Answer:
78%
Step-by-step explanation:
First of all, the point estimate is a value located in between the upper confidence limit and the lower confidence limit, it identifies a point in some parameter space.
This question provides us with an interval estimate which is a range of values used to estimate a population parameter.
Interval Estimate = 74% to 82%
74% = Lower confidence limit
82% = Upper confidence limit
Point estimate = middle value
= \(\frac{74+82}{2}=\frac{156}{2}\)
= 78%
I need help can you help me
Answer:
2 : 3
Step-by-step explanation:
BRAINLIEST PLEASE
what about this one can someone help me NOT BOTSSSSSSS
Answer:
to be honest gang i dont know
Step-by-step explanation:
im just being honest
When writing a proof, how do you construct the first statement?
A) By writing the justification for the first statement in the right column.
B) By copying the “prove” statement(s) from the original problem.
C) By writing the next logical statement from the current one.
D) By copying the “given” statement(s) from the original problem.
When writing a proof, you should construct the first statement by copying the “prove” statement(s) from the original problem. The Option B is correct.
How should you construct the first statement in a proof?When constructing the first statement in a proof, it is important to begin with copying the “prove” statement(s) from the original problem. This involves writing the next statement based on the given or previously proven statements.
It is not helpful to write a justification for the first statement in the right column without considering its logical connection to the problem. By beginning with a logically connected statement, the proof can proceed in a clear and organized manner which leads to a valid conclusion.
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Two number cubes are rolled for two separate events:
Event A is the event that the sum of numbers on both cubes is less than 10.
Event B is the event that the sum of numbers on both cubes is a multiple of 3.
Complete the conditional probability formula for event B given that event A occurs first by writing A and B in the blanks:
P ( _a0 | _a1) = P ( _a2 ∩ _ a3)
___________
P ( _a4)
Answer: \(\bold{P(B|A)=\dfrac{P(B\cap A)}{P(A)}=\dfrac{11}{30}}\)
Step-by-step explanation:
The probability of Event B given Event A = the intersection of Event A and B divided by the probability of Event A. (see below for the symbols)
\(P(B|A)=\dfrac{P(B\cap A)}{P(A)}\)
P(A) = (1, 6), (1, 5), (1, 4), (1, 3), (1, 2), (1, 1)
(2, 6), (2, 5), (2, 4), (2, 3), (2, 2), (2, 1)
(3, 6), (3, 5), (3, 4), (3, 3), (3, 2), (3, 1)
(4, 5), (4, 4), (4, 3), (4, 2), (4, 1)
(5, 4), (5, 3), (5, 2), (5, 1)
(6, 3), (6, 2), (6, 1)
= 30
P(B) = (1, 2), (2, 1) sum = 3
(1, 5), (2, 4), (3, 3), (4, 2), (5, 1) sum = 6
(3, 6), (4, 5), (5, 4), (5, 4), (6, 3) sum = 9
(6, 6) sum = 12
= 12
P(A ∩ B) = (1, 2), (2, 1)
(1, 5), (2, 4), (3, 3), (4, 2), (5, 1)
(3, 6), (4, 5), (5, 4), (5, 4), (6, 3)
= 11
Jada read 3/5 of book she has read 75 pages how many pages in whole book
Answer:
The whole book has 125 pages.
Step-by-step explanation:
Let's use a proportion to solve the problem. We can set up the proportion as:
(3/5) = 75/x
Where x is the total number of pages in the book.
To solve for x, we can cross-multiply and simplify:
3x = 5(75)
3x = 375
x = 375/3
x = 125
PLEASE HELP ME ANSWER THIS QUESTION ASAP!! Will mark as brainliest if correct!
Answer: 52
Step-by-step explanation:
Piece B will always be 3 more than piece A
Write each sum as the product of two factors 2r+r+s+2s
2r+r+s+2s =2×r + r×1 + s×1 + 2×s
What is multiplication?In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.
Here, given that,
2r+r+s+2s
=2×r + r×1 + s×1 + 2×s
Hence,
each sum as the product of two factors 2r+r+s+2s =2×r + r×1 + s×1 + 2×s
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To find the number in a square, add the numbers in the two circles
connected to it.
Fill in the missing numbers.
The missing values in the quantitative reasoning given are : -2, 13 and 9
Given the rule :
square = circle + circleWe can deduce that :
circle = square - circleFor the left circle :
circle = -6 - (-4) = -6 + 4 = -2
For the right circle :
circle = 11 - (-2) = 11 + 2 = 13
For the left square :
square = 13 + (-4)
square = 13 -4 = 9
Therefore, the missing values are : -2, 13 and 9
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the radius of a circle is 4, what is the diameter and circumference
The diameter of the circle is 8, because the diameter is twice the radius. The circumference of the circle is 25.1327, because the circumference is calculated using the formula C = 2πr, where r is the radius and π is approximately equal to 3.14.
8+3=
Is equals to what
You are choosing between two different cell phone plans. The first plan charges a rate of
21 cents per minute. The second plan charges a monthly fee of $44.95 plus 11 cents per
minute. How many minutes would you have to use in a month in order for the second
plan to be preferable?
Answer:
at least 450 minutes
Step-by-step explanation:
Find an expression for the cost of each plan as a function of the number of minutes. Set the expressions equal to each other, and solve for the number of minutes.
Let x = number of minutes.
First plan:
cost (in dollars) = 0.21x
Second plan:
cost (in dollars) = 0.11x + 44.95
Set the expressions equal:
0.21x = 0.11x + 44.95
Subtract 0.11x from both sides.
0.1x = 44.95
Divide both sides by 0.1
x = 44.95/0.1
x = 449.5
Since you cannot have a fraction of a minute, the answer is 450 minutes.
17 different tasks are assigned to 7 different people. Each task is assigned to exactly one person and there are no restrictions on the number of tasks that can be given to any one person. Since the tasks are different, it matters who gets which tasks. How many ways are there to assign the tasks
I think it's 17 because if they have 17 tasks they can assign 17 different ones.
The number of ways is there to assign the tasks will be 19448.
What are permutation and combination?A permutation is an act of arranging items or elements in the correct order. Combinations are a way of selecting items or pieces from a group of objects or sets when the order of the components is immaterial.
17 different tasks are assigned to 7 different people.
Each task is assigned to exactly one person and there are no restrictions on the number of tasks that can be given to any one person.
Since the tasks are different, it matters who gets which tasks.
Then the number of the ways are there to assign the tasks will be
¹⁷C₇ = 17! / [(17 - 7)! x 7!]
¹⁷C₇ = 17 x 16 x 15 x 14 x 13 x 12 x 11 x 10! / (10! x 7!)
¹⁷C₇ = (17 x 16 x 15 x 14 x 13 x 12 x 11) / (7 x 6 x 5 x 4 x 3 x 2 x 1)
¹⁷C₇ = (17 x 16 x 13 x 11) / (2)
¹⁷C₇ = 38896/3
¹⁷C₇ = 19448
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Can you help me with this equation?
The linear function that relates y to x is given as follows:
y = -0.5x + 57.
The slope indicates that the height decays 0.5 feet per minute. The y-intercept indicates that the descent starts at a cruising altitude of 57 feet.
How to define a linear function?
The slope-intercept equation for a linear function is presented as follows:
y = mx + b
The coefficients m and b represent the slope and the intercept, respectively, and are explained as follows:
m represents the slope of the function, which is by how much the dependent variable y increases or decreases when the independent variable x is added by one.b represents the y-intercept of the function, representing the numeric value of the function when the input variable x has a value of 0. On a graph, the intercept is given by the value of y at which the graph crosses or touches the y-axis.From the table, when x = 0, y = 57, hence the intercept b is given as follows:
b = 57.
When x increases by 10, y decays by 5, hence the slope m is given as follows:
m = -5/10
m = -0.5.
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Lines f and g are perpendicular. The equation of line f is y = 1/4x + 2. What is
the equation of line g?
Answer:
y = -4x + (any number)
Step-by-step explanation:
you want to use the negative reciprocal of the slope for line f
so m = -4, since you didn't say any points it has to go through then the
equation of the line is y = -4x + (any number)
Answer:
-4× - 4 That is the answer
What is the simplest
Answer:
(c) x³·∛x
Step-by-step explanation:
You want the simplified form of ∛(x¹⁰).
Cube rootsThe first part of the problem tells you how to get there. After you have that expression, you need to bring the x⁹ term from under the radical.
\(\sqrt[3]{x^{10}}=\sqrt[3]{x^9\cdot x}=\sqrt[3]{x^9}\cdot\sqrt[3]{x}=\boxed{x^3\cdot\sqrt[3]{x}}\qquad\text{matches choice C}\)
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I’m just testing to see how long it takes for someone to answer. Please answer!!!
Answer:
Um, hi...do you have a question at all??
Step-by-step explanation:
Anyone willing to take there time for this question
Answer:
B
Step-by-step explanation:
2(x + 1) - 3x=? What is it?
Which function has the same range as f (x) = negative 2 StartRoot x minus 3 EndRoot + 8?
g(x) = -2√x + 8 is the function that has the same range as f(x) = -2√(x - 3) + 8. Both functions have the range of y ≤ 8
The function that has the same range as f(x) = -2√(x - 3) + 8 is g(x) = -2√x + 8. Both functions have the range of y ≤ 8.There are a few steps involved in determining which function has the same range as f(x) = -2√(x - 3) + 8. The range of a function refers to all the possible output values that the function can produce.Let's begin by examining the original function:f(x) = -2√(x - 3) + 8The square root symbol (√) implies that x-3 must be greater than or equal to 0. If x-3 is negative, then the function would produce an imaginary result.
Let's solve for x when f(x) = 0:0 = -2√(x - 3) + 8-8 = -2√(x - 3)4 = √(x - 3)16 = x - 3x = 19This tells us that the x-value that produces an output of 0 is x = 19. To determine the range, we need to find the maximum and minimum output values. We can use a graphing calculator or sketch a graph to determine the shape of the function and the range.The shape of the function suggests that the range is y ≤ 8, which means that the maximum value of the function is 8. This tells us that any function with the same maximum output value of 8 will have the same range as f(x).
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- Use Structure The temperature in a town
increased 16°F in 5 hours. The temperature
decreased 31°F in the next 8 hours. Which of the
expressions shows the rate of the total change in
temperature? © MP.7
-15°F
13 hours
(A)
B
47°F
13 hours
15°F
10 minutes
47°F
- 13 hours
Answer:
A
Step-by-step explanation:
HELP ME PLEASEEEEEEEEEEEEEEEEEEEEEEEEEE!!!!!!!!!!!!!!!!!!!!
Answer:
Domain: \((-\infty, \infty)\)Range: \((-\infty, 2]\)Step-by-step explanation:
The domain is the set of x-values and the range is the set of y-values.
The company also wants to offer a family size box of cereal. The family size box will be a dilation of the single serving 1.2-ounce box. It must contain 18.75 ounces of cereal. What scale factor does the company need to use for the family size box? Explain or show your reasoning.
the size factor will be 2.5.
What is dilation?Through a modification known as dilation, an object can be resized. By dilatation, the objects can be resized or enlarged. This transformation results in a shape that is a perfect replica of the original image. The form's dimensions do vary, though. An expansion or contraction of the original form is required for a dilatation. This shift is referred to as the scale factor.
The size disparity between the new and old photos is referred to as the scaling factor. The centre of dilatation is a fixed point in the plane. The scale factor and the centre of dilation determine the dilation transformation.
Given that the box has been enlarged by a scale factor of 4, its length, width, and volume have all been increased by 4 times from their original values.
as a result, it has dilated to 72.68
The volume of the box is dilated by a scale factor of 2.5 because the beginning amount of cereal was 12 ounces and the final amount was 18.75 ounces.
Hence the size factor will be 2.5.
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Two systems of equations are given below.
For each system, choose the best description of its solution.
If applicable, give the solution.
System A
x+3y=9
-x-3y=9
System B
-x-3y=-3
x+3y=3
O The system has no solution.
O The system has a unique solution:
(x, y) = (
O The system has infinitely many solutions.
They must satisfy the following equation:
y = 0
O The system has no solution.
O The system has a unique solution:
(x, y) = (D)
O The system has infinitely many solutions.
They must satisfy the following equation:
y=0
The system A has no solution.
The system B has the solution y=( 3-x )/3
What is the solution to an equation?
In order to make the equation's equality true, the unknown variables must be given values as a solution. In other words, the definition of a solution is a value or set of values (one for each unknown) that, when used as a replacement for the unknowns, transforms the equation into equality.
System A:
x+3y=9..........(1)
-x-3y=9 ..........(2)
(1) => x=9-3y........(3)
Substitute (3) into (2)
(2) = > - ( 9-3y ) - 3y = 9
-9 + 3y - 3y = 9
-9 =9
This is false.
So, the system has no solution.
System B:
-x-3y=-3..........(1)
x+3y=3..........(2)
(2) => x=3-3y........(3)
Substitute (3) into (1)
-(3-3y)-3y=-3
-3+3y-3y= -3
-3=-3
This is true,
So, the solution is:
x=3-3y
=> 3y= 3-x
=> y=( 3-x )/3
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What is the best description of originality?
nonobvious
special or interesting
convergent
having a low probability, unique
Originality is the quality of being unique, new, and innovative. It requires creativity, imagination, inspiration, and nonobviousness. Special or interesting aspects may be present, but they are not sufficient to define originality.
Originality refers to the quality of being unique, new, and innovative. It involves creating something that has not been seen or experienced before. The best description of originality is that it is having a low probability and being unique.
An original idea, product, or work of art is something that has not been copied or imitated from others. It represents a new perspective or approach that can offer a fresh insight into a problem or challenge. Originality requires a high level of creativity, imagination, and inspiration, as well as a willingness to take risks and explore new possibilities.
Nonobviousness is also an important factor in originality. It means that the idea or invention is not something that would be obvious to someone skilled in the same field or industry. In other words, an original idea should not be something that could be easily predicted or anticipated.
Special or interesting are also characteristics of originality, but they are not sufficient to define it. An idea or product can be special or interesting without being truly original. For example, a new flavor of ice cream may be interesting, but it may not be original if it has already been created by someone else.
Convergent thinking, on the other hand, involves finding a single solution to a problem. It is the opposite of divergent thinking, which involves generating multiple ideas and possibilities. Convergent thinking is important for finding effective solutions to problems, but it is not the same as originality.
In conclusion, originality is the quality of being unique, new, and innovative. It requires creativity, imagination, inspiration, and nonobviousness. Special or interesting aspects may be present, but they are not sufficient to define originality.
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. 2 1 3 LAU 5 16 7 DO If angle 1 is x+74 and angle 8 is 2x - 1, what are the measures of angle and 87
Consider that the Alternate Exterior Angles are always equal for a transversal passing through two parallel lines.
The given diagram depicts two incline parallel lines and the vertical line acts as a transversal to them.
Now, angle 1 and angle 8 are alternate exterior angles so they must be equal,
\(\begin{gathered} m\angle1=m\angle8 \\ x+74=2x-1 \\ 2x-x=74+1 \\ x=75 \end{gathered}\)So the measure of the angles is given by,
\(\begin{gathered} m\angle1=x+74 \\ m\angle1=75+74 \\ m\angle1=149 \end{gathered}\)Thus, both the angles measure 149 degrees.
An article reports “attendance dropped 6% this year, to 300.” What was the attendance before the drop?
Answer:
Approximately 319.15
Step-by-step explanation:
300 ÷ (1 - 6%) = 319.14893617021
Immediately after take-
off, a jet plane consistently climbs 20 feet for every 40 feet it moves horizontally. The graph shows the
trajectory of the jet.
The linear function representing the jet's trajectory is given as follows:
y = 0.5x.
How to define the linear function?
From the given graph, the slope-intercept definition of the linear function is obtained, which has the following format:
y = mx + b.
The coefficients of the equation are given as follows:
m is the slope, representing the division of the vertical change by the horizontal change.b is the y-intercept, representing the value of y when the function touches the y-axis.The function touches the y-axis at the origin, hence the intercept is of:
b = 0.
The jet plane consistently climbs 20 feet for every 40 feet it moves horizontally, hence the slope is of:
m = 20/40 = 0.5.
Then the equation is of:
y = 0.5x.
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y = −2x + 3
8x + 4y = 12
Answer:
y = 6x
x = 6x
Step-by-step explanation:
To solve this system of equations, we can first rewrite the equations in standard form, where the left-hand side of the equation is equal to zero. To do this, we can subtract the constants 3 and 12 from both sides of the equations, respectively. This gives us the equations:
Y = -2x
8x + 4y = 0
To solve this system, we can use the elimination method, which involves multiplying one or both equations by constants to eliminate one of the variables. Let's multiply the first equation by 4 and the second equation by -2:
4Y = -8x
-16x - 8y = 0
Now we can add the two equations together to eliminate the x-variable:
-16x - 8y = 0
4Y = -8x
Adding these two equations gives us:
-8y + 4Y = -8x - (-16x)
-8y + 4Y = -24x
Next, we can simplify the left-hand side of the equation by combining like terms:
(-8y + 4Y) = -24x
-4y = -24x
Finally, we can divide both sides of the equation by -4 to solve for the y-variable:
y = 6x
Thus, the solution to this system of equations is x = 6x.
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There are 22 children at the park. 5 children are on the swings. The rest of the children are playing ball. How many children are playing ball?
Answer: 17
Step-by-step explanation:
22-5=17
The distance that Sarah travels varies directly to how long she drives. She travels 440 miles in 8 hours. Write the equation that relates the distance, d, to the time, t. How many miles can Sarah travel in 6 hours?
Answer:
330
Step-by-step explanation:
If d = distance, t = time, and s = speed, then the relationship between the 3 is s * t = d.
Solve for speed by dividing the distance over the time, s = d/t. Then, plug in the speed which in this case is 55 mph and then multiply by the time of 6 hours.