A factor of the polynomial graphed is
O X + 2How to determine the factor of the polynomialThe zeros, which is the solution of the graph is used find the factor of the polynomial on the graph.
The graph shows that zeros includes
x = -2, x = 0 and x = 3
x = -2 is same as x + 2 = 0 hence this is a factor as in the third option.
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Si ya tienen 2/3 y 13/7, cuanto falta para completar 4 enteros?
To complete 4 whole numbers using the fractions 2/3 and 13/7, a total of 31/21 is needed.
To determine how much is needed to complete 4 whole numbers using the fractions 2/3 and 13/7, we need to find the sum of these fractions and subtract it from 4.
First, we need to find a common denominator for the fractions. In this case, the least common multiple (LCM) of 3 and 7 is 21.
We convert the fractions to have the same denominator:
(2/3) x (7/7) = 14/21
(13/7) x (3/3) = 39/21
Now we add the fractions:
14/21 + 39/21 = 53/21
We subtract this sum from 4 whole numbers:
4 - 53/21
To perform this subtraction, we need to have the same denominator:
4 = (4/1) x (21/21) = 84/21
We subtract the fractions:
84/21 - 53/21 = 31/21
Therefore, to complete 4 whole numbers using the fractions 2/3 and 13/7, a total of 31/21 is needed.
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A teacher asked 18 students how many book they read last summer. The dot represents one student. The midst frequent response was...
The most frequent response was 1 book. 6 students said that they read 1 book.
What was the most frequent response?In the histogram provided, we can see that 3 students read 0 books while 6 students read 1 book. 4 students read 2 books and 1 student read 3 books. 1 student read 4 books and 2 students read 5 books.
Finally, 1 student read 10 books. In the provided data, it is clear that the most frequent response was the 6 students who said that they read 1 book each. This figure was greater than the other responses.
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onsider rolling two number cubes, each of which has its faces numbered from 1 to 6. the cubes will be rolled and the sum of the numbers landing face up will be recorded. let the event e represent the event of rolling a sum of 5. how many outcomes are in the collection for event e ?
The collection of outcomes for the event e of rolling a sum of 5 contains 4 possible outcomes: {1, 4}, {2, 3}, {3, 2}, {4, 1}.
To find the number of outcomes in the event of rolling a sum of 5, we need to determine all the possible ways to get a sum of 5 when rolling two number cubes.
There are several ways to get a sum of 5
The first cube lands on 1 and the second cube lands on 4.
The first cube lands on 2 and the second cube lands on 3.
The first cube lands on 3 and the second cube lands on 2.
The first cube lands on 4 and the second cube lands on 1.
Therefore, the collection of outcomes for the event e of rolling a sum of 5 contains 4 possible outcomes
{1, 4}, {2, 3}, {3, 2}, {4, 1}
So, there are 4 outcomes in the collection for event e.
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El área de una caja de arena rectangular de la escuela de David es de 108 pies cuadrados.
La caja tiene un ancho de 9 pues.
Cuanto mide de largo, en pies, la caja de arena?
Answer: perdon, no se
Step-by-step explanation:
hich of the following are most likely to be dependent samples? multiple choice a study that compares the mean wait times at two different hospital emergency rooms a study that compares the salaries earned by men and women in the same job position a study that compares the weight gain for puppies who eat two different brands of food a study that compares standardized test scores before and after a course is taken
The statement which most likely represent "dependent-samples" is (d) study which compares standardized "test-scores" before and after course is taken.
The scores obtained before and after are linked, as they are obtained from the same group of individuals, and are therefore dependent samples.
For example, suppose a group of students is given a standardized test before and after taking a preparation course.
The scores obtained before the course are likely to be related to the scores obtained after the course, as they are both measures of the same group of students.
If the course has a significant impact on the scores, the before-and-after scores will likely be correlated, and the samples will be dependent.
Therefore, the correct option is (d).
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The given question is incomplete, the complete question is
Which of the following are most likely to be dependent samples?
(a) A study that compares the mean wait times at two different hospital emergency rooms
(b) A study that compares the salaries earned by men and women in the same job position
(c) A study that compares the weight gain for puppies who eat two different brands of food
(d) A study that compares standardized test scores before and after a course is taken.
paul wants to go to a concert. the concert ticket costs $125. paul earns $30 for each lawn he mows and $15 for each car he washes. how many lawns can paul mow and how many cars can he wash to have enough money to buy a concert ticket?
If Paul mows 3 lawns, he needs to wash at least 3 cars to earn enough money to buy the concert ticket.
Let's assume that Paul mows x lawns and washes y cars. Using the unitary method, we can find how much money Paul earns from mowing one lawn and washing one car.
Paul earns $30 for each lawn he mows, so he earns $30/1 lawn or $30 per lawn.
Similarly, Paul earns $15 for each car he washes, so he earns $15/1 car or $15 per car.
Now, to find the total amount of money Paul earns by mowing x lawns and washing y cars, we can use the following equations:
Total money earned = (Money earned per lawn) x (Number of lawns mowed) + (Money earned per car) x (Number of cars washed)
Total money earned = ($30/lawn) x (x lawns) + ($15/car) x (y cars)
Total money earned = $30x + $15y
We need to find the values of x and y such that the total money earned is at least $125, which is the cost of the concert ticket. So we can write:
$30x + $15y ≥ $125
We can simplify this equation by dividing both sides by $5:
$6x + $3y ≥ $25
Now we can find the values of x and y that satisfy this inequality. One way to do this is to use trial and error. We can start by assuming different values of x and finding the corresponding value of y that satisfies the inequality. For example:
If x = 2, then 6x = 12 and the inequality becomes:
12 + 3y ≥ 25
3y ≥ 13
y ≥ 4.33
So if Paul mows 2 lawns, he needs to wash at least 5 cars to earn enough money to buy the concert ticket.
Similarly, if we assume x = 3, then 6x = 18 and the inequality becomes:
18 + 3y ≥ 25
3y ≥ 7
y ≥ 2.33
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A flagpole that is 4.5 m tall is represented in a picture as being 1.5 cm in height. What is the scale factor?
The scale factor is:
The scale factor of the flagpole is 1/300.
What is a scale factor?A scale factor is a representative factor that can be used to either increase or decrease the size of a given object. This is majorly used in scale drawing.
scale factor = length on drawing/ original length
Given a flagpole of height 4.5 m but represented as 1.5 cm, then;
1.5 cm = 0.015 m
Then;
scale factor = 0.015/ 4.5
= 15/ 4500
= 1/ 300
The scale factor of the representation in the picture is 1/300.
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A girl leaves a history classroom and walks 20 meters north to a drinking fountain then she turns and walks 30 meter south to an art classroom what is the girl’s total displacement from the history classroom to the art classroom
Answer:
50 m
Step-by-step explanation:
BC if she walked 20 metres from the history class and 30 for the art it's 50 m
What is the measure of minor arc JP
Answer:130
Step-by-step explanation:
2 x 115 to find measure of major arc. Then 360 - 230 = 130
Find the exact and ordinary interest for a 280-day loan of $125,000 with a rate of 5% to the nearest cent. What is the difference between the 2 interest amounts? Assume it is not a leap year
a. $68.92
b. $67.78
c. $66.59
d. $69.56
The difference between the 2 interest amounts is $62.50
what is simple interest?Simple interest is a non-compounded loan where the interest is calculated off the remaining principal balance of the loan.
It does not include compounding interest and applies to both loans and savings accounts held by banks
Number of days 28 and 29 days
Principal = $125,000
rate = 5%
The simple interest formula
A = P(1 + rt)
can be used to calculate total principal plus simple interest on an investment/savings. This formula is derived from A = P + I, where P is the Principal amount of money to be invested at an Interest Rate R% per period for t Number of Time Periods.
A = P(1 + rt)
A= 125000(1+0.05*28)
A= 125000(2.4)
A= 300000
and A = P(1 + rt)
A= 125000(1+0.05*29)
A= 125000(2.45)
A= 306250
Therefore the difference the 2 interest amounts is $( 306250-300000) = $62.50
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which function is NOT increasing for all values of x
Answer: The function that is NOT increasing for all values of x is A. f(x) = x^2
we repeatedly draw a random card from a standard deck of 52 cards with replacement until we draw a heart or a face card. what is the expected number of times we draw a card?
The probability of number of times we draw a card is 3.
The probability of drawing a heart or a face card on any given draw.
There are 16 such cards in the deck (4 kings, 4 queens, 4 jacks, and 4 hearts), out of a total of 52 cards. So the probability of drawing a heart or a face card on any given draw is 16/52, which simplifies to 4/13.
Now, to calculate the expected number of draws until we get a heart or a face card, we can use the formula:
Expected number of draws = 1/P(event)
where P(event) is the probability of the event happening. In this case, the event is drawing a heart or a face card, so:
Expected number of draws = 1 / (4/13) = 13/4 = 3.25
So on average, we would expect to draw a card 3.25 times before getting a heart or a face card. However, since we cannot draw a fraction of a card, the actual number of draws will either be 3 or 4.
Hence, the expected number of times we draw a card is 3 (or 4, if the last card drawn is not a heart or a face card).
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A city has a population of 230,000 people. Suppose that each year the population grows by 5%. What will the population be after 5 years?
There will be about 288,207.08 people living in the city in five years.
The population of a city with a 230,000-person population that increases by 5% year can be determined using the compound interest formula. Compound interest is calculated as follows: A = P(1 + r/n)nt
Where n is the number for times it is added up per year, r is the yearly interest rate, A is the potential value, P is the current value, and t is the length of the period in years. In this instance, the present value was 230,000, the yearly interest rate was 5%, the duration of the period is 5, and the interest compounded once a year. When these values are added for the formula, we obtain:
[tex]A = 230000(1 + 0.05/1)^(1 \times 5)[/tex]
[tex]A = 230000(1.05)^5[/tex]
A = 288,207.08
The growth rate is assumed to stay constant throughout at all times period, which could sometimes not be the case. When predicting population increase, it is also important to take into account additional variables like migration, birth rate, as well as mortality rate.
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The blue object (D) has been roadster 180 degrees clockwise about the point (1,2). Which is the correct image
• Brown: image C
•Purple: image B
•None of the images
•Green: image A
Answer:
(D). Therefore, the correct answer is
Step-by-step explanation:
the other images. A rotation of 180 degrees clockwise about the point (1,2) means that every point on the blue object (D) will move to a new position that is 180 degrees away from the point (1,2) on a circle. The distance from the point (1,2) to the new position will be the same as the distance from the point (1,2) to the original position.
One way to find the new position is to use the formula:
(x′,y′)=(2x−x0,2y−y0)
where (x′,y′) is the new position, (x,y) is the original position, and (x0,y0) is the center of rotation. In this case, (x0,y0)=(1,2).
For example, let’s take the point (3, 4) on the blue object (D). Applying the formula, we get:
(x′,y′)=(2×3−1,2×4−2)
(x′,y′)=(5,6)
This means that the point (3, 4) on the blue object (D) will move to the point (5, 6) after the rotation.
We can repeat this process for all the points on the blue object (D) and see which image matches the new positions. Alternatively, we can use a visual method by drawing a line from each point on the blue object (D) to the point (1,2) and extending it until it reaches another point on the same circle. That point will be the new position after the rotation.
Using either method, we can see that none of the images match the rotation of the blue object (D). Therefore, the correct answer is:
(b) The formula for the total cost (C) of q rulers and s erasers is C = 40g + 15s
Work out the total cost of 7 rulers and 4 erasers.
Answer:
350
Step-by-step explanation:
C = 40g + 15s
C = 40(7) + 15(4)
C = 280 + 70
C = 350
The cashier at a box office sold 200 more adult tickets at $11 each than children’s at $18 each. What is the minimum number of each type to be at least $5000?
The minimum number of children's tickets sold is 97 and the minimum number of adult tickets sold is 297.
How to calculate the minimum number of each type to be at least $5000Let's start by setting up two equations based on the given information:
Let x be the number of children's tickets sold.
Then, the number of adult tickets sold is x + 200.
The revenue from the children's tickets is 18x, and the revenue from the adult tickets is 11(x + 200).
The total revenue is the sum of these two:
Total revenue = 18x + 11(x + 200)
Simplifying this expression:
Total revenue = 18x + 11x + 2200
Total revenue = 29x + 2200
We also know that the total revenue is at least $5000. So, we can set up an inequality:
Total revenue ≥ 5000
Substituting the expression for the total revenue, we get:
29x + 2200 ≥ 5000
Subtracting 2200 from both sides:
29x ≥ 2800
Dividing both sides by 29:
x ≥ 96.55
Since we can't sell a fraction of a ticket, we need to round up to the nearest whole number, which gives us:
x ≥ 97
So, the minimum number of children's tickets sold is 97.
x + 200 = 97 + 200 = 297
Therefore, the minimum number of children's tickets sold is 97 and the minimum number of adult tickets sold is 297.
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Im not sure what the solution is-
Answer: it’s -0,6 which is C
Step-by-step explanation:
Find the slope of the line below. Enter your answer as a fraction or decimal.
Use a slash mark (/) as the fraction bar if necessary.
(-5,0)
10
(5,4)
5
The slope of the line is 2/5 or 0.4 as a decimal.
What is slope?
In mathematics, slope refers to the steepness or incline of a line on a graph. It is a measure of how much the dependent variable changes for every unit change in the independent variable.
The slope of a line can be found using the formula:
slope = (change in y) / (change in x)
Let's use the given points (-5,0) and (5,4) to find the slope:
slope = (4 - 0) / (5 - (-5)) = 4/10 = 2/5
We subtract the y-coordinates and x-coordinates of the two points separately to find the change in y and change in x, respectively, and then divide the change in y by the change in x to get the slope.
Therefore, the slope of the line is 2/5 or 0.4 as a decimal.
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How many distinct rays are there given n collinear points?
Answer:
(n * (n - 1)) / 2
Step-by-step explanation:
If we have n collinear points, then we can draw n - 1 non-overlapping rays starting from any point on the line. This is because if we choose any two points on the line, then we can draw a unique ray passing through them, and since there are n choose 2 pairs of points on the line, we can draw n choose 2 = (n * (n - 1)) / 2 rays passing through them. However, each of these rays is counted twice (once for each of its endpoints), so we divide by 2 to get the final answer.
Therefore, the number of distinct rays that can be drawn from n collinear points is:
(n * (n - 1)) / 2
Note that this formula assumes that no three points are collinear, as otherwise, the number of rays would be infinite.
Write a linear function f with the values f(3)=-4 and f(5)=-4
To write a linear function f(x) with the values f(3) = -4 and f(5) = -4, we can use the point-slope form of a linear equation:
f(x) - y1 = m(x - x1)
where (x1, y1) is a point on the line and m is the slope of the line.
Using the two given points, we have:
f(3) = -4 and f(5) = -4
This means that (3, -4) and (5, -4) are two points on the line.
To find the slope, we can use the slope formula:
m = (y2 - y1) / (x2 - x1)
m = (-4 - (-4)) / (5 - 3)
m = 0 / 2
m = 0
Therefore, the slope of the line is 0.
Using the point-slope form with the point (3, -4) and the slope m = 0, we get:
f(x) - (-4) = 0(x - 3)
f(x) + 4 = 0
f(x) = -4
So, the linear function f(x) that passes through the points (3, -4) and (5, -4) is f(x) = -4.
individuals who smoke one pack of cigarettes per day have a 1 in 250 lifetime probability of developing lung cancer. what kind of analysis is this?
The statement "individuals who smoke one pack of cigarettes per day have a 1 in 250 lifetime probability of developing lung cancer" is an example of statistical analysis.
This statement uses an observed relationship between smoking and lung cancer to estimate the probability of developing lung cancer over a lifetime of smoking one pack of cigarettes per day. This estimate is based on statistical data collected from studies that have observed the association between smoking and lung cancer over many years.
This type of analysis is often used in epidemiology and other areas of public health to estimate the risk of various health outcomes based on observed relationships between risk factors and outcomes.
These estimates can be used to inform public health policies and interventions aimed at reducing the prevalence of risk factors and improving health outcomes.
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you have 100 balls (50 black balls and 50 white balls) and 2 buckets. how do you divide the balls into the two buckets so as to maximize the probability of selecting a black ball if 1 ball is chosen from 1 of the buckets at random?
To maximize the probability of selecting a black ball if one ball is chosen at random from one of two buckets containing 50 black and 50 white balls, all 50 black balls should be put in one bucket and the other bucket should contain 49 white balls and 1 black ball.
To maximize the probability of selecting a black ball, you need to ensure that there are more black balls in one of the buckets than in the other.
Here's one possible way to divide the balls
Put all 50 black balls in one bucket (Bucket A).
Put 49 white balls and 1 black ball in the other bucket (Bucket B).
With this arrangement, Bucket A has a 100% chance of yielding a black ball if a ball is chosen at random, and Bucket B has a slightly less than 50% chance of yielding a black ball (specifically, a 1/50 chance, since there is only 1 black ball among the 50 balls in that bucket).
Therefore, the overall probability of selecting a black ball from one of the two buckets is maximized using this arrangement.
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Find the 13th term of the arithmetic sequence whose common difference is d=-8 and whose first term is a1=25 .
If the "arithmetic-sequence" which has "first-term" as 25, then it's 13th term will be -71.
The first-term of the "arithmetic-sequence" is denoted as "a₁" is 25,
The common-difference denoted as "d" is -8,
We can use the formula for the nth term of an arithmetic sequence to find the 13th term. The formula is : aₙ = a₁ + (n - 1)d;
where, n is = number of the term we want to find,
We have to find the 13th term, so, n is = 13,
Substituting the values,
We get;
a₁₃ = 25 + (13 - 1)(-8)
a₁₃ = 25 + 12(-8)
a₁₃ = 25 - 96
a₁₃ = -71
Therefore, the 13th term of arithmetic sequence is -71.
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Ross family buys a washer and dryer set for $1135 and agrees to make 9 payments of $132. 51 each. Find the annual percentage rate of the loan
The annual percentage rate (APR) of the loan is 2.7%.
To find the annual percentage rate (APR) of the loan, we need to use the formula
APR = (2 × P × R / N) × 100
where P is the principal amount (in this case, $1135), R is the interest rate (in decimal form), and N is the total number of payments (in this case, 9).
We can solve for R by first finding the total amount paid over the course of the loan, which is
Total amount paid = 9 × $132.51 = $1192.59
The amount of interest paid on the loan is therefore
Interest paid = $1192.59 - $1135 = $57.59
Now we can use the formula to solve for R
R = (Interest paid × N) / (2 × P × N)
R = ($57.59 × 9) / (2 × $1135 × 9)
R = 0.027 or 2.7%
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The area of a circle is 36ft what is the circumference
Step-by-step explanation:
area = pi * radius ^2
36 ft^2 = pi * radius^2
radius = 3.39 feet diameter = 2 x radius = 6.77 ft
Circumference = pi * diameter = 21.27 ft
In parallelogram PSQSR, what is Pq
Answer:
In parallelogram PSQSR, Pq represents the length of the side PQ.
Since PSQR is a parallelogram, opposite sides are equal in length. Therefore, Pq is equal in length to the side SR, which is opposite to Pq in the parallelogram.
So, if the length of SR is given, then Pq is also equal to that length. If the length of SR is not given, then Pq cannot be determined.
Step-by-step explanation:
what values of t place 85% of the area in the middle of the distribution? (use technology. round your answers to two decimal places.)
The values of t that place 85% of the area in the middle of the distribution are between -3.379 and 3.379.
To find the values of t that place 85% of the area in the middle of the distribution, we need to find the t-scores that correspond to the 7.5th and 92.5th percentiles of the t-distribution with 46 degrees of freedom.
We can use a t-table or a statistical software to find these values. Using a t-table, we can look up the critical t-values for the two tails of the distribution that include 7.5% and 92.5% of the area.
For a two-tailed test at the 5% significance level with 46 degrees of freedom, the critical t-value is approximately 2.013.
To find the t-scores for the 7.5th and 92.5th percentiles, we need to multiply the critical t-value by the corresponding t-multiplier for the degrees of freedom. For 46 degrees of freedom, the t-multiplier is approximately 1.678.
Thus, the t-score that corresponds to the 7.5th percentile is -2.013 x 1.678 = -3.379, and the t-score that corresponds to the 92.5th percentile is 2.013 x 1.678 = 3.379.
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The given question is incomplete, the complete question is:
Consider a t distribution with 46 degrees of freedom. What values of t place 85% of the area in the middle of the distribution?
Question is below :)
The x-intercept is 5.5 and the y-intercept is -7.5 for the given line.
The point on a graph where a line or curve meets the y-axis or x-axis is referred to as an intercept in mathematics and statistics. It also goes by the names y-intercept and x-intercept.
The intercept is the value of y when x is 0 in a linear equation of the form y = mx + b. When the independent variable (x) is zero, the value of y is represented by the intercept term (b). Similarly, the x-intercept indicates the value of x when y is zero, and the constant term (a) reflects the value of x when the dependent variable (y) is zero in an equation of type x = a + by.
The x-axis is cut at point 5.5 by the straight line and the y-axis is cut by the line at -7.5.
Therefore, the x-intercept is 5.5 and the y-intercept is -7.5.
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Based on the table, which statement is true?
A. About 40% of the students prefer Chocolate.
B. About 30% of the students prefer Mint.
C. About 20% of the students prefer Orange.
D. About 50% of the students prefer Orange.
Based on the table, statement which is true is C) About 20% of the students prefer Orange.
To find the correct answer, we need to calculate the total number of students surveyed and the number of students who prefer each flavor.
The total number of students surveyed is:
34 + 35 + 36 + 38 + 27 + 35 = 205
The number of students who prefer Chocolate is:
34 + 38 = 72
The number of students who prefer Mint is:
35 + 27 = 62
The number of students who prefer Orange is:
36 + 35 = 71
So, the correct statement is:
C. About 20% of the students prefer Orange.
To calculate this, we can use the following formula:
Percentage of students who prefer Orange = (Number of students who prefer Orange / Total number of students surveyed) x 100
= (71 / 205) x 100
= 34.63% (rounded to the nearest whole number)
Since the percentage is closest to 20%, we can conclude that about 20% of the students prefer Orange. Therefore, option C is correct.
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What is the intercepted arc for angle G ?
Look at what angle G is looking at what arc
As you can kinda tell it is arc CDF
And also here an image for the intercepted arc rule and how it works