How do you find the x-intercept of a linear equation in two variables?
To find the x-intercept of a linear equation in two variables we set y intercept to 0.
When we are given with a two variable linear equation, we plug 0 in place of y and solve the equation to get the x-intercept of that linear equation.
For example, let us consider the linear equation 2x + 3y = 4
To get the x-intercept of the equation 2x + 3y = 4 we would plug y = 0.
Therefore, 2x + 3(0) = 0
⇒ 2x + 0 = 4
⇒ x = 4/2 = 2
Thus, the x-intercept of the linear equation 2x + 3y = 4 is 2.
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Eric rides his bike 4 1/3 hours during the week. His little brother rides his bike 1 3/4 hours during the week. How many more hours does Eric ride his bike during the week than his little brother? Enter your answer as a mixed number in simplest form by filling in the boxes.
Renting a roller rink for your birthday costs $250 plus $10 per person. The total charge
for your party was $400. Translate this information into an equation using a to
represent the number of guests at your party.
Using your equation, determine how many people attended your party.
Answer:
15 people attended the party
What are 3 examples inequality?
your company makes game parts using 3-d printers. one customer wants a circular game coin that is 2.0 centimeters across and 0.5 centimeters thick, as shown below. you need to estimate the amount of plastic you will need for each batch of 50 coins. how many cubic centimeters is that, rounded up if necessary to be a multiple of 10 cubic centimeters?
The amount of plastic needed for each batch of 50 coins is equal to the volume of 50 coins that is 80 cu.cm.
The diameter of the coin is 2.0 cm.
As radius is half of the diameter, so its radius will be 1.0 cm.
It is given that the coin is circular in shape, so the area of the circular surface will be πr² = 3.14 × 1² = 3.14 sq. cm. (π = 3.14)
The thickness of the coin is 0.5 cm, which will be considered as the height of the coin.
So, the volume of each coin will be = 3.14 × 0.5 = 1.57 cu. cm.
Therefore, the plastic needed for the batch of 50 coins is,
1.57 × 50 = 78.5 cu.cm and in multiple of 10 it will be 80 cu.cm.
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can anyone help me.
Answer:
Solution:
Given,
Ratio of photo to to the photo frame=2:3
Length of photo frame=36cm
= 36÷3
=13
then,
Length of photo = 13 ×2
= 26cm
Step-by-step explanation:
Therefore,the length of the photo is 26cm
What is the relationship between the volume of rectangular prism and of a pyramid with the same height and base?
The volume of the pyramid is 1/3 of the volume of the prism.
The relationship between the volumes of pyramids and prisms is that when a prism and pyramid have the same base and height. The volume of the pyramid is 1/3 of the volume of the prism.
To see by the mathematically:
If a pyramid and a prism have the same base and height, their volumes are always in the ratio of
1:3.
As volume of prism is 108 cubic meters,
volume of pyramid is 1/3 × 108 = 36 cubic meters.
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x and y are integers.
y>_2
x+y≤4
y≤ 2x + 2
Mark on the grid all the points
that fulfill all three inequalities.
The common region for all the inequalities y ≥ 2, y ≤ 2x + 2and x + y ≤ 4 is represented by ΔABC (the last graph).
What is an inequality?
"It is a statement which consists of an order relationship (greater than, greater than or equal to, less than, or less than or equal to) between two mathematical expressions."
For given question,
We have been given three inequalities
y ≥ 2 ,
x + y ≤ 4 ,
y ≤ 2x + 2
If we draw the graph of these three inequalities then the common region represents the all the points that fulfill all three inequalities.
An inequality y ≥ 2 represents all the points on and above the line y = 2
An inequality x + y ≤ 4 represents all the points on and below the line x + y = 4
An inequality y ≤ 2x + 2 represents all the points on and below the line y = 2x + 2
Consider the following graphs.
The first graph represents the points which fulfill the inequality y ≥ 2
The graph for an inequality x + y ≤ 4 is represented by the shaded blue region.
The graph for an inequality y ≤ 2x + 2 is represented by the shaded green region.
The common region for all the inequalities is represented by ΔABC
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The union of two sets is a set that contains only the elements that appear in both sets
a. True
b. False
The union of two sets is to avoid counting the same elements twice.
What is set?
The mathematical logic subfield of set theory investigates sets, which can be loosely defined as collections of objects. Although any object can be combined into a set, set theory, as a mathematical discipline, focuses primarily on those that are relevant to mathematics as a whole.
Given union of set
(A ∪ B),
The set of all objects that are members of either A or B, or both, is the union of the sets A ∪ B.
let us take example,
A = { 1, 2, 3, 4}
B = {3, 4, 5, 6, 7}
(A ∪ B) = { 1, 2, 3, 4} ∪ {3, 4, 5, 6, 7}
we can simply write all of A and B's elements in a single set to avoid duplicates to find A U B.
(A ∪ B) = {1, 2, 3, 4, 5, 6, 7}
Hence the union of two sets is a set that contains all the elements of both set and avoid duplicates.
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find the part what is 120% of 10.9
Square Root of 120
In this mini-lesson, we will calculate the square root of 120 by the long division method along with solved examples and interactive questions. The square root of a number is the number that gets multiplied to itself to give the original number. 4 is a square root of 16 because 4 × 4 = 16 and the symbol square root is written as √ and is an integral part of mathematics.
Let us take a look at what the square root of 120 is.
Square Root of 120: √120 = 10.954
Square of 120: 1202 = 14400
Answer: 13.08
Step-by-step explanation:
i hope this helps
The parent function of the function g(x)=(x-h)² + kis f(x)=2. The vertex of the function g(x) is located at (9.-
8). What are the values of h and k?
g(x)=(x-____)^2+______
Answer:
h = 9
k = -8
Step-by-step explanation:
⭐ [tex]g(x) = (x-h)^2 + k[/tex] is already written in vertex form.
⭐ Vertex form: [tex]f(x) = a(x-h)^2 +k[/tex], where the vertex is (-(-h), k)
We are already given the vertex (9,-8), so we have to substitute these numbers into g(x).
[tex]g(x) = (x-9)^2 -8[/tex]
The equation of parabola is solved and the values of h and k are 9 and -8 respectively
What is a Parabola?A Parabola, open curve, a conic section produced by the intersection of a right circular cone and a plane parallel to an element of the cone. A parabola is a plane curve generated by a point moving so that its distance from a fixed point is equal to its distance from a fixed line
The equation of the parabola is given by
( x - h )² = 4p ( y - k )
y = a ( x - h )² + k
where ( h , k ) is the vertex and ( h , k + p ) is the focus
y is the directrix and y = k – p
The equation of the parabola is also given by the equation
y = ax² + bx + c
where a , b , and c are the three coefficients and the parabola is uniquely identified
Given data ,
The vertex form of a parabola function is given by:
g(x) = a(x - h)² + k
where (h, k) is the vertex.
In this case, we are given that:
g(x) = (x - h)² + k
And the vertex is located at (9, -8)
So we have:
h = 9
k = -8
Therefore, the function g(x) can be written as:
g ( x ) = ( x - 9 )² - 8
Hence , the equation of parabola is g ( x ) = ( x - 9 )² - 8
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How do you solve inequality questions?
An inequality like the statement, x + 3 > 5, can be solved by finding the value of the variable, "x", which is x > 2.
How to Solve an Inequality Question?Inequalities are used to express relationships between quantities or values that are not equal. They can be used to describe constraints or limitations on a solution to a problem, or to represent a range of possible values.
Inequality can also be used to describe relationships between variables in algebraic expressions or equations.
To solve an inequality, we need to isolate the variable in the given statement to determine the value of the variable.
For example, given the inequality, x + 3 > 5, in order to solve this inequality, we need to find the value of x by subtracting 3 from both sides:
x + 3 - 3 > 5 - 3
x > 2.
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Which property states that the sum of any two whole number is always a whole number?
The closure property of the whole number states that "Addition and multiplication of two whole numbers is always a whole number."
What is Property of Closure ?
A set has the closure property only under a particular operation which is if the result of the operation is always an element in the set. When a set has the closure property under a particular operation, then we say that the set is “closed under the operation.”
a)The set of integers is closed under the operation of addition because the sum of any two integers is always another integer and is therefore in the set of integers.
b) The set of integers is not closed under the operation of division because when you divide one integer by another, you don’t always get another integer as the answer. For example, 4 and 9 are both integers, but 4 ÷ 9 = 4/9. 4/9 is not an integer, so it is not in the set of integers!
Hence , the closure property of the whole number states that "Addition and multiplication of two whole numbers is always a whole number.
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Do the one you would like please show work
Step-by-step explanation:
I am not what the answer My teacher
TEXT ANSWER Which ordered pair did you select? Explain why or why not it is a function. Answer in complete sentence.
i picked (3,5) as my ordered pair im giveing brainlist to whoever answers correct and in a complete sentence oh and fast
Answer:
* Can you please give us a photo of the problem you want help with? I have an idea of what the problem could be about, though. The answer I give is what I think the problem is about *
I picked (3,5) as my ordered pair. It is not a function because the coordinate (3,5) has the same x-value as the coordinate [put the coordinate with the same x-value here], and functions cannot have the same x-values for different y-values in order to pass the "vertical line test".
Ruth ha 12 roll at her bakery. She receive an online order for 60 roll. Ruth bake roll in batche of 24. Select the equation that repreent the given ituation and find the number of batche Ruth need to make to complete the order
the equation that represents the given situation is 12x + 24 = 60 and the number of batches Ruth needs to make to complete the order is 2 batches
The issue can be approached from the reverse. She already has 12 rolls, so take that out of the total. 48 will result from this. The "x" would then indicate how many more batches of 24 she needs to make in order to reach that 48 because she manufactures rolls in batches of 24. She would bake two additional batches to get 60 because 48 divided by 24 is equal to 2. If you put this concept into an equation, you get 24x + 12 = 60; 2 batches
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Which exponential function has a growth factor of 5?
So, an exponential function with a growth factor of 5 is of the form y = a * 5^x, where a is a constant coefficient.
An exponential function of the form y = a * b^x has a growth factor of b. Therefore, an exponential function with a growth factor of 5 is of the form y = a * 5^x, where a is a constant coefficient.
For example, if a = 2, then the function y = 2 * 5^x has a growth factor of 5.
Here is a table showing the values of y for some values of x:
x y
0 2
1 10
2 50
3 250
4 1250
As x increases, the values of y increase exponentially at a rate determined by the growth factor of 5.
Therefore, an exponential function with a growth factor of 5 is of the form y = a * 5^x, where a is a constant coefficient.
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For example, if a = 2, then the function y = 2 * 5^x has a growth factor of 5.
Here is a table showing the values of y for some values of x:
x y
0 2
1 10
2 50
3 250
4 1250
As x increases, the values of y increase exponentially at a rate determined by the growth factor of 5.
Therefore, an exponential function with a growth factor of 5 is of the form y = a * 5^x, where a is a constant coefficient.
Is 9 by 16 equal to 5 by 9 yes or no?
Answer:
No
Step-by-step explanation:
9/16 and 5/9 have a common factor is 144
So, we have
81/144 and 80/144
So, 9/16 > 5/9
Answer:
Step-by-step explanation:
no they are not equal, NO
How do you solve a 3x3 for beginners?
Choose an equation, multiply a row by a constant to make it equal to 1, use row operations to make all other elements in the same column equal to 0, repeat for all elements in the matrix, when all elements are equal to 1, the 3x3 matrix is solved
To solve a 3x3 matrix for beginners, start by writing the equation in the form of Ax = B. Then, choose a set of three equations from the matrix that are independent of each other and solve the first equation for one of the unknowns, substituting the known values for the other two unknowns. Substitute the value of the unknown from the first equation into the other two equations and solve for the remaining two unknowns. Finally, check the solution by substituting the values of all three unknowns into the original equation.
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To decorate a cake, you make a shade of orange icing using 24 drops of red food coloring for every 8 drops of yellow. How many drops of yellow food coloring would you need if you use 9 drops of red food coloring?.
The solution of 3 drops of yellow food coloring needed to make a shade of orange icing with 9 drops of red food coloring is 72/24
The formula for calculating the number of drops of yellow food coloring required to make a shade of orange icing would be:
Yellow Food Coloring Drops = (Red Food Coloring Drops x 8) / 24
In this example, we are using 9 drops of red food coloring. To calculate the number of drops of yellow food coloring needed, we would plug in 9 for the number of drops of red food coloring, resulting in the following equation:
Yellow Food Coloring Drops = (9 x 8) / 24
We can solve this equation by multiplying both sides by 24 to get:
Yellow Food Coloring Drops x 24 = 9 x 8
We can further simplify the equation by multiplying the numbers on the right side of the equation to get:
Yellow Food Coloring Drops x 24 = 72
Finally, we can solve for the number of drops of yellow food coloring by dividing both sides of the equation by 24 to get:
Yellow Food Coloring Drops = 72/24
After simplification, we end up with the solution of 3 drops of yellow food coloring needed to make a shade of orange icing with 9 drops of red food coloring.
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A force of 343.8 N is used to push a car 38.5 m horizontally in 4.86 s. Calculate the power developed.
Important Formulas:
[tex]w=Fd[/tex]
[tex]p=\dfrac{w}{t}[/tex]
w = work (Measured in Joules)
F = Force (Measured in Newtons)
d = distance (Measured in meters)
p = power (Measured in watts)
t = time (measured in seconds)
______________________________
Given:
[tex]f=343.8N[/tex]
[tex]d=38.5m[/tex]
[tex]t=4.86s[/tex]
[tex]p=?[/tex]
______________________________
Finding Work:
[tex]w=Fd[/tex]
[tex]w=(343.8)(38.5)[/tex]
[tex]w=13236.3J[/tex]
______________________________
Finding Power:
[tex]p=\dfrac{w}{t}[/tex]
[tex]p=\dfrac{13236.3}{4.86}[/tex]
[tex]\fbox{p = 2723.52 watts}[/tex]
What is mean mode formula?
Mean mode formula - Mean = {Sum of Observation} ÷ {Total numbers of Observations}
What does the mode mean?
By summing all the numbers in a data collection and dividing by the total number of values in the set, the mean (average) of the data set can be determined.
A data collection is ordered from least to largest, and the median is the midpoint number. A data set's mode is the number that appears the most frequently.
What are the mean, median, and example?
The most frequent number, or the one that happens the most frequently, is known as the mode. Example: Since the number 2 appears three times, more than any other number, it is the mode of the numbers 4, 2, 4, 3, and 2.
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How do you copy a formula in Excel?
To see the steps of copy and paste a formula.
Now, According to the question:
Here's how you copy and paste a formula:
1. Select the cell with the formula you want to copy.
2. Press. + C.
3. Click the cell where you want to paste the formula.
4. To quickly paste the formula with its formatting, press + V.
5. Clicking the arrow gives you a list of options.
Let's know to more:
How do I apply the same formula to multiple cells in Excel?
Fill formulas into adjacent cells
1. Select the cell with the formula and the adjacent cells you want to fill.
2. Click Home > Fill, and choose either Down, Right, Up, or Left. Keyboard shortcut: You can also press Ctrl+D to fill the formula down in a column, or Ctrl+R to fill the formula to the right in a row.
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1
Which expression is equivalent to (5³)⁹?
A 53+9
B 53x9
©5³ +5⁹
5³ x 5⁹
Answer: (D) 5³ * 5⁹.
Step-by-step explanation:
The expression (5³)⁹ is the same as 5³ * 5³ * 5³ * 5³ * 5³ * 5³ * 5³ * 5³ * 5³, which can be simplified to 5^9 * 5^9 * 5^9 * 5^9 * 5^9 * 5^9 * 5^9 * 5^9 * 5^9. The only expression from the options above that is equivalent to this is 5³ * 5⁹, so the correct answer is (D) 5³ * 5⁹.
What is a possible factor of x³ 6x² 11x 6?
Therefore , the solution to the given problem of the equation whose factors are (x+2)(x+1)(x+3).
Describe equation.
Two expressions joined by an equal sign form a mathematical statement known as an equation.
An equation is, for instance, 3x - 5 = 16. We can solve this equation and determine that the value of the variable x is 7.
According to the Given question:
x³ + 6x² + 11x +6
This pattern of coefficients 1, 6, 11, 6 is actually one that you are likely to encounter frequently.
For demonstration reasons, let's see what occurs if we begin by using the typical technique for resolving a general cubic:
We can use a linear substitution, t = x + b/3a, to simplify any cubic of the form ax3 + bx2 + cx + d, resulting in a cubic in the form a + b + et + f without a quadratic term.
This is the most straightforward type of Tschirnhaus transformation.
In our example, a = 1 and b = 6, so we want t = x + 2.
Note that:
= + 6+ 12x +8
So we find:
+ 6+ 11x +6 = − (x + 2)
= - t
= t ( - 1)
= t(t − 1)(t + 1)
= (x+2)(x+1)(x+3)
Therefore , the solution to the given problem of the equation whose factors are (x+2)(x+1)(x+3).
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Guys, can you help me with my homework?
Using two column proof, we have been able to show that ΔABE is congruent to ΔCDE via SAS Congruency Postulate.
How to handle two column proof?We are given certain statements of the given triangle and we want to get a flowchart of a proof which is a two column proof. Thus;
Statement 1; CD = AB
Reason 1; Given
Statement 2; BE = DE
Reason 2; AC is the segment bisector of BD
Statement 3; ∠ABE = ∠CDE
Reason 3; Alternate angles theorem
Statement 4; ΔABE ≅ ΔCDE
Reason 4; SAS Congruency Postulate
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The meaure of the exterior angle of a quadrilateral are x°x°, 2x°2x°, 4x°4x°, and 5x°5x°. Find the meaure of the mallet exterior angle
The meaure of the smallest exterior angle among the four exterior angles of a quadrilateral are x°,2x°, 4x°, and 5x° is x = 30° .
What is exterior angles?The angle formed between one side of a polygon and another line segment extending from the adjacent side is called the exterior angle of the polygon.
Exterior and interior angles form a straight line and form a linear pair. Therefore, if we know the interior angles of a quadrilateral, we can easily find the exterior angles.Exterior angle + interior angle = 180°A quadrilateral has 4 interior and 4 exterior angles.The sum of the exterior angle measurements of a polygon equals 360 degrees, regardless of the number of sides of the polygon..We have, quadrilateral with exterior angles x° , 2x° , 4x° and 5x° .
As we discuss, the sum of exterior angles of quadrilateral (polygon of four sides) = 360°
=> x° + 2x° + 4x° + 5x° = 360°
Adding all x values on left hand side,
=] 12x° = 360°
=> x = 360/12 = 30°
Now, the smallest exterior angle of quadrilateral is x° , so it's measure is 30°.
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Can anyone please help me with this question?
Question: If α and β are the roots of 4x^2 + 3x + 7 = 0, find the value of 1/ α + 1/ β
The numeric value of the expression 1/α + 1/β is given as follows:
-3/7.
How to obtain the numeric value of the expression?The quadratic function in this problem is given as follows:
4x² + 3x + 7 = 0.
The coefficients of the quadratic function are given as follows:
a = 4, b = 3, c = 7.
The sum of the roots is given as follows:
α + β = -b/a.
Hence:
α + β = -3/4
The product of the roots is given as follows
αβ = c/a
Hence:
αβ =7/4.
These values are used to obtain the numeric value of the expression, as follows:
1/α + 1/β = (α + β)/αβ = (-3/4)/(7/4) = -3/7.
(the least common multiple of α and β is αβ, and then the least common factor is used to solve the expression).
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What is the value of 5x25 − 3x32 2x − 12 at x 1?
The value of the given expression 5x²⁵ - 3x³² + 2x - 12 at x = 1 is -8.
Explain the term power of the number?How many times you should multiply a number depends on its power. Exponents and indices are other names for powers. For instance, 8^2 may also be referred to as "8 to the power 2," "8 to the second power," or just "8 squared."The given expression is:
5x²⁵ - 3x³² + 2x - 12
To evaluate the value at x=1.
Substitute x = 1 in the given expression.
= 5(1)²⁵ - 3(1)³² + 2(1) - 12
Simplify:
= 5 - 3 + 2 - 12
= -8
Therefore, the value of the given expression at x = 1 is -8.
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The correct question is-
What is the value of 5x²⁵ - 3x³² + 2x - 12 at x=1?
if quadrilateral abcd is rotated 90° clockwise about point a and then reflected across the y-axis to create quadrilateral a’b’c’d’, what will be the coordinate of d’?
According to the 90° clockwise rotation, the new coordinate of the quadrilateral D' is (3, -2)
Quadrilateral
Quadrilateral refers a closed shape and a type of polygon that has four sides, four vertices and four angles.
Given,
If quadrilateral ABCD is rotated 90° clockwise about point A and then reflected across the y-axis to create quadrilateral A’B’C’D’.
Here we need to find the coordinate of D'.
In order to find the new coordinates, first we have to identify the current coordinates of the quadrilateral.
While we looking into the graph, we have identify the point of
A (0,0), B(-4, 3), C(1,5) and D(2,3)
Now, we have to use the rule of clockwise 90° rotation, states that to rotate the figure 90 degrees clockwise about a point, every point(x , y) will rotate to (y, -x).
According to this rule, the new coordinates are written as,
A(0,0) = A'(0,0)
B'(-4,3) = B'(-3,-4)
C(1,5) = C'(5, -1)
D(2,3) = D' (3, -2)
Therefore, the new coordinate of D' is (3, -2).
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