When the two segments have the equal lengths then they are called congruent segments.
As given in the question,
Let us consider two different segments named AB and CD.
Length of the segment AB is equal to 5 cm __(1)
Length of the segment CD is equal to ( 6 - 1 ) cm.
⇒Length of CD = 5cm __ (2)
Length of segment AB is equal to the length of segment CD.
⇒ measure of (AB ) = measure of (CD)
This implies that the two segment with the same length are called congruent to each other.
Therefore, the segment having equal length are called congruent segments.
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17. Umesh set up a small factory by investing
40,000. During the first three successive y
his profits were 5%, 10% and 15% respectively
If each year the profit was on previous
capital, calculate his total profit.
(a) * 35,900
(c) 11,330
(b) * 13,130
(d) * 33,110
His total profit is 13130. Your remaining cash balance (also known as your net profit) is the sum of all your business expenses.
What is total profit?Your remaining cash balance (also known as your net profit) is the sum of all your business expenses. Alternatively said, it's the portion of your whole revenue that you (and your company) get to keep. Profit margin is calculated as profit multiplied by revenue. There is a net profit margin as well as a larger gross profit margin (smaller).The answer is given below :
Sum = Rs 40000
We know that,
Interest = (Sum × Time × Rate)/100
So, for the 1st year when profit is 5%,
Interest
= Rs (40000 × 1 × 5)100
= Rs 2000
So, according to the question,
Rs (40000 + 2000) = Rs 42000 be the Sum for the 2nd year.
So, for the 2nd year, when profit is 10%,
Interest
= Rs (42000 × 1 × 10)/100
= Rs 4200
Again, for the 3rd year, Sum
= Rs (42000 + 4200)
= Rs 46200
Thus, for the third year, when profit is 15%,
Interest
= Rs (46200 × 1 × 15)/100
= Rs 6930
So, now amount is total
= Rs (46200 + 6930)
= Rs 53130
Hence, total profit
= Rs (53130 - 40000)
= Rs 13130
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Delia can buy 3 sweatshirts for a total of $30. How much would it cost if she were to buy 4 sweatshirts at the same price
Answer:
$40. If she bought 3 for $30, then each shirt must be equal to $10 each.
4 times 10 = 40
Step-by-step explanation:
Hope it helps you! =D
24. Justify Your Reasoning This absolute value equation has nested absolute values.
Use your knowledge of solving absolute value equations to solve this equation. Justify
the number of possible solutions.
||2x + 5|—3|= 10
The equation can be solved by breaking it down into two separate absolute value equations:
||2x + 5|= 13 and |—3|= 10.
The first equation has two possible solutions: x = 4 or x = -8.
The second equation has one possible solution: -3 = 10.
Since both equations must be true for the original equation to be true, there is only one possible solution to the original equation: x = 4.
Therefore, the original equation has one possible solution.
What is the reverse inverse of a logarithm?
Inverse of logarithm function is exponential function, undoing the effect of logarithm.
What is logarithm ?
A logarithm is a mathematical function that calculates the power to which a given number (the base) must be raised to produce a certain value. Commonly, logarithms are written with the notation log base b (x), where b is the base and x is the value for which we want to find the power. It can also be written as log x.
The reverse or inverse of a logarithm function is the exponential function. If f(x) = log_b x, then the inverse function, denoted as f^-1(x), is the exponential function with base b, denoted as b^x. This is because log_b (b^x) = x, and b^(log_b x) = x. The logarithm and the exponential function are inverse of each other, meaning that applying the logarithm function "undoes" the effect of the exponential function, and applying the exponential function "undoes" the effect of the logarithm function.
Inverse of logarithm function is exponential function, undoing the effect of logarithm.
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James is building a deck for a client and has several pieces of wood he
wants to use.
The sizes of the pieces of wood are:
1. 5 m
2500 mm
850 mm
4. 8 m
What is the total length of wood in metres?
The total length of wood in meters is 9.65m .
To convert mm to meter
There are 1000mm per meter so divide number of mm by 1000 to convert to meters
The sizes of the pieces of wood are
1.5m2500 / 1000 = 2.5m850 / 1000 = 0.85m 4.8mAdd the number of pieces of wood:
1.5m + 2.5m + 0.85m + 4.8m = 9.65m
Distance is measured in length. Length has the dimension of distance in the International System of Quantities. The majority of measurement systems choose a base unit for length from which all other units are derived. The metre serves as the foundational unit of length in the International System of Units (SI) system.
Most people understand length to refer to an object's longest dimension. However, depending on the object's position, this is not always the case.
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a man's car has 5 tires (4 in regular use and 1 stephney) the car has travelled a total of 10000km during this period to ensure an even amount of wear and tear on ech of the 5 tire. he has been changing tires regularly, so all tires have traveled an equal number of km. how many km has each tire traveled?
Each of the tire has traveled 10000km / 5 tires = 2000km.
To determine how many km each tire has traveled, you can use the following formula:
Total distance traveled / Number of tires = KM per tire
For example, if the car has traveled 10000 km and there are 5 tires, you would divide 10000 by 5 to get 2000 km per tire.
Another way is to use a tire tread depth gauge to measure the depth of the tread on each tire, when the tread wear reaches a certain point, it means the tire has traveled a certain distance.
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What is the best estimate for this sum?
1/8 + 1/6
Responses
A. The sum will be close to 1/4.
B. The sum will be close to 1/2
C. The sum will be close to 1.
Answer: A
Step-by-step explanation:
what is 2+2
please heldp im on a time limit
Answer:
2 + 2 equal 4.
Step-by-step explanation:
2 + 2 equals 4.
Answer: 2 + 2 = 4
Step-by-step explanation: you have two markers and then you have two more markers and you add them together you get four
If a circular cross-section with a center at (1, 1) and radius of 1 is rotated about the line y = 1, what will be the resulting three-dimensional object? Cone Cylinder Sphere Pyramid
There is a circular cross-section with a center at (1, 1) and radius of 1 is rotated about the line y = 1 so it should be a sphere.
If a cylinder is cut along to its circular base, its cross-sectional area is the same as the area of a circle. The area of a two-dimensional shape created when a three-dimensional object, like a cylinder, is cut perpendicular to a predetermined axis at a point is known as the cross-sectional area.
A sphere is a geometrical object that resembles a two-dimensional circle in three dimensions. In three-dimensional space, a sphere is a collection of points that are all located at the same r-distance from a single point. The radius of the sphere is denoted by the letter r, and the specified point represents its center.
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Answer:
sphere
Step-by-step explanation:
i took the quiz
what type of task environment can be best describd as one in which actions are characterized by their possible outcomes, but no probabilities are attached to them
A non-deterministic environment is one in which actions are characterized by their possible outcomes, but no probabilities are attached to them.
It is impossible to predict the outcome because it is likely to differ every time: We can take a non-deterministic stance and consider the social structure to be a complex, unstable, and dynamic system.
A non-deterministic environment is one where actions are characterized by their potential consequences but no probabilities are associated with them. The term "stochastic" normally indicates that uncertainty about outcomes is quantified in terms of probability.
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simplify 9 -10 help please
-1
9 - 9 -1
0-1
-1
Basically subtracting 9 then subtracting 1, leading to -1
Eleri cooks dinner.
She pours milk into this jug.
Eleri needs a total of half a litre of milk.
She thinks she needs to pour 440 ml more milk into the jug.
Is Eleri correct?
Show why you think this.
Show your working and your answer here.
Using subtraction it is found that Elerie needs to pour 350 ml more milk in the jug and not 440 ml.
What is subtraction?
The process of subtracting one number from another is called subtraction. The way to calculate the difference between two numbers is by using the basic arithmetic operation of subtraction, which is represented by the symbol (-).
Eleri needs half a litre of milk, which is a = 500 ml
According to the diagram Eleri has already poured some amount of milk in the jug, which is b = 150 ml.
Let the remaining amount of milk that needs to be poured be x.
So, use the arithmetic operation of subtraction to solve the equation -
x = a - b
x = 500 - 150
x = 350
Eleri is not correct about pouring 440 ml more milk in the jug.
Therefore, Eleri needs 350 ml of more milk in the jug.
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Solve this system of equations by graphing. First graph the equations, and then type the
solution.
2x - y = -6
2x + y = 2
Answer:
Step-by-step explanation:
4x = -4
x = -1
-2 + y = 2
y = 4
(-1, 4)
Purple: plot (-1, 4) and (0, -6)
Yellow: plot (-1, 4) and (0, 2)
The point of intersection between the two equations is (-1, 4). The graph is given below.
What is an equation?The meaning of such an equations in algebra is just a mathematical expression stating the equality between two mathematical terms. For instance, 6x + 5 = 11 is an equation where 6x + 5 and 11 are two expressions separated by the 'equal' sign.
Identity equations and conditional equations are the two types of equations. For just any value of both the variables, an equality remains true. Only such variables have values that make a condition expression true. Two expressions joined by an equals sign ("=") form an equation.
We have,
2x - y = -6
or, y = 2x + 6 ....... (i)
2x + y = 2
or, y = 2 - 2x ........... (ii)
Now,
The point of intersection:
2x + 6 = 2 - 2x
or, 4x = -4
or, x = -1
now, putting the value of x in equation (i), we get -
y = 2(-1) + 6
y = 4
(-1, 4) is the point of intersection.
Now, the graph of the equation is given below.
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5x + 2 < 32 or x-7>2. solve for x
Therefore , the solution of the given problem of inequality comes out to be x<6 and x>9.
Inequality: What is it?A connection of linear solutions or integers in mathematics that lacks an equal sign is known as an inequality. Inequity so follows an imbalance. There exists an inequality between two numerical values when they are not equal. Differences exist between equality and inequality. I've used the most typical symbol in cases where the variables aren't comparable or equal (). Regardless of how little or large the values are, there are numerous inequities that can be used to compare them. A variety of fundamental inequality issues can be solved by switching the two sides until variables represent everything that is left. There are numerous variables that could lead to inequality, including the conjunction or division of low values on both sides. Alternating sides
Here,
Given : 5x + 2 < 32
=> 5x < 32-2
=>5x < 30
=>x < 6
thus,
=> x-7>2
=> x>9
Therefore , the solution of the given problem of inequality comes out to be x<6 and x>9.
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Ms. Garland brought x number of shirts for the new members of her dance school. The total cost for the shirts, including $4 for the cost of shipping, was $77. Each shirt cost $12. Which equation can be used to represent the situation?
WILL GIVE BRAINLIST!!
What is the value of n? enter your answer in the box
n= ——- cm
Therefore , the solution of the given problem of circle comes out to be
n =4 for the length of chord.
Define circle.Each spot that is a certain distance from that other point in the plane forms a circle (center). As a result, it is a curve composed of vertices that are isolated from one another in the plane by a specific distance. Furthermore, it is axis of rotation symmetric about the center at all angles. The circle's enclosed, two-dimensional plane has every pair of endpoints uniformly separated from the "center." Draw a line thru the circle to create a circular symmetry line. Additionally, at every angle, it rotates equally about the center.
Here,
Given :
2 cords AB & CD can intersect at point P,
according to the following theorem:
|AP| |PB| = |CP| |PD|
We obtain
=>(n-2) x 16 = 8x (n+8)
using the theory of intersection between two cords.
Use the following formula:
=>16n+32 = 8n +64
=>8n -32 = 0
=>8n=32.
8 divided by both sides.
n = 32/8
n = 4
Consequently, n has a value of 4.
Therefore , the solution of the given problem of circle comes out to be
n =4 for the length of chord.
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Find the volume of a pyramid whose height is 10.5 feet and whose base is a rectangle with dimensions of 7.2 feet by 6.9 feet.
A pyramid has a volume of 173.88 ft3, is 10.5 feet tall, and has a rectangle-shaped base that is 7.2 feet by 6.9 feet in size.
A rectangular pyramid has five faces altogether. Its rectangular base serves as one face, and the remaining four faces are all triangular in shape. All of the triangles in this are congruent with the triangle to the opposite. The formula for a pyramid's total surface area is 12 pl + B, where p is the base's perimeter, l is the pyramid's slant height, and B is the base's area.
The volume of a rectangular pyramid is found using the formula Volume = 1/3 × base area × height.
height is 10.5 feet
dimensions of 7.2 feet by 6.9 feet.
volume = L× B × H /3
volume = 7.2·6.9·10.5 /3
volume = 173.88ft³.
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What is value of log 3?
The logarithm function can be used to calculate the log values. So the value of log 3 is 0.4771.
Logarithmic functions, also referred to as log functions, are the opposite of exponentiation. According to its definition, a logarithm is a measurement that depicts the degree to which a base (fixed number) is raised to generate a specific number.
The logarithmic function is typically expressed as:
f(x) = [tex]log_ax[/tex]
[tex]log_an=x[/tex] can be expressed as an exponential function in accordance with the definition of the logarithm function:
[tex]a_x = n[/tex]
In general, there are two types of logarithmic functions, namely:
1. Frequently Used Logarithmic Function
2. Natural Logarithmic Function
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Example of Sample of ConvenienceA construction engineer has just received a shipment of 1000 concrete blocks, each weighing approximately 50 pounds. The blocks have been delivered in a large pile. The engineer wishes to investigate the crushing strength of the blocks by measuring the strengths in a sample of 10 blocks. Explain why it might be difficult to draw a simple random sample of blocks. Describe how the engineer might draw a sample of convenience.
It could be challenging to remove blocks from the middle and bottom of the pile in order to draw a basic random sample. Take 10 blocks off the top of the pile to represent convenience as an example.
A non-probability sampling technique called convenience sampling includes selecting a sample from the nearest area of the population. Pilot testing makes the most use of this kind of sampling. Convenience sampling enables researchers to acquire data that would not otherwise be possible in the absence of a sample frame.
Convenience sampling can assist you in collecting data for exploratory research that can be utilised to develop a compelling hypothesis or research topic. Convenience sampling has several benefits, but its main benefits are that it is affordable, effective, and straightforward to use. The main drawback of convenience sampling is the sample's unclear generalizability.
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what is the sum of 4 and 3 multiplied by the quotient of 4 and 2
Answer: 14
Step-by-step explanation:
7 * 2 = 14
Answer:
Sum = 14
Step-by-step explanation:
The sum refers to addition. Quotient refers to division.
The sum of 4 and 3 is written as 4+3. The quotient of 4 and 2 is written as 4/2.
4 + 3 = 7
4 / 2 = 2
Multiply 7 by 2
7 * 2 = 14
The sum of 4 and 3 multiplied by the quotient of 4 and 2 is 14.
-6x-9=33 what is the value of x?
Answer: X = -7 because -6 times -7 equals 42 and 42 minus 9 equals 33
Answer:
Step-by-step explanation:
Step 1: Add 9 to both sides, 33+9=42, the 9s cancel out.
Step 2: divide -6x to both sides 42/-6x is -7x, the 6s cancel out.
You can check the answer by substituting x with 7, so it should look like this: -6(-7)-9=33 :)
There are 12 squares and 16 circles. What is the simplest ratio of squares to circles?
Answer: The simplest ratio of squares to circles would be 3:4.
The simplest ratio of squares to circles would be 3:4. To get this ratio, we need to simplify the ratio of 12 squares to 16 circles. We can divide both 12 and 16 by 4, which is their greatest common factor. This gives us 12/4 = 3 and 16/4 = 4. So, the ratio of squares to circles is 3:4. This ratio can also be written as 3/4.
Step-by-step explanation:
hope this helps!
please hurry!! Choose the equivalent expression to the one shown: (5-2i)²
O 21
O 25 + 4i
O 21 21 - 20i
O 25 - 24i
Answer:
the answer is in the picture
Answer:
21 - 20i
Step-by-step explanation:
Simplify the following:
(-2 i + 5)^2
(-2 i + 5)^2 = 25 - 10 i - 10 i - 4 = 21 - 20 i:
Answer: -20i +21 = 21 - 20i
What is distance in science class 7?
Displacement is the measurement of "how far an object is out of place," whereas distance refers to "how much ground an object has covered during its motion."
A scalar quantity known as distance measures "how much ground an object has traversed" while moving.
The entire journey that an object takes can be used to define its distance. An illustration. An automobile must cover a total distance of 13 km if it drives for 5 km in the east before turning and driving for another 8 km in the north.
The meter is the metric unit of length.
The speed distance time formula is given as. d=xt.
Distance traveled d = x × t.
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The ratio of men to women working for a company is 5 to 7. There are 276 employees in total. How many women work for the company?.
The number of women working for the company is 161 if the ratio of men to women working for a company is 5:7.
The ratio of men to women working for a company is 5:7
Let 5x be the total men and 7x be the total women working for the company:
Total employees = 276
5x + 7x = 276
12x = 276
x =276/12
x = 23
Total men = 5x = 5(23) = 115
Total women = 7x = 7(23) = 161
Thus, the number of women working for the company is 161 if the ratio of men to women working for a company is 5:7.
An ordered pair of numbers a and b, represented as a / b, is a ratio if b is not equal to 0. A proportion is an equation that sets two ratios at the same value.
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What is an equation of the line that passes through the point (−1, −6) and is
perpendicular to the line x + 6y
6?
The equation of line is y = 6x
What is an Equation of a line?The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept
And y - y₁ = m ( x - x₁ )
y = y-coordinate of second point
y₁ = y-coordinate of point one
m = slope
x = x-coordinate of second point
x₁ = x-coordinate of point one
The slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Given data ,
Let the equation of line be represented as A
Let the point be represented as P ( -1 , -6 )
Now , the slope of the line is perpendicular to the line x + 6y = 6
Subtracting x on both sides of the equation , we get
6y = -x + 6
Divide by 6 on both sides of the equation , we get
y = - ( 1/6 )x + 1
Now , the slopes of perpendicular lines = -1
m₁ x m₂ = -1
Substituting the values in the equation , we get
m₂ = 6
So , the equation of line is y - y₁ = m ( x - x₁ )
Substituting the values in the equation , we get
y - ( -6 ) = 6 ( x - ( -1 ) )
y + 6 = 6 ( x + 1 )
y + 6 = 6x + 6
Subtracting 6 on both sides of the equation , we get
y = 6x
Hence , the equation of line is y = 6x
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the equation of the line that passes through the point (−1, −6) and is perpendicular to the line x + 6y = 6 is y = 6x.
What is a Linear equation?A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. Sometimes, the aforementioned is referred to as a "linear equation of two variables," with y and x serving as the variables.
Given, There is an equation of the line that passes through the point (−1, −6) and is perpendicular to the line x + 6y =6
The general formula of the slope-intercept form of a line:
y = mx + b,
where m is the slope
b is the y-intercept
For the Given equation
In the form of slope intercept:
y = -1/6x+ 1
Thus,
Slope = -1/6
Since Another equation is Perpendicular to this given equation:
Thus, The Slope of the other line = -1/ slope of first line
The Slope of the other line = 6
Thus, the Equation of the line will be:
y = 6x + c
Since the line passes through the point (-1, -6)
-6 = -6 + c
c = 0
Therefore, the equation of the line that passes through the point (−1, −6) and is perpendicular to the line x + 6y = 6 is y = 6x.
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Use the Binomial Theorem and substitution to expand each Binomial. Show your step.
I would like only a Tutor to do this, or if you are extremely good at this.
A) (3x+y)^4
B) (x-2y)^6
a) The equation be [tex]$$(3 x+y)^4$$[/tex] then the binomial expression be [tex]$$81 x^4+108 x^3 y+54 x^2 y^2+12 x y^3+y^4$$[/tex].
b) The equation be [tex]$$(x-2 y)^6$$[/tex] then the binomial expression be[tex]$$x^6-12 x^5 y+60 x^4 y^2-160 x^3 y^3+240 x^2 y^4-192 x y^5+64 y^6$$[/tex]
What is meant by Binomial Theorem?The algebraic terms of the form (x + y)n are expanded using the binomial theorem. [tex](x + y)^n = ^nC_0 x_ny_0 +^ nC_1 x_{n-1}y_1,... + ^nC_{n-1} x_1y_{n-1} + ^nC_n x_0y_n[/tex].
In this case, there are n + 1 terms in the binomial expansion with an exponent of n. In a progressive way, the second term's exponent is gradually rising while the first term's exponent in the expansion is steadily declining. The Pascals triangle or the combination formula
[tex]^nC_r[/tex] = n! / [r! (n - r)!]! can be used to determine the coefficients of the binomial expansion.
a) Let the given equation be [tex]$$(3 x+y)^4$$[/tex]
Apply binomial theorem, we get
[tex]$(a+b)^n=\sum_{i=0}^n\left(\begin{array}{l}n \\ i\end{array}\right) a^{(n-i)} b^i$[/tex].
[tex]$a=3 x, b=y$[/tex]
[tex]=\sum_{i=0}^4\left(\begin{array}{l}4 \\i\end{array}\right)(3 x)^{(4-i)} y^i[/tex]
simplifying the equation, we get
[tex]$\frac{4 !}{0 !(4-0) !}(3 x)^4 y^0+\frac{4 !}{1 !(4-1) !}(3 x)^3 y^1+\frac{4 !}{2 !(4-2) !}(3 x)^2 y^2+\frac{4 !}{3 !(4-3) !}(3 x)^1 y^3+\frac{4 !}{4 !(4-4) !}(3 x)^0 y^4$[/tex]
Simplifying the above equation, we get
[tex]$\frac{4 !}{0 !(4-0) !}(3 x)^4 y^0= 81 x^4$[/tex]
[tex]$\frac{4 !}{1 !(4-1) !}(3 x)^3 y^1= 108 x^3 y$[/tex]
[tex]$\frac{4 !}{2 !(4-2) !}(3 x)^2 y^2=54 x^2 y^2$[/tex]
[tex]$\frac{4 !}{3 !(4-3) !}(3 x)^1 y^3= 12 x y^3$[/tex]
[tex]$\frac{4 !}{4 !(4-4) !}(3 x)^0 y^4= y^4$[/tex]
[tex]$$=81 x^4+108 x^3 y+54 x^2 y^2+12 x y^3+y^4$$[/tex]
b) Let the given equation be [tex]$$(x-2 y)^6$$[/tex]
Apply binomial theorem: [tex]$(a+b)^n=\sum_{i=0}^n\left(\begin{array}{l}n \\ i\end{array}\right) a^{(n-i)} b^i$[/tex]
a = x, b = -2y
simplifying the equation, we get
[tex]$$=\sum_{i=0}^6\left(\begin{array}{l}6 \\i\end{array}\right) x^{(6-i)}(-2 y)^i$$[/tex]
[tex]$=\frac{6 !}{0 !(6-0) !} x^6(-2 y)^0+\frac{6 !}{1 !(6-1) !} x^5(-2 y)^1+\frac{6 !}{2 !(6-2) !} x^4(-2 y)^2+\frac{6 !}{3 !(6-3) !} x^3(-2 y)^3+[/tex][tex]$\frac{6 !}{4 !(6-4) !} x^2(-2 y)^4+\frac{6 !}{5 !(6-5) !} x^1(-2 y)^5+\frac{6 !}{6 !(6-6) !} x^0(-2 y)^6$[/tex]
simplifying the equation, we get
[tex]$\frac{6 !}{0 !(6-0) !} x^6(-2 y)^0= x^6$[/tex]
[tex]$\frac{6 !}{1 !(6-1) !} x^5(-2 y)^1=-12 x^5 y$[/tex]
[tex]$\frac{6 !}{2 !(6-2) !} x^4(-2 y)^2= 60 x^4 y^2$[/tex]
[tex]$\frac{6 !}{3 !(6-3) !} x^3(-2 y)^3=-160 x^3 y^3$[/tex]
[tex]$\frac{6 !}{4 !(6-4) !} x^2(-2 y)^4= 240 x^2 y^4$[/tex]
[tex]$\frac{6 !}{5 !(6-5) !} x^1(-2 y)^5 = -192 x y^5$[/tex]
[tex]$\frac{6 !}{6 !(6-6) !} x^0(-2 y)^6= 64 y^6$[/tex]
[tex]$$=x^6-12 x^5 y+60 x^4 y^2-160 x^3 y^3+240 x^2 y^4-192 x y^5+64 y^6$$[/tex]
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For what value of k will the following pair of linear equations have infinitely many solutions 2x 3y 5 and 6x KY 15?
The required value of k will the system of linear equations has infinite number of solutions is -9.
What is Linear equation?A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."
According to question:We know that
2x+3y13=0. ..........(1)
6x−ky−39=0 ..........(2)
Because there are infinity many solutions to linear equations.
[tex]\frac{a_{1}}{a_{2}} =\frac{b_{1}}{b_{2}}=\frac{c_{1}}{c_{2}}[/tex]
⇒ 2/6 = -3/k = -13/-39
-3/k = 1/3
k = -9
Thus,required value of k is -9.
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*9-5 Solving Quadratic Equations by Using the Quadratic Formula*
skim the examples in the lesson. Predict two things you think you will learn about solving quadratic equations by using the quadratic formula
Although the examples referenced are note given, the subject or principle of Quadratic Equations and the Quadratic formula are universal principles and hold true regardless of what examples are used.
Thus, two tings that one can learn about solving quadratic equations by using the Quadratic formula are:
a quadratic equation can have either two solutions, one solution or no solution. These are called the roots of the equation;A quadratic equation looks like this: ax² + bx + c = 0, where x is the variable (or unknown), and a, b, and c are numbers. In this instance, a can NEVER be 0.In mathematics, almost every student encounters the quadratic formula, which is a popular method for determining the roots of a quadratic problem. In practice, the quadratic formula may be used to calculate the size of a place, the speed of a moving item, the value of profit earned on a product, and other things.
We've shown that a quadratic equation is a degree 2 equation. A quadratic has the standard form y = ax² + bx + c, where a, b, and c are integers and a cannot be zero. All quadratic equations graph into some form of curve. All quadratics have two solutions, although not all of them are real.
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Can someone help ASAP please? I will give lots of points
Three-part question. Click on the image to see full questions
Answer:
Part A: You can use unitary method as the shadow is directly proportional to the height of the initial object.
Part B:
1.5 : 5 :: 4.5 :: Height of street sign
5 : 1.5 :: Height of street sign : 4.5
Part C
You can use the first proportion,
If 1.5 ft : 5 ft
4.5 : 4.5 x 5/1.5 = 15 ft.
You can use the second proportion.
5 : 1.5
x : 4.5
5/1.5 = x/4.5
x = 4.5 / 1.5 x 5 = 15 ft
There u go mate.
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