The figure above shows a graph of a line that goes through the origin. What is the value of (k)/(h) ? (A) 4 (B) 3 (C) (4)/(3) (D) -(4)/(3) (E) "-4"
The value of (k)/(h) from the graph of a line that goes through the origin is 4.
What is a graph of a line?A line graph joins distinct data points that generally show quantitative values across an interval. Line graphs have two axes:
The x-axis (horizontal), andThe y-axis (vertical), which are visually expressed as (x,y).From the image attached below, the value of (h,k) as translated on the graph in the negative x and y axis shows that:
(h,k) = (-1,-4) in terms of (x,y) respectively.However, we are to determine the value of (k)/(h):
i.e.
(k)/(h) = -4/-1
(k)/(h) = 4
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Is r = 10 a solution to the inequality below?
10 ≥
r
Yes or no
Answer:
Yes.
Step-by-step explanation:
That sign means greater than and/or equal to (the little line) since 10 is equal to 10, then r can be 10
Someone plz help me thank you.
Answer:
there are 438 blue marbles and 162 red marbles
Step-by-step explanation:
If we were doing it out of 100 there would be 73 blue marbles and 27 red marbles add 73 to 27 and you get 100 so multiply 73 by 6 and you get 438 and then multiply 27 by 6 and you get 162 and 438 to 162 and you get 600. Therefore your answer is 438 blue marbles and 162 red marbles.
hope this helps
Una caja contiene 3 bolas verdes, 5 bolas rojas y 2 bolas azules. Si se extraen al azar dos bolas sin reposición, ¿cuál es la probabilidad de que la primera sea azul y la segunda sea verde?
Responder:
1/15
Explicación paso a paso:
Dado que :
Número bolas verdes = 3
Número de bolas rojas = 5
Número de bolas azules = 2
Dibujo sin reemplazo; probabilidad de que el primero sea azul, el segundo sea verde
Probabilidad = resultado requerido / Total de resultados posibles
Resultados posibles totales = 3 + 5 + 2 = 10
P (1er azul) = número de azules / 10
P (1er azul) = 2/10 = 1/5
Sin reemplazo :
Total restante = 10 - 1 = 9
P (segundo verde) = número de verdes / 9 = 3/9
Probabilidad del primer azul y del segundo verde:
1/5 * 3/9 = 3/45 = 1/15
The probability that the first is blue and the second is green is 1/15
Probability is the likelihood or chance that an event will occur.
Probability = Expected outcome/Total outcomeIf a box contains 3 green balls, 5 red balls and 2 blue balls, the total number of balls is 10balls
Total outcome = 10 ballsIf blue is selected at first, the probability of selecting blue is 2/10 = 1/5If green is selected without replacement, the probability of selecting green will be 3/9Pr(selecting red and then green) = 1/5 * 1/3 = 1/15Learn more on probability here: https://brainly.com/question/24756209
Consider the inequality 1/2x−1/4<5/8 .
The required solution to the given inequality is x < 7/4.
What is inequality?Inequality can be defined as the relation of the equation containing the symbol of ( ≤, ≥, <, >) instead of the equal sign in an equation.
Here,
Given that,
To determine the simplified solution of the inequality 1/2x−1/4 < 5/8.
1/2x−1/4<5/8 .
Adding 1/4 on both sides of the equality,
1/2x < 5 / 8 + 1 / 4
Multiply by 2 on both sides of equality,
1 / 2x < 7 / 8
x < 7 / 4
So, the solution of inequality lies x greater than 7/4, as of the given conditions.
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what construction is needed to determine the incenter of a triangle?
The construction to determine the incenter of a triangle involves drawing the perpendicular bisectors of any two sides of the triangle, finding their intersection point, drawing the bisectors of any two angles of the triangle, finding their intersection point, and drawing perpendiculars from the incenter to each side of the triangle.
The incenter of a triangle is the point where the angle bisectors of each angle of the triangle intersect. It is the center of the circle that is tangent to each side of the triangle. The construction to determine the incenter of a triangle involves several steps.
First, draw any triangle ABC. Then, take any two sides of the triangle, say AB and AC, and draw their perpendicular bisectors. The perpendicular bisector of a line segment is a line that intersects the segment at its midpoint and is perpendicular to it.
Let the perpendicular bisectors of AB and AC intersect at point O. Point O is the circumcenter of triangle ABC, which is the center of the circle that passes through the three vertices of the triangle.
Next, take any two angles of the triangle, say ∠BAC and ∠ABC, and draw their bisectors. The bisector of an angle is a line that divides the angle into two equal parts.
Let the bisectors of ∠BAC and ∠ABC intersect at point I. Point I is the incenter of triangle ABC, which is the center of the circle that is tangent to each side of the triangle.
Finally, draw a line segment from point I to each side of the triangle. Each of these line segments will be perpendicular to its corresponding side of the triangle. The point where all three perpendicular lines intersect is the incenter of the triangle.
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A father Share Gtty 51, 110 among
children Atta, Abena anel Kojor Kojo has
1/2 time as much as Abena and Abeng
has 3 times
as much as Alta
Find the ratio of their shares.
Find the amount each received.
The ratio of their shares is 1:2:3 and amount is 180.5, 3564, 5371.5 respectively.
To find the amount each received:
Atta received 13.5*(51+110) = 1807.5
Abena received 27*(51+110) = 3564
Kojo received 40.5*(51+110) = 5371.5
The total amount shared is 51 + 110 = 161
The ratio of their shares is 1:2:3, meaning Atta receives 1/6 of the total amount, Abena receives 2/6 of the total amount, and Kojo receives 3/6 of the total amount.
To find the amount each received, we multiply their respective share (1/6, 2/6, and 3/6) by the total amount (161)
Kojo received 3 times as much as Atta, and Atta received 1/2 times as much as Abena.
Atta received 1/6 of the total amount, which is (51 + 110)/6 = 81/6 = 13.5
Abena received 2/6 of the total amount, which is (51 + 110)*2/6 = 162/6 = 27
Kojo received 3/6 of the total amount, which is (51 + 110)*3/6 = 243/6 = 40.5
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(−2 3/2)^2
KHAN ACADEMY (EXPONENTS WITH NEGATIVE FRACTIONAL BASE)
The values of the given expression having exponent with negative fractional base i.e. \(-2^{(3/2)^2}\\\) is evaluated out to be 16/9.
First, we need to simplify the expression inside the parentheses using the rule that says "exponents with negative fractional base can be rewritten as a fraction with positive numerator."
\(-2^{(3/2)^2}\) = (-2)² × (2/3)²
Now, we can simplify the expression further by solving the exponent of (-2)² and (2/3)²:
(-2)² × (2/3)² = 4 × 4/9 = 16/9
Therefore, the value of the given expression \(-2^{(3/2)^2}\\\) is 16/9.
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The question is :
What is the value of the expression \(-2^{(3/2)^2}\) ?
HELP ASAP! WILL GIVE A LOT OF POINTS AND BRAINLY
The line of best fit for the following data is represented by y = 1.46x − 0.76.
(image below)
What is the sum of the residuals? What does this tell us about the line of best fit?
1.06; This indicates that the line of best fit is accurate and a good model for prediction.
−1.06; This indicates that the line of best fit is not very accurate and is not a good model for prediction.
0; This indicates that the line of best fit is very accurate and a good model for prediction.
0; This indicates that the line of best fit is not very accurate and is not a good model for prediction.
The sum of the residuals and what it tells us about the line of best fit is that: −1.06; This indicates that the line of best fit is not very accurate and is not a good model for prediction.
How to calculate the sum of the residuals?Mathematically, the residual value of a data set can be calculated by using this formula:
Residual value = actual value - predicted value
Next, we would determine the predicted values as follows:
At point (4, 6), we have;
Predicted value, y = 1.46x − 0.76.
Predicted value, y = 1.46(4) − 0.76.
Predicted value, y = 5.08
At point (6, 7), we have;
Predicted value, y = 1.46x − 0.76.
Predicted value, y = 1.46(6) − 0.76.
Predicted value, y = 8.
At point (7, 8), we have;
Predicted value, y = 1.46x − 0.76.
Predicted value, y = 1.46(7) − 0.76.
Predicted value, y = 9.46.
At point (9, 13), we have;
Predicted value, y = 1.46x − 0.76.
Predicted value, y = 1.46(9) − 0.76.
Predicted value, y = 12.38.
At point (10, 14), we have;
Predicted value, y = 1.46x − 0.76.
Predicted value, y = 1.46(10) − 0.76.
Predicted value, y = 13.84
At point (11, 15), we have;
Predicted value, y = 1.46x − 0.76.
Predicted value, y = 1.46(11) − 0.76.
Predicted value, y = 15.3.
Now, we can calculate the sum of the residuals as follows:
Sum of the residuals = Sum of actual values - Sum of predicted values
Sum of the residuals = (6 + 7 + 8 + 13 + 14 + 15) - (5.08 + 8 + 9.46 + 12.38 + 13.84 + 15.3)
Sum of the residuals = 63 - 64.06
Sum of the residuals = -1.06.
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Answer:
-1.06
Step-by-step explanation:
i took the test :)
what is the chance that 5 or more minutes pass between two hits? (use one of the exponential formulas.)
The chance that five minutes or more passes between two hits is equal to e(-5), where is the rate of hits per minute.
The chance that 5 or more minutes pass between two hits can be calculated using the exponential distribution formula. Let λ be the rate of hits per minute. The probability that no hits occur in a time interval of length t is given by e^(-λt). Therefore, the probability that at least one hit occurs in a time interval of length t is 1-e^(-λt).
To find the probability that 5 or more minutes pass between two hits, we need to calculate the probability that no hits occur in a time interval of length 5 or greater. This is given by e^(-5λ). Therefore, the probability that at least one hit occurs within 5 minutes is 1-e^(-5λ).
So, the chance that 5 or more minutes pass between two hits is simply the complement of this probability:
P(5 or more minutes pass between two hits) = 1 - (1-e^(-5λ))
Simplifying this expression, we get:
P(5 or more minutes pass between two hits) = e^(-5λ)
Thus, the chance that 5 or more minutes pass between two hits is equal to e^(-5λ), where λ is the rate of hits per minute.
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which of the following describes the domain of the piecewise function
Answer:
(c) (-∞, -2) ∪ (-2, 1) ∪ (1, ∞)
Step-by-step explanation:
You want the domain of the given piecewise-defined function.
x < 2For x < 2, the function is ...
\(g(x)=\dfrac{x^2+2x}{x^2+x-2}-\dfrac{x(x+2)}{(x-1)(x+2)}=\dfrac{x}{x-1}\quad x\ne\{-2,1\}\)
Both of these exclusions are in the region x < 2, so both must be excluded from the domain.
x ≥ 2The log function is defined for all values x > -2, so there are no exclusions in this region.
The domain is (-∞, -2) ∪ (-2, 1) ∪ (1, ∞).
Jason solved the following equation to find the value for x.
–8.5x – 3.5x = –78
x = 6.5
Describe how Jason can check his answer.
Sample answer:
Substitute the value for x into the original equation. Simplify using order of operations. If the statement is true, Jason’s solution for x is correct. If the statement is false, Jason’s solution for x is incorrect.Step-by-step explanation: (My answer)
1) Subtract 8.5 and 3.5, that equals 12.
\(8.5x - 3.5x = -78\)
2) Multiply 78 and 12, that equals 6.5 .
\(\frac{12x}{12} = \frac{78}{12}\)
3) Check your answer.
\(-8.5 (6.5) -3.5 (6.5) = -78\)
Multiply 8.5 and 6.5, that equals 55.25. Next, multiply 3.5 and 6.5, that equals 22.75.Finally, you will need to subtract your answers. Subtract both 55.25 and 22.75.Once you've done that, the answer you should get is 78.
78 is equal to 78, that is your final answer and it is correct.
kaelyn has some yarn that she wants to use to make hats and scarves. each hat uses 0.20.20, point, 2 kilograms of yarn and each scarf uses 0.10.10, point, 1 kilograms of yarn. kaelyn wants to make 333 times as many scarves as hats and use 555 kilograms of yarn.
Kaelyn wants to use yarn to make hats and scarves. Each hat requires 0.2 kg of yarn, while each scarf requires 0.1 kg. She plans to make 333 times more scarves than hats and use a total of 555 kg of yarn.
Let h be the number of hats and s be the number of scarves Kaelyn makes. The first equation represents the total yarn used, which is 0.2h (for hats) plus 0.1s (for scarves) equal to 555 kg. The second equation represents the ratio of scarves to hats, where s is 333 times greater than h, i.e., s = 333h. So the system of equations is:
0.2h + 0.1s = 555
s = 333h
Kaelyn plans to use her yarn to make hats and scarves, with hats requiring 0.2 kilograms of yarn and scarves needing 0.1 kilograms. She aims to make 333 times more scarves than hats using a total of 555 kilograms of yarn.
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4+7x=3x+4+4x I need help
Answer:
0
Step-by-step explanation:
move x's to one side and constants to another
7x-3x-4x=4-4
add constants and combine like terms
0=0
can someone please teach me this in an easier, less difficult way.
PLEASE
Answer:
\(36\)
Step-by-step explanation:
The expression \(_nC_k\) is used to denote the number of ways you can choose \(k\) things from a set of \(n\) things. It is equal to:
\(_nC_k=\binom{n}{k}=\frac{n!}{k!(n-k)!}\)
In this case, \(n=9\) and \(k=2\), so:
\(\implies \frac{9!}{2!(9-2)!}=\frac{9!}{2!7!}=\boxed{36}\)
You can also think of it like this:
\(_9C_2\) is saying 9 choose 2. We are choosing 2 things from a set of 9 things, where order doesn't matter. For the first thing we choose, there are 9 options. Then 8 options, 7, and so on. Since we're only choosing two things, there are \(9\cdot 8=72\) permutations. However, the order of which we choose each thing does not affect what we've chosen overall (e.g. If we're choosing two donut flavors original and strawberry, it doesn't matter which flavor I choose first, because I'm still getting the same two flavors). Therefore, we must divide this by the number of ways we can arrange two distinct values, which is \(2!\). Our answer is thus \(\frac{72}{2!}=\frac{72}{2}=\boxed{36}\)
=========================================================
Explanation:
We have 9*8 = 72 different permutations. This is if we used the nPr formula with n = 9 and r = 2.
Notice the countdown from 9 to 8. This is because we don't reuse the same element twice.
Since order doesn't matter with nCr, we will divide by 2. This is because something like AB is the same as BA. So we go from 72 to 72/2 = 36
The value 36 is found in Pascal's Triangle in the row that has 1,9,... at the start of it. Start at the left hand side and count exactly 3 spaces to the right, and you should land on 36.
Having trouble please help
Answer:
no real roots
Step-by-step explanation:
Hey There!
If you didn't know you cannot square a negative number to get a negative number
Why? let me give you an example
-4x-4=16 not -16 therefore there are no real roots to a negative number
What is the area of the parallelogram represented by the vertices A(-6, -1), B(-2, -1), C(-1, -4) and D(-5, -4)?
Answer: 12 units²
Step-by-step explanation:
To find the area of a parallelogram, we use the formula A=l×w. To find the length and width, let's graph out the parallelogram to get a better view. Let's refer to the picture attached to see what the graph looks like. The length is 4 units while the width is 3 units. Therefore we multiply.
A=4×3=12 units²
Now, we know the area is 12 units².
Can someone help me with this math homework please!
Answer:
I think is the third one but if Im wrong ignore me
love you alllllllllllllllllll
Answer:
thx. ❤❤❤❤❤❤❤❤❤
Step-by-step explanation:
❤❤❤❤❤❤❤❤❤❤❤❤❤
Answer:
the answer to i love you allllllll is = thx
Step-by-step explanation:
PLZ HELP JK what is 5+5 i know its hard but i need help fast
Answer:
10
Step-by-step explanation:
I mean if you need help then like you shouldn't be on here :/
i wasted 10 hours but i solved it is 10 because 1+1+1+1+1=5 and 1+1+1+1+1=5 add them you get 10 (づ。 ◕‿‿◕。) づ
select all expressions that are equivalent to 2to the power of 4 / ((3.2 x 0.8) + 1.44)
The value of the given expression will be 4.
Expression in maths is defined as the relation of numbers variables and functions by using mathematical signs like addition, subtraction, multiplication and division.
Given that the expression is 2⁴ / ( 3.2 x 0.8 0 + 1.44 ). SOlve the expression as below,
E = 2⁴ / ( 3.2 x 0.8 ) + 1.44 )
Solve the denominator by mathematical operation.
E = 16 / ( 2.56 + 1.44 )
Divide the numerator by denominator,
E = 16 / 4
E = 4
Therefore, the solution of the expression is 4.
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Which of these is not a difference between primitives and objects? An object stores an address as a value while a primitive stores a literal value. An object has data and methods associated with it while a primitive only stores data. When passed to a method, objects are passed by reference while primitives are copied and passed by value. A primitive has data and methods associated with it while an object only stores data.
The correct response is d. A primitive is associated with both data and methods, whereas an object merely holds data.
Information that has been transformed into a format suitable for transmission or processing is referred to as data in computing. Information that has been binary-digitally altered for use with contemporary computers and transmission methods is referred to as data. The topic data may be expressed in both the singular and plural forms. Data can take the shape of text, observations, figures, photographs, statistics, graphs, and symbols. Individual prices, weights, addresses, ages, names, temperatures, dates, or distances, for instance, might be included in the data. Data lacks significance and utility on its own because it is an unprocessed sort of knowledge. Basic data includes information like a person's name, last name, address, phone number, cell number, fax number, email address, and vehicle license plate.
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company mines 300,000 tons of coal per year in a rural county. The coal is worth $79 per ton. The average price for a 2,000 -square-foot house with three bedrooms more han 20 km away from the mining site in this county is $210,000. The average price for a similar, 2,000 -square-foot house with three bedrooms within 4 km of the mine is 4 ercent lower. Jsing comparative statics, what is the effect of mining on home prices in this county? Mining changes the price of a 2,000-square-foot home (with three bedrooms) by $. (Round your response to two decimal places and use a negative sign if necessary.)
Mining has a negative effect on home prices in the county, reducing the price of a 2,000-square-foot house with three bedrooms by approximately $8,400.
Comparative statics is a method used to analyze how changes in one variable affect another. In this case, we are examining the effect of mining on home prices in the county. We are given that the company mines 300,000 tons of coal per year, which is worth $79 per ton. Therefore, the annual value of coal production is 300,000 tons * $79 = $23,700,000.
Now, let's consider the effect on home prices. We are given that the average price for a 2,000-square-foot house with three bedrooms located more than 20 km away from the mining site is $210,000. However, for a similar house within 4 km of the mine, the price is 4 percent lower.
To calculate the price reduction, we can multiply $210,000 by 4 percent (0.04). The reduction in price is $210,000 * 0.04 = $8,400. Therefore, the effect of mining on home prices in the county is a decrease of approximately $8,400 for a 2,000-square-foot house with three bedrooms.
It's important to note that this analysis assumes a linear relationship between the proximity to the mine and home prices. Other factors, such as environmental concerns or changes in the local economy, may also influence home prices in the area.
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The table below represents a linear function f(x) and the equation represents a function g(x):
x f(x)
−1 −5
0 −1
1 3
g(x)
g(x) = 4x + 3
Part A: Write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points)
Part B: Which function has a greater y-intercept? Justify your answer.
Answer:
Part A: Both functions' slopes increase at intervals of four in a positive manner, so they will rise to the right.
Part B: g(x) has a greater y intercept as it is y=3 and f(x) is y=-1
Step-by-step explanation:
What is the frequency of the function f(x)?
f(x)=1/4cos(2x)+5
Answer:
The frequency is -1/pi
Step-by-step explanation:
I am currently taking the test and this is the answer that I got. Please give me brainliest
Is -2q + 7 in standard form
<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3
Answer:
Yes, it is!!!
<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3
In the diagram, m∠BDA = 119° . Find m∠BDC
Answer: angle BCD is 77°
Step-by-step explanation:
BDC+CDA=119°
-5x+52°-2x+32°=119°
-7x+84°=119°
-7x=35°
x=-5°
Then substitute x in the equation for BDC
-5(-5)+52°=BDC
25+52°=BDC
BDC=77°
A student who obtained a percentile rank of 75 on an achievement test is best characterized as having?
A student who obtained a percentile rank of 75 on an achievement test is best characterized as having scored higher than 75% of the test takers.
What is percentile rank?
A percentile rank describes a student's performance in relation to other students in the same grade and subject who made up the specific norm group. The percentile rank of a student indicates whether their score was equal to or higher than the percentage of students in the norm group.
The percentage of scores in a frequency distribution that are lower than a given score is known as the percentile rank of that score in statistics.
A percentile rank of 75 indicates that the student outperformed 75% of the other students in his or her norm group, and 25% of the students outperformed your student.
Hence, a student who obtained a percentile rank of 75 on an achievement test is best characterized as having scored higher than 75% of the test takers.
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please help me I have to submit it tomorrow and please while sending solution write it and send a pic please because I don't understand when someone explains it in the answer
Answer:
A
Step-by-step explanation:
I think
Height=0.6 width=0.8 length=1.8 volume
Answer: 0.864
Step-by-step explanation:
0.6 x 0.8 x 1.8 = 0.864