costs $1. 50 per
pound. He makes 15 lb of trail mix that costs $2. 50 per pound. How much of each
trail mix did the
grocer
use?
Answer:
15
Step-by-step explanation:
2 + 13 = 15
15( 3 ) = 45
45-35= 15
The grocer used 10 lbs of $3.00 per pound trail mix and 5 lbs of $1.50 per pound trail mix.
What is Algebra?Algebra, a discipline of mathematics where abstract symbols rather than concrete numbers are subjected to arithmetic operations and formal transformations.
As per the given data:
Cost of one trail mix = $3.00 per pound
Cost of another trail mix = $1. 50 per pound
The grocer makes 15 lb of trail mix that costs $2.50 per pound.
Let's assume the grocer used 'A' pounds of $3.00 per pound trail mix and 'B' pounds of $1. 50 per pound trail mix.
Total quantity of $2.50 per pound trail mix = 15 lb
Now, from the given data,
A + B = 15 ...(i)
Also, the total cost is going to remain the same.
3A + 1.5B = 15 × 2.50
3A + 1.5B = 37.5 ...(ii)
Using eq(i) A = 15 - B
Substituting in (ii):
3(15 - B) + 1.5B = 37.5
45 - 3B + 1.5B = 37.5
B = 7.5/1.5
B = 5
and A = 10
The grocer used 10 lbs of $3.00 per pound trail mix and 5 lbs of $1.50 per pound trail mix.
Hence, The grocer used 10 lbs of $3.00 per pound trail mix and 5 lbs of $1.50 per pound trail mix.
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there are a total of 120 bicycles and tricycles in a shop there are 302 wheels in all how many bicycles and how many tricycles are in the shop?
Answer:C. 58 bicycles and 62 tricycles.
Step-by-step explanation:58x2= 116
62x3=186; you then add both total amount of wheels (186+116= 302)
Find the nth term of the sequence
5, 11 , 17 , 23
Answer:
6n-1
Step-by-step explanation:
The rule is to add on from previous term to next to find nth terms and the 0 term can be found by doing 5-6 = -1
ANSWER IS 6N-1
HOPE THIS HELPED
The diagram shows a sector of a circle, radius 45 cm, with angle 84º.
45 cm
840
Diagram NOT
accurately drawn
Calculate the area of the sector.
Give your answer correct to 3 significant figures.
Answer:
area of sector=84°/360°×π×45²=1485cm²
The area of the sector to 3 significant figure is 1480cm²
Area of a sector.The formula for calculating the area of a sector is expressed as
A= r²β/2
where;
r is the radius. = 45cm
β is the central angle =84 degrees
Substitute
A = (45)²(84π)/360
A = 1483.65cm²
Hence the area of the sector to 3 significant figure is 1480cm²
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If I want to convert 4.42 kg into lbs, what is the starting place in terms of the conversion process?
To convert 4.42 kg into pounds, the starting place in the conversion process is to understand the conversion factor between kilograms and pounds.
The conversion factor between kilograms (kg) and pounds (lbs) is 1 kg = 2.20462 lbs. This means that 1 kilogram is equal to approximately 2.20462 pounds. To convert a given weight in kilograms to pounds, you need to multiply the weight in kilograms by the conversion factor.
In this case, you want to convert 4.42 kg into pounds. The starting place in the conversion process is to use the conversion factor:
4.42 kg * 2.20462 lbs/kg = 9.7314044 lbs
By multiplying the given weight in kilograms (4.42 kg) by the conversion factor (2.20462 lbs/kg), you find that 4.42 kg is approximately equal to 9.7314044 pounds. Therefore, when converting kilograms to pounds, the first step is to apply the appropriate conversion factor by multiplying the weight in kilograms by the conversion factor.
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Circle K sells many bags of potato chips, but the most popular bag of chips is Takis. They sell about 4 bags of Takis per hour. Today, Circle K has already sold 16 bags of Takis. Write a linear equation indicating the number of Taki bags Circle K will sell today. What is the dependent and independent variable
The linear equation representing the number of Takis bags Circle K will sell today is y = 4x + 16, where y is the dependent variable and x is the independent variable.
Circle K sells many bags of potato chips, but the most popular bag of chips is Takis. They sell about 4 bags of Takis per hour. Today, Circle K has already sold 16 bags of Takis. To represent this information as a linear equation, we can let y represent the total number of Takis bags sold today and x represent the number of hours Circle K has been open. The linear equation indicating the number of Takis bags Circle K will sell today is y = 4x + 16. The dependent variable is y (the total number of Takis bags sold) and the independent variable is x (the number of hours Circle K has been open).
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ITS TIMED HELP!!!
Assuming x and y are two odd numbers and x/y is an integer. Which of the following statements are true?
1: x + y is odd.
2: xy is odd.
3: x/y is odd.
4: x-y is odd.
A: 1 and 2 only.
B: 1 and 3 only.
C: 2 and 3 only.
D: 2, 3, and 4 only.
E: 2 and 4 only.
Answer:
C
Step-by-step explanation:
1: x + y is even. Try it. 3 + 5 = 8. 2x + 1 + 2y + 1 = 2x +2x + 2. That's even no matter what 2 odd numbers you use.
2: xy is again try it 3 * 5 = 15 which is odd. (2x + 1)(2y + 1) = 4xy + 2x + 2y + 1. The first 3 terms are even. The last one is odd. So xy is odd.
3. 9/3 = 3. Three should be true. The numerator is greater than the denominator. And x/y is given as an integer. So the statement should be true.
4. x - y is This can't be right. 2x + 1 - 2y - 1 = 2x + 2y. The result is even.
2 and 3 only
Last year, Scott opened an investment account with $8400. At the end of the year, the amount in the account had increased by 7.5%. How much is this increase in dollars? How much money was in his account at the end of last year?
Answer: 9,030$
8400 * 0.075 = 630
630 + 8400 = 9030$
Answer: $630 increase, $9030 in total
Step-by-step explanation: Using the formula Prt (Principal x Rate x Time)
Scott started with 8400 and %7.5 rate and 1 year, so (8400)(0.075)(1) = $630 in interest and 8400 + 630 = $9030 in Scott's account.
solve this x/5 = 2 1/2
Which of the following statements are true about the graph of f (x)=cot x? Select all that apply
A. (0,0) is a point on the graph. B. f ( x) İs undefined for nπ. where n is an integer. C. There is a vertical asymptote at x=π/2
D. F(x)is undefined when cos x = 0 E. All y-values are included in the range
Out of the given options the true statements about the graph of f(x) = cot(x) are B, C, and D.
B. f(x) is undefined for nπ, where n is an integer: The function cot(x) is defined as the ratio of cosine(x) to sine(x), which means it is undefined when sine(x) equals zero. This occurs at x = nπ, where n is an integer.
C. There is a vertical asymptote at x = π/2: As x approaches π/2, the value of cot(x) approaches positive infinity. Similarly, as x approaches -π/2, the value of cot(x) approaches negative infinity. This indicates the presence of vertical asymptotes at x = π/2 and x = -π/2.
D. F(x) is undefined when cos(x) = 0: The function cot(x) is undefined when cosine(x) equals zero. This happens at x = (2n + 1)π/2, where n is an integer.
A. (0,0) is a point on the graph: This statement is false. The value of cot(0) is undefined because it corresponds to dividing zero by zero, which is indeterminate.
E. All y-values are included in the range: This statement is false. The range of cot(x) is (-∞, -1) U (1, +∞), which means it does not include all possible y-values.
In conclusion, the true statements about the graph of f(x) = cot(x) are B, C, and D, while statements A and E are false.
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A city council consists of five Democrats and six Republicans. If a committee of six people is selected then find the probability of selecting four Democrats and two Republicans. The probability of selecting a six-person committee with four Democrats and two Republicans is
The probability of selecting a six-person committee as per given condition is equal to 0.1623 or 16.23%.
To calculate the probability of selecting four Democrats
And two Republicans in a six-person committee from a city council consisting of five Democrats and six Republicans,
Use the concept of combinations.
The total number of ways to form a committee of six people from a council of eleven five Democrats and six Republicans is
Using combination formula,
C(n, k) = n! / (k! × (n - k)!)
where n is the total number of items and k is the number of items chosen.
Here, select four Democrats and two Republicans,
Number of ways to choose four Democrats from five
C(5, 4)
= 5! / (4! × (5 - 4)!)
= 5
Number of ways to choose two Republicans from six,
C(6, 2)
= 6! / (2! × (6 - 2)!)
= 15
To find the total number of ways to form the committee with four Democrats and two Republicans, multiply the two results,
Total number of ways
= C(5, 4) × C(6, 2)
= 5× 15
= 75
The total number of ways to form a committee of six people from the city council is,
Total number of ways
= C(11, 6)
= 11! / (6! × (11 - 6)!)
= 462
Finally, calculate the probability by dividing the favorable outcomes (75) by the total number of outcomes (462),
Probability
= 75 / 462
≈ 0.1623
Therefore, the probability of selecting a six-person committee with four Democrats and two Republicans is approximately 0.1623 or 16.23%.
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a binomial experiment consists of 12 trials. the probability of success on trial 5 is 0.26. what is the probability of failure on trial 9?
The probability of failure on trial 9 is 0.74.
What is probability?
Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true. The probability of an event is a number between 0 and 1, where, roughly speaking, 0 indicates impossibility of the event and 1 indicates certainty.
The probability of failure on a trial is equal to 1 - the probability of success on that trial. Therefore, the probability of failure on trial 9 is 1 - 0.26 = 0.74.
Hence, the probability of failure on trial 9 is 0.74.
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Question 5
▼ <
>
A company makes a profit when it brings in more money than it pays out. The company only has enough
resources to make 8500 items in a quarter. Suppose a company's revenue in a quarter (the amount brought
in) can be modeled by R 195x, and its costs per quarter (the amount paid out) can be modeled by
C 160x+18000, where a is the number of items sold. How many items must be sold for the
-
=
company to make a profit?
The number of items that must be sold for the company to make a profit is 757.
Calulation of number of items sold:
R = 195x
C = 160x + 18000
Here R means the revenue
And, C means the cost
Now
We know that
Profit = R - C
Profit = Revenue - cost
=195x - (160x + 18000)
= 195x - 160x - 18000
= 35x -18000
Now solve the above equation
So,
35x - 18000 = 8500
x=757
Therefore,
x = 757
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Hurricane Andrew swept through southern Florida causing billions of dollars of damage. Because of the severity of the storm and the type of residential construction used in the semitropical area, there was some concern that the average claim size would be greater than the historical average hurricane claims of $24,000. Several insurance companies collaborated in a data gathering experiment. They randomly selected 84 homes and sent adjusters to settle the claims. In the sample of 84 homes, the average claim was $27,5000 with a population standard deviation of $2400. Is there sufficient evidence at a 0.02 significance level to support the claim that the home damage is greater than the historical average? Assume the population of insurance claims is approximately normally distributec. Compute the value of the test statistic.
The value of the t test is 13.36, we have to conclude that there is sufficient evidence that suggests that insurance adjustment was greater than $2400.
The hypothesis formulationH0: u = 24000
H1: u > 24000
This test is a right tailed testwe have n = 84 homes
bar x = 27500
s = 2400
Next we have to find the test statistic
The formula for this is given as
\(t = \frac{x-u}{s/\sqrt{n} }\)
When we out in the values we would have
\(t = \frac{27500-24000}{2400/\sqrt{84} }\)
This would give us the answeer of the t test as
t test = 13. 3658
We have alpha = 0.02
the degree of freedom = 84 - 1 = 83
we have to find tα/2, df
= ±2.0865
Given that the value of the test statistic is greater than critical value we would have to then reject the null hypothesis.
Hence the conclusion that we can make is that there is sufficient evidence that suggests that insurance adjustment was greater than $2400.
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plzz help me i need it ill mark you as brlanlest
Answer:
I believe that the answer is c or -9
Step-by-step explanation:
explain the relationship between combinations and winning a lottery. Think of another scenario that has a similar relationship with combinations.
The possibility of winning the lottery is determined by the possible number of combinations, this means there are many possible combination but only one wins.
What is a combination?In math, a combination refers to the possible way to arrange a set of items.
How are combiantions related to the lottery?In the lottery, each ticket has a unique combination of numbers, which determines the total number of tickets and the possibility to win the lottery. Moreover, only one specific combination will be equivalent to the winner combinaton.
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If the diagonals of a quadrilateral are congruent, is the quadrilateral always a rectangle?
Answer:
Yes
Step-by-step explanation:
The only quadrilaterals with congruent diagonals are squares and rectangles and squares are technically rectangles so the answer is yes.
If the diagonals of a quadrilateral are congruent. Then the quadrilateral is always a rectangle which is false.
What is a quadrilateral?The quadrilateral has four sides and four angles. The sum of internal angles is 360 degrees.
It is a polygon with four sides. The total interior angle is 360 degrees. A rectangle's opposite sides are parallel and equal, and each angle is 90 degrees. Its diagonals are all the same length and intersect in the center.
If the diagonals of a quadrilateral are congruent. Then the quadrilateral can be a square or a rectangle.
If the diagonals of a quadrilateral are congruent. Then the quadrilateral is always a rectangle which is false.
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i roll five fair dice. i tell you at least two dice landed on 4, 5, or 6. what is the probability that there are exactly 4 dice that landed on a 4, 5, or 6
Using binomial probability, the probability of having exactly 4 dice on 4, 5 or 6 is 5/32.
What is the probability that there are exactly 4 dice that landed on a 4, 5, or 6?Using binomial probability, we can calculate the probability that out of the 5 dice thrown, the probability of having exactly 4 dice on 4, 5 or 6 can be calculated as;
\(P(X=k) = C(n, k) * p^k * (1-p)^(^n^-^k^)\)
In the given data;
n = 5
k = 4
p = 3/6 = 1/2
Using the binomial probability formula, we can calculate:
P(X=4) = C(5, 4) * (1/2)⁴ * (1 - 1/2)⁵⁻⁴
P(X=4) = 5 * (1/2)⁴ * (1/2)¹
P(X=4) = 5 * (1/16) * (1/2)
P(X=4) = 5/32
Therefore, the probability that exactly 4 dice land on a 4, 5, or 6 when rolling five fair dice is 5/32.
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The following limit represents f'(a) for some function f and some value a.
limx→1(x80−1x−1)lim�→1(�80−1�−1)
a. Find the simplest function f and a number a.
b. Determine the value of the limit by finding f'(a).
To find the simplest function f and a number a, we can begin by simplifying the expression within the limit. We can use the formula for the difference of squares to rewrite the numerator as (x^40 + x^20 + 1)(x^20 - 1). Similarly, we can use the formula for the difference of cubes to rewrite the denominator as (x - 1)(x^2 + x + 1)(x^3 + x^2 + 1)(x^6 + x^3 + 1).
Canceling out the common factor of x - 1 in the numerator and denominator, we are left with:
limx→1(x^20 + x^10 + 1)(x^20 - 1) / (x^2 + x + 1)(x^3 + x^2 + 1)(x^6 + x^3 + 1)
To find the simplest function f, we can let f(x) = x^20 + x^10 + 1. Then, f'(x) = 20x^19 + 10x^9, so f'(1) = 30.
Therefore, we can rewrite the limit as:
limx→1 [f(x) - 1] / [(x - 1)(x^2 + x + 1)(x^3 + x^2 + 1)(x^6 + x^3 + 1)]
Using L'Hopital's rule or factoring, we can simplify the denominator to (1 + 1 + 1)(1 + 1)(1 + x + x^2)(1 + x^3 + x^6), which equals 9(1 + x + x^2)(1 - x + x^2)(1 + x^3 + x^6).
Plugging in f'(1) and simplifying, we get:
limx→1 [f(x) - 1] / [(9)(1 + x + x^2)(1 - x + x^2)(1 + x^3 + x^6)]
= [f'(1)] / [9(1 + 1 + 1)(1 + 1)(1 + 1 + 1)(1 + 1 + 1 + 1 + 1 + 1)]
= 30 / 1944
Therefore, the value of the limit is 30 / 1944.
a. To find the simplest function f and the number a, we first recognize that the given limit represents the derivative of a function f at a point a:
lim(x→1) [(x^80 - 1) / (x - 1)]
We can use the definition of a derivative, which is:
f'(x) = lim(h→0) [(f(x + h) - f(x)) / h]
Comparing this with the given limit, we have:
f(x + h) = x^80
f(x) = 1
Here, x + h = x^80 and x = 1. So, f(1) = 1. Since f'(a) is given at x = 1, we have:
a = 1
The simplest function f is a power function of the form f(x) = x^n. To find n, we consider the fact that f(1) = 1:
1^n = 1
The simplest solution is when n = 1, so f(x) = x.
b. Now, we determine the value of the limit by finding f'(a). Since we found that f(x) = x, we can calculate its derivative:
f'(x) = d(x)/dx = 1
Now, we can find f'(a) by substituting a = 1:
f'(1) = 1
So, the value of the limit is 1.
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what if the number of debilitating network viruses detected in a day at the firewalls of an internet service provider within a certain geographic region is fueling a possible management decision to upgrade the detection system. the decision will be made based on the results of the following data analysis. the mean number of network viruses detected in a day is 3.0. what is the probability that in any given day one network viruses will be detected?
Using the Poisson distribution formula, the probability of detecting a single network virus on a given day is approximately 0.1494 or 14.94%.
For the probability of seeing one network virus on any given day, we can use the Poisson distribution formula:
P(X = x) = (e^-λ * λ^x) / x!
Where:
P(X = x) is the probability of detecting x network viruses in a day
e is the mathematical constant e (approximately equal to 2.71828)
λ is the mean number of network viruses detected in a day
x is the number of network viruses detected in a day
Given that the mean number of network viruses detected in a day is 3.0, we have:
λ = 3.0
Now, the probability of detecting one network virus in a day, we plug x = 1 into the formula:
P(X = 1) = (e^-3.0 * 3.0^1) / 1!
= (0.0498 * 3.0) / 1 ⇒ 0.1494
Therefore, the probability of detecting one network virus on any given day is approximately 0.1494 or 14.94%.
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The rectangle has a width of 10 units and a length of 24 units. What is the area of the unshaded part of the rectangle
Answer:
Step-by-step explanation:
120
Write down null hypothesis and alternative hypothesis in symbols
and words, respectively, for the following example:
It was reported that the mean GPA of students in a university is
5.0 (out of 7.0).
The null hypothesis is found as: H0: μ = 5.0
The alternative hypothesis is found as: Ha: μ ≠ 5.0
The null hypothesis, denoted as H0, states that there is no significant difference between the mean GPA of students in the university and the reported value of 5.0 (out of 7.0).
In symbols, the null hypothesis can be represented as:
H0: μ = 5.0
The alternative hypothesis, denoted as Ha, states that there is a significant difference between the mean GPA of students in the university and the reported value of 5.0 (out of 7.0).
In words, the alternative hypothesis can be stated as:
Ha: μ ≠ 5.0
Where μ represents the population mean GPA. The alternative hypothesis indicates that there is a difference, either higher or lower, between the mean GPA of students in the university and the reported value.
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Which expression converts 45° to radians?
45 degrees times 180 degrees
45 degrees times StartFraction 180 degrees Over pi EndFraction
45 degrees times StartFraction pi Over 180 degrees EndFraction
45 degrees times pi
Answer:
45 degrees times StartFraction pi Over 180 degrees EndFraction
Determine the x cornponent of velocity when the particle is at y=8ft. Express your answer in feet per second to three significant figures. A particle moves along the curve y=e
2x
such that its velocity has a constant magnitude of v=5ft/s. Part B Determine the y component of velocity when the particle is at y=8ft Express your answer in feet per second to three significant figures.
Given that the particle moves along the curve y=e^(2x) and the magnitude of its velocity is v=5ft/s.A particle moving along a curve is given by:y = e^(2x)Taking the derivative of this function with respect to time t will give the velocity function as follows;dy/dt = 2e^(2x) dx/dt ............................... (1)We know that the magnitude of velocity is constant v = 5ft/s.
Therefore, we can use the velocity function to solve for dx/dt and dy/dt as shown below;dx/dt = v/√(4e^(4x)) = v/(2e^(2x)) ................ (2)Substituting equation (2) into (1), we get;dy/dt = 2e^(2x) dx/dt = 2e^(2x) * v/(2e^(2x))=v = 5 ft/sHence, the y-component of velocity when the particle is at y = 8 ft is 5 ft/s.
Therefore, we can use the slope of the curve at point y = 8 ft to find the angle of the slope, then use trigonometry to solve for the x-component of velocity.
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Find the values of
x
and
y
.
Answer:
x = 50°y = 130°Step-by-step explanation:
The sum of exterior angles of a pentagon is 360°.
take away the know angles and find x
360 - 93 - 71 - 84 - 62 = 50 (value of x)
180 - 50 = 130° (value of y)
Solve the quadratic equation 9x2 − 16 = 0
The resultant value of x for the given quadratic equation 9x² − 16 = 0 is x = ±4/3.
What is a quadratic equation?Any equation in algebra that can be written in standard form where x stands for an unknown value, where a, b, and c stand for known values, and where a 0 is true is known as a quadratic equation.
An algebraic equation of the second degree in x is a quadratic equation.
The quadratic equation is written as ax² + bx + c = 0, where x is the variable, a and b are the coefficients, and c is the constant term.
So, we have the quadratic equation:
9x² − 16 = 0
Now, solve as follows:
a = 9
b = 0
c = -16
Now,
c = -0 ± √0² - 4-9(-16)/2*9
x = ±4/3
Therefore, the resultant value of x for the given quadratic equation 9x² − 16 = 0 is x = ±4/3.
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Line v has an equation of y= – 2x+5. Perpendicular to line v is line w, which passes through the point (6, – 5). What is the equation of line w?
2y = x -8 is the equation of line w.
What is a Linear equation?A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. Sometimes, the aforementioned is referred to as a "linear equation of two variables," with y and x serving as the variables.
Given, Line v has an equation of y= – 2x+5.
also given Perpendicular to line v is line w
Slope of the perpendicular line w = -1/(Slope of the line v)
From Slope intercept form
y = mx + c
where m is the slope
Slope of the perpendicular line w = -1/ (-2)
The slope of the perpendicular line w = 1/2
Thus, the equation of a line:
y = 1/2x + c
Since, w passes through the point (6, – 5).
Thus,
-5 = 1/2 * 6 + c
c = -8
So, the equation of line y = 1/2x -8
Therefore, the Equation of line w is 2y = x -8.
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Evaluate the following expression: (show work)
3x^2 – 4^3 – 4^3 – z
If x =3, y =–2 and z=-5
Using four methods to teach ANOVA, do these four samples differ enough from each other to reject the null hypothesis that type of instruction has no effect on mean test performance? 10 points Method to teach ANOVA Mean SD N method 1 (single teacher) 4.85 0.360 34 method 2 (co-teachers) 4.61 0.715 31 method 3 (computer) 4.61 0.688 36 method 4 (lab) 4-38 0.793 32 Since we are comparing more than 2 groups, we will use ANOVA to test whether the data provide evidence that SAT score is related to study strategy. The following hypotheses were tested: H: 4 = H2 = M3 = 44 H: 4, H,, Mg, H, are not all equal The analysis was run on the data and the following output was obtained: Source SS df MS F р Teaching Method 130 3 43-33 86.66 < 0.001 Error 8 16 0.50 Total 138 19 Which of the following is a valid conclusion based on this output? A. The data provide strong evidence that the four mean scores (representing the four teaching strategies) are not all equal. B. The data do not provide sufficient evidence that scores are related to teaching strategy
This conclusion is based on the ANOVA analysis conducted, which resulted in a p-value of less than 0.001. This low p-value indicates that there is a statistically significant difference between the mean test performances of the four teaching methods, leading us to reject the null hypothesis that the type of instruction has no effect on mean test performance.
Based on the output, the null hypothesis is rejected as the p-value is less than 0.05. Therefore, there is sufficient evidence to conclude that the four mean scores are not all equal and that the type of instruction has an effect on mean test performance. Therefore, the valid conclusion is A.
A. The data provide strong evidence that the four mean scores (representing the four teaching strategies) are not all equal.
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1. There is a laser pointing towards the top of a
building that is 850 ft. tall. The laser is 40 ft
away from the base of the building. Determine
the angle between the laser beam and the
building.
The angle between the laser beam and the building is given as follows:
2.69º.
What are the trigonometric ratios?The three trigonometric ratios are defined as follows:
Sine of angle = length of opposite side divided by the length of the hypotenuse.Cosine of angle = length of adjacent side divided by the length of the hypotenuse.Tangent of angle = length of opposite side divided by the length of the opposite side.For this problem, we have that:
The adjacent side to the angle is of 40 ft.The opposite side to the angle is of 850 ft.Hence the angle is obtained applying the tangent function as follows:
tan(x) = 40/850
x = arctan(40/850)
x = 2.69º.
More can be learned about trigonometric ratios at brainly.com/question/24349828
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