A significant number of accidents are caused by vehicle equipment failure such as the following except Operative lights.
Operative lights are also called Surgical lights which are medical equipment devices used to illuminate the operating field during surgery.
Surgical lights are referred to by many names: Operating lights, OR lights, operating room lights, surgical lamps, and surgical light heads.
The primary function of surgical lighting is to illuminate the operative site on and/or within a patient for ideal visualization by OR staff during a surgical procedure.
With proper lighting, operating room staff can achieve a higher level of efficacy during surgery and reduce the risk of complications.
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a p-value of 0.04 obtained from a two-tailed t-test means that there is a % chance that the obtained results are due to . given the conventional significance level, you would reject the hypothesis.
A p-value of 0.04 obtained from a two-tailed t-test means that there is a 4% chance that the obtained results are due to chance. Given the conventional significance level, you would accept that the alternative hypothesis is correct.
If the null hypothesis is correct and the study is conducted several times and exactly as it was intended to be done, the P=0.04 indicates that.
In statistical hypothesis testing, it is necessary to state the alternative hypothesis, which is the statistical difference, and the null hypothesis, which is the absence of any statistical difference between the groups.
The test statistic, which is a uniformly scaled quantitative measure of the group difference, is then calculated.
The test statistic result is expected to be modest under the null hypothesis, but there is a small risk that it could accidentally be large. Once we get the test statistic, we use the test statistic to compute the p-value.
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The complete question is:
A p-value of 0.04 obtained from a two-tailed t-test means that there is a ____ % chance that the obtained results are due to _______. Given the conventional significance level, you would accept that the _________ hypothesis is correct.
( HELP ME PLS )
315% of 26.2 is what?
Answer:
Solution:
315 percent of 26.2=82.53
Step-by-step explanation:
To calculate 315 percent of the number 26.2, we must create a ratio from which we can easily determine the value we are looking for.
First we create two simple equations with data that we know.
26.2 equals 100%, so we can save it as 26.2 = 100%
The value we are looking for can be called x
Now we know that x is 315 of the output value, so we can write it as x = 315.
So we have two simple equations:
1) 26.2=100%
2) x=315%
When we compare these two equations, we get:
26.2/x=(100%)/(315%)
Now we just have to solve the simple equation.
We calculate 315 percent of 26.2 :
26.2/x=100/315
(26.2/x)*x=(100/315)*x
26.2=0.31746031746032*x
26.2/0.31746031746032=x
82.53=x
x=82.53
Solution:
315 percent of 26.2=82.53
In a classroom, there are 18 boys and 22 girls. What is the ratio of girls to boys? Always simplify ratios!!
The ratio of girls to boys would be = 11:9
what is a ratio?A ratio is defined as the expression that is used to show the relationship between two different variables.
The number of boys represented = 18 boys
The number of girls represented = 22 girls
To calculate the ratio of girls to boys the following is done;
22 : 18 ( divide through by 2)
11. : 9
Therefore the ratio of girls to boys in the classroom = 11:9
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I need help giving out how to find the IQR of a data set
What is 6 x 3/5 as a fraction
Answer:
18/5 or 3 3/5
Step-by-step explanation:
Turn 6 into a fraction -> 6/1
Hence, 6/1 × 3/5
Multiply the numerators and denominators.
(6×3)/(1×5) = 18/5
Simplify = 3 3/5
Answer:
= 18/5
Step-by-step explanation:
6 × 3 = 18
Then:
6 × 3/5
= 18/5
...
Please help thanks!
Please help, ignore the 7
Answer: 17
Step-by-step explanation:it goes -1 then x2 so after ten is 9 then 18 then 17
Classify each function as a power function, root function, polynomial (state its degree), rational function, algebraic function, trigonometric function, exponential function, or logarithmic function.
(a) f(x) = log2(x) (b) g(x) = ∜x (c) h(x) = 2x^3/(1 - x^2) (d) u(t) = 1 - 1.1t + 2.54t^2 (e) v(t) = 5^t (f) w(θ) = sin θ cos^2 θ
(a) log₂(x) is a logarithmic function, (b) ∜x is a root function, (c) 2x^3/(1 - x^2) is a rational function, (d) 1 - 1.1t + 2.54t^2 is a polynomial of degree 2, (e) 5^t is an exponential function and (f) sin θ cos^2 θ is a trigonometric function.
A power function has the form f(x) = x^n, where n is a constant.
A root function has the form f(x) = √x or f(x) = x^(1/n), where n is a constant.
A polynomial is an algebraic function that can be written in the form f(x) = a_n x^n + a_{n-1} x^{n-1} + ... + a_2 x^2 + a_1 x + a_0, where a_i are constants and n is the degree of the polynomial.
A rational function is a function that can be written as the ratio of two polynomials, i.e., f(x) = (p(x))/(q(x)), where p(x) and q(x) are polynomials and q(x) ≠ 0.
An algebraic function is a function that can be expressed as the solution to a polynomial equation, i.e., it can be written as a polynomial, a root, or a combination of polynomials and roots.
A trigonometric function is a function that involves the ratios of sides in a right triangle, such as sine, cosine, tangent, etc.
An exponential function has the form f(x) = a^x, where a is a positive constant greater than 1.
A logarithmic function has the form f(x) = logₐx, where a is a positive constant greater than 1.
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Select the figure with an angle of 300°
on a circle in standard position.
The figure of the coterminal angle of 300° on a circle in standard position is attached in the solution.
What are Coterminal angles?Coterminal angles are angles in standard position (angles with the initial side on the positive x-axis) that have a common terminal side.
Coterminal angles are two angles in the standard position where one angle is a multiple of 360 degrees larger or smaller than the other. That is, if angle A has a measure of M degrees, then angle B is co-terminal if it measures M +/- 360n, where n=0,1,2,3, ...
Starting from that position, 300° is drawn by moving around the circle to the left "counter-clockwise" and ending at the 300° measure.
The negative coterminal angle is the angle that would end in the same place if we went to the right instead of right on the circle. It is equal to the original 300° minus 360°
Coterminal angles Ac to angle A may be obtained by adding or subtracting k⋅360° or k × (2π)
Hence, Ac = A + k⋅360°, if A is given in degrees.
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3w-4z=8 2w+3z=-6 solve.
Answer:
w = 0, z = − 2
Step-by-step explanation:
The solution for the given system of equations is: w = 0 and z = -2.
What is a system of equations?
A system of equations is a collection of two or more equations with the same set of unknowns. For a system to have a unique solution, the number of equations must equal the number of unknowns.
The equations are as follows:
[tex]3w-4z=8[/tex]-------- (1)
[tex]2w+3z=-6[/tex]-------(2)
The solution for the above equation,
Multiply the equation 1 by 2,
⇒([tex]3w-4z=8[/tex] )*2 --------- (3)
Multiply the equation 2 by 3,
⇒([tex]2w+3z=-6[/tex] )*3 --------(4)
Now solve equations 3 and 4 to get,
⇒ [tex]-17z=34[/tex]
⇒ [tex]z= -2[/tex]
Now substitute the value of z in equation 1,
⇒ [tex]3w-4(-2)=8[/tex]
⇒ [tex]\\3w=0[/tex]
⇒ [tex]w=0\\[/tex]
Hence we can conclude that the solution for the given system of equations is w = 0 and z = -2.
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Consider a one-sample two-sided z-test for a population proportion. Given that conditions for inference are met, which of the following is closest to the P-value for a test statistic of -1.86 ? A. 0.0157 B. 0.0314 C. 0.0628 D. 0.9371 E. 0.9686
The closest value to the P-value for a test statistic of -1.86 is 0.0628. Hence, option C is the correct answer to this question.
The P-value for a test statistic of -1.86 in a one-sample two-sided z-test for a population proportion can be found using a standard normal table or a calculator with a built-in function for z-scores. It represents the probability of obtaining a test statistic as extreme or more extreme than the one observed, under the assumption that the null hypothesis is true.
In this case, the test statistic of -1.86 is on the left tail of the standard normal distribution, since it is negative and represents a deviation to the left of the mean. To find the P-value, we would need to look up the area under the standard normal curve to the left of -1.86.
Using a standard normal table, we can see that the area under the curve to the left of -1.86 is approximately 0.0314. However, since this is a two-sided test, we also need to consider the area in the right tail, which is also 0.0314. Therefore, the P-value for a test statistic of -1.86 in a one-sample two-sided z-test for a population proportion is approximately 0.0314 + 0.0314 = 0.0628.
Hence, the answer to the P-value is 0.0628.
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Find the intervals on which the given function is increasing and the intervals on which it is decreasing. (Enter your answers using interval notation.) h(x) = (x + 2)^2 x (x-7)^1/3
The intervals on which the function is increasing are: (-∞, -2) and (7, ∞), and the intervals on which the function is decreasing are: (-2, 7). In interval notation, this is written as (-∞, -2), (7, ∞) and (-2, 7).
The given function is h(x) = (x + 2)^2 x (x-7)^1/3. This is a polynomial function with two terms. The first term, (x + 2)^2, is a quadratic function, and the second term, (x-7)^1/3, is a cube root function.
We can use the derivative of the function to determine the intervals on which the function is increasing and decreasing. Taking the derivative of the function yields: h'(x) = 2(x + 2)(x - 7)^1/3 + (x + 2)^2 x (1/3)(x - 7)^-2/3. Setting the derivative equal to zero, we can solve for x and find where the function is not increasing or decreasing. Solving this equation yields x = -2 and x = 7, the points of inflection.
Therefore, the intervals on which the function is increasing are: (-∞, -2) and (7, ∞), and the intervals on which the function is decreasing are: (-2, 7). In interval notation, this is written as (-∞, -2), (7, ∞) and (-2, 7).
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Which of the following is most likely the next step in the series?
The geometric figure which is most likely the next step in the series include the following: C. heptagon.
What is a series?In Mathematics, a series can be defined as a sequence of real and natural numbers in which each term differs from the preceding term by a constant numerical quantity.
By critically observing the given series, we can logically deduce that the first geometric figure represent a square with four (4) sides, the second geometric figure represent a pentagon with five (5) sides, the third geometric figure represent a hexagon with six (6) sides. This ultimately implies that, each of the sides of the geometric figure increases by one (1).
In this context, the next geometric figure in the series must be a heptagon with seven (7) sides.
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let $n$ be a positive integer such that every digit in $n$ is a $1$ or a $2,$ and $n$ is divisible by both $4$ and $9.$ what is the smallest possible value of $n?$ https://web2.0calc/questions/
The smallest possible number with digits 1 and 2, divisible by 4 and 9 is 22212.
A number that is divisible by both 4 and 9 must be divisible by their least common multiple (LCM), which is 36. To find the smallest possible value of n such that every digit is a 1 or a 2 and the number is divisible by 36, we can start with the smallest possible number that is divisible by 36 and only contains 1s and 2s, which is 11112.
As the number is divisible by 4 and contains only 1 and 2, the last two digits is 12. Now it is divisible by 9 so sum of digits is 9 or multiple of 9.
1 + 2 = 3
So we need digits sum equal 9-3 = 6 to be divisible by 9, so number is 22212.
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A salesperson engaged in activities that constitute violations of the NRS 645, including blockbusting and discrimination on the basis of disability. The salesperson also cashed a $25,000 earnest money check from a prospective buyer and used the proceeds to buy a new car. The salesperson’s employing broker was unaware of all of these activities. What is the impact on the salesperson’s broker when the salesperson’s violations are brought to the attention of the real estate commission?
The impact on the salesperson’s broker when the salesperson’s violations are brought to the attention of the real estate commission is that the employing broker may be disciplined by the real estate commission for failure to supervise.
What is real estate commission?Real estate commission is defined as the agency that is responsible for the stating the rules and regulations regarding the selling and acquisition of land and other related properties.
The rules and regulations enacted by them helps to prevent different forms of violations which includes blockbusting and discrimination on the basis of disability.
Therefore, salesperson’s broker would be disciplined by the real estate commission for failure to supervise the salesperson.
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Use the algebraic tests to check for symmetry with respect to both axes and the origin.
y = x^4 - x^2 + 3
Axis of Symmetry: This function is not symmetric with respect to the x-axis, y-axis, or the origin.
To check for symmetry with respect to both the x-axis and the y-axis, we need to check whether the function is even or odd. To do this, we can substitute -x for x in the equation and check if the equation remains the same.
y = x^4 - x^2 + 3
y = (-x)^4 - (-x)^2 + 3
y = x^4 - x^2 + 3
Since the equation remains the same, the function is neither even nor odd and therefore is not symmetric with respect to either the x-axis or the y-axis.
To check for symmetry with respect to the origin, we need to check if the equation is symmetric when x and y are both substituted with -x or -y.
y = x^4 - x^2 + 3
y = (-x)^4 - (-x)^2 + 3
y = x^4 - x^2 - 3
Since the equation is not the same, the function is not symmetric with respect to the origin.
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What are the coordinates of the point on the directed line segment from ( − 10 , 9 ) (−10,9) to ( − 4 , 3 ) (−4,3) that partitions the segment into a ratio of 1 to 5 help plss
We can find the coordinates of the point that partitions a line segment into a ratio of 1 to 5 by using the formula:
(x, y) = (x1 + r * (x2 - x1), y1 + r * (y2 - y1))
Where (x1, y1) and (x2, y2) are the coordinates of the endpoints of the line segment, and r is the ratio of the distance from the starting point to the point of interest, to the total distance of the line segment. In this case, r = 1/(1 + 5) = 1/6.
We know the coordinates of the two endpoints of the line segment:
(x1, y1) = (-10, 9)
(x2, y2) = (-4, 3)
So, we can substitute these values into the formula and find the coordinates of the point that partitions the line segment into a ratio of 1 to 5:
(x, y) = (-10 + (1/6) * ((-4) - (-10)), 9 + (1/6) * (3 - 9))
= (-10 + (1/6) * (-6), 9 + (1/6) * (-6))
= (-10 -1/6, 9 -1)
= (-10/6 -1/6, 3/2 -1)
= (-16/6, 3/2 -1)
= (-8/3,-1/2)
So, the coordinates of the point on the directed line segment from (-10, 9) to (-4, 3) that partitions the segment into a ratio of 1 to 5 is (-8/3,-1/2)
It is important to notice that this point is a vector and not a point in the Cartesian plane
(a) Describe a in words a sequence of transformations that maps AABC to AA'B'C'
(b) Write an ordered-pair rule for each transformation in the sequence.
Transformation includes changing the position of a shape.
The sequence of metamorphosis is 90 degrees counterclockwise gyration, followed by a vertical restatement to the right by 2 units.
What's meant by sequence?
A grouping of two or further particulars in a logical sequence. The following arrangement of two or further effects chronological arrangement. an arrangement of analogous particulars or generalities in chronological sequence. The length of the sequence is determined by the number of particulars. In discrepancy to a set, the same particulars might appear further than formerly in a sequence at colorful points, and unlike a set, the order is important. The formal description of a series is a function from natural figures to the rudiments in each position. An listed family, which is a function from any indicator set, can be allowed of as a conception of the idea of a sequence.
The ordered brace- rule for each are :
(x,y)⇒ (-y,x) and (x,y)⇒(x+2,y)
The sequence of metamorphosis.
From the figure, we observed that ABC was rotated and also restated
So, the sequence of metamorphosis on ABC are
90 degrees counter clockwise gyration.
Vertical restatement to the right by 2 units.
The ordered brace rule :
When a point is rotated 90 degrees counter clockwise, the rule of metamorphosis is :
x, y)->(- y, x)
When a point is restated 2 units right, the rule of metamorphosis is :
x, y)->( x 2, y)
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Transformation includes changing the position of a shape.
The sequence of metamorphosis is 90 degrees counter clockwise gyration, followed by a vertical restatement to the right by 2 units.
What's meant by sequence?A grouping of two or further particulars in a logical sequence.The following arrangement of two or further effectschronological arrangement. an arrangement of analogous particulars or generalities in chronological sequence.The length of the sequence is determined by the number of particulars.In discrepancy to a set, the same particulars might appear further than formerly in a sequence at colorful points, and unlike a set, the order is important.The formal description of a series is a function from natural figures to the rudiments in each position.An listed family, which is a function from any indicator set, can be allowed of as a conception of the idea of a sequence.The ordered brace- rule for each are :
(x,y)⇒ (-y,x) and (x,y)⇒(x+2,y)
The sequence of metamorphosis.
From the figure, we observed that ABC was rotated and also restated
So, the sequence of metamorphosis on ABC are
90 degrees counter clockwise gyration.
Vertical restatement to the right by 2 units.
The ordered brace rule :
When a point is rotated 90 degrees counter clockwise, the rule of metamorphosis is :
x, y)->(- y, x)
When a point is restated 2 units right, the rule of metamorphosis is :
x, y)->( x 2, y)
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convert 1.2 meters to millimeter. please remember to use significant figures. do not answer in scientific notation.
Millimeter and meter are units of length. 1.2 meters are equal to 1200.O millimeters. Significant figures means writing all the certain digit along with an uncertain or estimated digit.
The SI unit of length is meters. There are different units like millimeters, centimeters, kilometers, inches etc. All these values are interconvertible.
1 Meter = 100 centimeters
1 centimeter = 10 meter
So 1 meter = 100× 10 = 1000 millimeter.
So 1.2 meter = 1.2× 1000 = 1200 millimeters.
1200 has only two significant. To increase the number of significant figures we can add two decimal places. 1200.00 have 6 significant figures.
So 1.2 meters is 1200.00 millimeter.
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PLEASE HELP SOON! :)
Multiply and simplify. ( 4x - 7 ) ( x + 5 )
What is the answer? Fill in the blanks in standard form, from left to right.
4x^? + ?x-?
blank 1: enter number
blank 2: enter number
blank 3: enter number
Q. 2
Multiply and simplify. ( 6x - 5y ) ( 2x^2 - 7xy - 8y^2 ) What is the answer?
1. 12x^3 - 52x^2y - 13xy^2 + 40y^3
2. 12x^3 - 42x^2y - 48xy^2 + 40y^3
3. 12x^3 - 10x^2y - 35xy^2 + 40y^3
4. 12x^3 - 42x^2y - 35xy^2 + 40y^3
Answer:
The answer to your question is no 1 that is
12x^3 - 52x^2y - 13xy^2 + 40y^3
5 Now, perform each of the calculations indicated. Please refer to the financial formulas section of the instructions for Major Assignment 3, where you will find the equations for the Compound Interest Formula,
Future Value of Periodic Payments Formula, and Loan Payment Formula to use for the final calculation in the Sponsorship, Fundraising, and Loan Payment sections below, respectively. Important Note: for these
calculations, you MUST use direct calculation formulas, and you MAY NOT use built-in Excel functions to calculate these values.
Format all amounts (in the gold-shaded cells) as Currency with the $ symbol and 2 decimal places, and all n and t entries (in the green-shaded cells) as Number with 0 decimals.
Bring your 5-year projected budget total
forward from the Project Budget and Projection
sheet
8 Loan Payment (determine the
5-year projected budget total is brought forward from the Project Budget and Projection sheet, using an Excel formula.
How can you determine a recurring payment's future value?
P is equal to PMT [((1 + r)n - 1)/r]
Taking into account a certain amount of compounded interest earnings that progressively accumulate during the measurement period, this figure represents the sum that a stream of future payments will increase to.
One of the financial functions, FV, determines the investment's future value using a constant interest rate. Future Value (FV )can be used with either a series of regular, recurring payments or a single, one-time payment. To determine the future worth of a sequence of payments, use the Excel Formula Coach.
Your interest rates correctly match the corresponding entries from the table for theyears and months given.Your 5-year projected budget total is brought forward from the Project Budget andProjection sheet, using an Excel formula.
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2. An Olympic sized pool holds 6.6 x 105 gallons. How many liters is that? (1 gallon = 3.79 Liters)
a. 1.7 x 105 L
b. 2.5x 106 L
c. 1.7 x 104 L
d. 2.5 x 107 L
It will take 51 days to fill the Olympic sized pool.
What is relation between time and work?Time and work have a relationship that is
Work Completed is equal to Time x Rate of Work.
Alternately, Rate of Work = Time Taken / 1.
Alternatively, Time Taken = 1 / Rate of Work
Considering that,
Pool volume is 6.6043 x 105 gallons, or 6,600,430 gallons.
9 litres of water are delivered through a hose every minute.
Therefore, the amount of water delivered by hose every hour is equal to (9 * 60) gallons.
Water provided by hosen each day is equal to (9 * 60 * 24) gallons, or 12,960 gallons.
Thus, the amount of time needed to fill the pool is equal to 6,600,430/12960.
There are 50.9 days needed to fill the pool.
51 days were needed to fill the swimming pool.
The Olympic-sized pool will therefore fill in 51 days.
The Complete Question is Olympic sized pool.
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24-hour digital clock is gaining three minutes every hour,if you set it to the correct time at 6 p.m. on Saturday,when will it show the correct time again?
after 20 hours the clock will show 3*20 = 60 min = 1 hr more
since the clock is analogue after 12 hours it will show the same time hat is 6 am and 6 pm are shown the same way.
after 20*12 = 240 hr = 10 days the clock will show 12 hr more but since 6 am and 6 pm are shown the same after 240 hr = 10 days the clock will show the correct time again.
the correct time will be shown on Monday 6 pm.
P(a)=.40 p(b)=.50 P(A
and b )=.10. Whats p(b/a)
Answer:
The probability of (B|A) is 0.25 which is correct option(B).
What is probability?
The probability is defined as the possibility of an event is equal to the ratio of the number of outcomes and the total number of outcomes.
P(A)=0.40
P(B)= 0.50
P(A ∩ B) = 0.10
In order to find the probability of (B|A),
Condi
Step-by-step explanation:
Which of the following is the equation that represents the graph?
[tex]a)y=-\frac{2}{3}* -6\\b)y=-\frac{3}{2}*-6\\c)y=-\frac{2}{3} *-4\\d) y=-\frac{3}{2}*-4[/tex]
The linear function that models the graph is given as follows:
a) y = -2x/3 - 4.
How to define the linear function?The slope-intercept definition of a linear function is given as follows:
y = mx + b.
In which:
m is the slope, representing the rate of change.b is the intercept, representing the value of y when x = 0.The graph crosses the y-axis at y = -4, hence the intercept b is obtained as follows:
b = -4.
When x increases by 6, y decays by 4, hence the slope m is obtained as follows:
m = -4/6
m = -2/3.
Hence the function is defined as follows:
y = -2x/3 - 4.
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what is the converse of the following conditional statement? "if two angles form a linear pair, then they are supplementary angles." if two angles are supplementary angles, then they form a linear pair. if two angles do not form a linear pair, then they are not supplementary angles." if two angles are not supplementary angles, then they do not form a linear pair. two angles form a linear pair if and only if they are supplementary angles.'
If two angles form a linear pair, then they are supplementary.
This is because it is not necessary for angles to form a linear pair for them to be supplementary. Angles can be supplementary even if they do not form a linear pair.
if two angles do not form a linear pair, then they are not supplementary angles
Supplementary angles do not have to be , whereas a linear pair must be adjacent and create a straight line. So, if two angles do not form a linear pair, then they are not supplementary .
if two angles are not supplementary angles, then they do not form a linear pair. Supplementary angles do not have to be adjacent, whereas a linear pair must be adjacent and create a straight line. So, , supplementary angles are not always linear pair . However, linear pairs are always supplementary.
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If two angles form a linear pair, then they are supplementary.
This is because it is not necessary for angles to form a linear pair for them to be supplementary. Angles can be supplementary even if they do not form a linear pair.
if two angles do not form a linear pair, then they are not supplementary angles
Supplementary angles do not have to be , whereas a linear pair must be adjacent and create a straight line. So, if two angles do not form a linear pair, then they are not supplementary .
if two angles are not supplementary angles, then they do not form a linear pair. Supplementary angles do not have to be adjacent, whereas a linear pair must be adjacent and create a straight line. So, , supplementary angles are not always linear pair . However, linear pairs are always supplementary.
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Which relation is not a function?
OAX 126 18 24 36
y 6 12 6 30 24
B. ((7,3), (3, 7), (1, 5), (5, 4), (0, 6))
OC ((6.5) (3, 2), (2, 4), (6, 3), (1, 0))
OD
23
C ((6.5) (3, 2), (2, 4), (6, 3), (1, 0)) , this relation is not a function
Which relation is not a function?C ((6.5) (3, 2), (2, 4), (6, 3), (1, 0)) is not a function because it does not pass the vertical line test.
The vertical line test states that if a vertical line crosses the graph of a relation more than once, then the relation is not a function.
In this example, a vertical line drawn at x=6.5 will cross the graph twice, at (6.5, 3) and (6.5, 2).
Since a vertical line passes the graph twice, it does not pass the vertical line test and is not a function.
The theory used in this question is the Vertical Line Test,
which states that if a vertical line crosses the graph of a relation more than once, then the relation is not a function.
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C ((6.5) (3, 2), (2, 4), (6, 3), (1, 0)) , this relation is not a function
What relationship doesn't function?Because C ((6.5) (3, 2), (2, 4), (6, 3), and (1, 0) fail the vertical line test, they are not functions.
According to the vertical line test, a relation is not a function if a vertical line crosses its graph more than once.
A vertical line drawn at x=6.5 in this example will cross the graph twice at (6.5, 3) and (6.5, 2).
A vertical line fails the vertical line test and is not a function because it traverses the graph twice.
The Vertical Line Test is the hypothesis employed in this query.
which implies that a vertical line crossing a relation's graph more than once is a sign that the relation is not a function.
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susan is conducting a survey about the electric bills of households in her city. from the electric company, she found that the population mean is $98.75 with a standard deviation of $10.45. susan has a sample size of 60. complete the equation that susan can use to find the interval in which she can be 68% sure that the sample mean will lie. 98.75 88.3 109.2 60 10.45 7.75 reset next
As per the given standard deviation, the interval in which she can be 68% sure that the sample mean will lie is 98.75 ± 10.45/ √60
In math the term called standard deviation is defined as a statistic that measures the dispersion of a dataset relative to its mean and is calculated as the square root of the variance.
Here we have given that the population mean is $98.75 with a standard deviation of $10.45 and the a sample size of 60.
Now, here we need to find the equation that Susan can use to find the interval in which she can be 68% sure that the sample mean will lie.
Here the distribution of the sample mean is approximately normal distribution with mean $98.75 and standard deviation approximately written as 10.45/√60
Here we have Symbolically written as,
=> X~ N(98.75, 10.45/√60) 2
Here by using empirical rule, then we find the limits for sample mean for which we're 68% sure that the sample mean will lie in that interval as one standard deviation away from its mean, then it can be written as
=> P (98.75 -10.45/√60 < x <98.75 +10.45/√60) ≈ 68%
Hence the equation is written as
=>98.75 ± 10.45/ √60
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HELP ASAP
14. Chung wants to determine the favorite hobbies.
among the teachers at his school. How could he
generate a representative sample? Why would it
be helpful to generate multiple samples?
Chung is going to be able to get the representative sample by carrying out a random selection.
It would be helpful to get the multiple samples because it is a way w=of getting the true representation of sample.
Why would it be helpful to generate multiple samples?Chung could generate a representative sample by randomly selecting a group of teachers from the school population and surveying them about their hobbies.
It would be helpful to generate multiple samples because, with only one sample, there's always a chance that the sample is not truly representative of the population. By generating multiple samples, Chung can compare the results and see if there is a consistent pattern among the samples, which would increase the likelihood that the results are representative of the population.
Additionally, by comparing multiple samples, Chung can also estimate the degree of variability in the population and the sample, this allow him to have more robust conclusions.
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After examining the reciprocal identity for sect, explain why the function is undefined at
certain points.
The function is undefined for those values of x where the denominator is zero.
What informs the function to be undefined?The reciprocal identity for sine, cosine, and tangent states that:
sin(x) = 1/csc(x)
cos(x) = 1/sec(x)
tan(x) = 1/cot(x)
It is important to note that csc, sec, and cot are only defined for values of x where the denominator is not equal to zero.
For example, csc(x) is defined as 1/sin(x), so it is undefined for x = kπ where k is any integer and sin(x) = 0.
Similarly, sec(x) is defined as 1/cos(x) and is undefined for x = (k+1/2)π where k is any integer and cos(x) = 0. Finally, cot(x) is defined as 1/tan(x) and is undefined for x = kπ where k is any integer and tan(x) = 0.
Therefore, the reciprocal identity for sine, cosine, and tangent is only defined for certain input values, and it is undefined for those values of x where the denominator is zero.
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