The radius of convergence, R, is 0. The interval of convergence, I, is (-R, R), which in this case is (-0, 0), or simply the single point {0}.
What is the radius of convergence, interval, I, of convergence of the series?To find the radius of convergence, we can use the ratio test. Given the series:
00 x + 4 Σ ✓n n = 2
Let's calculate the ratio of consecutive terms:
lim(n→∞) |√(n+1) / √n|
Using the limit test, we simplify the expression:
lim(n→∞) √(n+1) / √n
To evaluate this limit, rationalize the denominator by multiplying the expression by its conjugate:
lim(n→∞) (√(n+1) / √n) × (√(n+1) / √(n+1))
This simplifies to:
lim(n→∞) √(n+1) × √(n+1) / √n × √(n+1)
Simplifying further:
lim(n→∞) √((n+1)² / n × (n+1))
lim(n→∞) (n+1) / √n × √(n+1)
Disregard the constant term (n+1) since the focus is the behavior as n approaches infinity:
lim(n→∞) √(n+1) / √n
As n approaches infinity, the ratio simplifies to:
lim(n→∞) √(1 + 1/n)
Since the limit of this expression is 1, we have:
lim(n→∞) √(1 + 1/n) = 1
According to the ratio test, if the limit of the ratio is less than 1, the series converges absolutely. If the limit is greater than 1 or it diverges, the series diverges. If the limit is exactly 1, the ratio test is inconclusive.
In this case, the limit is 1, which means the ratio test is inconclusive. To determine the radius of convergence, consider the behavior at the endpoints of the interval.
At x = 0, the series becomes:
00 x + 4 Σ ✓n n = 2 = 0
So the series converges at x = 0.
Now let's consider the behavior as x approaches infinity:
lim(x→∞) 00 x + 4 Σ ✓n n = 2
Since the terms in the series involve √n, which increases without bound as n approaches infinity, the series diverges as x approaches infinity.
Therefore, the radius of convergence, R, is 0. The interval of convergence, I, is (-R, R), which in this case is (-0, 0), or simply the single point {0}.
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Let an = 5n/4n + 1 Determine whether {an) is convergent. convergent divergent
To determine whether the sequence {an} = 5n/4n + 1 is convergent or divergent, we can analyze its behavior as n approaches infinity.
First, let's rewrite the expression for the nth term of the sequence:
an = 5n / (4n + 1)
As n approaches infinity, the denominator 4n + 1 becomes dominant compared to the numerator 5n. Therefore, we can simplify the expression by neglecting the term 5n:
an ≈ n / (4n + 1)
Now, we can consider the limit of the sequence as n approaches infinity:
lim(n→∞) n / (4n + 1)
To evaluate this limit, we can divide both the numerator and denominator by n:
lim(n→∞) (1 / 4 + 1/n)
As n approaches infinity, the term 1/n approaches zero, leaving us with:
lim(n→∞) 1 / 4 = 1/4
Since the limit of the sequence is a finite value (1/4), we can conclude that the sequence {an} = 5n/4n + 1 is convergent.
In other words, as n gets larger and larger, the terms of the sequence {an} get closer and closer to the limit of 1/4. This indicates that the sequence approaches a fixed value and does not exhibit wild oscillations or diverge to infinity. Therefore, we can say that the sequence is convergent.
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Pedro found a treasure map that said to take 12 steps north, then 8 steps south. Where is Steve in relationship to where he started?
The Pythagoras is the sum of the square of two sides is equal to the square of the longest side. Steve is 4 steps in the north.
What is a right-angle triangle?It is a type of triangle in which one angle is 90 degrees and it follows the Pythagoras theorem and we can use the trigonometry function.
Pedro found a treasure map that said to take 12 steps north, then 8 steps south.
Steve in relationship to where he started will be
By Pythagoras theorem
\(\rm H^2 = P^2+B^2\\\\H^2 = (0.0)^2 + (12-8)^2\\\\H^2 = 4^2\\\\H \ = 4\)
Steve is in 4 steps in the north.
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help me solve please
Answer:
B
Step-by-step explanation:
The side you have drawn in is 4√3 (calculate via pythagoras as √(8²-4²) = √48 = √16·3 = √4²·3 = 4√3)
So the area of the small triangle is 4*2√3 and the area of the small rectangle is 2*4√3. Together makes 4*2√3 + 2*4√3 = 16√3
what is the probability that the risk level is 0 (0 for low risk, and 1 for high risk) irrespective of the applicant's marital status?
The probability that the risk level is 0 irrespective of the applicant's marital status is 0.6.
The given information states that 60% of loan applicants were classified as low risk (risk level 0), and 40% were classified as high risk (risk level 1). Therefore, the probability of an applicant being classified as low risk is 0.6, and the probability of being classified as high risk is 0.4.
The question asks for the probability that an applicant is classified as low risk regardless of their marital status. This means that the probability is not affected by whether the applicant is married or not.
Since we know that the probability of an applicant being classified as low risk is 0.6, and this probability is not affected by their marital status, the answer to the question is simply 0.6.
In other words, regardless of whether an applicant is married or not, there is a 60% chance that they will be classified as low risk.
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Complete question is:
In a study, 60% of loan applicants were classified as low risk (risk level 0), while 40% were classified as high risk (risk level 1). And 40%of loan applicants were classified as low risk and married and 30% of loan applicants were classified as high risk and married. What is the probability that an applicant is classified as low risk (risk level 0) regardless of their marital status?
Jordan is using a number line to model the division expression of -24÷12. What should be a step in his work
One step in Jordan's work would be marking the point at -12 on the number line after starting at -24 and moving 12 units to the right.One step in Jordan's work to model the division expression of -24 ÷ 12 on a number line could be to mark the starting point at -24 on the number line.
Since we are dividing by 12, Jordan can proceed by dividing the number line into equal intervals of length 12.Starting from -24, Jordan can move to the right by 12 units, marking a point at -12. This represents subtracting 12 from -24, which corresponds to one division step.
Jordan can continue this process by moving another 12 units to the right from -12, marking a point at 0. This represents subtracting another 12 from -12, resulting in 0.
At this point, Jordan has reached zero on the number line, which signifies the end of the division process. The position of zero indicates that -24 divided by 12 is equal to -2.
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Please help me I really need help can someone please help me please I really need help.
Answer:
b = 49h - 8Step-by-step explanation:
Loaves made each hour = 49Loaves picked for quality testing = 8 (a day)Number of working hours a day = hNumber of bagged loaves = bThe relationship between h and b:
b = 49h - 8A rectangle has a perimeter of 54 meters and a width of 9 meters.
What is the length of this rectangle?
The length of the rectangle is 18 meters.
The perimeter of a rectangle is given by the formula:
Perimeter = 2 * (Length + Width).
In this case, we are given that the perimeter is 54 meters and the width is 9 meters. We can substitute these values into the formula and solve for the length:
54 = 2 * (Length + 9).
Dividing both sides by 2:
27 = Length + 9.
Subtracting 9 from both sides:
Length = 27 - 9 = 18.
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what is the value of p
Answer:
p = 61 degrees
Step-by-step explanation:
The sum of all angles that make up a striaght line is 180 degrees. To find p you just subtract the other angles from 180: 180 - 87 - 32 = 61.
Please help me in this
Answer:
3
Step-by-step explanation:
as u add 2 + 1 from the 6 and 7 hours
Can someone help me in this question
Answer:
try
Simplify the expression.
15x-17 or 2x-6
Step-by-step explanation:
Step-by-step explanation:
85 is simplified 15x17 if that helps.
Which fraction is equivalent to 16.6%
Answer:
16.6%=83500 , this is roughly equal to 16
Abigail spent a total of $292.56 for a party. She spent $200.19 on food, plus an additional $30.79 for each hour of the party. Write and solve an equation to find out how long was the party?
These tables represent the relationships between x and y for two different sets of data.
Which statements correctly describe the relationships between x and y for each table?
A) Table A represents a multiplicative relationship because y is 2.5 times x, and Table B represents an additive relationship because y is 2 more than x.
B) Both tables represent additive relationships. In Table A, y is 1.5 more than x, and in Table B, y is 2 more than x.
C) Table A represents an additive relationship because y is 1.5 more than x, and Table B represents a multiplicative relationship because y is 3 times x.
Table A represents an additive relationship because , y, is 1.5 more than , x, , and Table B represents a multiplicative relationship because , y, is 3 times , x, .
D) Both data sets represent multiplicative relationships. In Table A, y is 2.5 times x, and in Table B, y is 3 times x.
So the solution of the given question is, the correct answer is D) Both data sets represent multiplicative relationships. from the given conditions.
What is Multiplicative relationships?In mathematics, a multiplicative relationship between two variables means that the ratio of their values remains constant as the values of the variables change. In other words, the product of the two variables is a constant. For example, if we have two variables x and y such that xy = k, where k is a constant, then x and y have a multiplicative relationship. If we increase the value of one variable, we must decrease the value of the other variable proportion in order to maintain the constant product. This type of relationship is often seen in situations involving rates, ratios, and proportions, such as in growth or decay processes, population dynamics, and financial calculations.
In Table A, y is 2.5 times x, and in Table B, y is 3 times x. In both tables, the relationship between x and y is a constant ratio, which is a characteristic of multiplicative relationships. In Table A, the ratio of y to x is always 2.5, meaning that y is always 2.5 times greater than x. In Table B, the ratio of y to x is always 3, meaning that y is always 3 times greater than x. Therefore, both tables represent multiplicative relationships between x and y.
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Element X is a radioactive isotope such that every 42 years, its mass decreases by
half. Given that the initial mass of a sample of Element X is 50 grams, how long
would it be until the mass of the sample reached 45 grams, to the nearest tenth of a
year?
Answer:
6.38548 years
Step-by-step explanation:
1 = 2 \(e^{42k}\)
1/2 = \(e^{42k}\)
ln(1/2) = 42k ln(e)
ln(1/2)/42 = k
k = -0.01650
~~~~~~~~~~~~~~
45 = 50 \(e^{-0.01650t}\)
45/50 = \(e^{-0.01650t}\)
ln(45/50) = -0.01650 t ln(e)
ln(45/50)/ -0.01650 = t
t = 6.38548 years
The number of years for the radioactive element to reach a mass of 45 grams is given by t = 6.384129 years
What is half-life of an element?The half-life of a radioactive isotope is the amount of time it takes for one-half of the radioactive isotope to decay. The half-life of a specific radioactive isotope is constant; it is unaffected by conditions and is independent of the initial amount of that isotope.
Half-life (symbol t½) is the time required for a quantity (of substance) to reduce to half of its initial value
The decay constant λ is = 0.693/t½
where t½ is the half-life of the element
Given data ,
Let the number of years be t
Let the initial mass of the element be a = 50 grams
The final mass of the element be ( a - x ) = 45 grams
Now , Element X is a radioactive isotope such that every 42 years, its mass decreases by half
And , half life t½ = 42 years
So , the decay constant k = 0.693/t½
k = 0.693 / ( 42 )
k = 0.0165
And , k= 2.303/t {log (a/a-x)}
So , t = 2.303 / ( 0.0165 ) log ( 50/45 )
On simplifying , we get
t = 6.384129 years
Hence , the number of years for the radioactive element to reach 45 grams is 6.384129 years
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"You are growing like a weed!” D’rek's grandmother said to him when she saw him for the
first time in a year. If D’rek grew 8 inches over the last year, and an average dandelion (a
common weed) grows 0.1 inches in one day, is D’rek growing like a weed? Justify your
answer.
growth rate:
\(=\frac{8}{365}\)Derek is not growing like a weed because the weed grows at 0.1 inch per day, while he grows at a rate of 0.022 inch per day.
The number of days in a year = 365
The question says that D'rek grew at the rate of 8 inches in the last year'
D'reks growth rate:
\(=\frac{8}{365}\)
= 0.022 inch per day
From the calculation above, Derek is growing at the rate of 0.022 inch per day. But the question says that the weed grows at the rate of 0.1 inch per day
In conclusion, Derek is not growing like a weed, his growth rate differs from that of the weed.
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Write an equation in two variables that shows the relationship between the time(t) and the distance(d) travelled.
Moves right 2 meters
every 3 hours
The distance equation is d=2/3*t.
Distance formula provides the distance (the length of the line segment). The length of the line segment that connects two places, for instance, is the distance between them.
We obtain the formula for the distance between two points in a two-dimensional plane using the Pythagoras theorem, which can also be used to estimate the distance between two points on a three-dimensional plane.
Let's assume,
Time in hours as 't'
Distance traveled as 'd' meters
Given that,
Moves - 2 meters every 3 hours
So, speed = 2/3
k = 2/3
We know that, distance=speed*time
Plugging in the values
d=k*t
d=2/3*t
Thus, the distance equation is d=2/3t
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which of the following is the most widely used method for rating attributes?
The most widely used method for rating attributes is the Likert scale.
The Likert scale is a popular method for measuring attitudes, opinions, and perceptions of individuals towards a particular attribute or construct.
It consists of a series of statements or items that respondents are asked to rate on a scale typically ranging from "Strongly Disagree" to "Strongly Agree" or from "Very Unsatisfied" to "Very Satisfied."
The scale can vary in the number of response options, but it usually has five or seven points.
The Likert scale provides a way to quantify subjective responses and allows researchers to gather data on people's preferences, opinions, and perceptions.
It is widely used in various fields such as psychology, social sciences, market research, and customer satisfaction surveys.
Therefore, the Likert scale is the most widely used method for rating attributes.
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Select the statement that describes this expression: 8 + fraction 1 over 2 x (6 − 2) − 1
Using division, we can find that the best statement that describes the given expression is:
Add 8 to half the difference of 6 and 2, then subtract 1.
Define division?One of the fundamental mathematical operations is division, which entails breaking a bigger number into smaller groups with the same number of components. How many groups will be created, for instance, if 30 pupils are required to be split into groups of five for a sporting event? The division operation can quickly and easily fix such issues. In this case, we must divide 30 by 5. 30 x 5 = 6 will be the outcome. There will be a total of 6 groups, each with 5 pupils. Use the beginning number, 30, which is obtained by multiplying 6 by 5, to check this response.
8 + fraction 1 over 2 x (6 − 2) − 1.
The above is expressed mathematically as:
8 + 1/2(6 - 2) - 1
Therefore, the statement that describes this expression from the options given correctly is :
Add 8 to half the difference of 6 and 2, then subtract 1.
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We can use division to determine that the following statement best captures the meaning of the given expression:
To make up the difference between 6 and 2, add 8 and then take away 1.
Define division?Division, which involves dividing a larger number into smaller groups with the same number of components, is one of the basic mathematical operations. For instance, if 30 students must be divided into groups of five for a sporting event, how many groups will be formed. Such problems can be rapidly and readily resolved by the division operation. In this instance, we need to multiply 30 by 5. The outcome is 30 x 5 = 6.
There will be 6 groups in total, each with 5 students. To verify this response, use the starting number, 30, which is produced by dividing
6 by 5.
1 x (6 x 2) + 8 plus fraction 1 over 2 = 8.
The following can be represented mathematically:
8 + 1/2(6 - 2) - 1
Therefore, from the available possibilities, the statement that accurately represents this expression is:
To make up the difference between 6 and 2, add 8 and then take away 1.
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3x/2+3=x HELP, I have a deadline in 5 minutes!
Nitrogen and oxygen are the most abundant gases in Earth’s atmosphere. A nitrogen molecule is 0.00000000003 meters larger than an oxygen molecule.
Which statements describe writing 0.00000000003 in scientific notation?
The exponent is negative , The exponent represents the number of places the decimal moves. , Option A and D is the correct answer.
The complete question is
Which statements describe writing 0.00000000003 in scientific notation? Check all that apply.
A.The exponent is negative.
B. The exponent is positive.
C.The coefficient is 0.3.
D.The exponent represents the number of places the decimal moves.
E.The decimal moves to the right.
What is meaning of Scientific Notation ?Scientific Notation means writing a decimal number in the form of 10ˣ .
It is given that
A nitrogen molecule is 0.00000000003 meters larger than an oxygen molecule.
= 3 × 10⁻¹¹
(scientific notation)
The exponent is negative , The exponent represents the number of places the decimal moves. , Option A and D is the correct answer.
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How many ways can five of the letters of the word ALGORITHM be selected and written
in a row if the first two letters must be TH?
There are 210 ways to write 5 of the letters of the word ALGORITHM in a row if the 2 two letters must be TH
Given data
the word ALGORITHM
the first two letters must be TH
How to find number of ways 5 letters of the word AGORITHM will be selected and written in a row if the first two letters must be THALGORITHM has 9 letters and order of writing the letters is important, so we use Permutation to solve this
The 2 letters TH are fixed and this reduces the number of letters in the word from 9 to 7. Also, the the first two being fixed reduces the letters arrangement to be 3.
This means that we have the arrangement as follows:
7P3
= 7! / ( 7 - 3 )!
= 7! / 4!
= 7 * 6 * 5 * 4! / 4!
= 7 * 6 * 5
= 210 ways
Hence there are 210 ways to write 5 of the letters of the word ALGORITHM in a row if the 2 two letters must be TH
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PLZZZ ANSWERRR FASTT
Answer:
>
Step-by-step explanation:
33/8=4.125
8>4.125
The graph of the function C(x) = −0.74x2 + 22x + 75 is shown. The function models the production cost, C, in thousands of dollars for a tech company to manufacture a calculator, where x is the number of calculators produced, in thousands:
graph of a parabola opening down passing through points negative 4 and 57 hundredths comma zero, zero comma 62, 1 and 12 hundredths comma 75, 17 and 65 hundredths comma 167 and 55 hundredths, 34 and 18 hundredths comma 75, and 39 and 87 hundredths comma zero
If the company wants to keep its production costs under $175,000, then which constraint is reasonable for the model?
If the company wants to keep its production costs under $175,000, then 5.6 ≤ x ≤ 24.13 constraint is reasonable for the model given that the function C(x) = −0.74x² + 22x + 75 ,the production cost C, in thousands of dollars for a tech company to manufacture a calculator, where x is the number of calculators produced, in thousands. This can be obtained by using the given graph of the function.
Which constraint is reasonable for the model:A constraint is a condition of an optimization problem that should be satisfied the condition.
From the we have the function,
⇒ C(x) = −0.74x² + 22x + 75
the production cost C, in thousands of dollars for a tech company to manufacture a calculator, x is the number of calculators produced, in thousands.
In the graph the dotted line is the line where C(x) is $175,000. Above this line every the value is greater than $175,000.
The points where this line, that is C(x) = y = 175, intersect the graph of the given function C(x) = −0.74x² + 22x + 75 is (5.6, 175) and (24.13, 175).
This means that above the point (5.6, 175) the graph has the value greater than 175000 and below the point the graph has the value below 175000.Similarly, below the point (24.13, 175) the graph has the value greater than $175,000 and above the point the graph has the value below $175,000.Therefore, x ≥ 5.6 and x ≤ 24.13
⇒ 5.6 ≤ x ≤ 24.13
Hence if the company wants to keep its production costs under $175,000, then 5.6 ≤ x ≤ 24.13 constraint is reasonable for the model given that the function C(x) = −0.74x² + 22x + 75 ,the production cost C, in thousands of dollars for a tech company to manufacture a calculator, where x is the number of calculators produced, in thousands.
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Answer:
0 ≤ x < 5.6 and 24.13 < x ≤ 32.82
Step-by-step explanation:
If the measure of arc CE is 9x+5 degrees the measure of arc ED is 4x+1 degrees and the measure of arc CD is 101 degrees what is the value of x? Round your answer to the nearest hundredth. Pls answer
Answer: 2.436. 2.44.
Step-by-step explanation:X is an algebraic variable which has no defined value. X is kind of universe variable taken in most of the equations. If X is any question or an equation then we may solve the equation and get the desired value that would satisfy the given equation.
What variables could be of interest to generate environmental data? Note: think of the variable, the sensors, and the data each Pollution levels Air quality Ozone concentration Storm intensity Vegetation density Earthquake intensity Wild life diversity You have used 1 of 4 attempts Save
The following are the variables that could be of interest to generate environmental data: Pollution levels: Pollution levels are a measure of the degree to which the air is contaminated.
Contaminants in the air, such as particulate matter and toxic gases, can be hazardous to human health and the environment, and monitoring them can provide valuable data on air quality.Air quality: Air quality refers to the level of pollution in the air. This could include measurements of various pollutants, such as nitrogen dioxide, sulfur dioxide, and particulate matter. This data can be gathered by a variety of sensors, including gas analyzers, particle counters, and spectrometers.Ozone concentration: Ozone concentration refers to the amount of ozone in the air. Ozone is a powerful oxidant that can have both beneficial and harmful effects on human health and the environment. Storm intensity: Storm intensity refers to the severity of a storm.
This could include measurements of wind speed, rainfall, and lightning activity. Data on storm intensity can be gathered using weather stations, Doppler radar, and lightning detection systems.Vegetation density: Vegetation density is a measure of how much plant life is present in a given area. This data can be used to monitor changes in ecosystems over time and to assess the impact of human activities on the environment. Vegetation density can be measured using satellite imagery, ground-based surveys, and remote sensing technologies.Earthquake intensity: Earthquake intensity refers to the strength of an earthquake. This could include measurements of ground motion, ground acceleration, and ground displacement. Data on earthquake intensity can be gathered using seismometers and other ground-based sensors. Wildlife diversity can be measured using a variety of techniques, including surveys, camera traps, and acoustic monitoring.
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Will give brainliest.
Answer:
y = -2/3x +3
Step-by-step explanation:
Classify the quadric surface. 4x2 - y2 - z2 = 1 a. hyperbolic paraboloid b. elliptic cone c. Hyperboloid of two sheets d. hyperboloid of one sheet e. ellipsoid
The given equation (4x² - y² - z² = 1) is classified under Hyperboloid of two sheets.
What is Hyperboloid equation?
When a hyperbola is rotated around one of its axes, an open surface is created that is known as a hyperboloid. The surface's general equation is written as (x²/ a²) + (y² / b²) - (z² / c²) = 1
if the surface's transverse axis is along the x axis, its centre is at the origin, and a, b, and c are its primary semi-axes.
As per question given that,
here is the equation of the quadratic surface is,
4x² - y² - z² = 1
Thus surface is a hyperboloid of two sheets.
The sketch of this quadratic surface is the sketch in the 2nd option which is shown below.
i.e. in the upper right corner.
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what constant $c$ makes the expression a perfect square? \[49x^2-42x c\]
Answer:
Step-by-step explanation:
\(49x^2-42x+(\frac{42}{2})^2=49x^2-42x+(\frac{42}{2} )^2\) (completing the square)
\(49x^2-42x+441=49x^2-42x+21^2\)
\(=(7x-21)^2\)
So \(49x^2-42x+441=(7x-21)^2\)
Solution: The required constant is 441.
Remember: Completing the square IN \(ax^2+bx+c\) involves adding \((\frac{b}{2} )^2\) to both sides of the equation. THIS KEEPS IT BALANCED AND ALLOWS US TO MAKE A PERFECT SQUARE.
Lucy has $7 less than Kristine and $5 more than Nina together,the three have $35 how much does Lucy have?
Lucy has $7 less than Kristine and $5 more than Nina together, the three have $35. Lucy has $11.
Let's denote the amount of money that Kristine has as K, the amount of money that Lucy has as L, and the amount of money that Nina has as N.
According to the given information, we can form two equations:
Lucy has $7 less than Kristine: L = K - 7
Lucy has $5 more than Nina: L = N + 5
We also know that the three of them have a total of $35: K + L + N = 35
We can solve this system of equations to find the values of K, L, and N.
Substituting equation 1 into equation 3, we get:
K + (K - 7) + N = 35
2K - 7 + N = 35
Substituting equation 2 into the above equation, we get:
2K - 7 + (L - 5) = 35
2K + L - 12 = 35
Since Lucy has $7 less than Kristine (equation 1), we can substitute K - 7 for L in the above equation:
2K + (K - 7) - 12 = 35
3K - 19 = 35
Adding 19 to both sides:
3K = 54
Dividing both sides by 3:
K = 18
Now we can substitute the value of K into equation 1 to find L:
L = K - 7
L = 18 - 7
L = 11
Finally, we can find the value of N by substituting the values of K and L into equation 3:
K + L + N = 35
18 + 11 + N = 35
N = 35 - 18 - 11
N = 6
Therefore, Lucy has $11.
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graph and solve 10c+5≤45
Answer: c ≤ 4, graph is attached.
Step-by-step explanation:
To solve, we will isolate the variable.
Given:
10c + 5 ≤ 45
Subtract 5 from both sides of the equation:
10c ≤ 40
Divide both sides of the equation by 10:
c ≤ 4
Next, since the symbol is less than or equal to, we will have a closed circle. Next, it's less than, so our graph will represent all numbers less than 4.