Answer:
33/20
Step-by-step explanation:
The direct variation is the slope, or how much the y-value of the line changes when the x-value of a line increases by 1.
Plug into the formula:
[tex]\frac{y_2-y_1 }{x_2-x_1}[/tex]
[tex]\frac{-28-5}{14--6}[/tex]
[tex]\frac{33}{20}[/tex]
HELP THIS IS DUE TODAY
(-9-√-32)-(2+√-8)
Answer:
[tex]-11-6i\sqrt{2}[/tex]----------------------------------------------------
Simplify the expression:
[tex](-9-\sqrt{-32} )-(2+\sqrt{-8} )=[/tex][tex](-9-\sqrt{-1*2*16} )-(2+\sqrt{-1*2*4} )=[/tex][tex](-9-4i\sqrt{2} )-(2+2i\sqrt{2} )=[/tex][tex]-9-4i\sqrt{2} -2-2i\sqrt{2} =[/tex][tex]-11-6i\sqrt{2}[/tex]Answer:
[tex]-11-6\sqrt{2}\:i[/tex]
Step-by-step explanation:
Given expression:
[tex]\left(-9-\sqrt{-32}\right)-\left(2+\sqrt{-8}\right)[/tex]
Remove the parentheses:
[tex]\implies -9-\sqrt{-32}-2-\sqrt{-8}[/tex]
Rewrite -32 as 16 · 2 · -1 and rewrite -8 as 4 · 2 · -1 :
[tex]\implies -9-\sqrt{16 \cdot 2\cdot -1}-2-\sqrt{4 \cdot 2\cdot -1}[/tex]
[tex]\textsf{Apply radical rule} \quad \sqrt{ab}=\sqrt{a}\sqrt{b}:[/tex]
[tex]\implies -9-\sqrt{16} \sqrt{2} \sqrt{-1}-2-\sqrt{4}\sqrt{2}\sqrt{-1}[/tex]
Simplify and apply the imaginary number rule √(-1) = i
[tex]\implies -9-4\sqrt{2}\:i -2-2\sqrt{2}\:i[/tex]
Group like terms:
[tex]\implies -9-2-4\sqrt{2}\:i -2\sqrt{2}\:i[/tex]
Combine like terms:
[tex]\implies -11-6\sqrt{2}\:i[/tex]
What is an equation of the line that passes through the point (-3, -7) and is parallel to the line 2x-3y=24 Please
An equation of the line that passes through the point (-3, -7) and is parallel to the line 2x-3y=24 can be found by taking the slope of the line 2x-3y=24 and using it to write the equation of the line in point-slope form. The slope of the line 2x-3y=24 is 3/2, so an equation of the line that passes through (-3, -7) and is parallel to the line 2x-3y=24 can be written in the form y-y₁ = m(x-x₁), where m is the slope of the line, which is 3/2 in this case. Plugging in the coordinates of the point (-3, -7) and the slope 3/2, we get the equation y-(-7) = (3/2)(x-(-3)), which simplifies to y+7 = 3/2(x+3). Multiplying both sides of the equation by 2/3 to get rid of the fraction on the right-hand side, we get the final equation: 2/3y + 14/3 = x + 3. This is the equation of the line that passes through the point (-3, -7) and is parallel to the line 2x-3y=24.
Describe how to shift the ordered pairs to create a sketch of the function.
shift left by 7 and down by 1
shift right by 7 and down by 1
shift right by 7 and up by 1
shift left by 7 and up by 1
Answer:
the 4th answer option : shift left by 7 and up by 1
Step-by-step explanation:
the "+1" at the end is simply adding 1 to every y (function result) of f(x). so, that moves everything up by 1.
the "+7" in the function argument is a little bit more complex : it means that the function value of x is the function value that would have been originally created for x+7. so, it happens 7 units "earlier". therefore, this means a shift to the left.
Each heet of metal on a roof i perpendicular to the top line of the roof. What can you conclude about the relationhip between the heet of roofing? Jutify your anwer
The sheets of metal on the roof must be parallel to each other in order to be perpendicular to the top line of the roof. This means that the sheets of metal are parallel to each other and that their relationship is one of parallelism. This parallelism is necessary so that the roof can maintain its structure and be waterproof.
The relationship between sheets of metal on a roof is one of parallelism. This is because each sheet must be perpendicular to the top line of the roof in order to maintain the structure and be waterproof. In order for the roof to remain secure and waterproof, the sheets must be parallel to each other. This parallelism is necessary in order for the roof to form one complete structure and for the sheets to remain secure. Without the parallelism of the sheets, the roof would be unable to maintain its structure and could easily be damaged by wind and rain. This is why the relationship between the sheets of metal on a roof is one of parallelism.
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correlations based on a subset of all possible scores may be different than those based on the whole range. this concept is called
There may be differences between correlations based on a subset of all potential scores and correlations based on the entire range. Range restriction is the name given to this idea.
When observed sample data are not available across the complete range of interest, it is said to have a restricted range. The most typical situation is when there is a bivariate correlation between two normally distributed variables, one of which has a smaller range than is typically seen in the population as a whole. If data from the complete possible range were studied, the observed connection would be attenuated (lower) than it is in these situations.
Although the variables themselves are not under the researchers' control, correlations are used by researchers to determine whether a relationship between two or more variables exists. A statistical measure known as correlation expresses how closely two variables are related linearly (meaning they change together at a constant rate). It's a typical strategy for describing simple relationships without making a declaration about cause and effect.
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Help pls I put in a photo
Answer:
m∠D = 49°
m∠E = 41°
m∠F = 90°
Step-by-step explanation:
We know a triangle's angles add up to 180, so we can create an equation and solve for x. We also know the little box represents 90 degrees.
Given:
90° + 5x° + 14° + 3x° + 20° = 180°
Combine like terms:
8x° + 124° = 180°
Subtract 124 from both sides of the equation:
8x° = 56°
Divide both sides of the equation by 8:
x = 7
Now, we will plug this value of x back into the angles to solve. Again, the little box represents that Angle F is equal to 90 degrees.
m∠D = 5x° + 14° = 5(7)° + 14° = 49°
m∠E = 3x° + 20° = 3(7)° + 20° = 41°
m∠F = 90°
find the curvature of r(t) = 3t, t2, t3 at the point (3, 1, 1).
The curvature of r(t) = 3t, t2, t3 at the point (3, 1, 1) is 0.178
In this question we need to find the curvature of r(t) = <3t, t^2, t^3> at the point (3, 1, 1).
The derivative of r(t) with respect to t is:
r'(t) = <3, 2t, 3t^2>
The point (3, 1, 1) corresponds to t = 1,
and r′(1) = <3, 2(1), 3(1)^2>
r'(1) = <3, 2, 3>
|r'(1)| = √(3^2 + 2^2 + 3^2)
|r'(1)| = √(9 + 4 + 9)
|r'(1)| = √(22)
|r'(1)| = 4.69
Now, r''(t) = <0, 2, 6t>
and r′'(1) = <0, 2, 6(1)>
r''(1) = <0, 2, 6>
r′(1) × r′′(1) = <0, 4, 18>
|r′(1) × r′′(1) |
= √(0^2 + 4^2 + 18^2)
= √(16 + 324)
= √340
= 18.44
So, the curvature of r(t) would be,
κ(1) = |r′(1) × r′′(1)| ÷ |r′(1)|^3
k(1) = 18.44 / 4.69³
k(1) = 0.178
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(b) consider a set of points that are uniformly distributed on the interval [0,1]. is the statistical notion of an outlier as an infrequently observed value meaningful for this data?
No, the statistical notion of an outlier as an infrequently observed value is not meaningful for this data.
Since the points are uniformly distributed on the interval [0,1], they should all be observed with the same frequency. Therefore, there are no outlier values.The statistical notion of an outlier is an infrequently observed value, meaning that it is an observation that is far away from the rest of the data. For a set of points that are uniformly distributed on the interval [0,1], however, all the points should be observed with the same frequency since they are evenly spaced. Therefore, there is no outlier value and the statistical notion of an outlier is not meaningful for this data.
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two groups of friends are taking taxis to a party in yardley. the first taxi leaves from the financial district and travels at 33 miles per hour. at the same time, the other taxi leaves from the marina and travels 45 miles per hour. the two taxis are 5 miles apart and heading directly toward each other. how much time will it take for the taxis meet?
Answer:
3.85 minutes
Step-by-step explanation:
You want to know the time it takes for taxis traveling 33 mph and 45 mph toward each other to meet if they start 5 miles apart.
Closing timeThe speed at which the taxis approach each other is (33 mph +45 mph) = 78 mph. The time it takes to close the 5-mile gap is ...
time = distance/speed
time = (5 mi)/(78 mi/h) = 5/78 h ≈ 0.0641 h
In minutes, the time is ...
(5/78 h)(60 min/h) = 300/78 min ≈ 3.85 minutes
__
Additional comment
That's about 3 minutes 50.8 seconds.
one of two or more numbers that multiply together to form a specific product; a number that divides into another number with no remainder.
one of two or more numbers that multiply together to form a specific product; a number that divides into another number with no remainder is a factor.
What does a factor mean in its simplest form?A component is a number that completely divides another number. To put it another way, if adding two whole numbers results in a product, therefore the numbers we are adding are factors of a product because the product is divisible by them.
What types of factors are there?Which of these four main types of factoring are they? The Grouping technique, the Differences in Two Squares, the Total or Difference in Cubes, as well as the Greatest Common Factors (GCF) are the four primary methods of factoring.
Briefing:A factor is a value that completely divides another number. Consequently, the values we are multiplication are factors if multiplying two whole numbers results in a product.
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A group of scientists discovered a small creature at the bottom of the ocean that they called a "piknit". When this interesting creature dies, it explodes itself into a number of baby piknits called gogles. The scientists randomly selected 20 piknits from the sea-floor and measured their respective weights in grams. After the piknits died they counted the number of gogles that each piknit produced. They wanted to know if the weight of the piknits can be used to predict the number of gogles. What are the appropriate null and alternative hypotheses?
The weight of the piknits can be used to predict the number of goggles as there is a Linear equation in variables that may be defined as a linear courting among x and y, that is, variables.
In this case, let x is the impartial variable, and y relies upon it, so y is called as the established variable.
linear courting (or linear association) is a statistical period used to explain a straight-line courting among variables. Linear relationships may be expressed both in a graphical layout or as a mathematical equation of the shape y = MX + b.
"There is no linear relationship between the weight and the number of glasses"
"There is a linear relationship.
A. Yes, because the scatterplot shows a linear pattern.
C. Yes, because a random sample was taken from Piknits for the scatterplots of the 4th and 5th residuals.
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Square ABCD is reflected about side BC. Which of the following statements are true? Select three that apply.
Vertex B is the midpoint of AA'.
Side BC is parallel to AA.
The length of CD is equal to the length of C'D'.
Vertex C and vertex C are located at the same point.
Reflection is a type of rigid transformation in which an object is flipped about a reference point or line to produce the required image. The three statements that apply are:Vertex B is the midpoint of AA'The length of CD is equal to the length of C'D'Vertex C and vertex C are located at the same point
What i Rigid transformation?Rigid transformation is a process in which the size, orientation or position of a given object can be changed by applying some principles. Types of rigid transformation are: reflection, translation, dilation, and rotation.
In the given question, the required statements that apply are:
Vertex B is the midpoint of AA'The length of CD is equal to the length of C'D'Vertex C and vertex C are located at the same point
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An advertisement for a new toothpaste claims that it reduces cavities of children in their cavity-prone years. Cavities per year for this age group are normal with mean 3 and standard deviation 1. A study of 2,500 children who used this toothpaste found an average of 2. 95 cavities per child. Assume that the standard deviation of the number of cavities of a child using this new toothpaste remains equal to 1. (a) are these data strong enough, at the 5 percent level of significance, to establish the claim of the toothpaste advertisement? (b) do the data convince you to switch to this new toothpaste?.
At [tex]$5 \%$[/tex] level, the data is not strong enough to establish the claim of toothpaste advertisement.
It is recommended to switch to new toothpaste.
(a)
The null and alternative hypotheses are,
[tex]$$\begin{aligned}& H_0: \mu=3 \\& H_1: \mu < 3\end{aligned}$$[/tex]
Here, [tex]$\mu$[/tex] is the hypothesized mean.
Let the sample size be [tex]$n=2500$[/tex].
Let the sample mean be [tex]$\bar{x}=2.95$[/tex].
Let the population standard deviation be [tex]$\sigma=1$[/tex].
Since, the population standard deviation is known, one sample z-test is used to test the claim.
The test statistic is,
[tex]$$\begin{aligned}z & =\frac{\bar{x}-\mu}{\frac{\sigma}{\sqrt{n}}} \\= & \frac{2.95-3}{\frac{1}{\sqrt{2500}}} \\& =-2.5\end{aligned}$$[/tex]
So, the test statistic is, [tex]$z=-2.5$[/tex].
Let the level of significance be [tex]$\alpha=0.05$[/tex].
Find the critical value.
Using the standard normal distribution area tables, the left tail critical value is,
[tex]$$z_{0.05}=-1.645$$[/tex]
z score table attached at the end of solution.
The test statistic value is falls in the rejection region. Reject the null hypothesis. Therefore, it can be concluded that this does not support the null hypothesis at 5 percent level. So, at [tex]$5 \%$[/tex] level, the data is not strong enough to establish the claim of toothpaste advertisement.
(b)
The value of test statistic is also less than [tex]$-Z_{0.1}=-2.33$[/tex].
So, the claim cannot be established even at 1 percent level. It is recommended to switch to new toothpaste.
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Swimming Pool On a certain hot summer's day, 240 people used the public swimming pool. The daily prices are $1.50 for children and $2.25 for adults. The receipts for admission totaled $510.75. How many children and how many adults swam at the public pool that day?
Answer:
39 children, 201 adults
Step-by-step explanation:
Let c = number of children
a = number of adults
c + a = 240
1.50c + 2.25a = 510.75
--------------------------------
1.50c + 1.50a = 360
1.50c + 2.25a = 510.75
-------------------------------
.75a = 150.75
a = 201, c = 39
Select the correct answer from each drop-down menu.
Consider absolute value function f.
ƒ(x) = -²|x + 4|
The vertex of the function is a
Answer:
the vertex is a maximum at (-4,0)
Step-by-step explanation:
in the figure find the value of c in the interval [0, 4] on the x-axis that maximizes angle θ.
The angle θ is maximized when c = 2 (halfway between two points).
What is maximized angle?The maximum angle at which a conveyor may be inclined and still deliver a predetermined quantity of bulk material within a given time. As the maximum angle is approached, the rate of handling of bulk material is usually decreased.
Given that, in the figure, find the value of c in the interval [0, 4] on the x-axis that maximizes angle θ.
Express θ as a function of c, Let α be the angle to the left of θ and let β be the angle to the right, then,
tanα = 2/c
and tanβ = 2/(4-c)
At this point, we suppose that it might be easier to use cotangent in order to keep c inn numerator,
cotα = c/2
cotβ = (4-c)/2
We have, α+β+θ = π, so,
θ = π-α-β
= π-cot⁻¹c/2-cot⁻¹(4-c)/2
Differentiate, set equal to 0 and solve
dθ/dc = 1/1+(c/2)².1/2+1/1+(4-c/2)²(1/2)
Put dθ/dc = 0
1/1+(c/2)².1/2+1/1+(4-c/2)²(1/2) = 0
1/1+(c/2)²-1/1+(4-c/2)² = 0
1/1+(c/2)² = 1/1+(4-c/2)²
(4-c/2)² = (c/2)²
(c/2) = (4-c/2)
4-c = c
2c = 4
c = 2
Hence, The angle θ is maximized when c = 2 (halfway between two points).
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FILL IN THE BLANK. a contingency table would be used to summarize data such as ________.
Answer: Multiple choice
Step-by-step explanation: A contingency table would be used to summarize data such as Multiple Choice company employees by gender and organizational title company employees by gender and age company employees by compensation and age company employees by compensation and years with the company.
solution of equation 5x / 3 + 2 / 3 = 5
Answer:
x = 13/5 or 2.6
Step-by-step explanation:
First, multiply both sides of the equation by 3.
This leaves us with 5x + 2 = 15.
Next, subtract 2 from both sides to get 5x = 13.
Finally, divide 13 by 5 to get x = 13/5. This cannot be simplified.
Plot the piecewise function on the graph.
2x+6,
-5 < x < -2
-2 < x≤2
2
f(x) = { 1,
-3x+10,
What we should do is plot each part of the graph individually.
Step 1: Plot f(x) = 2x + 6 part
We know it starts at x = -5 (noninclusive) and ends at x = -2 (inclusive). Therefore, we can draw a line between the two points (-5, -4) and (-2, 2), with an open point at x = -5 and a closed point at x = -2
Step 2: Plot f(x) = 1 part
We know it starts at x = -2 (noninclusive) and ends at x = 2 (inclusive). Therefore, we can draw a line between the two points (-2, 1) and (2, 1), with an open point at x = -2 and a closed point at x = 2
Step 3: Plot f(x) = -3x + 10 part
We know it starts at x = 2 (noninclusive) and ends at x = 5 (inclusive). Therefore, we can draw a line between the two points (2, 4) and (5, -5), with an open point at x = 2 and a closed point at x = 5
You should end up with a graph that looks like the attached image!
The given function f(x) has been plotted in the graph piecewise with proper endpoints.
How t plot a graph?A graph is a diagram that shows the fluctuation of one variable in relation to one or more other variables.
In order to plot the graph, we need to find out y's values corresponding to x's value
As per the given piecewise function,
f(x) = [tex]\left \{ {{2x+6 \ \ \ \ -5 < x\leq -2}} \right.[/tex]
f(x) = [tex]\left \{ {{1 \ \ \ \ -2 < x\leq 2}} \right.[/tex]
f(x) = [tex]\left \{ {{-3x+10 \ \ \ \ 2 < x\leq 5}} \right.[/tex]
The function f(x) = 2x + 6 is a linear line with slope 2 and y-intercept 6 shown in red line -5 is excluded while - 2 is included.
The function f(x) = 1 is a constant horizontal line shown in the blue line that -2 excludes while 2 is included.
The function f(x) = -3x + 10 is a linear line with slope -3 and y-intercept 10 shown in the green line 2 is excluded while - 5 is included.
Hence "With the appropriate endpoints, the supplied function f(x) has been piecewise displayed in the graph".
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an objective function is necessary in a maximization problem but is not required in a minimization problem. true false
False. An objective function is necessary for both maximization and minimization problems.
An objective function is an equation that represents the goal of an optimization problem. It is used to evaluate the performance of a certain set of decisions. Regardless of whether the goal is to maximize or minimize an outcome, the objective function is a necessary component of an optimization problem. In a maximization problem, the objective function is used to determine the highest possible output that can be achieved. In a minimization problem, the objective function is used to determine the lowest possible output that can be achieved. Therefore, an objective function is necessary for both maximization and minimization problems.
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A random sample of 1012 adults in a certain large country was asked "Do you pretty much think televisions are a necessity or a luxury you could do without?" Of the 1012 adults surveyed, 514 indicated that televisions are a luxury they could do without. Complete parts (a) through (e) below.
(a) Obtain a point estimate for the population proportion of adults in the country who believe that televisions are a luxury they could do without.
enter your response here
(Round to three decimal places as needed.)
Part 2
(b) Verify that the requirements for constructing a confidence interval about p are satisfied.
The sample
▼
is stated to be
can be assumed to be
cannot be assumed to be
is stated to not be
a simple random sample, the value of
▼
n
ModifyingAbove p with caret left parenthesis 1 minus ModifyingAbove p with caret right parenthesis
ModifyingAbove p with caret
n ModifyingAbove p with caret
n ModifyingAbove p with caret left parenthesis 1 minus ModifyingAbove p with caret right parenthesis
is
enter your response here, which is
▼
greater than or equal to
less than
10, and the
▼
population proportion
sample proportion
population size
sample size
▼
cannot be assumed to be
can be assumed to be
is stated to not be
is stated to be
less than or equal to 5% of the
▼
population proportion.
sample size.
sample proportion.
population size.
(Round to three decimal places as needed.)
Part 3
(c) Construct and interpret a % confidence interval for the population proportion of adults in the country who believe that televisions are a luxury they could do without. Select the correct choice below and fill in any answer boxes within your choice.
(Type integers or decimals rounded to three decimal places as needed. Use ascending order.)
A.
There is a
enter your response here% probability the proportion of adults in the country who believe that televisions are a luxury they could do without is between
enter your response here and
enter your response here.
B.
We are
enter your response here% confident the proportion of adults in the country who believe that televisions are a luxury they could do without is between
enter your response here and
enter your response here.
Part 4
(d) Is it possible that a supermajority (more than 60%) of adults in the country believe that television is a luxury they could do without? Is it likely?
It is
▼
possible, but not likely
not possible
likely
that a supermajority of adults in the country believe that television is a luxury they could do without because the 95% confidence interval
▼
does not contain
contains
enter your response here.
(Type an integer or a decimal. Do not round.)
Part 5
(e) Use the results of part (c) to construct a % confidence interval for the population proportion of adults in the country who believe that televisions are a necessity.
Lower bound:
enter your response here, Upper bound:
enter your response here
(Round to three decimal places as needed.)
Answer: (a) Obtain a point estimate for the population proportion of adults in the country who believe that televisions are a luxury they could do without.
The point estimate for the population proportion is 514 / 1012 = 0.507.
(b) Verify that the requirements for constructing a confidence interval about p are satisfied.
The sample is stated to be a simple random sample.
The value of n * p = 1012 * 0.507 = 514.7796 is greater than or equal to 10.
The value of n * (1 - p) = 1012 * (1 - 0.507) = 497.2204 is greater than or equal to 10.
The population proportion is less than or equal to 5% of the population size.
Therefore, the requirements for constructing a confidence interval are satisfied.
(c) Construct and interpret a 95% confidence interval for the population proportion of adults in the country who believe that televisions are a luxury they could do without.
The 95% confidence interval for the population proportion is 0.507 +/- 1.96 * sqrt((0.507 * (1 - 0.507)) / 1012) = 0.507 +/- 0.0245 = (0.4825, 0.5315).
We are 95% confident that the proportion of adults in the country who believe that televisions are a luxury they could do without is between 0.4825 and 0.5315.
(d) Is it possible that a supermajority (more than 60%) of adults in the country believe that television is a luxury they could do without? Is it likely?
It is possible that a supermajority of adults in the country believe that television is a luxury they could do without because the 95% confidence interval contains 60%. However, it is not likely because the confidence interval is relatively narrow and the point estimate is far from 60%.
(e) Use the results of part (c) to construct a 95% confidence interval for the population proportion of adults in the country who believe that televisions are a necessity.
The 95% confidence interval for the population proportion of adults who believe that televisions are a necessity is 1 - 0.5315 = 0.4685 to 1 - 0.4825 = 0.5175. Therefore, the 95% confidence interval for the population proportion of adults who believe that televisions are a necessity is (0.4685, 0.5175).
Step-by-step explanation:
find a function f such that f '(x) = 3x3 and the line 81x + y = 0 is tangent to the graph of f.
To find the function, we need to find the values of x and y.
In the aforementioned example, x and y are the independent and dependent variables, respectively. A function is an equation with just one solution for every value of y in the equation. A function pairs each input of a particular type with exactly one output. Instead of y, it is typical to name functions f(x) or g(x).
As we know,
fx = 3x to the power 3
f(x) =
[tex]3x {}^{3 } \: dx \: + c \\ \\ fx = 3x { }^{4} \div 4 + c \\ \\ \\ \\ 3x {}^{3} = - 81 \\ \\ x \: = 243 \\ [/tex]
Hence x is 242
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The figure shows line segment JK and a point P that is not collinear with points J and K.
Suppose that line segment J'K' is the image of line segment JK after a dilation with scale factor 0.5 that is centered at point P. Which
statement best describes the position of line segment J'K"?
It will be parallel to the JK line segment.
What are Parallel Sides ?
If two sides of a geometric shape are not touching or crossing each other and their separation is constant, they are said to be parallel. A shape's parallel sides are opposed, or across from one another, and if they were stretched infinitely beyond the boundaries of the shape, they would not intersect.
According to the given information
Now if a line segment [tex]$3 K$[/tex] is dilated by factor [tex]$0.5$[/tex] about [tex]$p$.[/tex]
The image 3'G' will be of half length as JK and every point on JK at P will be of at half distance.
Therefore,
It will be parallel to the JK line segment.
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It costs a homeowner $6.00 to rent a set of hand tools, plus an additional $2.00 per hour for the rental. The function that models the cost, c, of renting tools for h hours is c = 2h + 6. Identify the solution that has the correct graph and the correct slope.
Answer:
y = 2x + 6
Step-by-step explanation:
The equation c = 2h + 6 represents the cost of renting tools for a given number of hours. The slope of this line is the rate at which the cost of renting the tools increases as the number of hours increases. Since the cost increases by $2.00 for each hour that the tools are rented, the slope of the line is 2.
A graph of this line would be a straight line with a slope of 2 and a y-intercept of 6. This means that the graph would pass through the point (0, 6), which represents the cost of renting the tools for 0 hours. The correct solution is therefore the graph of the equation y = 2x + 6.
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Tom is deciding how many people to take to the movies. The table below shows the cost for different sized groups of people.
The table shows that the cost of going to the movies with a group of people is equal to twice the number of people in the group. For example, if the number of people in the group is 2, the cost is 2 * 2 = $16. Similarly, if the number of people in the group is 4, the cost is 2 * 4 = $32, and if the number of people in the group is 8, the cost is 2 * 8 = $64. Therefore, if Tom wants to go to the movies with a group of n people, the cost will be 2 * n dollars.
please help me with this question!! it would be helpful if you drew the rotated shape A on the grid. thank you!! i will vote brainliest to the first person to answer correctly :)
When rotated through 180° anticlockwise or clockwise about the origin, the new position of the above points is.
Rotate shape A [tex]$180^{\circ}$[/tex] about point (1,0) is (-1,0)
How do you rotate a shape about a certain point?
Move each point on a shape the specified number of degrees in a circle centered on the point of rotation to rotate it. Make sure that every new point is located the same amount of time away from the point of rotation as its corresponding original point.
There are 360 degrees in a circle's complete revolution. We discovered that a rotation of 270 degrees is virtually a full circle. We learned that a whole rotation of a circle is divided in half by 180 degrees. 90 degrees, or half of 180, are simple to identify as angles.
To learn more about complete revolution visit:https://brainly.com/question/17773408
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PLS HELP!!! WILL GIVE BRAINLIEST :)
Answer:
1/ We use the SSS method to prove that triangle CBD = triangle ABD
2/ We use the AA method to prove that <CBD equal < ABD
Step-by-step explanation:
1/ SSS, or side side side method, is the method we use to see if triangles are the same or not, and we know that the sides of both triangles are equal; this proves that both triangles are equal!
2/ AA, or Angle Angle method, is the method we use to see if the angles of triangles are the same or not, and we know that there are marks at <C and <A, these marks prove that both angles are equal! So, <CBD equal <ABD
kevin's shoe size is 12.5, what is the z score of kevin's shoe size compared to the normal population
Z-score of Kevin's shoe size compared to the normal population is, 2.5.
How to find comparation of Kevin shoe size to normal population?
A z-score is the standardized score which gives an idea about how far the data point is from the mean. This is the formula for z-score is defined as follows, Z = X - μ /б.Here X is the raw score, μ is the mean, and б is the standard deviation.The distribution of shoe sizes for males is approximately normally distributed with a mean of 10 and a standard deviation of 1. And Kevin's shoe size is given to be 12.5.Then, Z= 12.5 - 10 / 1 (formula for z-score), and z result was 2.5.Thus, we can say 2.5 is Z-score of Kevin's shoe size compared to the normal population.Learn more about Z-score calculation here: brainly.com/question/29187588
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Harry plans to charge $5 for cookies and $10
for cupcakes at the bake sale. He needs to
make a total of $75 to earn a profit. Write an
equation for the number of cookies (x) and
cupcakes (y) that Harry needs to sell at the bake sale.
Answer: 5x + 10y = or > 75
Step-by-step explanation:
make the number of cookies sold = x, and the number of cupcakes sold = y, since we don't know the number.
each cookie is $5 so it is 5 times x, and each cupcake is $10 so it is 10 times y.
add those together, and the sum must equal 75. If you have already learned this, it would be an equal to or greater than sign. if not then just use an equal sign.
I can’t figure this one out
Answer:
g = 109 degree
h = 71 degree
m = 71 degree
k = 84 degree
Step-by-step explanation:
g= 109 degrees because it is a vertical angle to the 109-degree angle, that is why it is 109 degree
h= 71 degrees because they are supplementary angles which means they add up to 180 degrees. We see that one is 109 degrees, so the other must be 71 degrees.
k = 84 degrees because it is a vertical angle to the 84-degree angle, which is why it is 84 degrees.
m= 71 degrees because m and g must add up to 180 degrees, and we know that g is 109 degrees, so m is 71 degrees!