After considering all the given data we conclude that total sales of child tickets sold that day is 29, under the condition that thursday, twice as many adult tickets as child tickets were sold.
Let us consider the number of child tickets sold as `c` and the number of adult tickets sold as `a`.
It is known that the child admission is $6.30 and adult admission is $9.60. The day concerning the data was Tuesday, in which adult tickets twice as many as child tickets were sold, resulting in a total sales of $739.50.
We can form two algebraic expressions based on this information:
a = 2c (adult tickets twice as many as child tickets were sold)
6.3c + 9.6a = 739.5 (total sales of $739.50)
Staging the first equation into the second equation gives:
6.3c + 9.6(2c) = 739.5
6.3c + 19.2c = 739.5
25.5c = 739.5
c = 29
Hence, child tickets sold on that day were 29 .
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The complete question is
At the city museum, child admission is 6.30 and adult admission is 9.60. On tuesday, twice as many adult tickets as child tickets were sold, for a total sales of 739.50. How many child tickets were sold that day?
Bill wants to earn at least 33 trimming trees.He charges 7 per hour and pays 9 in equipment fees. What are the possible numbers of hours Bill could trim trees? Use t for the number of house
Write your answer as an inequality solved for t
Bill must trim trees for at least 6 hours to earn at least 33 dollars.
The inequality solved for t is t ≥ 6.
We have,
Bill's earnings for t hours of trimming trees is 7t dollars, and his expenses are 9 dollars.
Now,
Profit = 7t - 9
To earn at least 33 dollars, the profit must be greater than or equal to 33:
7t - 9 ≥ 33
Adding 9 to both sides, we get:
7t ≥ 42
Dividing both sides by 7, we get:
t ≥ 6
Therefore,
Bill must trim trees for at least 6 hours to earn at least 33 dollars.
The inequality solved for t is t ≥ 6.
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What is the degree of x squared plus y squared
The degree of x² + y² is 2.
The degree of a polynomial is determined by the highest power of the variable(s) in the polynomial.
In the case of the expression x² + y², the highest power of the variables is 2.
Each term in the expression, x² and y², has a power of 2.
Since there are no terms with a higher power, the degree of the polynomial x² + y² is 2.
The degree of a polynomial helps determine its characteristics, such as whether it is a linear, quadratic, cubic, or higher-order polynomial. In this case, x² + y² is a quadratic polynomial because its highest power is 2.
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What is an equation of the line that passes through the point
(−3,−5) and is parallel to the line
2x+3y=15
Therefore, the equation of the line passing through (-3, -5) and parallel to the line 2x + 3y = 15, in slope-intercept form, is y = (-2/3)x - 7.
What is the Equation of Parallel Lines?To find the equation of a line parallel to the line 2x + 3y = 15 and passing through the point (-3, -5), we need to determine the slope of the given line and use it to construct the equation in slope-intercept form (y = mx + b).
The given line is in the form Ax + By = C, where A = 2, B = 3, and C = 15. To find the slope of this line, we can rearrange the equation to isolate y:
2x + 3y = 15
3y = -2x + 15
y = (-2/3)x + 5
The slope of the given line is -2/3.
Since the line we want to find is parallel to this line, it will have the same slope. Therefore, the slope of the line passing through (-3, -5) will also be -2/3.
Now, we can use the point-slope form of a linear equation to write the equation of the line:
y - y1 = m(x - x1)
Substituting the values of (-3, -5) and -2/3 for (x1, y1) and m, respectively:
y - (-5) = (-2/3)(x - (-3))
y + 5 = (-2/3)(x + 3)
To convert this equation into slope-intercept form, we can simplify and rearrange:
y + 5 = (-2/3)x - 2
y = (-2/3)x - 2 - 5
y = (-2/3)x - 7
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evaluate the integral. (use c for the constant of integration.) 6 tan2(x) dx
The value of the integral ∫ 6 tan^2(x) dx is 6tan(x) - 6x + c.
We can start by using the identity tan^2(x) = sec^2(x) - 1 to rewrite the integral as:
6 tan^2(x) dx = 6(sec^2(x) - 1) dx
Now we can integrate each term separately:
∫ 6(sec^2(x) - 1) dx = 6∫sec^2(x) dx - 6∫dx
The antiderivative of sec^2(x) is tan(x), so:
6∫sec^2(x) dx - 6∫dx = 6tan(x) - 6x + c
where c is the constant of integration.
Therefore, the value of the integral ∫ 6 tan^2(x) dx is 6tan(x) - 6x + c.
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ind the radius of convergence, r, of the series. [infinity] n!xn 3 · 7 · 11 · ⋯ · (4n − 1) n = 1
Thus, the radius of convergence of the series is 4. That shows that the series converges absolutely for all values of x such that |x| < 4, and diverges for all values of x such that |x| > 4.
To find the radius of convergence of the given series, we can use the ratio test.
The ratio test states that for a series ∑an, if the limit of |an+1/an| as n approaches infinity is L, then the series converges absolutely if L < 1, diverges if L > 1, and inconclusive if L = 1.
So, applying the ratio test to the given series, we get:
|a(n+1)/an| = |(n+1)!x^(n+1) 3 · 7 · 11 · ⋯ · (4n + 3) / n!x^n 3 · 7 · 11 · ⋯ · (4n − 1)|
= |(n+1)x / (4n+3)|
= |x/(4 + 3/n)|
Taking the limit as n approaches infinity, we get:
lim n→∞ |a(n+1)/an| = |x/4|
Since we want this limit to be less than 1, we have:
|x/4| < 1
Solving for x, we get:
-1 < x < 4
Therefore, the radius of convergence of the series is 4. This means that the series converges absolutely for all values of x such that |x| < 4, and diverges for all values of x such that |x| > 4. When |x| = 4, the series may converge or diverge, and further analysis is needed to determine this.
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If the mean body temperature of a chameleon is 75 degrees, with a standard deviation of 4 degrees, which of the following is least likely? A. A random sample of 10 chameleons will have a mean body temperature less than 72 degrees B. A single chameleon, chosen at random, has a body temperature that is less than 72 degrees C. A random sample of 50 chameleons will have a mean body temperature less than 72 degrees
Option A is true because obtaining a sample mean of less than 72 degrees from a sample of size 10 would require a significant deviation from the population mean of 75 degrees.
Based on the given information, the mean body temperature of a chameleon is 75 degrees with a standard deviation of 4 degrees. We can assume that the body temperatures follow a normal distribution.
A. A random sample of 10 chameleons will have a mean body temperature less than 72 degrees:
To determine the likelihood of this event, we need to calculate the probability that a sample mean from a sample of size 10 is less than 72 degrees. Since the sample mean follows a normal distribution, we can use the standard error formula (standard deviation divided by the square root of the sample size) to standardize the distribution. With a sample size of 10, the standard error would be 4/sqrt(10), and we can calculate the probability using the z-score.
B. A single chameleon, chosen at random, has a body temperature that is less than 72 degrees:
This event is independent of the sample mean and can be assessed by calculating the probability that a single chameleon has a body temperature less than 72 degrees. This can be done using the z-score with the given mean and standard deviation.
C. A random sample of 50 chameleons will have a mean body temperature less than 72 degrees:
Similar to part A, we need to calculate the probability that a sample mean from a sample of size 50 is less than 72 degrees using the z-score.
Considering the given information, it is least likely that the other options involve either a single observation or larger sample sizes, which are more likely to represent the population mean accurately.
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Why is Dr. Craven surprised when he visits Colin?
Select 2 correct answer(s)
Question 1 options:
Colin wants to go outside.
Colin is laughing and sitting up straight.
Colin is reading with Mary.
Colin took his medicine.
Question 2 (1 point)
How are the children able to keep their plan to enter the garden a secret?
Question 2 options:
Mary will throw a temper tantrum, and when everyone comes to calm her, Dickon and Colin will sneak into the garden.
The children will sneak past the servants and gardeners, hiding behind the ivy on the Long Wall.
Colin tells Mr. Roach to make all the gardeners stay away from the walls when he goes out.
Dickon suggests that they go out into the garden at night when everyone is asleep.
Question 3 (1 point)
Which reason does Mr. Roach give for thinking that Dickon would be "as at home in Buckingham palace as at the bottom of a coal mine?"
Question 3 options:
Dickon always finds things to do and games to play.
Dickon likes every person and animal he meets.
Dickon is really a prince, even though he has been living on the moor.
Dickon is a fine person, who would be liked by anyone.
Question 4 (1 point)
Which passages show changes in Colin that are similar to changes that happened in Mary?
Select 3 correct answer(s)
Question 4 options:
He looked so strange and different because a pink glow of color had actually crept all over him - ivory face and neck and hands and all.
[The nurse] noticed that instead of lying like a log while his clothes were put on, [Colin] sat up and made some efforts to help himself, and he talked and laughed with Mary all the time.
Colin kept lifting his thin chest to draw [the wind] in, and his big eyes looked as if it were they which were listening - listening, instead of his ears.
The strongest footman in the house carried Colin down stairs and put him in his wheeled chair near which Dickon waited outside.
Question 5 (1 point)
What happens when Ben Weatherstaff tells Colin that he thinks Colin cannot walk?
Question 5 options:
Colin makes Ben Weatherstaff leave Misselthwaite Manor.
Colin throws a tantrum and runs out of the secret garden.
Colin cries and wishes to be brought back inside.
Colin is angry and gets out of his chair to prove he can stand.
Question 6 (4 points)
Match each vocabulary word to the sentence that it best completes.
Question 6 options:
The people ____________ the king and his tyrannical rule.
I understand that you're upset, but you don't need to _________________ him! Please, lower your voice.
Edgar Allen Poe's writing is often ___________, dealing with themes of death and suspense.
The leader of the group was punished harshly, but the followers were treated more ______________.
1.
detested
2.
leniently
3.
morbid
4.
harangue
Dr. Craven is surprised when he visits Colin because:
Colin wants to go outside.Colin is laughing and sitting up straight.Why is Dr. Craven surprised during his visit>In the story, Dr. Craven is accustomed to seeing Colin in a perpetually weak and bedridden state due to the belief that he is a cripple. Bur during his visit, he witnesses Colin laughing and sitting up straight which goes against his expectations.
This unexpected behavior indicates a significant improvement in Colin's physical condition and defies the doctor's assumptions about his health. His expresses his desire to go outside contradicts the reclusive and dependent behavior he had observed in Colin before.
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Suppose that the function f is defined on the interval (-2.5, 1.5) as follows. f(x) = {-2 if -2.5 < x lessthanorequalto -1.5 -1 if -1.5 < x lessthanorequalto -0.5 0 if -0.5 < x < 0.5 1 if 0.5 lessthanorequalto x < 1.5 Find f(-0.5), f(0.3), and f(0.5). f(-0.5) = f(0.3) = f(0.5) =
To find the values of f(-0.5), f(0.3), and f(0.5), we need to evaluate the function f(x) at those specific points.
f(-0.5) = -1, f(0.3) = 0, and f(0.5) = 1.
Explanation:
The function f is defined on the interval (-2.5, 1.5) with different values for different sub-intervals. We can evaluate the function at a specific point by finding the sub-interval that contains that point and using the corresponding value of f.
For f(-0.5), the point -0.5 lies in the sub-interval (-0.5, 0.5), where f(x) = 0. Therefore, f(-0.5) = 0.
For f(0.3), the point 0.3 also lies in the sub-interval (-0.5, 0.5), where f(x) = 0. Therefore, f(0.3) = 0.
For f(0.5), the point 0.5 lies in the sub-interval (0.5, 1.5), where f(x) = 1. Therefore, f(0.5) = 1.
Thus, we have f(-0.5) = -1, f(0.3) = 0, and f(0.5) = 1, which are the values of the function at those specific points.
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A hydraulic lift system is needed to lift a school bus which weights 10,000 lbs. The system runs at 2000 lb/in. 2 and each cylinder will be 2 inches in diameter. How many cylinders will the hydraulic system require, in order to lift the bus?
One cylinder with a 2-inch diameter is sufficient to lift the school bus using the given hydraulic lift system.
To determine how many cylinders are required to lift the school bus using a hydraulic lift system, we need to use the formula:
force = pressure x area
where force is the weight of the bus (10,000 lbs), pressure is the operating pressure of the system (2000 lb/in²), and area is the cross-sectional area of the cylinder (pi x radius²).
First, we need to calculate the area of each cylinder:
radius = diameter/2 = 1 inch
area = pi x (1 inch)² = pi square inches
Next, we can calculate the force required to lift the bus:
force = 10,000 lbs
Finally, we can calculate the number of cylinders needed:
force = pressure x area x number of cylinders
number of cylinders = force / (pressure x area)
Substituting the values we calculated, we get:
number of cylinders = 10,000 lbs / (2000 lb/in² x pi square inches x (2 inches)²)
number of cylinders = 10,000 / (2000 x 4 x pi)
number of cylinders = 0.397
Since we cannot have a fractional number of cylinders, we round up to the nearest integer:
number of cylinders = 1
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3. In the novel Around the World in Eighty Days Jules Verne recounts the adventures of brave Phileas Fogg and his servent Passerpartout. They begin their journey when Phileas bets his friends that he can make a trip around the world in 80 days. If the diameter of the earth is 8000 miles, find the average speed in miles per hour Phileas Fogg needs to circumnavigate the earth about the equator in 80 days.
Phileas Fogg needs to travel at an average speed of about 13.09 miles per hour to circumnavigate the earth along the equator in 80 days.
The distance that Phileas Fogg needs to cover to circumnavigate the earth along the equator is equal to the circumference of the earth, which is given by:
C = 2πr
where r is the radius of the earth. Since we know that the diameter of the earth is 8000 miles, we can find the radius as:
r = 8000 / 2 = 4000 miles
Substituting this value in the equation for the circumference, we get:
C = 2π × 4000 = 8000π miles
To find the average speed in miles per hour that Phileas Fogg needs to travel to complete the journey in 80 days, we can use the formula:
Average speed = Total distance / Time taken
Since Phileas Fogg has to travel the entire circumference of the earth, the total distance he needs to cover is C, which we calculated above. The time he has to complete the journey is 80 days, or 80 × 24 = 1920 hours.
Therefore, the average speed he needs to travel at is:
Average speed = C / 1920 = (8000π) / 1920 ≈ 13.09 miles per hour
So Phileas Fogg needs to travel at an average speed of about 13.09 miles per hour to circumnavigate the earth along the equator in 80 days.
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if a between subjects anova involving a one iv with 2 levels/conditioing yeilded an f-test statistic of 1.32 whatr would have been the t test statistic if you had done an independent samples test
It is not possible to directly convert an F-test statistic into a t-test statistic because they are different tests with different assumptions and calculations.
The F-test is used to compare the variance between multiple groups, while the t-test is used to compare the means of two groups. In an independent samples t-test, we compare the means of two independent groups to determine whether there is a significant difference between them. The test statistic is calculated by dividing the difference between the means by the standard error of the difference. Therefore, without additional information, it is not possible to determine what the t-test statistic would have been if an independent samples test had been conducted instead of an ANOVA.
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why are t statistics more variable than z-scores? group of answer choices
T-statistics are more variable than z-scores because the standard error of the mean is more uncertain in small sample sizes. In a smaller sample size, there is less data to draw from which makes the estimate of the population mean less accurate. Therefore, the t-distribution takes into account the additional variability caused by the uncertainty of the sample size. In contrast, the z-score assumes that the population standard deviation is known, which is only true in large sample sizes. As a result, the t-distribution has fatter tails than the z-distribution, indicating a greater likelihood of extreme values.
The variability of t-statistics and z-scores is due to the differences in the distributions they come from. Z-scores are calculated from a standard normal distribution, which assumes that the sample size is infinite and the population standard deviation is known. However, in real-life situations, it is rare to have access to an infinite sample size or knowledge of the population standard deviation. In contrast, t-statistics are calculated from a t-distribution, which assumes that the sample size is small and the population standard deviation is unknown.
In summary, t-statistics are more variable than z-scores due to the additional uncertainty of the standard error of the mean in smaller sample sizes. The t-distribution is used to account for this additional variability, while the z-score assumes a known population standard deviation and an infinite sample size. Understanding the differences between these two distributions is essential for accurate statistical analysis in real-world situations.
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T statistics are more variable than z-scores because they are based on smaller sample sizes and have larger degrees of freedom.
T statistics are used when the sample size is small and the population standard deviation is unknown. In such cases, the standard error of the mean is estimated using the sample standard deviation and the degrees of freedom, which are calculated as n-1. As the sample size decreases, the degrees of freedom increase, which leads to greater variability in the t distribution.
On the other hand, z-scores are used when the sample size is large and the population standard deviation is known. In this case, the standard error of the mean is estimated using the population standard deviation, which leads to a smaller variability in the z distribution. Therefore, t statistics are more variable than z-scores due to their dependence on smaller sample sizes and larger degrees of freedom.
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Someone please help me I need to finish these by tonight!!!
The angles x in the triangle is as follows:
10. x = 36
11 x = 8
How to find angles in a triangle?The unknown angles in the triangle can be found as follows:
The sum of angles on a straight line is 180 degrees. Therefore,
10.
3x - 18 + 90 = 180
3x = 180 - 90 + 18
3x = 108
divide both sides by 3
x = 108 / 3
x = 36
11.
The sum of angles in a right triangle is 180 degrees. One of the angles of a right triangle is 90 degrees.
Therefore,
8x + 2 + 3x = 90
11x + 2 = 90
11x = 90 - 2
11x = 88
divide both sides by 11
x = 88 / 11
x = 8
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Determine if the set of ordered pairs is a relation or a function. {(–5,2), (–4,1), (–3,0), (–3,–1)} neither
relation
function
The set of ordered pairs {(–5,2), (–4,1), (–3,0), (–3,–1)} is a relation but not a function.
The set of ordered pairs are {(–5,2), (–4,1), (–3,0), (–3,–1)}
We have to check whether the set is a relation or a function.
We know that a relation is a set of ordered pairs that relate inputs (x-values) to outputs (y-values).
So the set of ordered pairs is a relation.
We know that in a function, each input (x-value) is associated with exactly one output (y-value).
In this set of ordered pairs, the input –3 is associated with two different outputs: 0 and –1.
Therefore, it does not satisfy the criteria for a function, it is not a function.
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107. 6 is 75% of what
number?
the number is really "x", which oddly enough is the 100%, but we also know that 15% of that is 107.6.
[tex]\begin{array}{ccll} Amount&\%\\ \cline{1-2} x & 100\\ 107.6& 75 \end{array} \implies \cfrac{x}{107.6}~~=~~\cfrac{100}{75} \implies\cfrac{x}{107.6} ~~=~~ \cfrac{4}{3} \\\\\\ 3x=430.4\implies x=\cfrac{430.4}{3}\implies x=\cfrac{2152}{15}\implies x=143\frac{7}{15}\implies x=143.4\overline{66}[/tex]
I WILL GIVE BRAINLEST PLS HURRY Question 11(Multiple Choice Worth 2 points)
(Area of Circles MC)
A streetlamp illuminates a circular area that is 21 meters across through the center. How many square meters of the street is covered by the light? Round to the nearest hundredth and approximate using π = 3.14.
65.94 m2
346.19 m2
1,384.74 m2
119,844.05 m2
Question 12(Multiple Choice Worth 2 points)
(Theoretical Probability MC)
A spinner is spun twice with 4 equal sections colored red, orange, green, and blue. What is the P(spinning two Reds)?
1 over 2
1 over 4
1 over 8
1 over 16
Question 13(Multiple Choice Worth 2 points)
(Creating Graphical Representations MC)
A pediatrician was interested in the number of hours 13-year-olds in the state of Florida slept each night. She gathered data from a random sample of 12 local sports clubs in town and wanted to create an appropriate graphical representation for the data. Which graphical representation would be best for the data?
Stem-and-leaf plot
Histogram
Circle graph
Bar graph
a) If streetlamp illuminates a circular area that is 21 meters across through the center, 346.19 m² of the street is covered by the light. So, correct option is A.
b) If spinner is spun twice with 4 equal sections colored red, orange, green, and blue, the P(spinning two Reds) is 1 over 16. So, correct option is D.
c) For the given data on the number of hours 13-year-olds sleep each night, a bar graph would be the most appropriate graphical representation. So, correct option is D.
a) To find the area covered by the light from the streetlamp, we need to calculate the area of the circular region. The formula for the area of a circle is A = πr², where r is the radius of the circle. Given that the circular area is 21 meters across the center, the radius would be half of that, which is 21/2 = 10.5 meters.
Using the formula, we can calculate the area as follows:
A = 3.14 * (10.5)² ≈ 346.19 square meters.
Therefore, the correct answer is 346.19 m². So, correct option is A.
b) Since the spinner has 4 equal sections, the probability of spinning a red on any single spin is 1/4. When two spins are independent events, their probabilities multiply. Therefore, to find the probability of spinning two reds, we multiply the individual probabilities:
P(spinning two Reds) = (1/4) * (1/4) = 1/16.
Therefore, the correct answer is 1 over 16. So, correct option is D.
c) A bar graph is a visual tool that displays data using rectangular bars to represent different categories or groups. In this case, the different sports clubs can be represented on the x-axis, while the y-axis represents the number of hours slept. Each bar's height will correspond to the number of hours slept by the 13-year-olds in each sports club.
A bar graph is suitable because it allows for a clear comparison of the sleep duration between different sports clubs. It provides a visual representation of the data's distribution, making it easy to identify any patterns or variations. Additionally, it can accommodate a moderate number of data points, making it suitable for the given sample size of 12 sports clubs.
So, correct option is D.
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If reserves in the banking system increase by $100, then checkable deposits will increase by $1000 in the simple model of deposit creation when the required reserve ratio is A) 0.01. B) 0.10. C) 0.05. D) 0.20.
Therefore, If reserves in the banking system increase by $100 and the required reserve ratio is 0.10, then checkable deposits will increase by $1000 in the simple model of deposit creation. Option (B)
Explanation:
The required reserve ratio is the percentage of deposits that banks are required to hold in reserve. In the simple model of deposit creation, the maximum amount of new checkable deposits that can be created is the initial deposit multiplied by the reciprocal of the reserve ratio.
So, if reserves in the banking system increase by $100 and the required reserve ratio is 0.10, then the maximum amount of new checkable deposits that can be created is $1000 (100/0.10). Therefore, the correct answer is B) 0.10.
Therefore, If reserves in the banking system increase by $100 and the required reserve ratio is 0.10, then checkable deposits will increase by $1000 in the simple model of deposit creation. Option (B)
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Janie and Juan are both planting seeds in a garden. Each planted two seeds on the first day and then a certain
morning in the chart below. Janie decided that every morning she would plant twice as many seeds as she
number of additional seeds each day for four days. Juan recorded the number of seeds he planted each
id the day before. Whose rate of seed planting is increasing more rapidly-Janie or Juan's? Justify your
aswer in the box provided.
We can here that Juan planted two seeds each day at a regular rate, but Janie doubled her daily seed planting. Consequently, Janie is planting seeds at a faster rate than Juan.
What is seed planting?The act of scattering seeds into the ground in order to produce plants is referred to as seed planting. Gardeners, farmers, and other agricultural workers who desire to develop crops or flowers frequently do this.
We can determine how many seeds each person planted on the fifth day compared to the fourth day to better understand this:
Juan: 10 seeds - 8 seeds = 2 seedsJanie: 32 seeds - 16 seeds = 16 seedsSo, compared to the fourth day, Janie planted 8 times as many seeds on the fifth day, but Juan only planted 1.25 times as many seeds. This demonstrates that Janie is planting seeds at a faster rate than Juan.
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The World Health Organization recommends that a city has at least 9 square meters, worth of green space available for each person. The ideal amount of green space per person is 50 square meters.
Caldwell, Idaho has 30 parks with an approximate combined area of 1,591,000
acres. Let’s determine whether Caldwell has adequate green space according to
the WHO.
A) First, convert this area to square meters. There are 4,046 square meters per acre.
B) Next, the population of Caldwell, Idaho is approximately 64,000. Find
how many square meters of green space per person there are.
C) Does Caldwell meet the minimum requirement of 9 square meters per
person? Does it meet the suggested area of 50 square meters per person? If not,
how much more of an area would they require?
The area of the park is 6,443,686,000 square meters
The green space per person is 100,683.91 square meters per person
No additional green space is required.
We have,
A)
To convert the area of the parks from acres to square meters, we multiply by the conversion factor:
= 1,591,000 acres x 4,046 square meters/acre
= 6,443,686,000 square meters
B)
To find the green space per person, we divide the total green space by the population:
green space per person = 6,443,686,000 square meters / 64,000 people
green space per person = 100,683.91 square meters/person
C)
Caldwell has more than the minimum requirement of 9 square meters per person.
To determine if it meets the suggested area of 50 square meters per person, we compare the calculated value to 50:
100,683.91 square meters/person > 50 square meters/person
green space per person = 100,683.91 square meters/person
So, Caldwell meets the suggested area of 50 square meters per person. No additional green space is required.
Thus,
The area of the park is 6,443,686,000 square meters
The green space per person is 100,683.91 square meters per person
No additional green space is required.
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BRAINIEST TO WHOEVER CAN ANSWER THIS QUESTION!
Answer:
x=72
y=92
Sum of Opposite angles of a cyclic quadrilateral is 180°
Part B What is the domain and range of the circle?
The domain and the range of the graph are Domain = [-4, 2] and Range = [-8, -2]
Calculating the domain and range of the graphFrom the question, we have the following parameters that can be used in our computation:
The graph
The points on the graph can be represented as a list of ordered pairs
The rule of a graph is that
The domain is the x valuesThe range is the f(x) valuesUsing the above as a guide, we have the following:
Domain = [-4, 2]
Range = [-8, -2]
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[tex]∆A′B′C′ is a dilation image of ∆ABC. Which is the correct description of the dilation?\\[/tex]
Answer:
A dilation is a type of transformation in which a figure is enlarged or reduced in size while maintaining its shape. In the case of the given problem, ∆A'B'C' is a dilation image of ∆ABC, which means that ∆A'B'C' is a scaled version of ∆ABC.
To describe the dilation, we need to specify the scale factor, which is the ratio of the side lengths of the dilated image to the original figure. If the scale factor is greater than 1, the image is an enlargement, and if it is less than 1, the image is a reduction.
Without additional information, it is not possible to determine the scale factor or whether the dilation is an enlargement or a reduction. Therefore, we cannot provide a correct description of the dilation without further information.
Look at the relative-frequency table below of the probability distribution for the frequency with which customers buy items, with discrete random variable X= “number of items purchased by a customer.”
x p(x=x)
1 .02
2 .17
3 .29
4 .27
5 .15
6 .07
7 .03
What is the standard deviation?
a. 1.01
b. 1.32
c. 1.45
d. 1.67
Note that the standard deviation for the distribution is 1.32 (Option B)
How did we arrive at this ?The mean of the distribution can be calculated like this
μ = Σ (x * p(x))
μ = (1 x 0.02) + (2 x 0.17) + (3 x 0.29) + (4 x 0.27) + (5 x 0.15) + (6 x 0.07) + (7 x 0.03)
μ = 3.58
The variance can be calculated as:
σ² = Σ( x - μ)² * p ( x) )
= (1 - 3.58)² x 0.02 + (2 - 3.58)² x 0.17 + (3 - 3.58)² x 0.29 + (4 - 3.58)² x 0.27 + ( 5 - 3.58)² x 0.15 + (6 - 3.58)² x 0.07 + (7 - 3.58)² x 0.03
σ² = 1.766
The standard deviation can be calculated as the square root of the variance so
σ = √1.766
= 1.32890932723
σ ≈ 1.33
Therefore, the closest answer choice is (b) 1.32.
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15)
If f(x) = x³ - 11x² + 34x 24 and x- 4 is a factor of f(x), then find
all of the zeros of f(x) algebraically.
For the a factor of f(x) expression, the zeros of f(x) are x = 1, x = 4, and x = 6.
How to determine all of the zeros?To find all the zeros of the function f(x) algebraically, determine the values of x that make f(x) equal to zero.
Here are the steps on how to find the zeros of f(x) algebraically.
Since x-4 is a factor of f(x), factor it out to get:
f(x) = (x - 4)(x² - 7x + 6)
Factor the quadratic expression in the parenthesis to get:
f(x) = (x-4)(x-1)(x-6)
This means that the zeros of f(x) are 4, 1, and 6.
Therefore, the answer is:
4, 1, 6
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A five foot tall person casts a 7-foot shadow. At what angle do the sun’s rays hit the
ground? Determine which trig function you would use, and solve the equation. Round to
the nearest tenth.
the angle at which the sun's rays hit the ground is approximately 35.5 degrees.
How is Arctg calculated?The tangent is obtained by the relationship between the side opposite the angle (cathetus) and the adjacent side (cathetus). To find the angle of the tangent, first find the tangent by dividing the opposite leg by the adjacent leg. Then apply the tangent arc function (arctg) and you will get the angle.
Given:
h = 5 feet and s = 7 feet.Kwoning that the tangent of the angle (θ) is:
[tex]tan(\theta) = opposite / adjacent[/tex]
Knowing that:
The opposite side is the height of the person (h)the adjacent side is the length of the shadow (s).We have:
[tex]tan(\theta) = h / s\\tan(\theta) = 5 / 7\\\theta= arctan(5 / 7)\\\theta = 35.5[/tex]
Therefore, the angle at which the sun's rays hit the ground is approximately 35.5 degrees.
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A container holds 0.7 liters of oil and vinegar.
3
4
of the mixture is vinegar.
How many liters of oil are in the container? Express your answer as both a fraction and a decimal
Using the given fraction we can see that there are 0.175 liters of oil in the container.
How many liters of oil are in the container?We know that 3/4 of the total volume in the container is vinegar, then the remaining fraction must be oil.
The remaining fraction is given by:
1 - 3/4
4/4 - 3/4 = 1/4
Then 1/4 of the total volume is oil (because the mix is only oil and vinegar), and we know that the total volume is 0.7 liters, then the amount of oil is:
(1/4)*0.7 L =0.175 L
There are 0.175 liters of oil in the mix in the container.
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ASNER RN PLSS (15 POINTS) show wrk step by step
Last year, there were 1,500 people who attended the homecoming football game at a local high school. This year, there is expected to be a 16% increase in attendance. Based on the equation, approximately how many people will attend homecoming next year? (Round to the nearest person)
Answer:
1740 people
Step-by-step explanation:
A 16% increase is 0.16 as a decimal.
1500 * 0.16 = 240 more people expected next year
Add that 240 to the 1500 for the total number expected next year:
1500+240 = 1740 people
Answer: Approximately 1,740 people are expected to attend the homecoming football game this year, which is a 16% increase from last year's attendance of 1,500 people. This value is already rounded to the nearest person.
Step-by-step explanation:
Sure, let's calculate the expected attendance for this year's homecoming football game.
Step 1: Understand the problem
The problem states that there was an attendance of 1,500 people last year and this year there is expected to be a 16% increase in attendance. We need to find out the expected attendance for this year.
Step 2: Set up the equation
We can calculate the increase in attendance by multiplying last year's attendance by the percentage increase. The equation for this is:
New Attendance = Old Attendance + (Old Attendance * Percentage Increase)
Step 3: Substitute the given values into the equation
In this case, the Old Attendance is 1,500 and the Percentage Increase is 16% or 0.16 in decimal form. Substituting these values into the equation gives:
New Attendance = 1,500 + (1,500 * 0.16)
Step 4: Solve the equation
Let's calculate the result.
The calculation gives us:
New Attendance = 1,740
So, approximately 1,740 people are expected to attend the homecoming football game this year, which is a 16% increase from last year's attendance of 1,500 people. This value is already rounded to the nearest person.
Are these two triangles similar?
A. Yes, using AA.
B. Yes, using SAS.
C. Yes, using SSS.
D. No, they are not similar.
Answer:
46/64 = .71875
41/70 = .58571
D. These triangles are not similar.
The figure below shows a circular courtyard.
Its diameter is 96 m.
(a) Use the calculator to find the circumference and area of the courtyard.
Use 3.14 for it in your calculations, and do not round your answers.
Make sure to include the correct units.
Circumference:
Area:
(b) The courtyard will be covered with gravel.
Which measure would be used in finding the amount of gravel needed?
- Circumference
- Area
(c) The courtyard will be paved.
Which measure would be used in finding the amount of pavement needed?
- Circumference
- Area
The circumference and area of the courtyard are:
Circumference = 301.44 m
Area = 7234.56 m²
How to find the circumference and area of the courtyard?a) Circumference = πd
Circumference = 3.14 × 96 m
Circumference = 301.44 m
Area = πr²
Area = 3.14 × (96/2)²
Area = 7234.56 m²
(b)The measure that would be used in finding the amount of gravel needed is the area. Because the amount of gravel depends on the area of the courtyard.
(c) The measure that would be used in finding the amount of pavement needed is the area. Because the pavement size depends on area of the courtyard.
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Ryan deposits $775 in an account that pays 1.24% simple interest for 4 years. Brian deposits$775 in an account that pays 1.24% simple interest for 1 year. What is Brian's interest after the first year?
Therefore, Brian's interest after the first year would be $775 x 1.24% = $9.61
Explanation:
To find Brian's interest after the first year, we simply need to multiply his deposit of $775 by the interest rate of 1.24%.
Brian's interest after the first year would be:
$775 x 1.24% = $9.61
Brian's interest after the first year on his deposit of $775 in an account that pays 1.24% simple interest would be $9.61. Simple interest is calculated by multiplying the principal amount by the interest rate and the time period. In this case, since the time period is one year, we only need to calculate the interest for one year. On the other hand, Ryan deposited the same amount in an account that pays 1.24% simple interest for four years, so his interest would be different and calculated using a different formula.
Therefore, Brian's interest after the first year would be $775 x 1.24% = $9.61
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