The ratio of green apples to all apples in the basket is 5:14 and the ratio of red apples to all apples in the basket is 9:14.
According to the question,
We have the following information:
There are five green apples and nine red apples in a basket.
Now, total apples in the basket are (5+9) which is 14.
Now, the ratio of green apples to all apples in the basket:
Number of green apples : total apples in the basket
5:14
Now, the ratio of red apples to all apples in the basket:
Number of red apples : total apples in the basket
9:14
Hence, the ratio of green apples to all apples in the basket is 5:14 and the ratio of red apples to all apples in the basket is 9:14.
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you want to select a sample of 100 employees of company x. you assign a number to every employee in the company database from 1 to 1000, and use a random number generator to select 100 numbers. is this a simple random sampling?
Yes this an example of simple random sampling.
What is simple random sampling?
Every person in the population has an equal probability of getting chosen in a simple random sampling. The entire population should be included in your sampling frame.
You might utilize instruments like random number generators or other methods that just rely on chance to carry out this kind of sampling.
Main Body:
It is uncommonly attainable to collect knowledge from each member of a gaggle of people once conducting analysis on them. In its place, you choose a sample. The population that may really participate within the study is that the sample.
As in this case we select 100 random people out of 1000 , so it is an example of simple random sampling.
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Twice the sum of a number and 4 is 18
Answer: 7
Explain: 2x + 4 = 18 which is required an equation, so the sum of thrice a number and 7 is 25. So 3x + 7 = 25
Answer:
7
Step-by-step explanation:
Now, reverse the relationship of jersey number and player height. What if player height is the input and jersey number is the output? The diagram below helps you see that when the input is 68, the output may be either 10 or 18. this relationship is not a function. why is the relationship between the height (input) in the jersey number (output) not a function.
A.in a function, one input can only have one output
B.in a function, one outputcan have one input
C.in a function, one input can have two or more outputs
D. in a function two or more outputs can have one input
Answer:
A
Step-by-step explanation:
2. which of these best describes a residual? a) it must be a number between 0 and 1 b) it must be positive c) it must be negative d) it must have both positive and negative values e) it represents a distance between observed and predicted values
it represents a distance between observed and predicted values
What is residual?
A residual in statistics is the discrepancy between an observed value and a value that was predicted.
Typically, the anticipated value is based on a model, like a linear regression model. The prediction error is represented by a residual, which can be either positive or negative. A positive residual indicates a difference between the observed and expected values, whereas a negative residual indicates the opposite. Specifically, the residual's absolute value is the distance between the observed value and the predicted value.
For evaluating a model's correctness, residuals are crucial. The residuals should be randomly distributed in the vicinity of zero if the model is valid. The residuals will be biased either in favor of or against the null hypothesis if the model is not accurate. A model's goodness of fit can also be evaluated using the residual. Relatively small residuals characterize a model with a high goodness of fit. Remainders that are far from zero will be present in a model with a low goodness of fit.
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Which of the following is an equivalent expression of 18x2 +14x + 7?
7(18x2 + 14x)
14x + 18x2 + 7
32x3 + 7
18x2(14x + 7)
NEED HELP ASAP
GIVING 20 POINTS!!!!!!
Answer:
I believe it's 18x2(14x + 7)
Step-by-step explanation:
I took the test :)
18x² + 14x + 7 ( may be expressed in any order )
= 14x +18x² + 7
2 7 of the pupils in year 9 say their favourite colour is red. There are 119 pupils in year 9. How many students said red is their favourite colour?.
34 students red is their favorite color
2 out of 7 of the pupils in year 9 say their favourite colour is red
Fraction of pupil that say red is their favorite colour is 7/9
There are 119 pupils in year 9
We need to calculate the number of students out of 119 that would say that their favourite colour is red
To find that,
we multiply the fraction of students that like red with the total number of students
2/7 * 119
= 34
Therefore, if 2 out of 7 of the pupils in year 9 say their favourite colour is red. Then 34 out of 119 pupil will say that their favourite colour is red.
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The slope of the line below is -1/7. write a point slope equation of the line using the coordinates of the labeled point.
The equation of the line with slope -1/7 is (y-3) = -1/7(x-3).
According to the question,
We have the following information:
Slope of the line = -1/7
Points through which line is passing = (3,3)
We know that the following formula is used to find the equation of the line:
(y-y') = m(x-x') where m is the slope of the line
In this case, we have x' = 3 and y' = 3.
(y-3) = -1/7(x-3)
This expression can be solved further by multiplying -1/7 into the bracket and then by moving 3 from the left hand side to the right hand side. Then this equation will be in slope-intercept form.
Hence, the correct option is B.
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Type the missing number to complete the proportion.
14 seats in 2 rows = 7 seats in
rows
The missing number to complete the proportion is 1
How to find the missing number that completes the proportion?Proportion defines that the two given ratios are equivalent to each other. That is two ratios (or fractions) are equal e.g 2:6 = 1:3
Given: 14 seats in 2 rows = 7 seats in ___rows
If each row in a classroom has equal seats. If there are 14 seats in 2 rows of the classroom then we can say there are 7 seats in each row (1 row).
Thus, 14 seats in 2 rows = 7 seats in 1 row
Therefore, the missing number to complete the proportion is 1. You should type 1
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PLEASE HELP ME WITH THESE PROBLEMS!
Answer:
1. Congruent, SAS
2. Congruent, SSS
3. Not congruent
4. Congruent, SAS
5. Congruent, SSS
6. Not congruent
7. Congruent, SAS
8. Not congruent
Find the sale price of each item. Round to two decimal places when necessary.
Original price: $45.00; Markdown: 22%
Answer:
$35.10
Step-by-step explanation:
45 x 0.22= 9.9
45-9.90= 35.10
In AEFG, f= 1.5 inches, 10th of an inch.
In a certain city, the percent of children under
18
year of age who lived with both parent wa
49. 2
%
,
the percent of children under 18 year of age who lived only with their father wa
8. 0
%
,
and the percent of children under
18
year of age who lived with neither parent wa
3. 5
%. What wa the percent of children under
18
year of age who lived with their mother only?
As per given data of living children under 18 years of age , percent of children whose age is under 18 years lived with their mother only is equal to 39.3%.
As given in the question,
Let us consider 100% be the total percent representing the living status of children under 18 years of age
Given:
Percent of children living with both the parents = 49.2%
Percent of children living with only father = 8%
Percent of children living with neither of the parents = 3.5%
Let us consider percent of children living with only mother = x%
Required equation is:
( x + 49.2 + 8 + 3.5 )% = 100%
⇒ x + 60.7% = 100%
⇒ x = 100 - 60.7
⇒ x = 39.3%
Therefore, for the given data of living children under 18 years of age , percent of children whose age is under 18 years lived with their mother only is equal to 39.3%.
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What is the equation for the line of reflection?
Answer:
The line of reflection is usually given in the form y = m x + b y = mx + b y=mx+by, equals, m, x, plus, b
PLEASE HELP!!! WIlLL GIVE BRAINLIEST!!! QUICK!
It costs $20 for a package of 5 t-shirts or $5 for a pair of socks. Char has $120 to spend on t-shirts and socks for her club.
A. Complete the table showing three ways Char can spend $129\ purchasing packages of t-shirts and pairs of socks. Show your work.
B. Write an equation relating the number packages of t-shirts x and the number of pairs of socks y Char can buy.
Graph:
Number of T-Shirts Pairs of Socks
2 *Blank*
*Blank* 20
6 *Blank*
Answer:
Step-by-step explanation:
Hi Strawberry :D so three ways to spend $120
T= tshirts
S=socks
20T +5S= 120
20(5)+5(4) =120 one
20(4) +5(8) =120 two
20(3) +5(12) = 120 three
20x +5y =120
Construct a polynomial function with the stated properties. Reduce all fractions to lowest terms.
Third-degree, with zeros of −3, −1, and 4, and a y-intercept of −13.
The third degree polynomial function with zeros of −3, −1, and 4, and a y-intercept of −13 is y = -13/12 (x³ - 13x + 12)
Polynomial function:
polynomial function refers a functions of single independent variables, in which variables can occur more than once, raised to an integer power.
Given,
Third-degree, with zeros of −3, −1, and 4, and a y-intercept of −13.
Here we need to construct a polynomial function with the stated properties and reduce all fractions to lowest terms.
The standard form for the third degree polynomial function is written as,
y = K (x + zero1) (x + zero2) (x + zero3)
Here we know the values of zeros as -3, -1 and -4.
Apply it on the general form,
y = K (x -3) (x - 1) (x + 4) ----------------------(1)
And the value of y intercept is -13 then the value of x is 0.
So, it can be written as,
-13 = K(0 - 3) (0 - 1) (0 + 4)
-13 = K (-3)(-1)(4)
-13 = K (12)
K = -13/12
Now, we have to apply these value on the equation (1), then we get,
y = -13/12 (x -3) (x - 1) (x + 4)
When we expand these, then we get the polynomial function as,
y = -13/12 (x³ - 13x + 12)
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Given f(x) = (x − 1)(x + 2)(x − 3), what are the zeros and end behavior of the function? −1, 2, −3; continues downward to the left and upward to the right −1, 2, −3; continues upward to the left and downward to the right 1, −2, 3; continues downward to the left and upward to the right 1, −2, 3; continues upward to the left and downward to the right.
A function assigns the value of each element of one set to the other specific element of another set. The zeroes of the functions are -2, 1, and 3.
Function : -
A function assigns the value of each element of one set to the other specific element of another set.
Zeroes of a function: -The zeros of a function are defined as the values of the variable of the function such that the function equals 0. Graphically, the zeros of a function are the points on the x-axis where the graph cuts the x-axis. In other words, we can say that the zeros of a function are the x-intercepts of its graph.
Now, According t the question:
Given that, f(x) = (x - 1)(x + 2)(x − 3)
Therefore, the zeroes of the functions are -2, 1, and 3. The end behavior of the function is that if x approaches ∞ then f(x) approaches ∞, while if x approaches -∞ then f(x) approaches -∞, as can be observed from the given graph.
Hence, the zeroes of the functions are -2, 1, and 3.
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a fair die with its faces numbered from 1 to 6 will be rolled. which of the following is the best interpretation of the probability that the number landing face up will be less than 3 ?
When a fair die with faces numbered 1 to 6, the probability that the number landing face up is less than 3 is 1/3.
The probability measures how likely an event to occur. The probability of an event A is defined as:
P(A) = number of ways that event A can occur / all possible outcomes
In the given problem, let x be any number of die's face, then
number of ways x will show up = 1
all possible outcomes = 6
Hence,
P(x) = 1/6
Numbers that are less than 3 is 1 and 3. Therefore,
P (x<3) = P(1) + P(2)
P (x<3) = 1/6 + 1/6 = 2/6 = 1/3
Therefore, we can conclude that the probability that the number landing face up is less than 3 is 1/3
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A meenger earn #2,640 per year and pay tax at the rate of 10k on a naira. How much tax doe he pay in a year
264 naira tax doe he pays in a year.
Amount earned per year = 2460
Rate of interest paid: 10k per naira earned
Tax paid by messenger per year :
100k = 1 naira
10k = (100/10) = 0.1 naira
Hence 0.1 naira is paid as tax on every naira earned
The total amount paid off is 2640 Naira :
Amount paid per naira * total amount earned
(0.1 * 2640) = 264 nairas.
A tax is a compulsory monetary charge or a few other sorts of levy imposed on a taxpayer (a man or woman or criminal entity) by using a governmental agency if you want to fund authorities' spending and numerous public expenses (regional, neighborhood, or countrywide), and tax compliance refers to coverage movements and character behavior geared toward making sure that taxpayers are paying the right amount of tax on the proper time and securing the right tax allowances and tax reliefs. the first known taxation passed off in historical Egypt around 3000–2800 BC. A failure to pay in a well-timed way (non-compliance), together with evasion of or resistance to taxation, is punishable by means of regulation. Taxes consist of direct or oblique taxes and may be paid in cash or as its labor equivalent.
Maximum nations have a tax system in the region, so as to pay for public, common societal, or agreed-on country-wide needs and for the capabilities of the presidency. a few levies a flat percentage rate of taxation on private annual profits, however, maximum scale taxes are modern and based on brackets of annual earnings amounts. most nations charge a tax on a character's profits as well as on corporate earnings. nations or subunits regularly additionally impose wealth taxes, inheritance taxes, estate taxes, gift taxes, property taxes, sales taxes, use taxes, payroll taxes, duties, and/or tariffs.
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In the diagram below, what is the relationship between the number of triangles and the perimeter?
The perimeter "P" is equal to the length of the base of one triangle multiplied by the "n" number of triangles in the figure plus two times the length of another side. The equation for the perimeter is P = 5n + 14.
We are given triangles. The triangles are arranged in a certain pattern. The length of the base of each triangle is equal to 5 units. The length of the other two sides is 7 units each. We conclude that all the triangles are isosceles. We need to find the relationship between the number of triangles and the perimeter of the figure. Let the perimeter of the figure having "n" number of triangles be represented by the variable "P".
P(1) = 14 + 5(1)
P(2) = 14 + 5(2)
P(3) = 14 + 5(3)
We can see and continue the pattern. The relationship between the perimeter and the number of triangles is given below.
P(n) = 14 + 5n
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Answer:
Step-by-step explanation:
14
¿Cuál es la ecuación de la línea que pasa a través de los puntos A (1,2) y B (4,3)
Answer:
Step-by-step explanation:
(4-3)/(2-1= 1/1 = slope = 1
y =(1)x + b, plug in either point to solve for b
3 = 1 +b
b = 2
Please hurry
I only have about 77:25 remaining
Given that Phil takes 3 times as long as Meredith to complete the work . Let us take Meredith takes x hrs to complete the work, the Phil will do that work in 3x hrs . Now it is given that they together complete the work in 12hrs . So ,
[tex]\longrightarrow \dfrac{1}{x}+\dfrac{1}{3x}=\dfrac{1}{12}\\ [/tex]
[tex]\longrightarrow \dfrac{3+1}{3x}=\dfrac{1}{12} \\[/tex]
[tex]\longrightarrow \dfrac{4}{3x}=\dfrac{1}{12}\\[/tex]
[tex]\longrightarrow x =\dfrac{(4)(12)}{3}\\[/tex]
[tex]\longrightarrow x = 16\ hrs [/tex]
Hence,
Time taken by Meredith to complete the work alone= x = 16hrs Time taken by Phil to complete the work alone= 3x = 48hrsAnd we are done!
On a piece of paper, graph y = -2x - 3. Then determine which answer
matches the graph you drew.
The graph is in the image uploaded.
Given function:
y = -2x - 3
Table:
x y
-2 0
0 -2
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Find the zeros of the function. Enter the solutions from least to greatest. f(x)=(x-10)^2-49
The zeros of the function are-
lesser x = 3greater x = 7What is the definition of the zeros of the function?Any substitution for the variable in a function that results in a zero answer is known as the zero. The x-intercept(s) of the function's graph, or the actual zero of a function, is the location on a graph where the function's graph crosses the x-axis.The given expression is-
f(x)=(x-10)^2-49
To find the zero put f(x) = 0.
(x-10)^2-49 = 0
Including both sides of an equation, add 49.
(x-10)^2 - 49 + 49 = 49
(x-10)^2 = 49
To remove the exponent upon that left side of the equation, take the appropriate root of both sides.
x - 10 = ±√49
x - 10 = ±7
Solve each case;
a: x - 10 = + 7
x = 7 + 10
x = 17 (greatest number)
b: x - 10 = - 7
x = -7 + 10
x = 3 (lesser value)
Thus, the zeros of the function are 3 and 17.
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determine the domain and range of the function.
Answer:
Domain: {-1,0,1,4}
Range: {3,5,35}
Step-by-step explanation:
The domain is the set of x values while range is the set of y values
Here, the set of x values would be -1 , 0 , 1 and 4
And the y values would be 5, 3, 5, and 35
When writing the domain and range, you put the values into brackets "{}" and put them in order from least to greatest. Also if there are repeated values you do not repeat them, you only put them once.
This means that the domain would be {-1,0,1,4}
And the range would be {3,5,35}
Solve for x: 13 < -5x + 8 < 23
Answer: x∈(-3,-1)
Step-by-step explanation:
13<-5x+8<23
13-8<-5x+8-8<23-8
5<-5x<15
Divide the double inequality by 5:
1<-x<3
Multiply the double inequality by -1:
-1>x>-3
Thus, x∈(-3,-1)
Ren sets aside $1,000 into an online savings account with an annual interest rate of 2. 3%, compounded annually. How long will it take for the money in his account to double? round to the nearest year.
Ren will have to wait for approximately 31 years for the money compounded annually and a rate of 2.3% to double it's original investment.
Compound InterestCompound interest is the interest imposed on a loan or deposit amount. It is the most commonly used concept in our daily existence. The compound interest for an amount depends on both Principal and interest gained over periods. This is the main difference between compound and simple interest.
The formula of compound interest is given as
A = P(1 + r/n)^nt
A = compounded interest = $2000 (Since the investment doubled)r = rate = 2.3%n = number of times compounded = 12t = time = ?Substituting the values into the equation;
It will take approximately 31 years to double the investment.
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Solve for x
-3/x+7 = 8/x-4
Answer: x= 1
Step-by-step explanation:
Lines J and k are perpendicular. The slope of line k is 3. Which equation is true?
If Lines J and k are perpendicular. The slope of line k is 3, the slope of line j is -1/3
When two lines are perpendicular to each other, the product of their slope results in -1
slope of line j x slope of line k = -1
slope of line j x 3 = -1
slope of line j is 1/3
Therefore, if Lines J and k are perpendicular. The slope of line k is 3, the slope of line j is -1/3
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help please and thankyou 2
The length of the right triangle, y is 8.94 units.
How to find the side of a right triangle?A right angle triangle is a triangle that has one of its angles as 90 degrees.
The sides of a right angle triangle can be found using trigonometric ratios or Pythagoras's theorem.
c² = a² + b²
where
c = hypotenuse sidea and b are the other legs.Therefore,
12² - 8² = y²
144 - 64 = y²
y = √80
y = 8.94427191
y = 8.94 units
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the waiting times between a subway departure schedule and the arrival of a passenger are uniformly distributed between 0 and 8 minutes. find the probability that a randomly selected passenger has a waiting time greater than 4.25 minutes.
The probability that a randomly selected passenger has a waiting time greater than 4.25 minutes is 0.5278
The uniform distributed between a and b minutes.
The probability of finding a value above x is:
P(X > x) = [tex]\frac{b-x}{b-a}[/tex]
The time is evenly distributed between 0 and 9 minutes.
This implies that a=0 , b=9
Determine the likelihood that a randomly selected passenger will have to wait longer than 4.25 minutes.
p(X > 4.25) = [tex]\frac{9-4.25}{9-0}[/tex]
= 0.5278
There is a 52.78% chance that a randomly selected passenger will have to wait longer than 4.25 minutes.
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