Answer: a1 = 3 and an = an-1 + 3(-1)n
Step-by-step explanation:
* start off with the first term being a1 = 3
* add on 3 to get to 6 as the second term
* add on -3, to get back to 3 once more
* add on the general term 3*(-1)^n (bc the pattern continues like, forever)
* term is found by a(n) = a(n-1) + 3*(-1)^n
I think This is correct as I found a similar brainly post
Is 0.999
A) Likely
B) Unlikely
C)Neither unlikely or likely
D)Impossible
Answer: A) Likely
Step-by-step explanation: Without further context, it's hard to tell what 0.999 represents.
Answer: The number 0.999 is a valid number that exists between the values of 0 and 1 on the number line. Therefore, it is possible and not unlikely or impossible. The correct answer is option C, which is "Neither unlikely nor likely".
Step-by-step explanation: The number 0.999 is the decimal representation of a fraction that is very close to 1 but not relatively equal to 1. However, it is still an important number found between 0 and 1 on the number line and is commonly used in math and science.
The statement "0.999 is probable" or "0.999 is unlikely” suggests that the number is somehow unique or rare, which it is not. In fact, 0.999 is a standard number used in many calculations and applications.
So the correct answer is option C, which means that 0.999 is neither particularly probable nor improbable. It only exists as a valid number between 0 and 1.
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a good hypothesis group of answer choices does not need a control. can be accepted or rejected. does not require repeated experimentation. all of the above none of the above
The hypothesis can be accepted or rejected based on the results of the experiment.
A good hypothesis from the given group of answer choices can be accepted or rejected. It is important for a hypothesis to be testable and falsifiable, which means that it should be possible to support or disprove it through experimentation or observation.
A control is necessary in experiments to compare the results and determine if the independent variable has an effect on the dependent variable.
Repeated experimentation is essential to ensure the validity and reliability of the results obtained.
Therefore, the correct answer is none of the above.
A hypothesis is an educated guess or a proposed explanation for an observation or a scientific problem.
In order to be considered a good hypothesis, it should have the following characteristics:
1. Testable and falsifiable: A good hypothesis should be possible to test through experimentation, observation, or other scientific methods. This means that it should be possible to gather evidence that either supports or disproves the hypothesis.
2. Clearly stated: A good hypothesis should be stated clearly and concisely, so that it is easy to understand what is being proposed and what the expected outcome is.
3. Based on existing knowledge: A good hypothesis should be based on existing knowledge and previous research. This means that it should be grounded in known facts, theories, or observations.
4. Specific: A good hypothesis should be specific in its predictions, making it easier to test and providing clearer results.
In conclusion, a good hypothesis can be accepted or rejected, should be testable and falsifiable, requires a control, and requires repeated experimentation to ensure the reliability and validity of the results.
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samantha needs to mix a 40% alcohol solution with a 60% alcohol solution to create 100 milliliters of a 58% solution. how many milliliters of each solution must samantha use?
Samantha needs to mix 10 milliliters of the 40% alcohol solution with 90 milliliters of the 60% alcohol solution to create 100 milliliters of a 58% solution.
Let x be the number of milliliters of the 40% alcohol solution that Samantha needs to mix, and let y be the number of milliliters of the 60% alcohol solution. Since Samantha needs to create 100 milliliters of a 58% solution, we can write the following system of equations:
x + y = 100 (equation 1: total volume)
0.4x + 0.6y = 0.58(100) (equation 2: alcohol concentration)
In equation 1, we see that the total volume of the resulting mixture must be 100 milliliters. In equation 2, we convert the concentration of the 58% solution into a decimal and set it equal to the weighted average of the concentrations of the two solutions.
We can solve this system of equations to find the values of x and y:
x + y = 100
0.4x + 0.6y = 58
Multiplying the first equation by 0.4, we get:
0.4x + 0.4y = 40
Subtracting this equation from the second equation, we get:
0.2y = 18
y = 90
Substituting y = 90 into equation 1, we get:
x + 90 = 100
x = 10
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The perimeter of the shape below is 84 feet. What is the area (in square feet)?
The dimensions are as follows for a rectangle:
6x and 4x+2
Answer:
432 square feet
Step-by-step explanation:
12x+8x+4=84
20x=80
x=4
6(4)=24
4(4)+2=18
24 x 18 = 432
Answer the following questions, please
8. The volume of the right cylinder is
Area of base of the cylinder * height9. The height of a slice is h/10
10. The approximate volume of the slice when divided into 10 is
Area of base of the cylinder * h / 1011. The approximate volume of the oblique cylinder by summing up the slices is
Area of base of the cylinder * height12. Cavalieri's principle tells us that if we have two three-dimensional objects that have the same cross-sectional area at every level, then they will have the same volume.
What is the base of the cylinder?The base of the cylinder is a circle, hence area of the base which is area of a circle is given by the formula
= πr^2
Since the two cylinders, have same cross-sectional area at all points. then the area of the base = πr^2
With a common height, h we have the volume
= Area of base of the cylinder * height
= πr^2 * h
Cavalieri's principle let us know that if the solid object have equal cross-sectional area at same points then the volume at a particular point is equal
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5 yards of shirt fabric cost nine dollars how much does 12 yards of the same fabric cost? Please help me understand if you could!!!
HELP!!!!! Please. I really need it.
Let's call the price of the motorcycle "x".
We know that Lenny paid 12.5% in tax, which is the same as 0.125 as a decimal.
To find out how much tax Lenny paid, we can multiply the price of the motorcycle by 0.125:
0.125x = $1437.50
Now we can solve for x by dividing both sides by 0.125:
x = $11,500
Therefore, the price of the motorcycle, not including tax, was $11,500.
Answer:
Your question is:
1437.5 is 12.5% of what number?
1437.5 = 0.125x
x = 1437.5/.125 = $11,500
Therefore, the answer is $11,500!
Step-by-step explanation:
Please brainliest if the helped you a lot! And tell me if I am wrong! I would be so sorry if it was wrong! :D
if $x$ and $y$ are positive integers for which $3x + 2y + xy = 115 + 7x + 6y$, then what is $x + y$?
The value of x + y is (xy -115)/4 .
What is Equation?An equation is a mathematical statement that is made up of two expressions connected by an equal sign. For example, 3x – 5 = 16 is an equation. Solving this equation, we get the value of the variable x as x = 7.
given expression is ,
3x + 2y + xy = 115 + 7x + 6y
so, we have to find the value of x + y
take the value of x and y at one side ,
xy = 7x + 6y - 3x - 2y +115
xy = 4x + 4y + 115
take the integer on other side,
4x + 4y = xy -115
take 4 common from left hand side,
4( x + y) = xy - 115
x + y = (xy -115)/4
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Cuanto es ¿2x-3=6+x?????????
Answer: x=9
Step-by-step explanation:
2x-3=6+x
Add similar variables.
2x-3=6+x
+3 +3
2x=9+x
-x -x
x=9
Hope this helped!
Answer:
x=9
Step-by-step explanation:
primero, tomas y restas x de ambos lados.
2x-3=6+x
-x. - x
eso te deja con x-3=6. luego sumas 3 a ambos lados
x-3=6
+3. +3
eso te deja con x=9
Darlene organizes recycling drives for old cellular phones and other electronics. She is paid
$200 per week plus $25 for each event. This month, she will work four weeks and wants to
earn at least $1,200. Darlene decides to organize four recycling events each week this month.
Enter an inequality for the number of events Darlene needs to organize to reach her goal of
at least $1,200. Solve the inequality and explain whether four events each week are enough
to meet her goal.
(Please help)
If the number of events is taken as x then the inequality is:
[tex](200*4)+(x*25)\geq 1200[/tex] ( as there are only 4 weeks in a month )
If we further solve this inequality we can get the answer:
[tex]800+(x*25)\geq 1200[/tex]
[tex]x*25\geq 400[/tex]
[tex]x\geq \frac{400}{25}[/tex]
[tex]x\geq 16[/tex]
So, as we saw here, the minimum number of events required for Darlene to complete the goal is 16.
But she is planning to organize 4 events which is insufficient. She needs to organize 12 more events in order to satisfy the inequality.
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Let's first calculate how much Darlene will earn in one week by organizing four recycling events:
$200 (base pay) + $25 (per event) x 4 (number of events) = $300
So, if Darlene organizes four recycling events per week, she will earn $300 per week.
To reach her goal of at least $1,200 in four weeks, we can set up the following inequality:
4 x (number of events) x $25 + $200 x 4 ≥ $1,200
100 x (number of events) + $800 ≥ $1,200
100 x (number of events) ≥ $400
(number of events) ≥ 4
Therefore, the number of events Darlene needs to organize to reach her goal of at least $1,200 is at least 4.
Since Darlene plans to organize four recycling events per week, this means she would need to work four weeks to reach her goal. Therefore, organizing four events each week would be enough to meet her goal, as long as she works all four weeks
The value of a collectible coin can be represented by the equation y = 2X+ 9.74, where x represents the number of
vears that Consuello has owned the coin and y represents the total value, in dollars, of the coin. What was the value of the coin when Consuello originally purchased it?
The value of the coin when Consuello originally purchased it was $9.74.
What is the value of coin?
The given equation is y = 2x + 9.74, where x represents the number of years that Consuello has owned the coin and y represents the total value of the coin in dollars.
To find the value of the coin when Consuello originally purchased it, we need to find the value of y when x = 0.
Substituting x = 0 in the equation, we get:
y = 2(0) + 9.74
y = 0 + 9.74
y = 9.74
Therefore, the value of the coin when Consuello originally purchased it was $9.74.
What is coin?
A coin is a small, flat, round piece of metal or other material used as money to buy goods and services. It is typically issued by a government or other authority as legal tender and has a fixed value that is recognized within a specific country or region. Coins can be made from various metals, such as copper, nickel, silver, and gold, and often feature engravings or other designs that are intended to make them difficult to counterfeit.
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This shows the net of a triangular prism.
What is the surface area of the prism?
3,900 m2
4,200 m2
4,800 m2
12,000 m2
Step-by-step explanation:
Two rectangles 2 x 25 x 40
one rectangle 40 x 40
two triangles (Area = 1/2 * base * height)
2 x 1/2 * 40 * 15
Total = 4200 m^2
how do you solve 2×(6÷2+8)- 4? please help I need a answer and explanation.
Answer:
18
Step-by-step explanation:
remember parenthesis, always first then left to right so 6/2 is 3 +8 is 11 the x 22 is 22 then - 4 is 18 so your answer is 18
Mrs. Tinney’s class has the following scores on their most recent test:
100
98 95 88 72 16 0 78 80
85
Calculate the five number summary and use it to draw (and label) your box and whisker plot on a number line. Show your work for all calculations.
If Mrs. Aguiar’s class has a five number summary of: 30, 50, 80, 90, 95, which class’ scores are more consistent? How do you know?
The mean for Mrs. Tinney’s class is 71.2 and the mean for Mrs. Aguiar’s class is 79. What conjecture could we make about symmetry? Explain.
The five number summary for Mrs. Tinney's class is: 0, 72, 85, 96.5, 100. Tinney's class has a smaller IQR. We would need to look at a histogram or box and whisker plot to confirm these conjectures.
Describe Median?The median is a statistical measure that represents the middle value of a dataset. It is the value that separates the lower half of the dataset from the upper half. To find the median, the data must be arranged in order from smallest to largest, and then the middle value is identified.
If the dataset contains an odd number of values, then the median is the middle value. For example, if the dataset is {2, 4, 6, 7, 9}, then the median is 6, which is the middle value.
If the dataset contains an even number of values, then the median is the average of the two middle values. For example, if the dataset is {2, 4, 6, 7, 9, 10}, then the median is (6+7)/2 = 6.5, which is the average of the two middle values, 6 and 7.
To find the five number summary for Mrs. Tinney's class, we first need to order the scores from least to greatest:
0, 16, 72, 78, 80, 85, 88, 95, 98, 100
The minimum score is 0 and the maximum score is 100.
The median is the middle score, which is 85.
To find the first quartile, we split the scores into two halves at the median and find the median of the lower half:
0, 16, 72, 78, 80
The median of the lower half is 72.
To find the third quartile, we find the median of the upper half:
88, 95, 98, 100
The median of the upper half is 96.5.
Therefore, the five number summary for Mrs. Tinney's class is: 0, 72, 85, 96.5, 100.
To compare the consistency of the two classes, we can look at the interquartile ranges (IQRs), which give the range of scores that contain the middle 50% of the data. The IQR for Mrs. Tinney's class is 96.5 - 72 = 24.5, while the IQR for Mrs. Aguiar's class is 90 - 50 = 40. Mrs. Tinney's class has a smaller IQR, which means that their scores are more consistent.
The means for the two classes suggest that the data may not be symmetric. If the data were symmetric, we would expect the means to be roughly in the middle of the data set. However, the mean for Mrs. Aguiar's class is closer to the upper end of the data set, which suggests that the data may be skewed to the right. The mean for Mrs. Tinney's class is closer to the lower end of the data set, which suggests that the data may be skewed to the left. However, we would need to look at a histogram or box and whisker plot to confirm these conjectures.
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3. Sarah is ready to buy her first car and will need to finance $32,000. She is currently considering two different loan options through Capital One Auto and Chase Auto. Each of the loan options is for a 72 month term.
Capital One Auto is offering a 6.9% interest rate compounded annually
Chase Auto is offering a 7.8% simple interest rate
Using a full sentence, explain which of the two loans you believe
Sarah should choose and why.
Answer:
Capital One Auto
Step-by-step explanation:
Based on the provided information, Sarah should go for the loan option offered by Capital One Auto with a 6.9% interest rate compounded annually because it is a lower interest rate than that of Chase Auto and compounded annually is more beneficial in the long term as opposed to simple interest rate offered by Chase Auto.
Calculator
What is the surface area of this right rectangular prism?
Enter your answer as a mixed number in simplest form by filling
in the boxes.
ft²
113
1 2
3 ft
3
4
5
2½ ft
6
7
8
Answer:93 1/3 yards or 280ft
Step-by-step explanation:Step-by-step explanation: first I converted it all into feet. Giving me L=9ft H=8ft and W= 4ft
Then inserted the values into the formula for surface area SA=2lw+2lh+2hw. Then solved it all out in a calculator
Rewrite as a logarithmic equation : e^2 =x
Answer:
e^2 = x, so ln(e^2) = ln x
ln x = 2
Line A passes through the points (-1, 5) and (3, 21).
Line B passes through the points (4, -2) and (-3, 19).
Find the point where line A intersects line B.
Answer:
A line's angle of slope between two points is (5, -4).
Step-by-step explanation:
Explanations are given in attachment!
pat designs a patio with a trapezoid shaped deck consisting of 16 rows of congruent slate tiles. the numbers of tiles in the rows form an arithmetic sequence. the first row contains 15 tiles and the last row contains 30 tiles. how many tiles are used in the deck?
The number of tiles used in the deck is 525. This can be answered by the concept of arithmetic sequence.
Let x be the number of tiles in each row in the arithmetic sequence. Then, the sum of the number of tiles in all 16 rows can be expressed as the sum of an arithmetic series:
S = (n/2)(a + l),
where n is the number of terms, a is the first term, and l is the last term. In this case, n = 16, a = 15, l = 30, and x is the common difference, which can be found by using the formula:
x = (l - a) / (n - 1)
Substituting the values given, we get x = 1.25. Therefore,
S = (16/2)(15 + 30) = 525.
Therefore, the total number of tiles used in the deck is 525.
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find the probability of tossing two dice and showing at least a 4 or the sum of dice is precisely 7
The probability of tossing two dice and showing at least a 4 or the sum of dice is precisely 7 is 5/12 or approximately 0.417.
To find the probability of tossing two dice and showing at least a 4 or the sum of dice is precisely 7, we need to add the probabilities of these two events happening.
The probability of rolling at least a 4 on one die is 3/6, or 1/2 because there are three ways to roll a number greater than or equal to 4 (4, 5, or 6) out of six possible outcomes. The probability of rolling at least a 4 on both dice is the product of the probabilities of rolling at least a 4 on each die, which is (1/2) x (1/2) = 1/4.
The probability of rolling a sum of 7 on two dice is 6/36, or 1/6 because there are six possible ways to roll a sum of 7 (1+6, 2+5, 3+4, 4+3, 5+2, or 6+1) out of 36 possible outcomes.
To find the probability of rolling at least a 4 or a sum of 7, we need to subtract the probability of rolling both from the total probability of rolling either. The total probability of rolling at least a 4 or a sum of 7 is the sum of their probabilities minus the probability of rolling both, which is:
(1/2) + (1/6) - (1/4) = 5/12
Therefore, the probability of tossing two dice and showing at least a 4 or the sum of dice is precisely 7 is 5/12 or approximately 0.417.
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In cyclic quadrilateral PQRS,
[tex]\frac{\ \textless \ P}{3} =\frac{\ \textless \ Q}{4} =\frac{\ \textless \ R}{5}[/tex]
Find the largest angle in quadrilateral PQRS, in degrees. ("<" =angle and the answer isn't 120)
The largest angle in quadrilateral PQRS is angle R with a measure of 150 degrees.
what is quadrilateral?
A quadrilateral is a four-sided polygon, which is a two-dimensional closed shape with straight sides. In other words, a quadrilateral is a geometric figure that has four sides, four vertices, and four angles. The sum of the interior angles of a quadrilateral is always equal to 360 degrees. Examples of quadrilaterals include squares, rectangles, parallelograms, trapezoids, and kites.
From the given information, we have:
angle P = 3p
angle Q = 4q
angle R = 5r
Since PQRS is a cyclic quadrilateral, the sum of opposite angles is equal to 180 degrees. Therefore, we have:
angle P + angle R = 180 degrees
3p + 5r = 180 degrees
Similarly, we have:
angle Q + angle S = 180 degrees
4q + S = 180 degrees
S = 180 - 4q
To find the largest angle, we need to find the largest angle measure among angles P, Q, R, and S.
Let's substitute the expression for S in terms of q into the equation for angle Q and simplify:
angle Q = 4q
angle Q + angle S = 180 degrees
4q + (180 - 4q) = 180 degrees
4q - 4q + 180 = 180 degrees
180 = 180 degrees
This equation is true, but it does not provide any information about the largest angle in PQRS.
Let's now substitute the expressions for angles P, Q, and R in terms of p and r into the equation for angle P + angle R = 180 degrees:
3p + 5r = 180 degrees
We want to find the largest angle, so we need to find the largest value of p or r that satisfies this equation. One way to do this is to try different values of p and r that satisfy the equation and see which one yields the largest value for angle P or angle R.
Let's try p = 10 and r = 30:
3p + 5r = 3(10) + 5(30) = 150
This satisfies the equation, so we can calculate angle P and angle R:
angle P = 3p = 30 degrees
angle R = 5r = 150 degrees
Therefore, the largest angle in quadrilateral PQRS is angle R with a measure of 150 degrees.
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or
Find WX.
4
W
X
Y
49°
Write your answer as an integer or as a decimal rounded to the nearest tenth.
The length of side WX is 2.61 units
Trigonometric ratios:
Trigonometric ratios are mathematical relationships that describe the proportions between the sides of a right triangle. There are three main trigonometric ratios: sine, cosine, and tangent.
Cosine (cos) is defined as the ratio of the length of the side adjacent to the angle to the length of the hypotenuse of the right triangle. It is expressed as cosθ = adjacent/hypotenuse.
Here we have
The triangle XYW is right-angled
Where Hypotenues WY = 4
The measure of angle W = 49°
From triangonometric ratios
Cos θ = Adjacent/Hypotenuse.
Cos 49° = WX/4
0.6561 = WX/4 [ Since Cos 49° = 0.6561 ]
=> WX = 4(0.6561)
=> WX = 2.6244
=> WX = 2.61
Therefore,
The length of side WX is 2.61 units
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How do u do this???? :)
Answer:
If I did this right it should be: A)720g flour B)(i) 480g (ii) 2
Step-by-step explanation:
I need help finding the product to these algebra problems.
7. The simplified expression is 96[tex]x^{-1}[/tex][tex]y^{-5}[/tex], 8. The simplified expression is 5(m - 2)/(m - 1), 9. The simplified expression is 3/5,
10. The simplified expression is -(p + 10)/(p(9 - p)).
What is an expression?
7. To simplify the expression, we can cancel out common factors in the numerator and denominator:
(32x³ * y)/(5x * y²) * (15y)/(8x² *[tex]y^{4}[/tex] )
= (32/5) * (x³/x²) * (1/y²) * (3/2) * (1/x²) * (1/y³)
= 96[tex]x^{-1}[/tex][tex]y^{-5}[/tex]
Therefore, the simplified expression is 96[tex]x^{-1}[/tex][tex]y^{-5}[/tex].
8. The simplified expression is 5(m - 2)/(m - 1).
To simplify the expression, we can factor the numerator:
(m² - 6m + 8)/(2m - 2) = (m - 4)(m - 2)/(2(m - 1))
We can then cancel out common factors:
(m - 4)(m - 2)/(2(m - 1)) * 10/(m - 4)
= 5(m - 2)/(m - 1)
Therefore, the simplified expression is 5(m - 2)/(m - 1).
9. The simplified expression is 3/5.
To simplify the expression, we can first simplify the fractions within the parentheses:
28n + 40/35n + 50 = (4n + 8)/(5n + 10)
12n + 24/8n + 16 = (3n + 6)/(2n + 4)
We can then simplify the expression by multiplying the two fractions:
(4n + 8)/(5n + 10) * (3n + 6)/(2n + 4)
= 2(2n + 4)/(5n + 10) * 3(n + 2)/(2(n + 2))
= 3/5
Therefore, the simplified expression is 3/5.
10. The simplified expression is -(p + 10)/(p(9 - p)).
To simplify the expression, we can factor the second fraction in the numerator and then cancel out common factors:
(p + 10)/(9 - p) * (p² - 5p - 36)/(4p² + 16p)
= (p + 10)/(9 - p) * ((p - 9)(p + 4))/(4p(p + 4))
= -(p + 10)/(p(9 - p))
Therefore, the simplified expression is -(p + 10)/(p(9 - p)).
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which of the following is the standard equation of a circle with center (-1,-6) and radius 5?
Answer:
(x + 1)^2 + (y + 6)^2 = 25.
Step-by-step explanation:
The standard equation of a circle with center (h, k) and radius r is given by:(x - h)^2 + (y - k)^2 = r^2In this case, the center of the circle is (-1, -6) and the radius is 5. Substituting these values into the equation, we get:(x - (-1))^2 + (y - (-6))^2 = 5^2Simplifying and rearranging terms, we get:(x + 1)^2 + (y + 6)^2 = 25Therefore, the standard equation of the circle with center (-1, -6) and radius 5 is (x + 1)^2 + (y + 6)^2 = 25.Find the volume of the cylinder rounded to the nearest tenth.
PLSSSSSSS HELP!!
To calculate the volume, you'll need to use the formula V = πr²h, where V represents the volume, r is the radius of the circular base, h is the height of the cylinder,
and π (pi) is a mathematical constant approximately equal to 3.14159.
Hi there! I understand you need help finding the volume of a cylinder
To apply this formula, you'll first need to know the values of the radius and the height of the cylinder. Once you have these values, follow these steps:
1. Square the radius (r²).
2. Multiply the squared radius by the height (r²h).
3. Multiply the result by π (V = πr²h).
Lastly, round the calculated volume to the nearest tenth as requested. Remember that I cannot provide you with the exact volume without the radius and height of the cylinder. Please provide the values, and I'll be glad to assist you with the calculation.
Keep in mind that the answer should be concise, so providing an answer in 180 words is not necessary. The information above should be sufficient to help you understand how to calculate the volume of a cylinder.
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6. Maximizing Profits - You want to sell a certain number n of items in order to
maximize your profit. Market research tells you that if you set the price at $1.50, you
will be able to sell 5000 items, and for every 10 cents you lower the price below $1.50
you will be able to sell another 1000 items. Suppose that your fixed costs ("start-up
costs") total $2000, and the per item cost of production ("marginal cost") is $0.50.
Find the price to set per item and the number of items sold in order to maximize
profit, and also determine the maximum profit you can get.
With a price of $1.25, 7,500 goods would be sold and a profit of $3,635 would be made. This price would maximize profit.
What do we mean by profits?Profit in economics is the difference between an economic entity's revenue from outputs and all of its input costs.
It is equivalent to total income less total expenses, which includes both direct and indirect expenses.
Establishing sales methods and capturing your clients' interest requires first analyzing how profitable your goods and services are.
So, since you need to sell a certain number of items to maximize your profit, setting the price at $ 1.50 will enable you to sell 5000 items, and lowering the price by $10 will enable you to sell an additional 1000 items.
Assuming your fixed costs total $ 2000 and the cost of production per item is $ 0.50, you must determine the price to set per item, the number of items sold, and the maximum profit.
(5000 x 1.50) - (5000 x 0.50) - 2000 = 3000
(6000 x 1.40) - (6000 x 0.50) - 2000 = 3400
(7000 x 1.30) - (7000 x 0.50) - 2000 = 3600
(8000 x 1.20) - (8000 x 0.50) - 2000 = 3600
(7500 x 1.25) - (7500 x 0.50) - 2000 = 3625
Therefore, with a price of $1.25, 7,500 goods would be sold and a profit of $3,635 would be made. This price would maximize profit.
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Correct question:
You want to sell a certain number n of items in order to maximize your profit. Market research tells you that if you set the price at $1.50, you will be able to sell 5000 items, and for every 10 cents you lower the price below $1.50 you will be able to sell another 1000 items. Suppose that your fixed costs (“start-up costs”) total $2000, and the per item cost of production (“marginal cost”) is $0.50.
Solve the above engineering problem using calculus.
Hints: Find the price to set per item and the number of items sold in order to maximize profit, and also determine the maximum profit you can get.
To achieve M3, you must present your work using coherent, logical development of principles/concepts in determining the maximum profit and use technical language accurately.
To achieve D1, you must evaluate the validity of your answer using the given data.
PLS HELP WILL GIVE BRAINLIEST ALMOST DUE
Which equation could represent the line of best fit for the temperatures based on the altitudes?
Answer:
[tex]y = - \frac{7}{5} x + 59[/tex]
Addition and Subtraction of polynomials
PLEASE SOLVE THIS I NEED THIS ASAP
The polynomial that represents the profit is P(x) = 6x^2z + 8x^2 + 18xz + 24x + 12z + 16.To find the polynomial that represents the profit P(x), we need to multiply the revenue polynomial R(x) by the cost polynomial C(z). We can set up the multiplication as:
P(x) = R(x) * C(z)
P(x) = (2x^2 + 6x + 4) * (3z + 4)
Using the distributive property, we can multiply each term of the first polynomial by each term of the second polynomial:
P(x) = (2x^2 * 3z) + (2x^2 * 4) + (6x * 3z) + (6x * 4) + (4 * 3z) + (4 * 4)
Simplifying each term, we get:
P(x) = 6x^2z + 8x^2 + 18xz + 24x + 12z + 16
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A researcher estimates that a fossil is 3200 years old.Using carbon-14 dating,a procedure used to determine the age of an object,the researcher discovers that the fossil is 3600 years old.
a.Find the percent error
b.what other estimates gives the same percent error?Explain your reasoning
The percentage error between the estimated age and the carbon-14 dating age of the fossil is 12.5% and an estimated age of approximately 2978 years would give the same percent error of 12.5%.
What is the definition of percentage?
Percentage is a way of expressing a fraction or proportion as a part of 100. It is denoted by the symbol "%". The term "percent" means "per hundred". For example, if 50% of a group of people are men, it means that 50 out of every 100 people in the group are men.
Now,
a). To find the percent error between the estimated age and the carbon-14 dating age of the fossil, we can use the formula:
percent error = |(estimated age - carbon-14 dating age) / estimated age| x 100%
Substituting the given values, we get:
percent error = |(3200 - 3600) / 3200| x 100%
= |-400 / 3200| x 100%
= 12.5%
Therefore, the percent error between the estimated age and the carbon-14 dating age of the fossil is 12.5%.
b). To find other estimates that give the same percent error, we can use the formula:
percent error = |(estimated age - carbon-14 dating age) / estimated age| x 100%
If we let x be the estimated age that gives the same percent error, then we can write:
12.5% = |(x - 3600) / x| x 100%
Simplifying, we get:
0.125 = |(x - 3600) / x|
Taking the positive square root of both sides (since percent error cannot be negative), we get:
√0.125 = (x - 3600) / x
Simplifying, we get:
x = 3600 / (1 - √0.125)
x ≈ 2978
Therefore, an estimated age of approximately 2978 years would give the same percent error of 12.5% as the original estimated age of 3200 years. This means that if the fossil were actually 2978 years old, the carbon-14 dating would have given an age estimate of approximately 3299 years, which is 12.5% higher than the true age.
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