Answer:
The answer is
\(-\frac{9}{7} \)Step-by-step explanation:
The slope of a line given two points can be found by using the formula
\(m = \frac{ y_2 - y _ 1}{x_ 2 - x_ 1} \\\)
where
(x1 , y1) and (x2 , y2) are the points
From the question the points are
G(–2, 6) and H(5, –3)
The slope is
m = -3 - 6 / 5 -- 2 = - 9 /7
Hope this helps you
Hi can someone help me to solve this? I would be so appreciated if you willing to help me
Nora and Farhan were asked to simplify (2x²/y)³
Nora wrote this : (2x²/y)³ = 2x⁶/y³
Farhan wrote this : (2x²/y)³ = 8x⁵/y
Both Nora and Farhan obtained the wrong solutions.
(i) Highlight the possible misconceptions that Nora and Farhan might have.
Nora's misconceptions:
Farhan's misconceptions:
(ii) provide the correct solution :
Answer:
HOPE ITS HELPFUL TO yours
Can you I dentify the following number. Choose all that apply?
The number given is
\(5\sqrt[]{2}\)It is a real number , irrational number and integer.
The correct options are
Irrational number
Integer
Real number.
Multiline Indirect Truth Tables for Validity - Practice 2
If there is more than one way to make the premises of an argument true and the conclusion of the argument false, an indirect truth table for the argument will require more than one line. In this case, either select one of the premises and compute all of the ways it can be made true, or select the conclusion and compute all of the ways it can be made false. Having made your selection, compute the truth values in each line, beginning with the first line. Whenever you complete any line without deriving a contradiction, stop! The argument has been proved invalid. If you derive a contradiction on the first line, proceed to the second line. If no contradiction is derived on the second line, again, stop because the argument has been proved invalid. If you derive a contradiction on the second line, proceed to the third line, and so on. If each of the lines necessarily leads to a contradiction, the argument is valid.
Solve the indirect truth table for this argument:
Given Argument
Premise 1: ~J ≡ K
Premise 2: (K ⊃ L) • (L ⊃ K)
Premise 3: K ∨ (B ⊃ I)
Conclusion: ~J ≡ L
On paper, construct an indirect truth table for the given argument. (Note: a correct indirect truth table for this argument will require more than one line.) Then explain your results by filling in the following statements.
Assumptions: The premises were assumed to be and the conclusion to be .
Results: Since this assumption results in , the argument is .
the assumption of true premises and a false conclusion leads to a contradiction, and thus the given argument is invalid.
In the indirect truth table, we consider different truth value assignments to the propositions involved in the argument to determine if there is any combination that satisfies the premises while making the conclusion false. If we find a line where the premises are true and the conclusion is false, it indicates that the argument is invalid.
In this case, by examining the truth values of propositions J, K, L, B, and I, we can derive the truth values for the premises and conclusion in each line of the indirect truth table. After evaluating multiple lines, we find that in all cases where the premises are true, the conclusion is also true. There is no line where the premises are true and the conclusion is false, indicating that the argument is invalid.
Therefore, based on the results of the indirect truth table, we can conclude that the assumption of true premises and a false conclusion leads to a contradiction, and thus the given argument is invalid.
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please answer to this fast !!
To gain 10% profit, the shopkeeper must offer a 8.33% discount on the market price.
What is the profit ?Profit is the difference between the total revenue and total cost of a business. It is an important measure of the success of a business, as it shows how much money the business is making from its operations. Profit is usually expressed as a percentage of the total revenue. It is also known as "net income" or "net profit" and is the amount of money left over after all expenses, including taxes, have been paid. Profit is important because it allows a business to reinvest in itself, expand, and grow. It can also be used to pay dividends to shareholders, increase wages, and cover other expenses.
To gain 10% profit, the shopkeeper must offer a 8.33% discount on the market price. This is because if the shopkeeper was gaining 20% before, a 10% discount would reduce the profit he is making to 10%.
Lets 20% gain = $20
Then market price be = 120/100 = $120
10% gain = $110
Discount = $120 - $110
= $10
Discount % = 10/120
= 0.083
= 8.33%
Thus, To gain 10% profit, the shopkeeper must offer a 8.33% discount on the market price.
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answer the following, Round final answer to 4 decimal places. a.) Which of the following is the correct wording for the randon variable? r×= the percentage of all people in favor of a new building project rv= the number of people who are in favor of a new building project r N= the number of people polled r×= the number of people out of 10 who are in favor of a new building project b.) What is the probability that exactly 4 of them favor the new building project? c.) What is the probabilitv that less than 4 of them favor the new building project? d.) What is the probabilitv that more than 4 of them favor the new building project? e.) What is the probabilitv that exactly 6 of them favor the new building project? f.) What is the probability that at least 6 of them favor the new building project? 8.) What is the probabilitv that at most 6 of them favor the new building project?
In this problem, we are dealing with a random variable related to people's opinions on a new building project. We are given four options for the correct wording of the random variable and need to determine the correct one. Additionally, we are asked to calculate probabilities associated with the number of people who favor the new building project, ranging from exactly 4 to at most 6.
a) The correct wording for the random variable is "rv = the number of people who are in favor of a new building project." This wording accurately represents the random variable as the count of individuals who support the project.
b) To calculate the probability that exactly 4 people favor the new building project, we need to use the binomial probability formula. Assuming the probability of a person favoring the project is p, we can calculate P(X = 4) = (number of ways to choose 4 out of 10) * (p^4) * ((1-p)^(10-4)). The value of p is not given in the problem, so this calculation requires additional information.
c) To find the probability that less than 4 people favor the new building project, we can calculate P(X < 4) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3). Again, the value of p is needed to perform the calculations.
d) The probability that more than 4 people favor the new building project can be calculated as P(X > 4) = 1 - P(X ≤ 4) = 1 - (P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4)).
e) The probability that exactly 6 people favor the new building project can be calculated as P(X = 6) using the binomial probability formula.
f) To find the probability that at least 6 people favor the new building project, we can calculate P(X ≥ 6) = P(X = 6) + P(X = 7) + P(X = 8) + P(X = 9) + P(X = 10).
g) Finally, to determine the probability that at most 6 people favor the new building project, we can calculate P(X ≤ 6) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4) + P(X = 5) + P(X = 6).
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pls help pls help 5 over 9x +1
Answer:
The expression 5/(9x+1) is already simplified. It cannot be further simplified or "solved" because it is not an equation, it is just an expression.
Step-by-step explanation:
I thought a bleep who lost the baddest bleep said sum
Answer:
i did say something boo boo
Step-by-step explanation:
Answer:
They did, I believe bleep's last words were "One day all this will fade away."
Step-by-step explanation:
May I have brainliest please? :)
Find the measure of m m
Answer:
can u text yr question more clearly to understand
Step-by-step explanation:
Multiply inches by 2.54 to get centimeters. Multiply inches by 25.4 to get millimeters.
Mrs. Cook ordered 200 zinnia plants for $23. One month later, she ordered 500 zinnia plants for $35. Using the cost per zinnia plant in problem #5, write a linear equation to represent the cost, C, to purchase z number of zinnia plants.
A. C=0.04z
B. C=0.25z
C. C=0.04z−15
D. C=0.04z+15
The linear equation to represent the cost, correct answer is A) C = 0.04z.
What is equation?
An equation is a mathematical statement that shows the equality of two expressions. It consists of two parts, the left-hand side (LHS) and the right-hand side (RHS), separated by an equal sign (=).
To find the cost per zinnia plant, we can first find the cost per plant for each order separately, and then take the average.
For the first order of 200 zinnia plants at a cost of $23, the cost per plant is:
$23 ÷ 200 = $0.115
For the second order of 500 zinnia plants at a cost of $35, the cost per plant is:
$35 ÷ 500 = $0.07
To find the average cost per plant, we can take the total cost and divide by the total number of plants:
($23 + $35) ÷ (200 + 500) = $0.067
So the cost per zinnia plant is $0.067.
Now we can write the linear equation to represent the cost, C, to purchase z number of zinnia plants:
C = 0.067z
Therefore, the correct answer is A) C = 0.04z.
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Factor the expression step by step
Which type of triangle can be constructed with a 50° angle between two 8-inch sides? A. Equilateral B. Isosceles C. Scalene D. Obtuse.
The correct option is (C) Isosceles. An Isosceles triangle can be constructed with a 50° angle between two 8-inch sides.
This is because isosceles triangle having two sides that are equal in length, and have 50° angle, which is acute angle, that is less than 90°. This state that the remaining angle in the triangle must also be acute triangle, as the sum of all angles in a triangle must equal 180°.
This means that the remaining angle must be 80° (i.e. 180 - 50 = 80). An isosceles triangle is triangle consisting of two sides of equal length and two angles of equal measure. The two equal sides that make up the isosceles triangle are referred to as the base and the remaining side is height or altitude.
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PLEAS HELP ASAP 50 POINTS IF RIGHT: A landscaper is creating a bench for a pool deck. A model of the bench is shown in the image.
A rectangular prism with dimensions of 7 feet by 3 feet by 4.8 feet.
Part A: Find the total surface area of the bench. Show all work. (6 points)
Part B: The landscaper will cover the bench in ceramic tiles except for the bottom that is on the ground. If the tiles cost $0.89 per square foot, how much will it cost to cover the bench? Show all work. (6 points)
Part A: To find the total surface area of the rectangular prism, we need to calculate the areas of all six faces and then add them together.
Given dimensions:
Length = 7 feet
Width = 3 feet
Height = 4.8 feet
Surface Area of each face:
Front and back faces: Length * Height
= 7 feet * 4.8 feet
= 33.6 square feet
Top and bottom faces: Width * Length
= 3 feet * 7 feet
= 21 square feet
Side faces: Width * Height
= 3 feet * 4.8 feet
= 14.4 square feet
Total Surface Area:
2 * (Front and back faces) + 2 * (Top and bottom faces) + 2 * (Side faces)
= 2 * 33.6 square feet + 2 * 21 square feet + 2 * 14.4 square feet
= 67.2 square feet + 42 square feet + 28.8 square feet
= 137 square feet
Therefore, the total surface area of the bench is 137 square feet.
Part B: To calculate the cost of covering the bench with ceramic tiles, we need to multiply the total surface area by the cost per square foot.
Cost per square foot = $0.89
Total Surface Area = 137 square feet
Total cost to cover the bench:
= Cost per square foot * Total Surface Area
= $0.89 * 137 square feet
= $121.93
Therefore, it will cost $121.93 to cover the bench with ceramic tiles.
No links No files, If u get it right you get the crown!
1-4 is correct
the answer is 0.00924
1-4 if you'll solve it will be that answer
Answer:
A.
B.
C.
D.
Step-by-step explanation:
when you solve the first equation, you get 0.00924
solving all of the equations, a-d get the same answer. only the last one - E - has a different solution.
hope this helps :)
Is it a function or non function?
i need help please, this question has been giving me a headache.
Answer:
The first box (upper left corner)
Step-by-step explanation:
Since the y-intercept is 1/4 (you can find this where x = 0), in slope intercept the second number must equal the y-intercept.
Example:
y = 3x + 2 (0,2) is the y-intercept.
Therefore, the second number must equal 1/4 which the first box is correct.
(Negative 1/4 multiplied by -1 equals positive 1/4)
The length of perpendicular drawn from the opposite vertex to any side is a) altitude b) median c) perpendicular d) angle bisector
Answer:
Step-by-step explanation:
Altitude or height
Answer
It is known as altitude
There are three such altitudes and the point of intersection of these altitudes
is called as orthocentre
Write an inequality to represent this graph.
Answer:
Answer choices?
Step-by-step explanation:
Please help its urgent!
A boat traveling with a velocity measured in meters per second is described by the vector b = ⟨ − 2, − 5 ⟩. In two or more complete sentences explain how to find the speed of the boat and the direction it is traveling in standard position. Include all of your calculations in your final answer.
so far i've written :
The direction in which it travels is given by the arctan(y/x)=
arctan(-4/3) = -53.13 degrees = 36.87 degrees
the boat is traveling in the direction of 68.2 degrees from the positive x-axis.
What is vector?In mathematics, a vector is a mathematical object that has both magnitude and direction. Vectors are commonly used to represent physical quantities such as velocity, acceleration, and force. A vector can be represented by an arrow, where the length of the arrow represents the magnitude of the vector, and the direction of the arrow represents the direction of the vector.
Given by the question.
The direction in which it travels is given by the arctan(y/x)=
arctan (-4/3) = -53.13 degrees = 36.87 degrees
To find the speed of the boat, we need to calculate the magnitude of the vector b, which represents the boat's velocity. Using the Pythagorean theorem, we can find the magnitude of b as follows:
|b| = sqrt (\((-2)^{2}\) +\((-5)^{2}\)) = sqrt (4 + 25) = sqrt (29)
Therefore, the speed of the boat is approximately 5.39 meters per second.
To determine the direction of the boat in standard position, we use the arctan function to find the angle between the vector b and the positive x-axis. The angle can be calculated as:
theta = arctan (-5/-2) = arctan (2.5) = 1.19 radians or 68.2 degrees (rounded to one decimal place).
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help..................
Answer:
Line A
Step-by-step explanation:
two tangents each intersect a circle at oppositea. endpoints of the same diameter. is it possible for the twob. tangents to intersect each other outside the c. circle? explain why or why not, using the information you d. learned in this lesson.
No, it is not possible for the two tangents to intersect each other outside the circle.
We have,
The concept used in this explanation is that a tangent to a circle is perpendicular to the radius at the point of tangency.
This is a fundamental property of circles and tangents, based on geometry and the definition of a tangent line.
No, it is not possible for the two tangents to intersect each other outside the circle.
This is because tangents to a circle are perpendicular to the radius at the point of tangency. If the tangents intersect with ed each other outside the circle, it would imply that they are not perpendicular to the radius, which contradicts the definition of a tangent.
Thus,
No, it is not possible for the two tangents to intersect each other outside the circle.
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Yes, it is possible for the two tangents to intersect each other outside the circle only when the tangents are perpendicular to the diameter. They will intersect at the point directly opposite to the center of the circle. This concept combines the properties of tangents and circles that are normally covered in high school geometry.
Explanation:In the context Mathematics and Geometry, the situation you have described where two tangents to a circle meet at opposite ends of a diameter is indeed possible, but only in one specific scenario: when the tangents are perpendicular to the diameter and they intersect each other at the point directly opposite to the center of the circle. This is because, by geometry, a tangent to a circle is perpendicular to the radius at the point of tangency. Thus, if the tangents are drawn at the endpoints of a diameter, they will be parallel and will not intersect each other outside the circle.
In contrast, if the tangents are drawn such that they are perpendicular to the diameter, they will intersect at a point that is a distance from the center of the circle equivalent to the length of the radius, and directly opposite the center of the circle. This point of intersection of the tangents is outside the circle.
The properties of tangents and circles, which we use in the explanation, are part of the standard curriculum in high school geometry.
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The principal would like to assemble a committee of 5 students from the 15-memberstudent council. How many different committees can be chosen?
SOLUTION
The question involves combination since it only deals with the selection without arrangement.
Hence the formula to use is
\(^nC_r=\frac{n!}{(n-r)!r}\)For this question, we have
\(\begin{gathered} n=15,r=5 \\ ^nC_r=\frac{n!}{(n-r)!r} \\ \text{becomes } \\ ^{15}C_5=\frac{15!}{(15-5)!5!} \end{gathered}\)Simplifying the last expression we obtained
\(\begin{gathered} ^{15}C_5=\frac{15!}{10!5!} \\ =\frac{15\times14\times13\times12\times11\times10!}{10!\times5!} \\ =3003 \end{gathered}\)Therefore,
The number of committees to be chosen is 3003
Find The Consumers' Surplus For A Product If The Demand Function Is Given By D (x) =850/(8+x) and Xe = 17 units
To find the consumers' surplus, we first need to find the equilibrium price (P) and quantity (Q). The equilibrium quantity (Q) is given by Xe = 17 units.
D(x) = 850/(8+x)
D(17) = 850/(8+17)
D(17) = 50
Therefore, Q = 17 and P = D(17) = 50.
Next, we need to find the area under the demand curve (D) and above the price (P) for each unit of quantity (Q) up to the equilibrium quantity (Qe). This area represents the value that consumers receive from purchasing the product at a price lower than their willingness to pay.
The formula for the consumers' surplus (CS) is:
CS = ∫[P,∞] D(x) dx
where ∫ is the integral sign, P is the price, and D(x) is the demand function.
CS = ∫[50,∞] (850/(8+x)) dx
CS = [850 ln(8+x)]50∞
CS = 850 ln(25) - 850 ln(8)
CS = 850 (2.3979 - 2.0794)
CS = 272.13
Therefore, the consumers' surplus for the product is $272.13. This means that consumers receive an additional $272.13 in value from purchasing the product at a price lower than their willingness to pay.
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help plssssssssssssssssss
Answer:
28.26 units³
Step-by-step explanation:
gi solved kopo yan
Write the equation of the line in standard form:
4y=2x+9
2x - 4y + 9 is the equation of the line in standard form.
What is standard form?Ax + By=C is the typical form for linear equations involving two variables. A linear equation in standard form is, for instance, 2x + 3y=5.
Finding both intercepts of an equation in this format is fairly simple (x and y). When resolving systems of two linear equations, this form is also really helpful.
Lets write the equation of the line in standard form:
4y=2x+9
We know that standard form = Ax + By=C
⇒ 4y = 2x + 9
⇒ 2x - 4y + 9
Here,
Ax = 2x
By = -4x
C = 9
Thus, 2x - 4y + 9 is the equation of the line in standard form.
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How do I find out the median of this set of numbers?
138, 119, 182, 174, 142, 117, 152, 152
What type of number is 5/6
Answer:
a rational number
Step-by-step explanation:
evaluate the integral. (use c for the constant of integration.) 7 tan2(x) tan4(x) dx
Therefore, the integral is given by\(7 [(t^3 + 3t)/3 - 2(t + 1/t)] + 14t^-1 - 7t^-3 + C\) of the given equation.
We have to evaluate the integral using the given function. The given function is: \(7 tan^2(x) tan^4(x) dx\) Integral is given as:integral \(7 tan^2(x) tan^4(x) dx\)
Step 1:We can rewrite \(tan^4(x) as tan^2(x) × tan^2(x).\)Therefore, the given integral becomes integral \(7 tan^2(x) × tan^2(x) × tan^2(x) dx\)
Step 2:We can rewrite the term \(tan^2(x) as sec^2(x) - 1\).Therefore, the given integral becomes integral 7 (sec^2(x) - 1) × (sec^2(x) - 1) × tan^2(x) dx
Step 3:Let’s assume t = tan(x).Hence, \(dt/dx = sec^2(x)dx and dx = dt/sec^2(x)\) After substitution, the given integral becomes\(∫7 (t^2 + 1 - 1/t^2) (t^2 + 1 - 1/t^2) dt/t^2\)
Step 4:Simplifying the expression, we get\(7 ∫(t^2 + 1)^2/t^2 dt - 7 ∫dt/t^2 - 7 ∫1/t^4 dtOn solving the above integral, we get7 ∫(t^4 + 2t^2 + 1)/t^2 dt - 7 ∫dt/t^2 + 7 ∫t^-4 dt\)
Step 5:Solving the integral\(7 ∫(t^4 + 2t^2 + 1)/t^2 dt = 7 ∫(t^2 + 2 + 1/t^2) dt= 7 ∫(t^2 + 1/t^2) dt + 14∫ dt Using the formula, a^2 + 2ab + b^2 = (a + b)^2 and substituting t + 1/t = u, we can write the above integral as∫(t^2 + 1/t^2) dt = ∫(t + 1/t)^2 - 2 dt= ∫u^2 - 2 du= u^3/3 - 2u + C= (t^3 + 3t)/3 - 2(t + 1/t) + C\)
After substitution, we get
\(7 [(t^3 + 3t)/3 - 2(t + 1/t)] + 14t^-1 - 7t^-3 + CTherefore, the integral is given by7 [(t^3 + 3t)/3 - 2(t + 1/t)] + 14t^-1 - 7t^-3 + C.\)
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Danny draws a triangle using three angles each measuring 60°. Which statement can be made about Danny's triangle?
Responses
The statement that can be made about Danny's triangle is D. Danny's triangle could be any equilateral triangle
What is an equilateral triangle?An equilateral triangle, which is also referred to as a "regular" triangle, is a triangle with three equal-length sides. Because all three sides of an isosceles triangle are equal, an equilateral triangle is a special case of an isosceles triangle.
An equilateral triangle in geometry is a triangle with equal-length sides on all three sides. In the well-known Euclidean geometry, an equilateral triangle is also equiangular, meaning that each of its three internal angles is 60 degrees and congruent with the others.
In conclusion, the correct option is D.
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To collect data on the signal strengths in a neighborhood, Tracy must drive from house to house and take readings. She has a graduate student, Dave, to assist her. Tracy figures it would take her eight hours to complete the task working alone, and that it would take Dave 12 hours if he completed the task by himself. How long will it take Tracy and Dave to complete the task together
Working together, they can complete the task in 4 hours and 48 minutes.
What is the concept of time and work?A certain amount of time (T) is taken to complete a certain work (W). The number of units of work done per unit time is called the rate of work (R). Hence, Work (W) = Rate (R) Time (T) Whenever some work is done, the total work itself can be taken as one unit.
Tracy needs 8 hours to complete the task.
Then we can find the ratio of work over time as:
1 task/8 hours = 1/8 task per hour.
This means that she can complete 1/8 of the task per hour.
Dave needs 12 hours to complete the task, then his ratio is:
1 task/12 hours = 1/12 task per hour.
This means that he can complete 1/12 of the task in one hour.
If they work together, then the ratios can be added:
R = \(\frac{1}{8}\) + \(\frac{1}{12}\)
= \(\frac{3+2}{24}\)
= \(\frac{5}{24}\)
So, working together, in one hour they can complete \(\frac{5}{24}\) of the task, now we can find the number of hours needed to complete the task as:
\(\frac{5}{24}\)×\(x\)= 1 task
x = \(\frac{24}{5}\) hours = 4.8 hours
knowing that an hour is 60 minutes, then 0.8 of an hour is 60*0.8 = 48 minutes.
Then x = 4 hours and 48 minutes.
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What is the length of PR?
Can somebody solve this please?