Answers
Answer:
The multiplicative rate of change is 3/4
Step-by-step explanation:
Here, we want to get the multiplicative rate of change
In this case, by dividing the succeeding term by the preceding term, we will get the multiplicative rate of change
mathematically, we have this as;
81/128 divided 27/32
= 81/128 * 32/27
= 3/4
Related Questions
The length of a 1-inch paperclip is about 1.6 x 10−5 miles. It takes about 1.5 x 1010 paperclips linked together to reach the moon. What is the approximate distance to the moon?
Answers
Answer:
Distance from the moon is 2.4 × 10⁵ miles
Step-by-step explanation:
Length of 1-inch paperclip = [tex]1.6\times 10^{-5}[/tex] miles
Number of paperclips used to reach the moon = 1.5 × 10¹⁰
Total distance from the moon = Number of paper clips used × Length of one clip
= (1.5 × 10¹⁰) × (1.6 × 10⁻5)
= (1.5 × 1.6) (10¹⁰× 10⁻⁵)
= 2.4 × 10⁽¹⁰⁻⁵⁾ miles
= 2.4 × 10⁵ miles
Distance from the moon is 2.4 × 10⁵ miles.
what is the fraction for 0.875?
Answers
Answer:
7/8
Step-by-step explanation:
Answer:
7/8
Step-by-step explanation:
simplify 875/1000
the object was turned 45 degrees around a fixed point that's called?
Answers
Answer:
A transformation that turns a figure around a fixed point, called the center of rotation. hope this helps
Step-by-step explanation:
Let A = [(4,1,0):(1,0.-2); (0,1.-5)). Then A is a basis for
A. R4
the above vector space
B. R2
the above vector space
C. R3
the above vector space
D. None of the mentioned
Answers
A form a basis for R3.
To show that the columns of A form a basis for R3 , we need to show that they are linearly independent and span R3.
To show linear independence, we need to find constants c1 , c2 and c3 , not all zero , such that c1(4,1,0) + c2 (1,0,-2) + c3(0,1,-5) = (0,0,0).
This gives us a system of linear equations , which we can write in augumented matrix form as :
[4 1 0 | 0]
[1 0 1 | 0]
[0 -2 -5 | 0]
we can use row operations to reduce this matrix to row echelon form:
[4 1 0 | 0]
[0 -2 -5 | 0]
[0 0 1 | 0]
From this we can see that the only solution is c1 = c2 = c3 = 0, which means that columns of A are linearly independent.
To show that the columns of A span R3 , we can take any vector
(x, y, z) in R3 and write it as a linear combination of the columns of A :
(x, y, z) = a(4,1,0) + b(1,0,-2) + c(0,1,-5)
Solving for a , b and c, we get
a = (4x - y)/ 14
b = (2y + 5z - 2x)/ 14
c = -z/ 14
Since we can express any vector in R3 as a linear combination of the columns of A, they span R3 .
Therefore , the columns of A form a basis for R3.
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QUESTION 6 What is the main lesson that is demonstrated by the Saint Petersburg Paradox? Choose one 1 point
a. Low-probability outcomes are negligible to understanding expected value.
b. People find it easy to discount low-probability occurrences that have a huge expected value.
c. Expected value works as a way of determining how people value uncertain outcomes.
d. People overestimate easy to remember situations.
Answers
According to the question the correct option is c. Expected value works as a way of determining how people value uncertain outcomes.
The main lesson demonstrated by the Saint Petersburg Paradox is that expected value can be used as a tool to determine how people value uncertain outcomes. The paradox highlights the discrepancy between the expected value of an event (in this case, a game) and people's subjective valuation of that event.
Despite the game having an infinite expected value, many individuals would not be willing to pay a large amount to play the game due to their personal risk preferences and diminishing marginal utility.
The paradox challenges the notion that expected value is the sole determinant of decision-making and emphasizes the role of subjective factors in valuing uncertain outcomes.
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Billy made 2 gallons of juice for a picnic. He said that he made
2
4
quarts of juice.
Answers
Evaluate x^4.x^2 when x=5
Answers
Answer:
i got u fam!!!!!!!!!!!!!!!
its 15625
Step-by-step explanation:
In 2020 Phoenix, AZ was the fastest growing cities in the United States. In 2020 the population was approximately 1,730,000. The city population grew by 25,000 people that year. Write a model for the population of Phoenix x years after 2020 assuming it continues to grow by 25,000 people per year.
Answers
Answer : P(x) = 25,000x + 1,730,000P(x) represents the population of Phoenix after x years since 2020.
Explanation:
Given information: The population of Phoenix in 2020 was approximately 1,730,000 and the city's population grew by 25,000 people in 2020.
Model for the population of Phoenix x years after 2020 if it continues to grow by 25,000 people per year:
To find the population of Phoenix after x years since 2020, we need to add the number of people that moved into Phoenix since 2020, i.e., 25,000 people per year.
If x represents the number of years since 2020, then the model is given as follows:
P(x) = 25,000x + 1,730,000P(x) represents the population of Phoenix after x years since 2020.
We need to add 1,730,000 to 25,000x because 1,730,000 is the initial population in 2020.
Therefore the required model P(x) = 25,000x + 1,730,000P(x) represents the population of Phoenix after x years since 2020.
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The Lewis family and the Pham family each used their sprinklers last summer. The water output rate for the Lewis family's sprinkler was 30 L per hour. The water output rate for the Pham family's sprinkler was 25 L per hour. The families used their sprinklers for a combined total of 55 hours, resulting in a total water output of 1475 L. How long was each sprinkler used?
Answers
The Lewis family used their sprinkler for 30 hours, while the Pham family used theirs for 25 hours.
Let's assume x represents the number of hours the Lewis family used their sprinkler, and y represents the number of hours the Pham family used their sprinkler. We can set up a system of equations based on the given information.
Equation 1: x + y = 55 (The combined total of hours)
Equation 2: 30x + 25y = 1475 (The total water output in liters)
To solve this system of equations, we can use substitution or elimination methods. By solving Equation 1 for x and substituting it into Equation 2, we get:
30(55 - y) + 25y = 1475
1650 - 30y + 25y = 1475
-5y = -175
y = 35
Substituting the value of y into Equation 1, we find:
x + 35 = 55
x = 20
Therefore, the Lewis family used their sprinkler for 20 hours, while the Pham family used theirs for 35 hours.
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Question 9 Which of the following statements is correct about the simple shortest path problem? (Assume, for simplicity, that the graph is connected). O The problem is NP-hard if the graph contains a negative-length cycle. O The problem is ill-posed if the graph contains a negative-length cycle. O The problem is NP-hard if the graph contains arcs of negative length.
Answers
The statement that is correct about the simple shortest path problem is: The problem is ill-posed if the graph contains a negative-length cycle.
If the graph has a negative-length cycle, the shortest path will loop around that cycle an infinite number of times and, as a result, it is difficult to find the shortest path.
The Simple Shortest Path problem is a popular algorithmic issue in computer science. It is well-known that this issue may be solved in O(m log n) time using a variety of algorithms.
Dijkstra’s algorithm is a simple algorithm that is usually used to solve this issue. This algorithm works by maintaining a set of vertices that have already been visited while also maintaining a heap with all of the vertices that have yet to be explored.
The algorithm then picks the vertex with the lowest cost from the heap and processes all of its neighbours.
The cost of each neighbour is calculated by adding the weight of the edge connecting the current vertex to the neighbour vertex to the cost of the current vertex.
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The line graph shows the balance for a business on each day. How much more of a loss occurred on Friday than on Thursday?
A. $0
B. $2.50
C. $5
D. $10
Answers
Answer: this link will help you out
Step-by-step explanation: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/constructing-linear-models-real-world/v/word-problem-solving-4
A bank charges a fee of 0.5% per month for having a checking account. Stephani’s account has $325 in it. Which function models the balance of Stephani’s account, B(t), in dollars, as a function of time, t, in months?
a: B(t) = 325(0.0995)t
b: B(t) = 325(0.005)t
c: B(t) = 0.05(325)t
d: B(t) = 325 + 12(0.005)t
Answers
The required, function that models the balance of Stephani's account is
[tex]B(t) = 325(0.005)^t[/tex]. Option B is correct.
The function that models the balance of Stephani's account, B(t), in dollars, as a function of time, t, in months, can be determined using the given information.
Given:
Bank charges a fee of 0.5% per month for having a checking account.
Stephani's account has $325 in it.
The function that models the balance of Stephani's account, B(t), in dollars, as a function of time, t, in months, is:
b: [tex]B(t) = 325(0.005)^t[/tex]
In this function, the initial balance is $325, and the bank charges a fee of 0.5% per month, which is equivalent to 0.005 as a decimal. The exponent "t" represents the number of months, and with each passing month, the balance is reduced by 0.5%.
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A student saves $15 per week toward the purchase of a guitar. Her grandmother gives her $50 to help her reach her goal. Which function can be used to find the amount in dollars the student has saved after x weeks?
Answers
y=15x+50 it should look something like that
Kiara made a square baby blanket she decided to add one foot of material to one side then cut 4 inches of material off from the bed to sit outside of area of the rest salting blankets in 960 square inches find the area of the original blanket
Answers
Answer:
Step-by-step explanation:
960 which is the area u divide by the one foot which is 144 square units to get your answer,6.66666666667
Mean Median Minimum Maximum 75th percentile 25th percentile Interquartile Range Variance Standard Deviation 1 Convert the data into an Excel Table. 2 3 Create the same analysis completed in A3 to post the 4 summary statistics above each table column. But reference 5 6 the table columns with structured references (use the "Black Downward Arrow"pointing to the column header to reference the data table column) rather than highlighting the range of 3 8 cells within the table. 9 LO 11 SALE TYPE HOME TYPE ADDRESS 12 MLS Listing 13 MLS Listing 4 MLS Listing 5 MLS Listing 6 MLS Listing 17 MLS Listing 18 MLS Listing 19 MLS Listing 20 MLS Listing Mobile/Manufactured Home Single Family Residential Single Family Residential Single Family Residential Single Family Residential Single Family Residential Single Family Residential Single Family Residential Mobile/Manufactured Home 300 NW MAIN St 111 SE RONALD St 824 NW ORCHARD Dr 651 NE CHRISTIAN St 1787 UPPER CAMAS Rd 12661 LOOKINGGLASS Rd 100 KENYA Ct 1 MLS Listing 22 MLS Listing 23 MLS Listing 24 MLS Listing 25 MLS Listing 26 MLS Listing Single Family Residential Single Family Residential Mobile/Manufactured Home Mobile/Manufactured Home Mobile/Manufactured Home Mobile/Manufactured Home Single Family Residential 7 MLS Listing 1160 BROCKWAY Rd 401 SE GREGORY Dr 1068 RICE CREEK Rd 4546 MELODY Ln 2205 SE BOOTH Ave 4690 COOS BAY WAGON Rd 119 RUBY MAY Way 282 RIVER PLACE Dr Unit SP 62 1178 SE MYRTLE VIEW Dr 524 NE BROADWAY St 1740 RIVERSIDE Dr 170 SE WOODY Ct 330 NE BROADWAY St 867 NE HOLLY St 417 NE BROADWAY St 152 NE DEBBIE Way 600 NW T St 28 MLS Listing Single Family Residential 29 MLS Listing 30 MLS Listing 31 MLS Listing 12 MLS Listing 13 MLS Listing 4 MLS Listing Single Family Residential Single Family Residential Mobile/Manufactured Home Single Family Residential Single Family Residential Single Family Residential Single Family Residential Single Family Residential Multi-Family (2-4 Unit) Single Family Residential 5 MLS Listing 16 MLS Listing 17 MLS Listing 18 MLS Listing 237 HARMONY Dr 228 NW CIVIL BEND Ave 135 NE PLUM RIDGE Ct CITY Winston Winston Myrtle Creek Myrtle Creek Camas Valley Roseburg Winston Winston Winston Winston Roseburg Roseburg Roseburg Roseburg Roseburg Myrtle Creek Myrtle Creek Myrtle Creek Myrtle Creek Myrtle Creek Myrtle Creek Myrtle Creek Myrtle Creek Winston Roseburg Winston Winston i 1 Myrtle Creek 1.5 Camas Valley 3 1 Roseburg 5 3
Answers
By using structured references, the formulas will automatically refer to the data within the column of the Excel Table, even if the table expands or shrinks when you add or remove data.
To convert the data into an Excel Table and perform the analysis using structured references, you can follow these steps:
Select the entire data range, including the headers and the values.
In the Excel menu, go to the "Insert" tab and click on "Table." Choose a table style that you prefer.
Excel will automatically detect the range of your data. Make sure to check the box that says "My table has headers" if your data has headers.
Click "OK" to create the Excel Table.
Once you have created the Excel Table, you can perform the analysis and display the summary statistics using structured references. Here's how you can do it:
To calculate the Mean, use the formula =AVERAGE(Table1[LO]) and place it above the "LO" column header.
To calculate the Median, use the formula =MEDIAN(Table1[LO]) and place it above the "LO" column header.
To calculate the Minimum, use the formula =MIN(Table1[LO]) and place it above the "LO" column header.
To calculate the Maximum, use the formula =MAX(Table1[LO]) and place it above the "LO" column header.
To calculate the 75th percentile, use the formula =PERCENTILE.INC(Table1[LO],0.75) and place it above the "LO" column header.
To calculate the 25th percentile, use the formula =PERCENTILE.INC(Table1[LO],0.25) and place it above the "LO" column header.
To calculate the Interquartile Range, use the formula =QUARTILE.INC(Table1[LO],0.75) - QUARTILE.INC(Table1[LO],0.25) and place it above the "LO" column header.
To calculate the Variance, use the formula =VAR(Table1[LO]) and place it above the "LO" column header.
To calculate the Standard Deviation, use the formula =STDEV(Table1[LO]) and place it above the "LO" column header.
Make sure to adjust the table name (Table1) and column reference (LO) in the formulas based on your actual table and column names.
By using structured references, the formulas will automatically refer to the data within the column of the Excel Table, even if the table expands or shrinks when you add or remove data.
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PLZZZ HELP!
In 2002 Johan bought a collector car as an investment when its value was
$180,000. He sold the car in 2014. Over the time he owned it, its value
grew an average of 2.44% each year.
How much profit did Johan earn on
his investment?
Answers
bought for $180000 in 2002
sold it in 2014
180000*2.44\100
An investor has decided to commit no more than $80,000 to the purchase of the common stocks of the companies, Company A and Company & He has also estimated that there is a chance of at most a 1% capital loss on his investment in Company A and a chance of at most a 4% loss on his investment in Company, and he has decided that these losses should not exceed $2000. On the other hand, he expects to make a() 12 profit from his investment in company and a(n) profit from his investment in Company B. Determine how much he should invest in the stock of each company (x dollars in Company A and y dollars in Company in order to maximize his investment returns (XY) = What is the optimal profit? Need Help? Soundex produces X Model A radios and y Model B radios, Model A requires 15 min of work on Assembly Line I and 10 min of work on Assembly Line II. Model B requires 10 min of work on Assembly Line 1 and 12 min of work on Assembly Line II. At most 25 labor-hours of assembly time on Line 1 and 22 labor-hours of assembly time on Line IT are available each day. It is anticipated that Soundex will realize a profit of $10 on model A and $8 on model B. How many clock radios of each model should be produced each day in order to maximize Soundex's profit? (x, y) - What is the optimal profit?
Answers
The investor should invest $40,000 in Company A and $40,000 in Company B to maximize their investment returns.
How should the investor allocate their investment between Company A and Company B to optimize their returns?To determine the optimal investment strategy, let's denote the amount invested in Company A as x dollars and the amount invested in Company B as y dollars. The investor has set a maximum capital loss of $2,000 for each company. Since the investor expects a 1% maximum loss on Company A and a 4% maximum loss on Company B, we can set up the following inequalities: 0.01x ≤ $2,000 and 0.04y ≤ $2,000. Additionally, the investor anticipates a 12% profit from Company A and an unknown profit from Company B. Let's denote the profit from Company B as p. Therefore, the objective is to maximize the investment returns, which can be expressed as Z = 0.12x + p. The total investment constraint is x + y = $80,000. By solving this linear programming problem, it can be determined that the optimal solution is x = $40,000 (invested in Company A) and y = $40,000 (invested in Company B). Consequently, the optimal profit will be 0.12($40,000) + p.
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An article in the ASCE Journal of Energy Engineering (1999, Vol. 125, pp. 59–75) describes a study of the thermal inertia properties of autoclaved aerated concrete used as a building material. Five samples of the material were tested in a structure, and the average interior temperatures (°C) reported were as follows: 23.01, 22.22, 22.04, 22.62, and 22.59.
(a) Test the hypotheses H0: u= 22.5 versus H1: u does not = 22.5, using alpha= 0.05. Find the P-value.
(b) Check the assumption that interior temperature is normally distributed.
Answers
(a) To test the hypotheses H0: μ = 22.5 versus H1: μ ≠ 22.5, a t-test can be used with a significance level of α = 0.05. The sample mean of the interior temperatures is calculated as 22.496, and the sample standard deviation is computed as 0.402.
Using these values, we can calculate the t-statistic, which is given by (sample mean - hypothesized mean) / (sample standard deviation / sqrt(sample size)). Plugging in the values, we have (22.496 - 22.5) / (0.402 / sqrt(5)), resulting in a t-statistic of -0.020.
Next, we determine the degrees of freedom, which is the sample size minus 1, giving us 4.
Using the t-distribution table or a t-distribution calculator, we find the critical t-value for a two-tailed test with α = 0.05 and 4 degrees of freedom to be approximately ±2.776.
Since the absolute value of the calculated t-statistic (0.020) is less than the critical t-value (2.776), we fail to reject the null hypothesis.
(b) To check the assumption of normal distribution for the interior temperatures, a graphical method such as a histogram or a Q-Q plot can be used. Additionally, statistical tests such as the Shapiro-Wilk test can be employed to formally assess normality.
Know more about (a) To test the hypotheses H0: μ = 22.5 versus H1: μ ≠ 22.5, a t-test can be used with a significance level of α = 0.05. The sample mean of the interior temperatures is calculated as 22.496, and the sample standard deviation is computed as 0.402.
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47 students have a dog 76 students have a cat a) Represent this data in a Venn diagram in the box provided (3) b) How many students have both a dog and a cat?
Answers
Answer:
89 people
Step-by-step explanation:
Please help thanks!!!
For question 3, you don’t need to calculate it. Please explain the steps of how you would work it out.
Answers
Answer:
30 or 780 is your answer for the first one. i dont know how to work out the answer for the 2 one im sorry :(
Step-by-step explanation:
13+12+5 = 30
13 x 12 x 5 = 780
I would go for 780
it seems more like to be the answer
Which scenarios below show ways governments or organizations work to solve large problems?
Answers
Red Cross volunteers travel to Haiti to help earthquake victims.
The United Nations passes a treaty to limit pollution into the Pacific Ocean.
A charity group from the United States travels to Africa to help victims of a virus.
Two ethnic groups begin fighting instead of negotiating.
A military dictator gives a threatening speech to other leaders.
A large company leaks pollutants into the Mississippi River
Answers
Find the area of a circle with a radius of 3.
Answers
Answer:
A =28.26
Step-by-step explanation:
Using the area formula
A = pi r^2
We use pi = 3.14 and the radius is 3
A = 3.14 * (3)^2
A = 3.14 *9
A =28.26
Can someone help me with this. Will Mark brainliest.
Answers
Answer:
(-6, -7)
Step-by-step explanation:
For the x coordinates:
-1 - 4 = -5
-1 + -5 = -6
For the y coordinates:
-5 + -3 = -2
-5 + -2 = -7
I don't know how to explain it well sorry
In a certain game of chance, a wheel consists of 40 slots numbered 00, 0, 1, 2,..., 38. To play the game, a metal ball is spun around the wheel and is allowed to fall into one of the numbered slots. Complete parts (a) through (c) below. OU. ne sample space is 00, 0, 1, 2,..., 38). (b) Determine the probability that the metal ball falls into the slot marked 4. Interpret this probability, The probability that the metal ball falls into the slot marked 4 is 0.025 (Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and fill in the answer box within your choice. (Type a whole number.) O A. If the wheel is spun 1000 times, it is expected that about of those times result in the ball landing in slot 4. O B. If the wheel is spun 1000 times, it is expected that exactly of those times result in the ball not landing in slot 4, (c) Determine the probability that the metal ball lands in an odd slot. Interpret this probability The probability that the metal ball lands in an odd slot is (Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and fill in the answer box within (Type a whole number.) your choice O A. If the wheel is spun 100 times, it is expected that exactly of those times result in the ball not landing on an odd number, B. If the wheel is spun 100 times, it is expected that about of those times result in the ball landing on an odd number
Answers
(a) The sample space for this game is the set of numbers on the wheel are 00, 0, 1, 2, ..., 38.
For this game of chance with a wheel consisting of 40 slots, the sample space is defined as the set of all possible numbers that the metal ball can fall into. The numbers range from 00 to 38, including both the double zero and single-digit numbers.
(b) The probability of the ball landing in the slot marked 4 is 1/40, which is equivalent to 0.025 when rounded to four decimal places.
To determine the probability that the metal ball falls into the slot marked 4, we need to calculate the ratio of the favorable outcomes (the ball landing in slot 4) to the total number of possible outcomes.
There is only one slot marked 4, so the number of favorable outcomes is 1. The total number of possible outcomes is 40 since there are 40 slots on the wheel.
This means that if the game is played many times, we can expect the ball to land in slot 4 approximately 0.025 (or 2.5%) of the time.
(c) The probability that the metal ball lands in an odd slot is 0.5.
To determine the probability that the metal ball lands in an odd slot, we count the number of odd slots on the wheel. Odd numbers occur every other slot starting from 1, so there are a total of 20 odd slots on the wheel.
The probability of the ball landing in an odd slot is given by the ratio of the number of odd slots to the total number of possible outcomes. Therefore, the probability is 20/40, which simplifies to 1/2 or 0.5 when rounded to four decimal places.
This means that if the game is played many times, we can expect the ball to land in an odd slot approximately 0.5 (or 50%) of the time.
The correct choices are:
(b) If the wheel is spun 1000 times, it is expected that about 25 of those times result in the ball landing in slot 4.
(c) If the wheel is spun 100 times, it is expected that exactly 50 of those times result in the ball landing on an odd number.
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Why do banks offer higher interest on savings accounts than on checking accounts?
Answers
The benefit: Savings accounts typically have higher interest rates than checking, making it easy for you to grow your money faster. ... Going over that limit can result in a fee or, if you do it multiple times, your bank might convert the account to checking.
consider the partially completed anova table shown. supposing all groups are of the same size, how many values are in each group of the data set this is based on?
Answers
The number of values in each group of the data set would be equal to the degrees of freedom for each group plus one.
In order to determine the number of values in each group of the data set based on the partially completed ANOVA table, we need to consider the total number of observations and the number of groups.
The ANOVA table consists of three main components: "Source of Variation," "Sum of Squares (SS)," and "Degrees of Freedom (df)." The "Source of Variation" represents the different factors or groups in the data set, while the "Sum of Squares" measures the variability within each group. The "Degrees of Freedom" represents the number of independent pieces of information available for estimating the population parameters.
In this case, since all groups are of the same size, we can determine the number of values in each group by examining the "Degrees of Freedom" column. The degrees of freedom for each group is the group size minus one (df = group size - 1). By adding one to the degrees of freedom for each group, we obtain the number of values in each group.
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COMPUTER FONT
1. What is the difference between sequence and series? 2. How do you solve series and sequence questions? 3. What is counting and probability in math? 4. What are the 3 principles of counting?
Answers
1. The difference between a sequence and a series is that a sequence is an ordered list of numbers, while a series is the sum of the terms in a sequence.
2. To solve series and sequence questions, various techniques can be used, such as finding patterns, using formulas, or applying mathematical operations like addition, subtraction, multiplication, or exponentiation.
3. Counting and probability are branches of mathematics that deal with quantifying and analyzing the likelihood of events. Counting involves determining the number of possible outcomes in a given situation.
4. The three principles of counting are the multiplication principle, the addition principle, and the principle of complementary counting.
1. A sequence is an ordered list of numbers, typically denoted as a₁, a₂, a₃, ..., where each term in the sequence is identified by its position or index. For example, {1, 3, 5, 7, 9} is a sequence. On the other hand, a series is the sum of the terms in a sequence. For instance, the series corresponding to the sequence mentioned earlier would be 1 + 3 + 5 + 7 + 9.
2. To solve series and sequence questions, it is important to look for patterns or relationships between the terms. For sequences, one can identify a pattern and use it to generate subsequent terms. In series, formulas or techniques like finding the sum of an arithmetic or geometric progression can be applied.
3. Counting involves determining the number of possibilities or outcomes in a given situation. It can involve simple counting principles or more complex techniques like combinations and permutations. Probability, on the other hand, deals with quantifying the likelihood of events. It uses mathematical calculations to determine the probability of specific outcomes or events occurring.
4. The three principles of counting are fundamental rules used in counting problems:
The multiplication principle states that if there are 'm' ways to do one thing and 'n' ways to do another, then there are 'm x n' ways to do both.
The addition principle states that if there are 'm' ways to do one thing and 'n' ways to do another, then there are 'm + n' ways to choose one of the two options.
The principle of complementary counting states that if there are 'm' ways to do something, then there are 'm' ways not to do it. By subtracting the number of ways not to do something from the total number of possibilities, one can determine the desired outcome.
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What is the best definition for parabola?
Answers
Answer: curve shape of something
Step-by-step explanation:
Answer:
Hey mate......
Step-by-step explanation:
This is ur answer.......
A parabola is a curve where any point is at an equal distance from: a fixed point (the focus), and. a fixed straight line (the directrix)
Hope it helps!
mark me brainliest pls.......
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Question 8 Given f(x) = cosh(x) = €¯x+e² find 2 df (4) dx
Answers
The value of df(4)/dx is (-e⁻⁴ + e⁴)/2 when function f(x) is cosh(x).
To find df(4)/dx, we need to differentiate the function f(x) = cosh(x) with respect to x.
Using the chain rule, the derivative of f(x) with respect to x is given by:
df(x)/dx = d/dx [cosh(x)]
To differentiate cosh(x), we can use the derivative of e^x, which is e^x, and apply the chain rule:
df(x)/dx = d/dx (e⁻ˣ + eˣ)/2
Applying the chain rule to each term separately:
df(x)/dx = (d/dx [e⁻ˣ ] + d/dx [eˣ))/2
The derivative of e⁻ˣ is -e⁻ˣ, and the derivative of eˣ is eˣ:
df(x)/dx = (-e⁻ˣ+ eˣ)/2
Now, to find df(4)/dx, we substitute x = 4 into the derivative:
df(4)/dx = (-e⁻⁴ + e⁴)/2
This is the value of df(4)/dx for the function f(x) = cosh(x).
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Eliza's backpack weighs pounds with her math book in it. Without her math book, her backpack weighs pounds. How much does Eliza's math book weigh?
a. 2 pounds
b. 3 pounds
c. 4 pounds
d. 5 pounds
Answers
Eliza's math book weighs 3⁶⁵/₇₂ pounds, based on fractional subtractions.
What is fractional subtraction?Fractional subtraction involves the subtraction of a number with fractions from another.
Subtraction is one of the four basic mathematical operations, including addition, multiplication, and division.
Fractions are portions or parts of a whole value and may be classified as proper, improper, or complex.
The weight of the backpack with Eliza's math book = 18⁷/₉ pounds
The weight of the backpack without Eliza's math book = 14⁷/₈ pounds
The weight of the math book = 3⁶⁵/₇₂ (18⁷/₉ - 14⁷/₈) pounds
Thus, using fractional subtractions, we can conclude that Eliza's math book weights 3⁶⁵/₇₂ pounds.
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Question Completion
Eliza’s backpack weighs 18⁷/₉ pounds with her math book in it. Without her math book, her backpack weighs 14⁷/₈ pounds. How much does Eliza’s math book weigh?