The location of the other 2 fountains, given the coordinates of the fountain would be (-6, 6) and (0, 6).
How to find the fountains ?The fountain at (-3, 6) is located exactly in the middle of the horizontal line segment between the other two fountains, so the distance between each of the other two fountains and the middle fountain is 3 units (half of the total distance of 6 units).
Since the line segment is horizontal, the y-coordinate for both fountains will be the same as the middle fountain, which is 6.
Now we need to find the x-coordinates. We'll add 3 units to the x-coordinate of the middle fountain for one of the other fountains and subtract 3 units for the other one:
Fountain A: (-3 - 3, 6) = (-6, 6)
Fountain B: (-3 + 3, 6) = (0, 6)
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HELP!!!!!!!! For #19-20, solve for x. simplify all radicals.
Answer:
19. sqrt{305}
20. 3*sqrt{7}
Step-by-step explanation:
You use the Pythagorean theorem, which can be applied to right triangles. It states that x^2+y^2 = hypotenuse ^2, where x and y are the two sides other than the hypotenuse.
Step-by-step explanation:
hope this will gel help u
Can you please help me and also explain
Answer:
We can begin by simplifying each equation:
A. 52 = 8n + 4 can be rewritten as 48 = 8n or 6 = n
B. 4(2n + 1) = 52 can be simplified to 8n + 4 = 52 or 8n = 48 or 6 = n
C. 4=52-8n can be rewritten as 8n = 48 or 6 = n
D. 4n = 48 can be simplified to n = 12
Therefore, equations A, B, and C are equivalent, and equation D is not equivalent to the others.
So, the correct answers are A, B, and C.
Answer:
Step-by-step explanation:first you have to multiply then divide then add then subtract and then substitute and then you will get the answer.
what extraneous solution arises when solving for the point of intersection of the line f(x)=-1/2x+6 and the square root function f(x)= √x-4
The extraneous solution which arises when solving for the point of intersection of the line and the square root function is 20.
What is an extraneous solution?
An extraneous solution in mathematics is a solution that develops during the process of addressing the problem but is not a legitimate solution to the problem, such as the answer to an equation.
We are given two equations as f(x) = [tex]\frac{-1}{2}[/tex]x + 6 and f(x) = √x - 4.
Now, on equating both the equations, we get
⇒ [tex]\frac{-1}{2}[/tex]x + 6 = √x - 4
On squaring both sides, we get,
⇒ [tex](\frac{-1}{2}x + 6)^{2}[/tex]= x - 4
⇒ [tex]\frac{1}{4}x^{2}[/tex] + 36 - 6x = x - 4
⇒ [tex]\frac{1}{4}x^{2}[/tex] + 40 = 7x
⇒ [tex]\frac{1}{4}x^{2}[/tex] -7x + 40 = 0
⇒ [tex]x^{2}[/tex] -28x + 160 = 0
⇒ x = 20 , 8
For point of intersection, we will substitute x = 20 in both the equations.
So, we get
⇒ f(x) = [tex]\frac{-1}{2}[/tex] (20) + 6
⇒ f(x) = -10 + 6
⇒ f(x) = -4
Similarly,
⇒ f(x) = √20 - 4
⇒ f(x) = √16
⇒ f(x) = 4
Since both the solutions are not same so this is an extraneous solution.
Hence, the extraneous solution which arises is 10.
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FARMING A dairy farmer has 2650 dairy cows on his farm. If each dairy cow produces 2320 gallons of milk per year, how much milk does the dairy farm yield in one year? Write your answer in scientific notation.
Answer:
To calculate the total milk yield in one year, we need to multiply the number of dairy cows by the amount of milk each cow produces per year:
Total milk yield = 2650 dairy cows × 2320 gallons of milk per cow per year
Total milk yield = 6,188,000 gallons per year
To write this answer in scientific notation, we need to express the number 6,188,000 as a number between 1 and 10 multiplied by a power of 10. We can do this by moving the decimal point to the left until we have a number between 1 and 10, and counting the number of decimal places we moved. In this case, we need to move the decimal point 6 places to the left:
Total milk yield = 6.188 × 10^6 gallons per year
Therefore, the dairy farm yields 6.188 × 10^6 gallons of milk per year.
PLEASE HELP!!
Solve and explain
Answer:
Step-by-step explanation:
holy mocacrise
the radius of a right circular cone is increasing at a rate of 1.6 in/s while its height is decreasing at a rate of 2.5 in/s. at what rate is the volume of the cone changing when the radius is 136 in. and the height is 110 in.?
When the radius is 136 in. and the height is 110 in., the volume of the cone is changing at a rate of 109.76 in³/s.
The volume of a right circular cone is given by the formula V = (1/3)*πr²h, where r is the radius and h is the height. Thus, when the radius is increasing at a rate of 1.6 in/s and the height is decreasing at a rate of 2.5 in/s, the rate of change of the volume (dV/dt) is given by:
dV/dt = (1/3)*π(1.6r + 2.5h)
Substituting r = 136 in. and h = 110 in., we get
dV/dt = (1/3)*π(216 + 275) = 109.76 in³/s
Therefore, when the radius is 136 in. and the height is 110 in., the volume of the cone is changing at a rate of 109.76 in³/s.
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the skewness coefficient can be used to multiple select question. compare standard deviations. compare two samples with different measurement units. compare means. compare one sample to a known reference distribution.
The skewness coefficient is a measure of asymmetry in a distribution that can be used to compare means and compare one sample to a known reference distribution, but it is not typically used to compare standard deviations or compare two samples with different measurement units.
The skewness coefficient is a measure of the degree of asymmetry in a probability distribution. It indicates the direction and degree of skewness in a distribution, and can be used to compare means and compare one sample to a known reference distribution.
A positive skewness coefficient indicates that the distribution has a longer tail on the right side and that the mean is greater than the median, while a negative skewness coefficient indicates that the distribution has a longer tail on the left side and that the mean is less than the median.
The skewness coefficient can be useful in detecting departures from normality and in identifying outliers that might affect statistical inference.
However, the skewness coefficient is not typically used to compare standard deviations or to compare two samples with different measurement units.
Comparing standard deviations involves analyzing the variability in the data, whereas comparing means and comparing one sample to a known reference distribution involves analyzing the central tendency of the data.
Additionally, comparing two samples with different measurement units requires converting the measurements to a common scale, which is not related to skewness.
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Help me pls I don’t know what it is
The bread recipe calls for 2 more cups of flour per cup of sugar than the cookie recipe.
========================================================
Explanation:
I'll use this shorthand
s = sugarf = flourSomething like "2 cups of sugar" will shorten to "2s".
The cookies need 3s for every 6f.
Therefore we get this ratio
3s : 6f
And we can divide both sides by 3 to end up with
s : 2f
Meaning "each cup of sugar needs 2 cups of flour".
--------------------
Meanwhile, the bread recipe calls for 2s for every 8f.
2s : 8f
2s/2 : 8f/2 .... divide both sides by 2
s : 4f
When making bread, each cup of sugar needs 4 cups of flour. In other words, the amount of flour is quadruple that of the sugar.
--------------------
Recap
Cookies have the ratio of s : 2fBread has the ratio of s : 4fThese ratios are reduced so that we have "s" on the left side without any numbers attached to it. In other words, we have 1s.
We can see that the bread needs 2 more cups of flour compared to the cookies (since 4f - 2f = 2f). It's important that we reduce those ratios so that we're talking about the same amount of sugar for each food item.
This is why choice B is the final answer.
--------------------
An example:
Each food item will use 1 cup of sugar.
The cookies need twice the amount of flour, so the cookies require 2 cups of flour (because of the ratio s:2f mentioned earlier).
The bread needs quadruple the amount of flour compared to sugar. Meaning the bread needs 4 cups of flour (because of the ratio s:4f).
Then subtract to get
(4 cups flour for bread) - (2 cups flour for cookies) = 2 cups flour
Use a calculator to find M Angle B to the nearest 10th.
Answer:
60.3°
Step-by-step explanation:
You want the measure of angle B in right triangle ABC with leg BC = 8 and leg AC = 14.
TangentThe tangent relation is ...
Tan = Opposite/Adjacent
Applying this to the given triangle, we have ...
tan(B) = 14/8
The arctangent function gives you the angle from the tangent.
B = arctan(14/8) ≈ 60.3°
The measure of angle B is about 60.3°.
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Clark and bruce went to taco hut for lunch. Clark bought 4 burriots and 5 tacos. Which cost him $13. Bruce bought 5 burritos and 3 tacos, which cost him $13. Determine how much a burriot cost at taco hut
A burrito costs $2 at Taco Hut. Let's use "b" to represent the cost of a burrito and "t" to represent the cost of a taco.
From the problem, we know that:
4b + 5t = 13 (for Clark)
5b + 3t = 13 (for Bruce)
We want to determine the cost of a burrito, so we can solve for "b" using the second equation:
[tex]5b + 3t = 13\\5b = 13 - 3\\b = (13 - 3t)/5[/tex]
Now we can substitute this expression for "b" into the first equation:
[tex]4b + 5t = 13\\4[(13 - 3t)/5] + 5t = 13\\52/5 - 12t/5 + 5t = 13\\52 - 12t + 25t = 65\\13t = 13\\t = 1[/tex]
So we know that a taco costs $1. Now we can substitute this value into either of the original equations to solve for "b":
[tex]5b + 3t = 13\\5b + 3(1) = 13\\5b = 10\\b = 2[/tex]
Therefore, a burrito costs $2 at Taco Hut.
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Can someone help me with this?
I'm not sure how to execute this.
Anything helps! Will give brainliest!
Answer:
165 centimeters squared.
Step-by-step explanation:
Since we have 2 shapes combined, we need to split them to make 2 rectangles. Now that we have split these two, we can find their individual areas. We know the formula to find area is L * W = A.
So now we do 15 * 7 = 105 to find the area of the shape on the left.
To find the area of the shape on the right, we do 10 * 6 = 60.
Now we add these to get 165 centimeters squared.
Popular chocolate bar Toblerone is packaged in a triangular prism. Its cross-section is an equilateral triangle of side 3.6 cm and a perpendicular height of 3.1 cm. The length of the bar is 21 cm.
a. State the number of faces, vertices, and edges for this triangular prism.
b. Find the volume of the packaging. Show all your workings and include units in your final answer.
Given f(x)=6x and g(x)=1/3x^-2, find: (f • g) (3)
Answer:
2/3 is the answer .......mmm..
fatouma is lifting wieghts over a 10 week training period . every week , she lifts 2 kg more than she lift the previous week . during the tenth week she lifts 120 kg . what mass did she lift during the week
Fatouma lifted 1 kg during the first week and 120 kg during the tenth week. Fatouma lifted 120 kg in 10 weeks, increasing by 2 kg each week.
What is linear equation ?Linear equations are the equations of degree 1. It is the equation for the straight line. The standard form of linear equation is ax+by+c =0, where a ≠ 0 and b ≠ 0
Say the mass Fatouma lifted during the first week "x". According to the problem, she increases the weight she lifts by 2 kg every week. So, the mass of second week is "x + 2" kg, during the third week is "x + 4" kg, and so on.
Since there are 10 weeks of training, the mass she lifted during the 10th week is:
x + (10 - 1) × 2 = x + 18
We also know that during the 10th week, she lifted 120 kg. So, we can set up an equation:
x + 18 = 120
Solving for x, we get:
x = 102
Thus, Fatouma lifted 102 kg during the first week of training.
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In terms of the water lily population change, the value 3.915 represents: the value 1.106 represents:
The value 3.915 represents the y-intercept or the initial or baseline water lily population when there are no changes in the independent variable (x). the coefficient 1.106 represents the slope of the regression line or the rate of change in the dependent variable (y).
In the regression equation y = 3.915(1.106)x, the coefficient 3.915 represents the y-intercept or the value of y when x is 0. In the context of the water lily population change, this means that when there are no changes in the independent variable (x), the predicted value of the dependent variable (y) is 3.915, which represents the initial or baseline water lily population.
The coefficient 1.106 represents rate of change in the dependent variable (y) per unit change in the independent variable (x) or the the slope of regression line . In the context of the water lily population change, this means that for every unit increase in the independent variable (which could be time, environmental factors, or any other relevant variable), the predicted value of the dependent variable (y) increases by a factor of 1.106. In other words, the water lily population is expected to grow by 1.106 times for every unit increase in the relevant variable.
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____The given question is incomplete, the complete question is given below:
The regression equation you found for the water lilies is y = 3.915(1.106)x.
In terms of the water lily population change, the value 3.915 represents:
The value 1.106 represents:
Answer:
The value of 3.915 is the initial number
of water lilies. It is approximately 4, which matches
the data.
The value 1.106 is the growth rate. The rate represents growth for each day. The percentage growth each day is 10.6%
Step-by-step explanation:
at steady state, the throughput time for one loaf is 3 hours 30 minutes. how much total wip is in the system, in loaves
At steady state, the total WIP in the system is equal to the throughput time divided by the time it takes to make one loaf. Thus, the total WIP in the system is 3.5 loaves.
The total WIP in a system is the sum of all of the work that is in progress. At steady state, the total WIP in the system can be calculated by dividing the throughput time (the time it takes for one loaf to be processed from start to finish) by the time it takes to make one loaf.
In this example, the throughput time is 3 hours 30 minutes and it takes 1 hour to make one loaf. Therefore, the total WIP in the system is 3.5 loaves. This means that at any given time, there are 3.5 loaves in progress in the system.
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Determine the equation of the circle graphed below.
Answer:
The center of the circle is at (0, 3), and the radius of the circle is 2.
So the equation of the circle is
[tex] {x}^{2} + {(y - 3)}^{2} = {2}^{2} [/tex]
[tex] {x}^{2} + {(y - 3)}^{2} = 4[/tex]
if the sun rotates once every 24.5 days at the equator, once every 24.8 days at latitude 15 degrees, and once every 34.3 days at the poles, what is the average number of days the sun takes to rotate once based on these three numbers?
Answer:
Step-by-step explanation:
To find the average number of days it takes for the sun to rotate once, we can add the three rotation periods and divide by 3:
Average rotation period = (24.5 + 24.8 + 34.3) / 3
Average rotation period = 83.6 / 3
Average rotation period = 27.87 days (rounded to two decimal places)
Therefore, the average number of days it takes for the sun to rotate once based on the given information is approximately 27.87 days.
4. Mrs. Green made lunch for her
family. She made turkey sandwiches
and cheese sandwiches. She also
made coconut cookies and oatmeal
cookies. Which list shows all the
possible combinations if a person
picked one sandwich at random and
one cookie at random?
All of these are the combinations that might be made if a person chose a sandwich and a biscuit at random.
What do you mean by probability?The possibilities of the result of any random event is known as probability. This phrase refers to determining the likelihood that any given occurrence will occur.
Turkey & cheese sandwiches and two varieties of cookies are available (coconut and oatmeal). As a result, there seem to be 2 x 2 = 4 different sandwich and biscuit combinations from which to pick.
The following four pairings are possible:
sandwich with turkey and a coconut biscuit
Oatmeal cookies and a turkey sandwich
Coconut cookies and a cheese sandwich
Oatmeal cookies with a cheese sandwich
So all of these are the combinations that might be made if a person chose a sandwich and a biscuit at random.
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an order of award presentations has been devised for seven people: jeff, karen, lyle, maria, norm, olivia, and paul. in how many different orders can the awards be presented so that maria and olivia will be one after the other?
There are 2 x 120 = 240 possible arrangements in which Maria and Olivia are adjacent.
An order of award presentations has been devised for seven people, including Jeff, Karen, Lyle, Maria, Norm, Olivia, and Paul. We must find out how many different orders the awards can be presented in if Maria and Olivia will be one after the other.There are six possible pairs:
{M, O}, {O, M}, {J, M}, {M, K}, {L, M}, and {M, N}.
In the total number of arrangements, these pairs can occur in two different ways. They are:-
The pair can come first, and the remaining people can be arranged in the rest of the arrangement- The pair can come last, and the remaining people can be arranged in the rest of the arrangement.That is, each pair may appear at the beginning or end of the arrangement, and the remaining persons may be arranged in the remaining positions in any order.
The arrangements would be the same for all six pairs, so we can choose any pair and multiply the outcome by 6.Choose the pair {M, O}. The pair may appear at the start or end of the sequence. There are 2 ways to pick which pair appears first or second.There are 5 individuals left to be arranged. The remaining 5 people can be arranged in 5! = 120 ways.
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Roberto plays on the school baseball team. In the last 10 games, Roberto was at bat 44 times. While at bat, Roberto got 11 hits and struck out 33 times. What is the experimental probability that Roberto will get a hit during his next time at bat?
The experimental probability that Roberto will get a hit during his next time at bat is 0.25 or 25%.
The experimental probability of an event is calculated by dividing the number of times the event occurred by the total number of trials.
In this case, the event is "getting a hit" and the number of times it occurred is 11. The total number of trials is 44, which represents the number of times Roberto was at bat.
Experimental probability of getting a hit = Number of times Roberto got a hit / Total number of times at bat
Experimental probability of getting a hit = 11 / 44
Experimental probability of getting a hit = 0.25 or 25%
Therefore, the experimental probability that Roberto will get a hit during his next time at bat is 0.25 or 25%.
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How do you solve the equation x=1.8x+32
One way to do this is to subtract 1.8x from both sides of the equation, which gives:
x - 1.8x = 32
Simplifying the left-hand side, we get:
-0.8x = 32
To solve for x, we can divide both sides of the equation by -0.8:
x = 32 / (-0.8)
Simplifying, we get:
x = -40
Answer this question. I will give brainlist.
The given diagram represents a right circular cylinder with a base equation of (x - 0)² + (y - 0)² = 7², resulting in an ellipse with an equation of (x - 0)²/4² + (y - 0)²/5² = 1.
The given diagram represents a right circular cylinder with a height of 10 meters and a radius of 7 meters, which means the base of the cylinder is a circle with a radius of 7 meters. The equation of the circle is (x - 0)² + (y - 0)² = 7², where (0, 0) is the center of the circle.
The cylinder has been sliced by a plane that is parallel to the base and 4 meters from the center of the cylinder. This means the distance between the center of the cylinder and the plane is 4 meters.
Mathematically, the equation of the ellipse can be written as (x - 0)²/4² + (y - 0)²/5² = 1, where the center of the ellipse is (0, 0), and the semi-major axis is 5 meters and the semi-minor axis is 4 meters.
So, the given diagram described as a right circular cylinder with a base equation of (x - 0)² + (y - 0)² = 7², sliced by a plane parallel to the base and 4 meters from the center of the cylinder, resulting in an ellipse with an equation of (x - 0)²/4² + (y - 0)²/5² = 1.
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in three combined decks of cards, what is the fewest number of cards you must pick at random to be guaranteed at least one four-of-a-kind?
four is the minimal because you want to draw all four to the four of a kind
How many ways can you make chance. 45 cents
Answer:
There are several ways to make 45 cents using different coins:
Nine nickels
Four dimes and one nickel
Three dimes and six nickels
Two dimes and one quarter
One dime, two nickels, and three pennies
One quarter and two dimes
One quarter, one dime, and four nickels
One quarter, three nickels, and five pennies
45 pennies
So there are 9 ways to make 45 cents.
I Hope This Helps!
Can someone help me please
What is value of x?
Enter your answer in the box.
X =
B
8
A
X+4
12
2x + 1
C
Next ►
We can deduce that X + 4 = 8 by looking at the top row & second column. The X value is therefore 4.
The word "column" has what meaning?an arrangement of written or printed items on a page that are vertical. a vertical part of a printed page divided into two or more equal columns of numbers.
X + 4 corresponds to a value in the second column and top row.
The third row's value is equal to the first column's value plus two.
(Third row, second column) The value is 12 at the bottom right corner.
First row and the first column, top left, represents value as B.
It reads 8, first row, second column, in the upper right corner.
C is the value located on the bottom left (third row, first column).
We can deduce that X + 4 equals 8 from top row & second column. Hence, we can find X:
X plus 4 = 8
When we take 4 away from both sides, you get:
X = 4
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assume that respondents aged 70 or older are only one-third as likely to be in an internet sample as their actual incidence in the population. using the propensity scoring method, their responses would be
The propensity scoring method is a statistical technique used to adjust for differences in the characteristics of groups being compared in a study. In this case, we want to adjust for the fact that respondents aged 70 or older are underrepresented in an internet sample.
To do this, we can assign a propensity score to each individual in the sample based on their likelihood of being in the sample, given their age. We can then use this score to weight their responses to account for the underrepresentation of older individuals.
In this case, we know that respondents aged 70 or older are only one-third as likely to be in an internet sample as their actual incidence in the population. This means that we can assign a propensity score of 3 to each individual aged 70 or older in the sample, and a propensity score of 1 to everyone else.
Using these propensity scores, we can weight the responses of each individual in the sample. Responses from individuals with a propensity score of 3 would be weighted by a factor of 3, while responses from individuals with a propensity score of 1 would be weighted by a factor of 1.
By adjusting for the underrepresentation of older individuals in this way, we can obtain more accurate estimates of the characteristics of the population being studied, and reduce the potential for bias in our analysis.
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Polygon ABCD with vertices at A(1, −1), B(3, −1), C(3, −2), and D(1, −2) is dilated to create polygon A′B′C′D′ with vertices at A′(4, −4), B′(12, −4), C′(12, −8), and D′(4, −8). Determine the scale factor used to create the image.
1/4
1/2
2
4
The scale factor used to create the dilated polygon is 4.
What is scaler factor?
Scale factor is a numerical ratio that describes how much a geometric figure has been enlarged or reduced. It is the ratio of the length of a side, diagonal, or any other linear dimension of the new (dilated) figure to the corresponding dimension of the original figure.
The distance between two points can be calculated using the distance formula: [tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$.[/tex]
To determine the scale factor, we need to compare the distances between corresponding points in the original and dilated polygons. Let's start by finding the distance between points A and B in the original polygon:
[tex]$d_{AB}=\sqrt{(3-1)^2+(-1+1)^2}=\sqrt{4}=2$[/tex]
Now let's find the distance between corresponding points A' and B' in the dilated polygon:
[tex]$d_{A'B'}=\sqrt{(12-4)^2+(-4+4)^2}=\sqrt{64}=8$[/tex]
To find the scale factor, we divide the corresponding distances:
[tex]$scale\ factor=\frac{d_{A'B'}}{d_{AB}}=\frac{8}{2}=4$[/tex]
Therefore, the scale factor used to create the dilated polygon is 4.
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How many tons of cardboard does it take to make boxes for 250 million tubes of toothpaste if the weight of one box is 0.51 oz.?
Answer:
3,984.375 tons
Step-by-step explanation:
First, let's convert the weight of one box from ounces to tons:
0.51 oz = 0.51/16 = 0.031875 lbs
1 lb = 0.0005 tons (since 1 ton = 2000 lbs)
0.031875 lbs = 0.031875 x 0.0005 = 0.0000159375 tons
Next, let's calculate the total weight of cardboard needed for 250 million boxes:
Total weight of cardboard = weight of one box x number of boxes
Total weight of cardboard = 0.0000159375 tons x 250,000,000
Total weight of cardboard = 3,984.375 tons