If the company has 33% more employees than it did a year ago and there are currently 66,500 employees, the number of employees the company had a year ago was proportionately, 50,000 employees.
What is proportion?Proportion refers to the ratio of one quantity or value compared to another.
Proportions are fractional values, representing using fractions, decimals, or percentages.
The current population of a company's employees = 66,500
The percentage increase in the population from last year's = 33%
Proportionately, last year's population = 100%, while this year's population is 133% (100 + 33).
If 66,500 = 133% (1.33), then 100% = 50,000 (66,500 ÷ 1.33)
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Male 16 15 2 33
Female 14 11 18 43
Total 30 26 20 76
If one student is chosen at random,
Find the probability that the student was female:
Find the probability that the student was female AND got a "C":
Find the probability that the student was female OR got a "C":
If one student is chosen at random, find the probability that the student was female GIVEN they got a 'C':
a) The probability that the student was female is 43/76
b) The probability that the student was female AND got a "C" is 9/38
c) The probability that the student was female OR got a "C" is 45/76
We have,
A B C
Male 16 15 2 33
Female 14 11 18 43
Total 30 26 20 76
a) The probability that the student was female
= 43/76
b) The probability that the student was female AND got a "C"
= 18/76
= 9/38
c) The probability that the student was female OR got a "C"
= 43 /76 + 20/76 - 18/76
= 45/76
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help me please fr i just need these questions
The base area of the cylinder is 78.54 ft².
The height of the cylinder is 2 ft.
How to find the height and base area of the cylinder?The cylinder has a volume of 157.08 ft cube and the radius of the cylinder is 5 ft.
Therefore, the area of the base of the cylinder can be found as follows:
base area of the cylinder = πr²
base area of the cylinder = 3.1416 × 5²
base area of the cylinder = 3.1416 × 25
base area of the cylinder = 78.54 ft²
Therefore, let's find the height of the cylinder.
volume of the cylinder = πr²h
where
h = height of the cylinder157.08 = 78.54 h
divide both sides by 78.54
h = 157.08 / 78.54
h = 2 ft
Therefore,
height of the cylinder = 2 ft
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PLEASE HELP (WILL GIVE BRAINLIEST)
Answer: A: 50 ft
Step-by-step explanation:
We need to find the height of this composite figure. We can do so by using the volume formulas, (which include height).
Volume of Figure = Volume of Cylinder + Volume of Hemisphere
26,225.3 = pi r^2 h + 2/3 pi r^3
26,225.3 = pi 12^2 h + 2/3 pi 12^3
(26,225.3 - 2/3 pi 12^3)/pi 12^2 = h
this simplifies to about 50.
Hence your answer is A
Carla does 25 jumping jacks 3 times per day. How many jumping jacks will Carla do in 7 days?
Answer: 525 jumping jacks
Step-by-step explanation:
she does 25 x 3 = 75 jumping jacks per day.
so in a week, (7 days) she will do 7 x 75 = 525 jumping jacks
The number of runs scored by the Lions for six games is shown below.
5, 8, 1, 5, 2, 7
If the Lions scored 14 runs in their seventh game, which of the following statements is true?
OA. The median increases and the mean remains the same.
OB. The mean increases and the median remains the same.
OC. The mean and the median both increase.
OD. The median and the mean both remain the same.
If the Lions in their "seventh-game" scored 14 runs, then the true statement is (b) The mean increases and the median remains the same.
To determine how the additional 14 runs affect the mean and median, we need to calculate the original mean and median.
The mean is the sum of all the runs divided by the number of games:
So, Mean = (5 + 8 + 1 + 5 + 2 + 7)/6 = 28/6 = 4.67,
The median is defined as "middle-value" when data is arranged in order. In this case, the data in order is : 1, 2, 5, 5, 7, 8
So, the median is 5.
If the Lions scored 14 runs in their seventh game, the total number of runs for seven games is:
⇒ 5 + 8 + 1 + 5 + 2 + 7 + 14 = 42,
The new mean is the sum of all the runs for seven games divided by the number of games:
⇒ Mean = 42/7 = 6,
The new data in order is : 1, 2, 5, 5, 7, 8, 14,
So, the new median is also 5.
Comparing the original mean and median to the new mean and median, we can see that:
⇒ The median remains the same.
⇒ The mean increases from 4.67 to 6.
Therefore, the correct option is (b).
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Which statement is true? (1 point)
a
An equilateral triangle is always an isosceles triangle.
b
A right triangle is never an isosceles triangle.
c
An obtuse triangle is sometimes an acute triangle.
d
An isosceles triangle is always a scalene triangle.
Please help!!
The True statement is An equilateral triangle is always an isosceles triangle.
An equilateral triangle is always an isosceles triangle is True because isosceles triangle have two sides equal and equilateral have three sides equal.
A right triangle is never an isosceles triangle is False statement.
An obtuse triangle is sometimes an acute triangle is False statement.
An isosceles triangle is always a scalene triangle is False statement.
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We need to find the length of each board, so that one piece is five times as long as than the other. Let x represent the length of the longer
piece in feet, and let y represent the length of the shorter piece in feet.
Since the length of the board is 24 ft, we can form the following equation.
The length of the longer piece plus the length of the shorter piece equals 24 feet.
Write this equation using the defined variables for each piece. (Enter simplified answers.)
A system of linear equations that describes this situation include the following;
x = 5y
x + y = 24
How to write an equation to model this situation?In order to write a linear equation or function to describe this situation, we would assign variables to the length of the longer piece and the length of the shorter piece in feet respectively, and then translate the word problem into a linear equation as follows:
Let the variable x represent the length of the longer piece in feet.Let the variable y represent the length of the shorter piece in feet.Since one piece is five times as long as than the other and the length of the longer piece plus the length of the shorter piece equals 24 feet, a system of linear equations or function to describe this situation can be written as follows;
x = 5y
x + y = 24
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the football team needs a new player. using the data displays, determine an appropriate measure of center and measure of spread for each potential player's data
a) From the box plot of Dwayne's data, the measure of center = 9 and the measure of spread = 5
b) From the box plot of Mitchell's data, the measure of center = 10 and the measure of spread = 2
c) From the box plot of Terry's data, the measure of center = 10 and the measure of spread = 2
We know that in the box plot the measures of spread include the interquartile range and the mean of the data set.
Whereas, the measures of center include the mean or average and median.
For the Dwayne's box plot the interquartile range is 11 - 6 = 5
And the median is 9
So, the measure of center = 9 and the measure of spread = 5
For the Mitchell's box plot the interquartile range is 11 - 9 = 2
And the median is 10
So, the measure of center = 10 and the measure of spread = 2
For the Terry's box plot the interquartile range is 11 - 9 = 2
And the median is 10
So, the measure of center = 10 and the measure of spread = 2
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Which of the following functions are vertical translations of f(x)=√x?
Select all that apply.
A. K(x)=√√√-5+x
B. n(x) = -7+ √x
C. g(x)=√x -4
D. h(x)=3+√x
E. m(x)=√5x
The function that are vertical translations of f(x) are; (B), (C), and (D).
Given that f(x) = √x is the square root function.
We know that vertical translation of a function is a transformation that shifts the graph of the function up or down without changing its shape.
Option (A) K(x)=√√√-5+x is a vertical translation of f(x) because it shifts the graph of f(x) to the right by 5 and then applies three square root operations. so, it is not a vertical translation that shifts the graph up or down.
Option (B) n(x) = -7+ √x is a vertical translation of f(x) due to it shifts the graph of f(x) down by 7 units.
Option (C) g(x)=√x -4 is a vertical translation of f(x) since it shifts the graph of f(x) down by 4 units.
Option (D) h(x)=3+√x is a vertical translation of f(x) since it shifts the graph of f(x) up by 3 units.
Option (E) m(x)=√5x is not a vertical translation of f(x) since it involves multiplying the input of f(x) by a constant factor of 5.
Therefore, the options that are vertical translations of f(x) are; (B), (C), and (D).
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It is well documented that a typical washing machine can last anywhere between 5 to 20 years. Let the life of a washing machine be represented by a lognormal variable, Y = eX where X is normally distributed. In addition, let the mean and standard deviation of the life of a washing machine be 5 and half years and 3 years, respectively. [You may find it useful to reference the z table.]
a. Compute the mean and the standard deviation of X. (Round your intermediate calculations to at least 4 decimal places and final answers to 4 decimal places.)
b. What proportion of the washing machines will last for more than 11 years? (Round your intermediate calculations to at least 4 decimal places and final answer to 4 decimal places.)
c. What proportion of the washing machines will last for less than 3 years? (Round your intermediate calculations to at least 4 decimal places and final answer to 4 decimal places.)
d. Compute the 70th percentile of the life of the washing machines. (Round your intermediate calculations to at least 4 decimal places and final answer to the nearest whole number.)
A children's clothing company sells hand-smocked dresses for girls. The length of one particular size of dress is designed to be 29 inches. The company regularly tests the lengths of the garments to ensure quality control, and if the mean length is found to be significantly longer or shorter than 29 inches, the machines must be adjusted. The most recent simple random sample of 22 dresses had a mean length of 31.53 inches with a standard deviation of 8.24 inches. Assume that the population distribution is approximately normal. Perform a hypothesis test on the accuracy of the machines at the 0.005 level of significance. Step 3 of 3: Draw a conclusion and interpret the decision. Answer Tables Keypad Keyboard Shortcuts We reject the null hypothesis and conclude that there is insufficient evidence at a 0.005 level of significance that the mean length of the O particular size of dress is found to be significantly longer or shorter than 29 inches and the machines must be adjusted. O We fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0.005 level of significance that the mean length of the particular size of dress is found to be significantly longer or shorter than 29 inches and the machines must be adjusted. O We reject the null hypothesis and conclude that there is sufficient evidence at a 0.005 level of significance that the mean length of the particular size of dress is found to be significantly longer or shorter than 29 inches and the machines must be adjusted. We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.005 level of significance that the mean length O of the particular size of dress is found to be significantly longer or shorter than 29 inches and the machines must be adjusted.
We will conduct a one-sample t-test to determine if the mean length of the particular size of dress is significantly different from 29 inches.
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We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.005 level of significance that the mean length of the particular size of the dress is found to be significantly longer or shorter than 29 inches and the machines must be adjusted.
What is the null hypothesis?
The null hypothesis is the assertion that there is no association between the two sets of data or variables being investigated in a scientific study. The term "null" refers to the idea that any empirically observed difference is entirely attributable to chance and that no underlying causal relationship exists.
Here, we have
Given: A children's clothing company sells hand-smocked dresses for girls. The length of one particular size of the dress is designed to be 29 inches. The most recent simple random sample of 22 dresses had a mean length of 31.53 inches with a standard deviation of 8.24 inches.
We will conduct a one-sample t-test to determine if the mean length of the particular size of the dress is significantly different from 29 inches.
In the null hypothesis, the mean length of the particular size of the dress is equal to 29 inches.
In the alternative hypothesis, the mean length of the particular size of the dress is significantly longer or shorter than 29 inches.
We will use a 0.005 level of significance, which corresponds to a critical value of ±2.807 for a two-tailed test with 21 degrees of freedom.
Our test statistic is: t = (31.53 - 29) / (8.24 / sqrt(22)) = 1.774
Since our test statistic (1.774) is not greater than the critical value (2.807) or less than the negative of the critical value (-2.807), we fail to reject the null hypothesis.
Hence, We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.005 level of significance that the mean length of the particular size of the dress is found to be significantly longer or shorter than 29 inches and the machines must be adjusted.
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12. An inequality is given, where r is a positive rational number.
r.9 <09/1
Jala:
bo
true?
Since r is a positive rational number, an inequality must also be true include the following: A.) q < 0.
What is a rational number?In Mathematics, a rational number can be defined a type of number which comprises fractions, integers, terminating or repeating decimals such as the square root of 11.
Next, we would solve the given inequality in order to determine all of the solutions that satisfies the variable q. This ultimately implies that, we would simplify the inequality by cancelling out the variable r as follows;
r × q/r < 0 (r is a positive rational number).
q < 0
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Complete Question:
An inequality is given, where r is a positive rational number.
r • q/r < 0
Which inequality must also be true?
A.) q < 0
B.) q > 0
C.) q < - r
D.) q/r < - r
How do I find the quadratic formula?
Answer:
x = -31 maybe
Step-by-step explanation:
Use the graph to answer the question.
Graph of polygon VWXYZ with vertices at 3 comma 2, 3 comma 0, 6 comma negative 7, 9 comma 0, 9 comma 2. A second polygon V prime W prime X prime Y prime Z prime with vertices at 3 comma negative 10, 3 comma negative 8, 6 comma negative 1, 9 comma negative 8, 9 comma negative 10.
Determine the line of reflection.
Reflection across the x-axis
Reflection across the y-axis
Reflection across x = 6
Reflection across y = −4
The requried line of reflection is the x-axis.
To determine the line of reflection, we need to find the line that maps each vertex of the first polygon to the corresponding vertex of the second polygon.
We can start by reflecting the first polygon across the x-axis. This will map V to V', W to W', X to X', Y to Y', and Z to Z', as shown below:
First Polygon (VWXYZ) Second Polygon (V'W'X'Y'Z')
(3, 2) V (3, -10) V'
(3, 0) W (3, -8) W'
(6, -7) X (6, -1) X'
(9, 0) Y (9, -8) Y'
(9, 2) Z (9, -10) Z'
Next, we can compare the coordinates of each vertex in the first and second polygons to determine the line of reflection. We notice that reflecting the first polygon across the x-axis negates the y-coordinates of all vertices. Therefore, the line of reflection must be the x-axis.
Therefore, the line of reflection is the x-axis.
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Identify the fractions labeled with the letters A and B on the scale below.
Answer:Assuming that the number on the end of the number line is a 1 (I cant read it too clearly), this number line goes to 7/7ths so that means A would be 1/7th and B would be 4/7th
Step-by-step explanation: thats how Number lines work
Graph the equation using the slope and the y-intercept.
To Graph the equation using the slope and the y-intercept is discussed below.
let us consider a equation of line slope intercept form is y= -1/2x - 1.
As, the general form of equation is
y= mx+ b
where m is the slope and b is y intercept
Here in the equation slope= -1/2 and intercept is -1.
To y intercept is value of y when x= 0 then the coordinate in the graph should be (0, -1).
Now, the slope show the change in y wrt to x here if 2 unit in x then 1 unit.
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T/F True Logistic Regression is applied when the Dependent Variable is of Continuous nature.
It is used in various fields, such as healthcare, marketing, and social sciences.
False. Logistic regression is used when the dependent variable is binary or categorical (i.e., a nominal or ordinal variable). It is not appropriate for continuous dependent variables.
Logistic regression models the probability of an event occurring, where the event is represented by a binary variable (such as yes/no, success/failure, etc.). The output of the logistic regression model is the probability of the event occurring given the values of the independent variables. This probability can take any value between 0 and 1.
The logistic regression model assumes that the log odds of the event occurring (i.e., the logarithm of the probability of the event divided by the probability of its complement) can be modeled as a linear function of the independent variables. The coefficients of this linear function are estimated using maximum likelihood estimation.
Overall, logistic regression is a commonly used technique in statistics and data analysis for modeling the probability of a binary or categorical outcome. It is used in various fields, such as healthcare, marketing, and social sciences.
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determine the volume of a sphere with a radius of 4.75 inches round your answer to the nearest hundredth use 3.14 for pie.
Answer:
Step-by-step explanation:
V≈448.92in³
r Radius = 4.75
V=4/3πr3=4/3·π·4.753≈448.9205in³
Find the probability that a day in Dayton will include rain or snow.
The probability that a day in Dayton will include rain or snow is 38%.
Let's assume that there are 365 days in a year (not considering leap years), and we are aware that Dayton typically experiences 25 days of snow per year, in addition to 110 days of rain. We can add the total number of rainy and snowy days in Dayton and then divide that total by the number of days in a year to determine the likelihood that a given day will be either one of those things:
probability of rain or snow = [tex]\frac{110+25}{365}[/tex]
=0.38
The probability that a day in Dayton will have rain or snow is 0.38 or 38%.
The question is incomplete, complete question is " Dayton is a small town in Ohio, which receives 110 days of rain and 25 days of snow per year. Ignoring leap years, Find the probability that a day in Dayton will include rain or snow."
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NEED HELP I HAVE 20 MIN WILL RATE AND GIVE BRAINLIEST!
Answer:
A) [tex]x = \dfrac{\log_6(46) + 6}{4}[/tex]
B) [tex]x = \dfrac{\ln(11)}{2}[/tex]
C) [tex]x = \dfrac{11}{5}[/tex]
Step-by-step explanation:
A) We can solve for x by taking log base 6 of both sides.
[tex]\log_6(6^{4x-6}) = \log_6(46)[/tex]
[tex]4x - 6 = \log_6(46)[/tex]
[tex]4x = \log_6(46) + 6[/tex]
[tex]\boxed{x = \dfrac{\log_6(46) + 6}{4}}[/tex]
B) First, we have to divide both sides by 2.
[tex]2e^{2x} / 2= 22 / 2[/tex]
[tex]e^{2x} = 11[/tex]
Then, we can solve for x by taking the natural log (log base e) of both sides.
[tex]\ln(e^{2x})= \ln(11)[/tex]
[tex]2x= \ln(11)[/tex]
[tex]\boxed{x = \dfrac{\ln(11)}{2}}[/tex]
C) We can solve for x by raising 2 to the power of each side.
[tex]2^{\log_2(5x + 5)} = 2^4[/tex]
This cancels the log base 2 on the left.
[tex]5x + 5 = 16[/tex]
[tex]5x = 11[/tex]
[tex]\boxed{x = \dfrac{11}{5}}[/tex]
QUESTION 14 Does it make sense to fit this data with a linear, exponential, or logistic model? Choose the best answer. O A. This data fits a linear model because the growth rate is constant. OB. This data fits a logistic model because the growth rate increases and then decreases. OC. This data fits an exponential model because the growth rate increases each time. O D. This data fits a logistic model because the growth rate increases each time. O E. This data fits an exponential model because the growth rate is approximately constant.
The best option among the rest is
A. This data fits a linear model because the growth rate is constant.
How to find the best answerThe justification for this is that a linear model is suitable when the growth rate of the data remains constant, suggesting that the relations between the independent and dependent quantities are relative and does not differ through time or with modifications in the input figures.
It would cause a straight-line graph to appear, where the dependent elements change linearly comparable to alterations in the independent variable.
All other selections, B, C, D, and E, aren't applicable according to the given information. As a result, the optimal conclusion is A, conveying that the data abides by a linear model derivable from an unchanging growth rate.
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Sean A y B dos sucesos tales que:
P(A)= 0. 4;
P(Bc)= 0. 7 y P(AUB)= 0. 6, donde Bc
es el suceso contrario de B. Determinar si son independientes A y B
A is a segment whose endpoints are the center of a circle and a point on the circle.
Diameter is the segment whose end points are on the circle and passing through the center of the circle.
Given a statement.
We have to find the term defined for the statement.
Given a circle.
The end points of the circle are on the circle.
Any line segment whose end points are on the circle is defined as the chord.
If a chord passes through the center of the circle, then it is called the diameter.
Hence the correct term is diameter.
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Your question is incomplete. The complete question must be probably the on as given below.
Identify the term.
A _____ is a segment whose end points are on the circle and passing through the center of the circle.
Combine like terms to simplify the expression: 8y + 4 - 3y + 12?
Answer: image below
Step-by-step explanation:
write 100 min in hour and min
I heard you might have to increase your prices by 12% if i normally pay $45 per order, how much would my order be if the price increse happens?
The order will be $50.4 with the price increase
How much would the order be with the price increase?From the question, we have the following parameters that can be used in our computation:
Order = $45
Percentage increase = 12%
Using the above as a guide, we have the following:
New order = Order * (1 + Percentage increase)
Substitute the known values in the above equation, so, we have the following representation
New order = 45* (1 + 12%)
Evaluate
New order = 50.4
Hence, the new order is $50.4
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One hundred students were asked which fast food restaurants they had visited in the past two weeks. 55 ate at McDonald s, 35 ate at Wendy's, and 20 ate at both restaurants. How many ate at neither?
A) 80
B)10
C)45
D)30
The number of people who ate at neither McDonald's or Wendy's is given as follows:
D) 30.
How to obtain the number of people who ate at neither place?Before obtaining the number of people who ate at neither place, we must obtain the number of people who ate at least one place, as follows:
At least one = McDonald's + Wendy's - (McDonald's and Wendy's).
Replacing the values given in this problem, we have that:
At least one = 55 + 35 - 20
At least one = 70.
Considering that 100 students were surveyed, the number of students who ate at neither place is given as follows:
Neither = 100 - At least one
Neither = 100 - 70
Neither = 30 students.
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Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)
F(x) = (x^4/5)((x − 5)^2)
The critical values of the function are x = 0 and x = 4.
The critical values of a function f(x) are the values of x for which f'(x) = 0.
In this problem, the function is:
f(x) = [tex]\frac{x^4}{5(x-2)^2}[/tex]
The derivative is found as follows, applying the quotient rule:
f'(x) = [tex]\frac{2x^3(x-4)}{5(x-2)^3}[/tex]
The zeros of the function are the zeros of the numerator, thus:
2x³(x-4) = 0
∴ x = 0, 4
Hence, the critical values of the function are x = 0 and x = 4.
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Complete the statement: triangle AED~triangle ____
And Find the value of X
The solution is the value of X is, x = 2.
Here, we have,
from the given diagram,
we get,
from triangle ABC,
AB = 5, AC = 6
and, From triangle ADE,
AD = 10, AE = 12
and, both has same angle A,
so, by SAS rule, both are congruent.
we get,
triangle AED ~ triangle ABC
now, we know that,
here, DE = 2 BC
so, x+12 = 2( 4x-1)
or, x+ 12 = 8x -2
or, x = 14/7
or. x= 2
Hence, the value of X is, x = 2.
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1. Which of the following do not belong to the group of numbers
A. Two. B. Three. C. Four. D. Six
Answer:
three
Step-by-step explanation:
All other numbers are even except three