The probability that the next two customers would both select popcorn is 1/78.
What is the probability?Probability is the odds that a random event would happen. The odds that the random event happens has a probability value that lies between 0 and 1. The more likely it is that the event would occur, the closer the probability value would be to one.
The probability that the next two customers would both select popcorn = number of popcorns / total number of snacks x [(number of popcorns / total number of snacks) - 1]
Total number of snacks = 3 + 4 + 6 = 13
2/13 x 1/12 = 1/78
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the leagth of a year on murcury is about 88 earth days. the leagth or a year on venus is about 225 earth days about what percent of leagth of venus's year is murcureys year
The percentage of Venus's year to mercury's year is 39.1%
What is percentage?A percentage is a number that tells us how much out of 100 and can also be written as a decimal or a fraction - three for the price of one! To change the percentage to a fraction, just put the percentage number in the numerator and 100 in the denominator.
Venus year is 88 earth days and mercury is 225 earth days.
To find the percentage of venus's year to mercury's we divide the Venus's year by mercury and multiply by 100
Then , 88/225 ×100 = 39.1 %
Therefore Venus length of year is 39% of mercury's year.
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For babysitting, Nicole charges a flat fee of $3, plus $5 per hour. Write an equation in slope-intercept form that models this situation.
An equation in slope-intercept form that models this situation :
y = 5x + 3
What is equation ?An equation is a formula in mathematics that expresses equality by connecting two expressions with the equal sign =.
In algebra, an equation is defined as a formula that states that two formulas are equal.
For instance, 3x + 5 = 14 is an equation in which the terms 3x + 5 and 14 are separated by an equal sign.
A mathematical expression used to express the relationship between two terms on opposite sides of a letter.
Like a symbol, there is usually only one variable.
For instance, 2x4 = 2.
A mathematical statement consisting of two expressions joined by an equal sign is known as an equation.
3x - 5 = 16 is an example of an equation.
Solving this equation yields x=7 as the value of the variable x.
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What is the slope of y =- 10x 1?.
The slope of y=-10x is -10.
The slope of a linear equation in the form of y = mx + b is represented by the coefficient of x, which is also known as the "slope" or "rate of change." In this case, the coefficient of x is -10.
This means that for every unit increase in x, there is a corresponding decrease of 10 units in y. In other words, the line represented by this equation has a negative slope, meaning it slopes downwards as it goes from left to right.
A linear equation is an equation that can be written in the form of y = mx + b, where m is the slope (or rate of change) and b is the y-intercept (the point where the line crosses the y-axis). Linear equations represent straight lines on a graph, and their slope and y-intercept can be used to determine the characteristics of the line, such as its direction and position.
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Arthur sits in the park reading a newspaper, then starts walking home at a constant pace. He stops for bagels, then walks the rest of the way home.
Use the graph to answer questions about this scenario.
1. What does the x-axis represent in this situation?
2. What does the y-axis represent?
3. During which parts of the graph does Arthur's distance from home decrease?
4. When is Arthur waiting for bagels? Explain how you know.
5. If Arthur's pace had not been constant after leaving the bagel shop, which part of the graph would change? Explain how that part of the graph would change.
6. If Arthur had spent less time reading his newspaper, which part of the graph would change? How would that part change?
The answers to each part is below..
What are algebraic expressions?In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.Given is a graph as shown in the image.
The {x} - axis represents the time.The {y} - axis represents the distance from the home.During the 2nd and 4th part.During the 2nd part, he is waiting for bagels.The 2nd part of the graph would change.The first part would have changed.Therefore, the answers to each part is given above.
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Use the distributive property to write an expression that is equivalent to 8(a + 4)
Using the distributive property we will find the equivalent expression:
8*(a + 4) = 8a + 32
How to use the distributive property?Remember that the distributive property for the multiplication says that:
A*(B + C) = A*B + A*C
So we distributed the product along the addition.
Here we want to rewrite the expression:
8*(a + 4)
Using the distrubitive property, we can rewrite this as:
8*(a + 4) = 8*a + 8*4
= 8a + 32
That is the equivalent expression.
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Is o2 one or two moles?.
O₂ is two moles.
The molecular mass of an element is described as the sum of the masses of all the atoms present in the molecule.
Molecular mass is acquired by adding the atomic masses of all atoms with the number of atoms in the molecule.
O₂ has two atoms, so a mole of O₂ would have 1 mole of O₂ molecules, and when broken down into atoms, 2 moles of atoms.
Think about it like pairs of shoes. If you have 6 pairs of shoes, you have 12 pairs of shoes.
CO₂ has 3 atoms, 2N₂0 has 3 atoms, and there are already 2 moles, so that would be 6 moles of atoms; 2NaCl has 2 atoms but again, that 2 indicates that you'd have 4 moles of atoms, and H₂SO₄ has 7 atoms.
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What is the standard form of the conic defined by x² + 2y² - 8y = 0?
Answer: D.
x^2/8 + (y-2)^2/4 = 1
Step-by-step explanation:
Hope this helps.
On a relevé l’âge des 10 membres d’équipage d’un voilier : 18 ; 28 ; 20 ; 22 ; 22 ; 20 ; 20 ; 20 ; 28 ; 22.
Quel est l’âge médian des équipiers ?
Interpréter ce résultat
Answer:21
Step-by-step explanation:
L'effectif total de l'équipage est donc de 10 personnes. L'âge moyen des équipiers de ce voilier est donc de 22 ans. le milieu de 20 et 22 est 21. La médiane des âges des équipiers est donc de 21.
There vertices of a rectangle are located at (2,4), ( -2, -5), ( -2, 4) on a coordinate plane. What are the coordinates of the fourth vertex of the rectangle
Answer:
(2,-5)
Step-by-step explanation:
find the coordinates which forms rectangle with othe given points
The coordinates of the fourth vertex of the rectangle are (2, -5).
What is a rectangle?A rectangle is defined as a four-sided shape with opposite sides that are equal in length and parallel to each other.
We have to determine the fourth vertex of the rectangle.
As we know that the opposite sides of a rectangle are equal.
The x-coordinate of the second vertex (2,4) is equal to the x-coordinate of the fourth vertex.
So, the x-coordinate of the fourth vertex = 2
The y-coordinate of the third vertex (-2,-5) is equal to the y-coordinate of the fourth vertex.
So, the y-coordinate of the fourth vertex = -5
Therefore, the coordinates of the fourth vertex of the rectangle are (2, -5).
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What are the 4 parts of a coordinate plane?.
The four parts of a quadrant are upper right, upper left, lower right, lower left.
The upper right quadrant of the coordinate plane, sometimes known as quadrant 1, has only positive coordinates (QI). Quadrant two is the upper left-fourth of the coordinate plane (QII). Quadrant three is at the bottom left (QIII). Located in the bottom right corner is quadrant number four (QIV). In quadrant I, the x- and y-coordinates are both positive. In quadrant II, the x-coordinate is negative while the y-coordinate is positive. In quadrant III, the x- and y-coordinates are positive. In quadrant IV, the x-coordinate is positive while the y-coordinate is negative. The area enclosed by the x and y axes is referred to as a quadrant in a coordinate system. The quadrants are formed by the 90-degree intersection of the x- and y-axes.
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What does the function f 14 )= 11?.
Function f(14) = 11 shows that the outcome of a function at x = 14 the value of the function is 11.
Function is a mathematical phrase, rule, or law that establishes the link between an independent variable and a dependent variable (the dependent variable). In mathematics, functions exist everywhere, and they are crucial for constructing physical links in the sciences. The German mathematician Peter Dirichlet initially offered the contemporary definition of function in 1837:
To specify what the function f (14) = 11 means.
Here,
f( 14 ) = 11
f( 14 ) = f( x )
x = 14
f( x ) = 11
Implies that,
f(x) = y is function, when x = 14 the function gives y = 11 ,,means that for x = 14 the outcome of the function is 14.
Therefore, function f(14) = 11 implies that the outcome of a function at x = 14 the value of the function is 11.
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Please help me with this answer!!
Please give a good reasoning, and a good answer!
solve the following simultaneous equations and leave your answer in decimal form
3x-y=4
2x^2+y^2+xy=6
The solutions to the nonlinear system of equations are (x₁, y₁) = (1 + √14 / 7, - 1 + 3√14 / 7) and (x₂, y₂) = (1 - √14 / 7, - 1 - 3√14 / 7).
How to solve a nonlinear system of equations
In this problem we find the case of a system of two equations formed by a linear equation and a quadratic equation that can be solved by means of algebra properties. First, write the entire system of equations:
3 · x - y = 4
2 · x² + y² + x · y = 6
Second, clear y in the first equation:
y = 3 · x - 4
Third, substitute in the second equation:
2 · x² + (3 · x - 4)² + x · (3 · x - 4) = 6
2 · x² + 9 · x² - 24 · x + 16 + 3 · x² - 4 · x = 6
14 · x² - 28 · x + 10 = 0
By quadratic formula:
x₁ = 1 + √14 / 7 or x₂ = 1 - √14 / 7
Fourth, find the possible values for y:
y₁ = 3 · x₁ - 4
y₁ = 3 · (1 + √14 / 7) - 4
y₁ = - 1 + 3√14 / 7
y₂ = 3 · x₂ - 4
y₂ = 3 · (1 - √14 / 7) - 4
y₂ = - 1 - 3√14 / 7
Fifth, write the solutions:
(x₁, y₁) = (1 + √14 / 7, - 1 + 3√14 / 7), (x₂, y₂) = (1 - √14 / 7, - 1 - 3√14 / 7)
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What is a solution in a system?.
In a system of equations, a solution is a set of values for the variables that make all of the equations in the system true.
For example, consider the system of equations:
3x + 2y = 6
4x - y = 5
A solution to this system would be a set of values for x and y that, when substituted into both equations, make the left side equal the right side. So, for example, one solution could be x = 1, y = 1. If we substitute these values into the equations, we get:
3(1) + 2(1) = 6 and 4(1) - (1) = 5, which is true.
A system of equations can have one unique solution, infinitely many solutions, or no solution.
A system of equations has one unique solution when there is one specific set of values that makes all equations true.
A system of equations has infinitely many solutions when there are infinitely many sets of values that make all equations true. This means that there is a family of solutions, represented by a line or a plane in the case of systems of 2 or 3 equations with 2 or 3 variables.
A system of equations has no solution when there are no values that can be assigned to the variables that make all equations true. This means that the equations are inconsistent.
It's worth noting that a system of equations can be represented in different ways. The solution is the same but the way of finding the solution can change depending on the representation of the system.
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provide numerical measures of individuals. the measures can be added or subtracted, and provide meaningful results.
Quantitative variables provide numerical measures of individuals. the measures can be added or subtracted, and provide meaningful results.
What are Quantitative variables?Any variable for which the data show amounts is a quantitative variable (e.g. height, weight, or age). Any variable where the data show groupings is a categorical variable. quantitative elements Quantitative variables are those that are measured on a numeric scale, as was covered in the chapter's section on variables. The following are some examples of quantitative variables: height, weight, reaction time, subjective pain rating, temperature, and exam score.A qualitative study focuses on words and meanings, whereas a quantitative study works with figures and statistics. You can measure variables and test hypotheses in quantitative ways. With the use of qualitative techniques, you can delve deeper into ideas and experiences.To learn more about Quantitative variables refer to:
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Factor the expression to fill in the blank.
33 + 66 = ? (3 + 6)
What is product rule example?.
Product rule example is f(x) = (3x - 2x2)(5 + 4x).
Following the Product rule we have
f ' (x) = (3x - 2x2)(0 + 4) + (5 + 4x) (3 - 4x)
= 12x - 8x2 + 15 + 12x - 20x - 16x2
= - 24x2 +4x + 15
Simply put, a product is the outcome of multiplying two functions. This rule, which was developed by Gottfried Leibniz, enables us to compute derivatives that we don't want (or are unable to) multiply quickly. In other words, by combining our understanding of the power rule with the sum and difference rule for derivatives, we can use the product rule to obtain the derivative of two differentiable functions that are being multiplied together.
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solve absolute value inequalities
solve for s
-|s| ≤ -18
Answer:
s >= 18 and s <= -18
Step-by-step explanation:
-|s| <= -18
|s| >= 18
The value inside the module can be either positive or negative:
positive:
s >= 18
negative:
-s >= 18
s ≤ -18
The organizer of a potluck dinner sends 6 people a list of 10 different recipes and asks each person to bring one of the items on the list. If all 6 people randomly choose a recipe from the list, what is the probability that at least 2 will bring the same thing?
The probability of at least two people bringing the same item is 0.19.
What is probability?Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true.
Given that, The organizer of a potluck dinner sends 6 people a list of 10 different recipes and asks each person to bring one of the items on the list.
The probability of two people bringing the same item can be calculated using the formula P(A∩B) = P(A) × P(B).
In this case, P(A) and P(B) are both 1/10, because each person has the same chance of choosing any one of the 10 items on the list.
Therefore, the probability of two people bringing the same item is 1/100. To calculate the probability of at least two people bringing the same item, we can use the formula P(A∪B) = P(A) + P(B) - P(A∩B).
In this case, P(A∪B) = 1/10 + 1/10 - 1/100 = 0.19.
Hence, the probability of at least two people bringing the same item is 0.19.
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Ai Mi has a loyalty card good for a 13% discount at her local hardware store. What would her total in dollars and cents be, after the discount and before tax, if the total cost of all the items she wants to buy is $39? Round to the nearest cent.
In linear equation, $33.93 would her total in dollars and cents be, after the discount and before tax, if the total cost of all the items she wants to buy is $39.
What in mathematics is a linear equation?
A linear equation is a first-order (linear) term plus a constant in the algebraic form y=mx+b, where m is the slope and b is the y-intercept. Sometimes, the aforementioned is referred to as a "linear equation of two variables," where x and y are the variables. Equations with variables of power 1 are referred to be linear equations. One example with only one variable is where ax+b = 0, where a and b are real values and x is the variable.
Item she wants to buy is priced at $39
After the discount, and before tax, the price is $33.93.
39.00 x .13 = 5.07
39.00 - 5.07 = $33.93
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graph each function determine which of the functions are linear. find the y-intercept of each function and the slope
The graph of f(x) = 2x + 3 is a linear function and its y-intercept is y = 2x + 3.
What is linear function?Any function is referred to as linear if it represents a straight line on the coordinate plane. For instance, the linear function represented by the equation y = 3x – 2 looks like a straight line on a coordinate plane. Due to the fact that f(x) can substitute for y, this function can be written as f(x) = 3x - 2.
First find the slope of the line
y - y₁ = m(x - x₁)
0 - 3 = m(-1.5 - 0)
m = 2
From the graph, we can take any of the two points i.e.(0, 3) and put it in slope formula
y - y₁ = m(x - x₁)
So,
y - 3 = 2(x - 0)
y = 2x + 3 (y-intercept)
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Full question:
Graph each function determine which of the functions are linear. find the y-intercept of each function and the slope.
f(x) = 2x + 3
Contruct an iocele triangle in which length of it' equal ide i 6 cm and the angle between them i 75º
A triangle having two equal sides and angles is known as an isosceles triangle. Its equal sides are 6 cm long and make a 75o angle with one another.
A triangle having two equal sides and angles is known as an isosceles triangle. The procedures listed below can be used to build an isosceles triangle with a length of 6 cm and an angle of 75o between the two equal sides:
1. Mark the midway of each of the two 6 cm-long equal lines.
2. Draw a line between the two mid points to create the triangle's base.
3. Beginning at one of the base line's ends, use a compass to draw a 75-degree arc.
4. Create a new arc of Starting from the other end of the base line, measure 75o with a compass.
5. The third corner of the triangle will be formed by the intersection of these arcs.
6. To finish the triangle, connect its three corners with straight lines.
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Kurt is starting a business selling handmade necklaces. He has decided to invest an initial amount of $20 for advertising, and materials cost $7 for each necklace he makes. Kurt can sell his creations for $9 per necklace. Once he makes and sells a certain number of necklaces, he will break even, with identical expenses and sales. How many necklaces would that take? What would the total expenses and sales be then?
PLEASE ANSWER FAST WILL MARK BRAINLIEST!!!
The number of necklaces at the break-even point will be 10.
What is the solution to the equation?The allocation of weights to the important variables that produce the calculation's optimum is referred to as a direct consequence.
Kurt is beginning a business selling high-quality neckbands. He has chosen to contribute an underlying measure of $20 for publicizing, and materials cost $7 for every accessory he makes. Kurt can sell his manifestations for $9 per piece of jewelry.
Let 'x' be the number of necklaces. Then the equations are given as,
Cost = 7x + 20
Sell = 9x
The number of necklaces at the break-even point is calculated as,
Sell = Cost
9x = 7x + 20
2x = 20
x = 10
The number of necklaces at the break-even point will be 10.
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what number has greatest common factor of 2 and is greater than 18 less than 30
Answer:
26
Step-by-step explanation:
The number that has a greatest common factor of 2 and is greater than 18 and less than 30 is 26.
When there is no solution of a system called system of equations?.
When there is no solution to a system called an inconsistent system of equations.
A linear equation in two variables is in the form ax + by + c = 0 where a, b, c ∈ R, a, and b ≠ 0. An inconsistent pair of linear equations is named a linear equation system with no solution. When we think of a system of linear equations, we are able to compare the coefficients of the equations and find whether it is a system of equations with no solution.
Assume the pair of linear equations in two variables, x and y.
a₁x + b₁y + c₁ = 0
a₂x + b₂y + c₂ = 0
Where a₁, b₁, c₁, a₂, b₂, c₂ stand real numbers.
Note that, a₁² + b₁² ≠ 0, a₂² + b₂² ≠ 0
If (a₁/a₂) = (b₁/b₂) ≠ (c₁/c₂), then there will be no solution.
--The given question is incorrect; the correct question is
"When there is no solution of a system called _____ system of equations."--
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Is ABC congruent QRP? Explain
A No, SSA is not a thing
B) Yes, by SAS
C Yes, by HL
D No, not enough information
Answer: C). Yes, by HL
Step-by-step explanation:
What is the first step in solving quadratic inequality?.
Step 1: Find the important numbers. The roots of a quadratic inequality in standard form are the critical numbers. Therefore, solve by setting the function to zero.
In order to solve a quadratic function, what is the first step?Using inverse operations to isolate the x2 squared is the first step in solving quadratic equations by finding square roots. Step 1: Utilize inverse operations to isolate the x2 squared. Step 2: To isolate x, square root both sides.
What are the four steps for solving a quadratic equation?The quadratic formula, factoring, using the square roots, and completing the square are the four methods for solving a quadratic equation. As a result, I want to go over a general discussion of the various approaches to solving quadratic equations at this point.
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HELP MEEEEEE PLEASEEEEE ASAPPP
Answer:
Look at my image:
Left 4, down 2
From -180 feet to -120 feet = ____ feet change in elevation 300 -300 60 -60
Simplify this expression 13+ (-12) - (-5) = ?
Answer: 6
Step-by-step explanation:
When solving this problem, it is important to remember the rules for when we add a negative and subtract a negative. When we add a negative (+ -), we are essentially going to keep the sign attached to the number. In this case, we would still subtract. When subtracting a negative (- -), the signs cancel out, so will add the number instead. With that in mind, we can rewrite the equation and solve it as follows:
13 - 12 + 5
1 + 5
6
Hope this helps!
