More than 25 percent of American adults are victims of identity theft each year.
What percentage of Americans are victims of identity theft?33% of Americans have experienced identity theft in some capacity. In comparison to other countries, the United States has about three times as many identity theft scenarios. According to reports, about 33% of Americans have experienced an attempt at identity theft at some point in their life.Up to 9 million Americans per year, according to the Federal Trade Commission (FTC), have had their identities stolen. You may discover crime prevention strategies and what to do if you become a victim by learning about this subject.According to Javelin Strategy, 15 million Americans are expected to have had their identities stolen in 2021.Learn more about Theft in America refer to :
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What is the percent decrease?
92% is the percent of decrease.
What is a function?A relation is a function if it has only One y-value for each x-value.
The function [tex]M(t)=975.(0.92)^{t}[/tex]
Function represents the number of milligrams of a medication in a patients body as a function of time.
t represents the time.
0.92×100=92%
975 is the initial value and 0.92 is the percent of decrease.
Hence, 92% is the percent of decrease.
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[Coin Changing] Let An = {a1,a2,...,an} be a set of distinct coin types (e.g., a1 = 50 cents, a2 = 25 cents, a3 = 10 cents, etc). Note that ai may be any.
// Returns an array C[1..n] of the number of coins of each value, where
// the sum from 1 to n of C[i]*A[i] will equal t.
Greedy-Coins( t, A )
Define array C as an array of length n with all values zero for i = 1 to n
C[i] = t / A[i] // Note use INTEGER arithmetic here
t = C[i] mod A[i] // Note using integer modulo here to get the remainder
end fo ... ro
return C
An easy counterexample would be to use V = ( 5, 3, 1 ), and t= 9. The greedy algorithm will return values ( 1, 0, 4), but a little intuition shows that the array ( 0, 3, 0 ) will use fewer coins.
c) If we consider the array A = ( kn-1, kn-2, ..., k0), and k >0, then we can see that for any k < (n-1), there will be at most (k-1) coins of that value; if there had been sufficient \"value\" remaining to select k coins o that value, the greedy algorithm would have selected one more coin of the next coin up. Another way to look at this is that for any selection by the greedy algorithm from ki ... k0, the value MUST be less than ki+1, since ki+1 is by definition a multiple of k.
Complete question:
Let An = { a1, a2, ..., an } be a finite set of distinct cointypes (e.g., a1= 50 cents, a2= 25 cents, a3= 10 cents etc.). We assume each ai is an integer and that a1 > a2 > ... > an. Each type is available in unlimited quantity. The coin-changing problem is to make up an exact amount C using a minimum total number of coins. C is an integer > 0.
(a) Explain that if an != 1 then there exists a finite set of coin types and a C for which there is no solution to the coin-changing problem.
(b) When an = 1 a greedy solution to the problem will make a change by using the coin types in the order a1, a2, ..., an. When coin type ai is being considered, as many coins of this type as possible will be given. Write an algorithm based on this strategy.
(c) Give a counterexample to show that the algorithm in (b)doesn\'t necessarily generate solutions that use the minimum total number of coins
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how many acres in a square mile
One square mile contains 640 acres. 640 acres in a square mile.
What does acres mean?The size of an acre is equal to 0.4047 hectares (4,047 square metres). The term "acre" has its origins in the usual area that could be ploughed in a single day with a yoke of oxen pushing a wooden plough. It is derived from Middle English "aker" (from Old English "aecer") and is similar to Latin "ager" ("field").The circumference of the two-acre plot, if it were two square acres placed side by side, would be 1252.26 feet, or almost four and a half times around, or a mile. The circumference of the two-acre area, which is 50 feet by 1742.4 feet, is 3584.8 feet, or around one and a half times around, or a mile.To learn more about acres refer to:
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find a value of c that makes the following function continuous at x=0. explain why the value of c works. f(x)= 12x−4sin(3x) 5x3, x≠0 c, x=0
The value of c for the given function at x = 0 to be continuous is c = 8/15.
Condition of ContinuityThe following three requirements must all be met for a function to be regarded as continuous at a point:
The point defines the function.As x gets closer to the point, the function has a limit that exists.As x moves closer to the point, the value of the function at that location equals the function's limit.In other words, a function is continuous at a place if you can draw it without moving your hand and the function's graph doesn't have any gaps or leaps at that location. Calculus' central idea of continuity is crucial for defining derivatives and integrals.
According to the question
Given function = f(x)= 12x−4sin(3x)/5x3
We require f(0) = c, where c is the value given to the function at x = 0, in order to make the function continuous at that point. We may assess the limit of f(x) as x gets closer to zero to determine c.
The limit of f(x) as x approaches 0 may be determined using L'Hopital's rule as follows:
lim x→0 f(x) = lim x→0 (12x - 4 * sin(3x)) / (5x^3)
= lim x→0 (12 - 4 * 3 * cos(3x)) / (15x^2)
= 8 / 15.
So, c = 8 / 15. Therefore, the function f(x) = (12x - 4 * sin(3x)) / (5x^3), x ≠ 0 and c, x = 0 is continuous at x = 0 with c = 8 / 15.
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explain why an elevation less than -5 feet represents a distance from sea level greater than 5 feet
The elevation represents a distance from the sea level greater than 5 feet, because the original description specifies a distance greater than 5 feet below sea level.
What is Vector and Scalar quantity?Physical quantities like mass and electric charge are examples of scalar quantities because they only have magnitudes. In contrast, a vector quantity is a physical quantity like force or weight that has both magnitudes and directions.
The elevation is the height or distance above sea level and is expressed as a distance.
Given that it contains both magnitude (distance) and direction, elevation in the previous description is a vector (above sea level).
Distance is a scalar quantity with only one magnitude that describes the area travelled by a moving object.
A height of less than 5 feet denotes a location that is less than 5 feet above sea level, which is equivalent to a location that is more than 5 feet below sea level.
Greater than 5 feet below sea level = less than -5 feet above sea level, therefore;
A distance from (below) sea level of more than 5 feet is represented by an elevation of less than -5 feet.
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For which values of t is each set linearly independent?
(a) S = {(t, 1, 1), (1, t, 1), (1, 1, t)}
(b) S = {(t, 1, 1), (1, 0, 1), (1, 1, 3t)}
S = {(t, 1, 1), (1, 0, 1), (1, 1, 3t)} is linearly independent of t.
Therefore the answer is b) S = {(t, 1, 1), (1, 0, 1), (1, 1, 3t)}.
(a) S is linearly independent for all values of t if the following equation has a non-trivial solution:
a(t, 1, 1) + b(1, t, 1) + c(1, 1, t) = (0, 0, 0).
Expanding this equation, we get:
at + b + c = 0
a + bt + c = 0
a + b + ct = 0.
Solving this system of linear equations, we find that a = b = c = 0. This implies that any linear combination of the vectors in S results in the zero vector, so S is linearly dependent for all values of t.
(b) S is linearly independent if the following equation has a non-trivial solution:
a(t, 1, 1) + b(1, 0, 1) + c(1, 1, 3t) = (0, 0, 0).
Expanding this equation, we get:
at + b + 3ct = 0
b = 0
a + c = 0.
Since a and c cannot both be zero, this system has no trivial solution, which means that S is linearly independent for all values of t.
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question content area top part 1 limits of the form limh→0 f(x h)−f(x) h occur frequently in calculus. evaluate this limit for the given value of x and function f. f(x)=x2, x=
The limit as h→0 of f(x+h) − f(x) / h is 0. the denominator of the fraction is 0, the limit is undefined.
To evaluate this limit, we need to plug in the given value for x and the function f(x). We are given that f(x) = x2 and x = 3.
Therefore, we have:
limh→0 f(3+h)−f(3) h
Since f(3) = 3^2 = 9, we can rewrite the limit as:
limh→0 f(3+h)−9
We can now plug in the value of h=0 to get the value of the limit:
limh→0 f(3+0)−9 0
Since the denominator of the fraction is 0, the limit is undefined.
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Sam need to catc the 8 a. M. Bu to get to work on time. The probability that Sam overleep i 0. 6. When Sam overleep, the probability that he mie the bu i 0. 8. When Sam doe not overleep, the probability that he mie the bu i 0. 3. Calculate the probability that Sam catche the bu
Probability determines the likelihood of an event occurring: P(A) = f / N
How to Calculate the probability?P(A) = f / N indicates the likelihood of an event occuring. Odds and probability are connected, but odds are affected by probability. Before calculating the chances of an event occurring, you must first calculate probability.
Finding the chance of a simple event occurring is simple: add the probabilities together. For instance, if you have a 10% chance of winning $10 and a 25% chance of winning $20, your total chances of winning are 10% + 25% = 35%. According to probability, heads have a 12 chance, thus we may expect 50 heads. But when we attempt it, we could get 48 heads, or 55 heads, or anything else, but in most circumstances, we’ll get something close to 50.
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What is the difference between minimum and infimum?
The terms minimum and infimum are both related to the concept of lower bounds in mathematics. A minimum is the smallest value in a set of numbers, whereas an infimum is the greatest lower bound of a set.
A minimum is a value that is less than or equal to all other values in the set, while an infimum is a value that is less than or equal to all other values in the set, but not necessarily the smallest value.
For example, if we consider the set {2, 4, 6}, the minimum is 2 and the infimum is also 2. However, if we consider the set {2, 4, 6, 8}, the minimum is 2 and the infimum is 4. In the latter set, 4 is the greatest lower bound, meaning that all other values in the set are greater than or equal to 4.
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25 Points for the answer to this question
The measure of angle B is m∠B = 71°
How to solveIf ABCD is a kite, then ∠A and ∠C must be equal to each other.
∠A = ∠C, so ∠C = 87°.
ABCD is a quadrilateral, so all of its interior angles must add up to 360°. We know 3 of the 4 angles, so we'll add them up and subtract the answer from 360.
∠A + ∠C + ∠D ⇒ 87 + 87 + 115 = 289
360 - 289 = 71
m∠B = 71°
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What is the difference between sound and unsound deductive reasoning? Explain your answer in 3 - 4 sentences.
The sound and unsound deductive reasoning is differentiated below.
What is deductive reasoning?Deductive reasoning is a logical approach where you go from general ideas to specific conclusions.
Given is the difference between sound and unsound deductive reasoning.
Sound deductive reasoning -
If an argument is both valid and has all true premises, we will say that the argument is sound.
Unsound deductive reasoning -
An argument is unsound if it either has a false premise, or is invalid.
Therefore, the sound and unsound deductive reasoning is differentiated above.
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need a little help with Surface Area of Pyramids
The surface area of square pyramid is 207.04 square inches.
What is surface area?Surface area is the area of all outer facing surfaces on an object. The total surface area is calculated by adding all the areas on the surface: the areas of the base, top, and lateral surfaces (sides) of the object.
The formula to find the surface area of square pyramid is A=a²+2a√(a²/4+h²)
Here, a=8 inches and h=8 inches
Now, A= a²+2a√(a²/4+h²)
A= a²+2a√(a²/4+h²)
A= 8²+2×8√(8²/4+8²)
A= 64+16√(16+64)
A= 64+16√80
A= 64+16×8.94
A= 207.04 square inches
Therefore, the surface area of square pyramid is 207.04 square inches.
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find the area of the region that is bounded above by the curve f(x)=(x 9)2 and the line g(x)=−x−7 and bounded below by the x-axis. enter your answer as an exact answer.
The area bounded by the given curve is =4.44.
There are several ways to calculate the area under the curve, but the antiderivative approach is the most widely used. Knowing the curve's equation, its bounds, and its enclosing axis will allow you to determine the area under the curve. In general, there are formulas for calculating the areas of standard shapes like squares, rectangles, quadrilaterals, polygons, and circles, but there isn't one specifically designated for calculating the area beneath curves. The integration method aids in equation solution and area determination.
The antiderivative methods are highly useful for locating the regions of irregular plane surfaces. In this lesson, we'll learn how to calculate the curve's area under the axis.
the area of the region that is bounded above by the curve f(x)=(x- 9)2 and the line g(x)=x−7.
The area enclosed by the curves is-
[tex]A=\int_a^b[{f(x)-g(x)]dx[/tex]
[tex](x-9)^2=x-7\\\\x^2-19x+88=0\\(x-8)(x-11)=0\\x=8 , x=11\\\\\int_8^{11}[(x-9)^2-(x-7)]dx\\\\=\int_8^{11}[x^2-19x+88]dx\\\\\\=[x^3/3-19x^2/2+88x]_8^{11}\\\\=4.44[/tex]
The area bounded by the given curve is =4.44.
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the state of wyoming has a population of 564,000 and a population density of 2.16 people per square kilometer. find the width of wyoming.
To find the width of Wyoming, we need to find the area of the state and divide by the width.
Area = population density x total population
Area = 2.16 x 564,000 people
Area = 1,222,624 square kilometers
Width = Area / Length
We don't have the length, so we'll have to rearrange the formula to solve for it:
Width = Area / Length
Length = Area / Width
Length = 1,222,624 square kilometers / Width
We'll solve for width:
Width = 1,222,624 square kilometers / Length
Since we don't know the length, we cannot solve for width.
If the equation of a line-of-best fit is y = -3x +4, what must be true about the scatter plot?
3/5x - 1/3x = 42 find x
The value of x in the given equation, 3/5x - 1/3x = 42, is x = 157.5
Calculating the value of xFrom the question, we are to determine the value of x in the given equation.
The given equation is
3/5x - 1/3x = 42
To determine the value of x,
First, we will eliminate the denominators.
Multiply through by 15
15 × 3/5x - 15 × 1/3x = 15 × 42
3 × 3x - 5 × x = 630
9x - 5x = 630
4x = 630
Divide both sides by 4
4x/4 = 630/4
x = 157.5
Hence, the value of x is 157.5
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A community center offers yoga classes for $8 per month plus an additional $0. 25 per center floor mat used.
Write an equation to express this relationship, using m to represent the number of mats used per month and C to represent the total cost in dollars.
Enter the correct answer in the box
The required equation is C = 8 + 0.25m, where m represents the number of mats used per month and C represents the total cost in dollars.
Let's use "m" to represent the number of center floor mats used per month, and "C" to represent the total cost in dollars. The total cost can be expressed as the sum of a fixed monthly fee of $8 and an additional fee of $0.25 per center floor mat used:
C = 8 + 0.25m
This equation expresses the relationship between the number of center floor mats used (m) and the total cost (C) in dollars.
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. if y1(x) and y2(x) are solutions of y″ p(x)y′ q(x)y = r1(x) and y″ p(x)y′ q(x)y = r2(x), show that y(x) = y1(x) y2(x) is a solution of y″ p(x)y′ q(x)y = r1(x) r2(x)
We can prove this using the product rule. Let y(x) = y1(x) y2(x). Then:
y'(x) = y1'(x) y2(x) + y1(x) y2'(x)
y''(x) = y1''(x) y2(x) + 2y1'(x) y2'(x) + y1(x) y2''(x)
Substituting into the equation yields:
y'' p(x)y' q(x)y = [y1''(x) y2(x) + 2y1'(x) y2'(x) + y1(x) y2''(x)] p(x) [y1'(x) y2(x) + y1(x) y2'(x)] q(x) [y1(x) y2(x)]
= [y1''(x) p(x)y1'(x) + 2y1'(x) p(x)y2'(x) + y1(x) y2''(x) p(x)] q(x) [y1(x) y2(x)]
= [r1(x) + r2(x)] q(x) [y1(x) y2(x)]
= r1(x)r2(x) q(x) [y1(x) y2(x)]
Since this is equal to y″ p(x)y′ q(x)y, it follows that y(x) = y1(x) y2(x) is a solution of y″ p(x)y′ q(x)y = r1(x) r2(x). We can prove this using the product rule. Let y(x) = y1(x) y2(x). Then:
y'(x) = y1'(x) y2(x) + y1(x) y2'(x)
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Magnesium has an HCP crystal structure, a c/a ratio of 1. 624, and a density of 1. 74g/cm^3. Compute the atomic radius for Mg
The c/a ratio is divided by the density of the material and then multiplied by the square root of two thirds. This gives the atomic radius of the magnesium atom.
The atomic radius of an atom can be calculated by using the c/a ratio and the density of the material. The c/a ratio is the ratio between the lattice parameter c and lattice parameter a. The density is the amount of mass per unit volume of a substance. The formula for calculating the atomic radius of magnesium is
Atomic Radius= (c/a)√((2/3)*density)
Using the provided data for magnesium, the c/a ratio is 1.624 and the density is 1.74 g/cm^3. Plugging these values into the formula above gives an atomic radius of 1.6708 angstroms. To calculate the atomic radius, the c/a ratio of the crystal structure for magnesium is used, as well as the density of the material. The c/a ratio is divided by the density of the material and then multiplied by the square root of two thirds. This gives the atomic radius of the magnesium atom.
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If you can buy one can of pineapple chunks for $2 then how many can you buy with $10?
(round to the nearest whole number)
given f(x)=2*sqrt(9-x), what is the x coordinate of the point on the curve that is closest to the origin
As a result, the x-coordinate of the point on the curve closest to the origin is 2.
What is coordinate?Coordinates are a pair of integers that are used to locate a point or object in a two-dimensional plane. A point's location on a 2D plane is defined by two integers called the x-coordinate and the y-coordinate. The distance of a point from the y-axis scaled with the x-axis is known as its abscissa or x coordinate. The ordinate is the distance of a point from the x-axis scaled with the y-axis. Coordinates are the abscissa and ordinate combined. To find the coordinates of a point in a coordinate system, do the inverse. Start at the point and trace a vertical line up or down to the x-axis. There you have your x-coordinate.
Here,
The x-coordinate of the point on the curve that is closest to the origin can be found by minimizing the distance between the point on the curve and the origin. The distance between two points (x1, y1) and (x2, y2) is given by the Pythagorean theorem:
d = √((x2 - x1)^2 + (y2 - y1)^2)
For the origin and a point on the curve, we have x1 = y1 = 0, so the distance between the origin and a point (x, y) on the curve is:
d = √(x^2 + y^2)
Using the equation of the curve, we have y = 2 * √(9 - x), so the distance can be expressed as:
d = √(x^2 + (2 * √(9 - x))^2)
= √(x^2 + 4(9 - x))
= √(x^2 + 36 - 4x)
To find the x-coordinate of the point that minimizes d, we can use calculus. Setting the derivative of d with respect to x equal to zero and solving for x, we obtain:
d' / dx = 2x - 4 = 0
x = 2
So the x-coordinate of the point on the curve that is closest to the origin is 2.
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Vector A -2.00 +1.00 y and vector B -3.00 x + 4.00 V.What is vector =....?A) 1.00x+5.00yB) -100x+-3.00yC) 1.00x+3.00yD) -100x+3.00yE) -100x+-5.00y
The vector C is 1.00 x + 3.00 y
Therefore, the correct answer is C) 1.00 x + 3.00 y.
In mathematics and computer science, a vector is an ordered list of numbers that can be used to represent things like position, direction, and magnitude. Vectors can be added and subtracted, and they can be multiplied by scalars (numbers).
To subtract two vectors, we need to subtract the corresponding components. So, the x-component of vector C is
(-3.00 x) - (-2.00 x) = -3.00 + 2.00
= 1.00
and the y-component of vector C is
(4.00 y) - (1.00 y) = 4.00 - 1.00
= 3.00.
Therefore, vector C = 1.00 x + 3.00 y.
--The question is incomplete, answering to the question below--
"Vector A = -2.00x + 1.00y and vector B = -3.00x + 4.00y .What is vector C = B - A?
A) 1.00x+5.00y
B) -100x+-3.00y
C) 1.00x+3.00y
D) -100x+3.00y
E) -100x+-5.00y"
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a smaller star shape has a diameter of 3.6 and a length of x. the same shape but bigger has a diameter of 5.76 and a length of 8.32. find x
Therefore , the solution of the given problem of ratio comes out to be
x has length of 5.2 .
It establishes a ratio.The simple formula "a / b" can be used to create a pair of similar variables "a" and "b," where "b" may also be greater than zero. One ratio is created by combining two ratios. If there were only one man and three women, the ratio would be 1:1. There are 1/4 boys and 3/4 girls in the group. A separation between a or more objects, a numeral, or a piece of a component's volume are all examples of parts.
Here,
Given :
A figure of star shape
having diameter of 3.6 and length x
and other star having same shape but
having diameter 5.76 and length 8.32
Since , both the figures are same ,
Thus , there length ratio will also be same.
=> 8.32/5.76 = x / 3.6
=> 832/576 = 10x/36
=> 832/576 * 36 /10 = x
=> x = 1.44 * 3.6 =5.2
Therefore , the solution of the given problem of ratio comes out to be
x has length of 5.2 .
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A pyramid and a prism both have heights 8.2 cm and congruent hexagonal bases with area 22. 3 cm cube. What is the ratio of their volumes?
The ratio of their volumes is 3: 1
What is the volume ratio between them?If two solids are identical, their volume ratio is equal to the cube of their corresponding side ratio. (It should be noted that volume is a 3-D measurement, not a “length” measurement. When the base and height of a pyramid and a prism are the same, their volumes are always in the ratio of 1:3Volume of prism.
A triangular prism and a triangular pyramid with identical bases and heights with the volume of the prism being three times that of the pyramid. Students should use manipulatives such as water, rice, or beans to physically represent this connection.
The volume of a prism =Base Area× Height and Volume of Pyramid = 1/3 × base area × Height
Given:
Height of both pyramid and a prism is 8.2 cm.
Area of base is 22.3 cm cube.
Volume of Prism = 22.3 × 8.2
Volume of Pyramid = 1/3 × 22.3 × 8.2
Ratio of volume of prism and volume of pyramid = (22.3 × 8.2) : 1/3 × (22.3 × 8.2)
Ratio of volume of prism and volume of pyramid = 1: 1/3
Ratio of volume of prism and volume of pyramid = 3: 1
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In an arithmetic sequence, U1 3 1.3, U2 = 1.4 and Uk = 31.2 Consider the terms, Un; of this sequence such that n < k. (a) Find the value of k (6) Find the exact value of Sk'
The value of k given sequence is =300 and the value of the term Sk=4875,
In mathematics, we may come across different types of numbers, and patterns. One of the number patterns includes sequences. The sequence is a specified collection of objects in which repetitions are allowed and order matters. Formally, a sequence is a function from natural numbers to the elements at each position. Similar to a set, it contains members, and they are called elements or terms. The number of elements is called the length of the sequence. Unlike a set, the same elements can appear multiple times at different positions in a sequence, and the order does matter.
value of k
U1 =1.3
U2= 1.4
Uk = 31.2
a = 1.3
d = 1.4 - 1.3 = 0.1
Uk = 1.3 + (k - 1)(0.1)
=> 1.3 + (k - 1)(0.1) = 31.2
=> (k - 1)(0.1) = 29.9
=> k - 1 = 299
=> k = 300
Sk = (300/2)(1.3 + 31.2)
= 150 * (32.5)
= 4875
F is the sum of the terms for which the term is not a multiple of 3
3rd term = 1.5
6th term = 1.8
300th term = 31.2
Total terms = 100
Sum = (100/2)(1.5 + 31.2) = 1635
F = 4875 - 1635 = 3240
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Please put in correct order
Steps are:
Step: 1
Given,
AE ≅ EB
∠DAE ≅ ∠CBE
Step: 2
congruent angles added to congruent angles form congruent angles
∠DAB ≅ ∠CBA
Step: 3
corresponding parts of congruent Triangles are congruent
DA ≅ CB
Step 4:
Vertical angles are congruent
∠DEA ≅ ∠CEB
Step 5:
Reflexive property
AE ≅ EB
Step 6:
In a triangles, angles opposite of congruent sides are congruent
∠EAB ≅ ∠EBA
Step 7:
SAS property
ΔDAB ≅ ΔCBA
Step 8:
ASA property
ΔDEA ≅ ΔCEB
What is congruent angles?Angles which are equivalent with one another are referred to as congruent angles. As a result, these angles have the same measure. In general, not all congruent angles are supplementary angles. Angles must be additional in order to add up to 180°. Due to the fact that they have the same measure and add up to 180, only right angles and supplementary angles are congruent.
Correct order is as follows:
Step: 1
Given,
AE ≅ EB
∠DAE ≅ ∠CBE
Step: 2
congruent angles added to congruent angles form congruent angles
∠DAB ≅ ∠CBA
Step: 3
corresponding parts of congruent Triangles are congruent
DA ≅ CB
Step 4:
Vertical angles are congruent
∠DEA ≅ ∠CEB
Step 5:
Reflexive property
AE ≅ EB
Step 6:
In a triangles, angles opposite of congruent sides are congruent
∠EAB ≅ ∠EBA
Step 7:
SAS property
ΔDAB ≅ ΔCBA
Step 8:
ASA property
ΔDEA ≅ ΔCEB
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which of the following pairs of variables has an inverse relationship?
The pair of variables with an inverse relationship is y = 1/x. This relationship can be seen by graphing the two variables on a coordinate plane and observing the shape of the graph.
As x increases, y decreases and as x decreases, y increases. This is because the equation y = 1/x can be written as y = c/x, where c is a constant. Since c is a constant, as the value of x increases, the value of y decreases, and vice versa.
For example, if x = 4, then y = 1/4, or 0.25. If x increases to 8, then y decreases to 1/8, or 0.125. On the other hand, if x decreases to 2, then y increases to 1/2, or 0.5. As can be seen, as x increases, y decreases, and as x decreases, y increases, which shows the inverse relationship between the two variables.
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question content area top part 1 let a1 , a2 , and b . for what value(s) of h is b in the plane spanned by a1 and a2?
The value of h for which b in the plane spanned by a1 and a2 is 11.
A vector b is in the plane spanned by two vectors a1 and a2 if it can be written as a linear combination of a1 and a2. This means that there exist scalars x and y such that:
b = xa1 + ya2
[5, 4, h] = x[1, 4, -1] + y[-6, -20, 2]
Solving for x and y, we have:
5 = x - 6y
4 = 4x - 20y
h = -x + 2y
Using the first two equations, we can solve for x and y:
x = 5 + 6y
20y + 4 = 4x = 4(5 + 6y)
20y + 4 = 20 + 24y
4y = -16
y = -16/4 = -4
Substituting this value of y back into the first equation:
x = 5 + 6y
= 5 + 6 * -4
= 5 - 24
= -19
Finally, substituting x and y into the third equation:
h = -x + 2y
= -(-19) + 2 * (-4)
= 19 - 8
= 11
So for h = 11, the vector b is in the plane spanned by a1 and a2.
--The question is incomplete, answering to the question below--
"Let a1 = [1 4 -1], a2 = [-6 -20 2], and b = [5 4 h]. For what value(s) of h is b in the plane spanned by a1 and a2?"
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Judy uses 7.5 pints of white paint and blue paint to paint her bedroom walls.
3/4 of this amount is white paint, and the rest is blue paint. How many pints of blue paint did she use to paint her bedroom walls?
Step-by-step explanation:
3/4*7.5
5.625
7.5-5.625
1.875
of blue pints
let f(x) = x^2 4x for what value of x is f(f(x)) = f(x)
The value of the variable x for the function f(x) = x² + 4x for which
f(f(x) ) = f(x) is equal to x = -1 or x = -3.
The function f(x) = x² + 4x
Substitute the value in the required function we get,
Right hand side
= f ( f(x))
= f ( x² + 4x )
= ( x² + 4x )² + 4 ( x² + 4x )
= x⁴ + 8x³ + 16x² + 4x² + 16x
= x⁴ + 8x³ + 20x² + 16x
Left hand side
f(x)
= x² + 4x
Equate left hand side is equal to right hand side we get,
x⁴ + 8x³ + 20x² + 16x = x² + 4x
⇒x⁴ + 4x³ + 4x³ + 16x² + 4x² + 16x = x² + 4x
⇒x² ( x² +4x ) + 4x ( x² + 4x )+ 4 ( x² + 4x ) = x² + 4x
⇒( x² + 4x ) ( x² + 4x + 4 ) = x² + 4x
⇒ x² + 4x + 4 = 1
⇒ ( x + 2 )² - 1² =0
⇒ ( x + 2 -1 ) ( x+ 2 + 1) = 0
⇒ ( x+ 1 ) ( x+ 3 ) = 0
⇒ x = -1 or x = -3
Therefore, the value of x = -1 or x = -3 for the condition f(f(x)) = f(x).
The above question is incomplete , the complete question is:
Let function f(x) = x² + 4x for what value of x is f(f(x)) = f(x).
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