Answer:
m=1
Step-by-step explanation:
slope formula is y=mx-b
whenever a variable is by itself, the coefficient is always 1
A music collection includes 19 ROCK CDs, 12 COUNTRY CDs, 6 CLASSICAL CDs, and 5 HIP HOP
CDs. What is the probability that a CD randomly selected from the collection IS a classical CD?
Answer:
6/42 = 1/7
Step-by-step explanation:
Divide the number of events by the number of possible outcomes.
how many solutions are there to square root x =9
Answer:
There are 2 solutions to square root x = 9
They are 3, and -3
Step-by-step explanation:
The square root of x=9 has 2 solutions,
The square root means, for a given number, (in our case 9) what number times itself equals the given number,
Or, squaring (i.e multiplying with itself) what number would give the given number,
so, we have to find the solutions to \(\sqrt{9}\)
since we know that,
\((3)(3) = 9\\and,\\(-3)(-3) = 9\)
hence if we square either 3 or -3, we get 9
Hence the solutions are 3, and -3
ii) What is the base of and exponent of −24 ? Base: Exponent:
The base and exponent of −2^4 are
Base: -2
Exponent: 4
How to determine the base and the exponentFrom the question, we have the following parameters that can be used in our computation:
-2^4
In the expression -2^4, -2 is the base and 4 is the exponent.
The base is the number that is being multiplied by itself and the exponent is the number of times the base is being multiplied by itself.
In this case the base is -2 and the exponent is 4.
So the expression -2^4 means -2 multiplied by itself 4 times.
Read more about expression at
https://brainly.com/question/15775046
#SPJ1
A number cube is rolled and a marble is selected at random from a bag containing 2 green marbles, 2 yellow marbles, 2 red marbles, 1 purple marble, and 1 blue marble. Find each probability. Show your work. 1. P(1 and red) 2. P(3 and purple) 3. P(even and yellow) 4. P(odd and not green)
Answer:
1)
1 /6 × 1/8
1/6×8
1/48
2)
3/6 ×1/8
2×1/8
1/4
3)
3/6 ×1/8
2×1/8
1/4
4)
3/6×4/8
2÷2
1
Kudzu is a fast-growing vine that has become a nuisance in the southeastern United States. It covers 2. 5×10^5 (10 to the fifth power) acres in Alabama. In 2004 the population of Alabama was estimated to be 4. 45×10^6 (10 to the sixth power) people. How many acres of kudzu are there for each person in Alabama?
There are approximately 5.618 acres of kudzu for each person in Alabama.
How to find how many acres of kudzu are there for each person in AlabamaTo find the number of acres of kudzu per person in Alabama, we need to divide the total acreage of kudzu by the population of Alabama.
Total acreage of kudzu = \(2.5 * 10^5\) acres
Population of Alabama =\(4.45 * 10^6\) people
Acres of kudzu per person = (Total acreage of kudzu) / (Population of Alabama)
Acres of kudzu per person =\((2.5 * 10^5 acres) / (4.45 * 10^6 people)\)
To simplify this division, we can express the numbers in scientific notation and divide the coefficients and subtract the exponents:
Acres of kudzu per person =\(2.5 / 4.45 * 10^{(5-6)}\) acres/person
Acres of kudzu per person = \(0.5618 * 10^{-1}\)acres/person
To express the result in a simplified form, we can move the decimal point one place to the right:
Acres of kudzu per person ≈ 5.618 acres/person
Therefore, there are approximately 5.618 acres of kudzu for each person in Alabama.
Learn more about population at https://brainly.com/question/29885712
#SPJ4
Can you please help me?
Answer:
See below
Step-by-step explanation:
\(1 \frac{5}{6} \times 1 \frac{1}{2} = \frac{11}{6} \times \frac{ \boxed{3}}{2} = \frac{ \boxed{33}}{ \boxed{12}} \\ \)
Find the volume of the solid. PLEASE HELPPPPPPPP
Answer:
V≈743.25
Step-by-step explanation:
V=5
12tan(54°)ha2=5
12·tan(54°)·4·182≈743.24624
solve each equation by substituting. y=-3x+5
5x-4y=-3
not different problems they are in the same problem
Answer:
(1, 2 )
Step-by-step explanation:
Given the 2 equations
y = - 3x + 5 → (1)
5x - 4y = - 3 → (2)
Substitute y = - 3x + 5 into (2)
5x - 4(- 3x + 5) = - 3 ← distribute and simplify left side
5x + 12x - 20 = - 3
17x - 20 = - 3 ( add 20 to both sides )
17x = 17 ( divide both sides by 17 )
x = 1
Substitute x = 1 into (1) for corresponding value of y
y = - 3(1) + 5 = - 3 + 5 = 2
solution is (1, 2 )
Answer:
x = 1 and y = 2
Step-by-step explanation:
y + 3x = 5 -------------> (1)
-4y + 5x = -3 -------------> (2)
(1) * 4
=> 4y + 12x = 20 --------> (3)
(3) + (2)
=> 0y + 17x = 17
=> 17x = 17
by dividing both sides by 17
=> x = 1
by putting x = 1 into (1)
=> y + 3*1 = 5
=> y + 3 = 5
=> y = 5 - 3
=> y = 2
Arectangle's length is 3 feet longer than its width. The perimeter is 50 feet. In feet, what is the length of the rectangle?
Answer:
14 ft
Step-by-step explanation:
50= 2x + 2(x+3)
50= 2x+2x+6
50=4x+6
-6 -6
44=4x
4 4
x=11 (width) +3 =14(length)
11+11=22 14+14=28 22+28=50
A square patio has a perimeter of (32x+8) feet. What is the length of the patio?
The perimeter of the square patio is the sum of its side lengths
The length of the patio is: 8x + 2
The given parameters are:
\(\mathbf{Shape = Square}\)
\(\mathbf{Perimeter = 32x + 8}\)
The perimeter of a square is:
\(\mathbf{Perimeter = 4 \times Length}\)
So, we have:
\(\mathbf{4 \times Length = 32x + 8}\)
Divide both sides by 4
\(\mathbf{Length = 8x + 2}\)
Hence, the length of the patio is: 8x + 2
Read more about perimeters at:
https://brainly.com/question/6465134
john wanted a pressure washer for a flat fee of $50 plus $9 per hour how many hours did he rent the pressure washer if the total bill was $86?
He rented the pressure washer for 4 hours, given that the total bill was $86.
An algebraic expression is the combination of numbers and variables in expressing and solving a particular mathematical question. An equation is the equality of expressions.
Let x = total number of hours he rented the pressure washer
The total bill, which was $86, includes the flat fee of $50 plus $9 per hour of use.
Hence, the equation will be 50 + 9x = 86.
Solve for x.
50 + 9x = 86
9x = 86 - 50
9x = 36
x = 4
total number of hours he rented the pressure washer = 4
Learn more about algebraic expression and equation here: brainly.com/question/3927786
#SPJ4
a random number generator picks a number from one to nine in a uniform manner. find mu
The expected value or mean μ of the random number generator is 5.
To find μ, the expected value or mean of the random number generator that picks a number uniformly from one to nine, we can use the formula for the mean of a discrete uniform distribution.
In a discrete uniform distribution, all outcomes have equal probabilities. Since the random number generator picks a number from one to nine uniformly, each number has a probability of 1/9.
The formula for the mean of a discrete uniform distribution is:
μ = (a + b) / 2
where a is the minimum value and b is the maximum value of the distribution.
In this case, a = 1 and b = 9. Substituting these values into the formula, we have:
μ = (1 + 9) / 2
= 10 / 2
= 5.
Therefore, the expected value or mean μ of the random number generator is 5.
Question: A random number generator picks a number from one to nine in a uniform manner. Then find the mean (\(\mu\)).
To know more about uniform distribution check the below link:
https://brainly.com/question/22209943
#SPJ4
find the greatist common factor of 18 and 35
1
3
18
7
Answer:
GCF = 1
Step-by-step explanation:
factors of 18 = 1, 2, 3, 6, 9, 18
factors of 35 = 1, 5, 7, 35
the common factor to both is 1 only
then the GCF of 18 and 35 is 1
Compare the spreads. Which distributions is more spread out?
According to the information in the graph, it can be concluded that the graph that is more spread out is the Male Shoulder Girth (cm).
How to find the chart that is more spread out?To find the graph that is more spread out we must look at the distribution of the data. In this case we must look at the bars and the distribution they have on the x axis. In this case, the data in chart A is concentrated between 80 and 116 while the data in chart B is widely distributed between 100 and 132. Based on the above, we can conclude that the chart that is most spread out is the Male Shoulder Girth (cm).
Note: This question is incomplete. Here is the complete information:
Attached image
Learn more about graph in: https://brainly.com/question/17267403
#SPJ1
2x times -y or (2x)(-y)
Answer:
(2x)(-y)
Step-by-step explanation:
Both are technically correct, but (2x)(-y) is more professional. You can also say 2x * -y.
Hope this helps!
(Brainliest to whoever answers correctly) What is the area of the trapezoid?
Answer:
Area = 104
Step-by-step explanation:
In the middle, 8x10 = 80
We see that the two outside sides are both width of 3, height of 8.
We can do 8x3 = 24 to find both, so 80+24 = 104
Answer:
A = 104
Step-by-step explanation:
You deposit $30 in a credit union savings club account. You are getting 0. 7% monthly (8. 4% annuall) interest on the account. Write an explicit rule for the nth month?
The explicit rule for the nth month in the credit union savings club account is to multiply the balance of the previous month by 1.007. This rule represents the monthly interest rate of 0.7% or the annual interest rate of 8.4%.
To calculate the balance of the account for each month, we apply the monthly interest rate of 0.7% or the annual interest rate of 8.4%.
Starting with an initial deposit of $30, the balance for the first month is $30 * 1.007 = $30.21.
For the second month, we multiply the previous month's balance ($30.21) by 1.007, resulting in $30.21 * 1.007 = $30.42.
We continue this pattern for each subsequent month, multiplying the previous month's balance by 1.007. This can be represented by the explicit rule for the nth month: Balance(n) = Balance(n-1) * 1.007.
By following this rule, we can determine the balance of the credit union savings club account for any given month based on the initial deposit and the monthly interest rate.
Learn more about interest here : brainly.com/question/30393144
#SPJ11
Find an estimate for the unicity distance (as an integer) for the Vigenere cipher with m= 5. If your calculations yield a decimal you should select the next higher integer. For example, if your calculations yield 3.25, you should select 4 as your answer. a. 5b. 8c. 3d. 10
The correct option among the given choices is (a) 5.
What is unicity distance?The length of ciphertext required to break the cipher with a certain level of confidence is referred to as the unicity distance. The unicity distance for the Vigenere cipher with a key length of m is approximately:
L ≈ m(log26 − logPm)
where Pm is the probability that two random sequences of length m have at least one letter in common, which can be approximated as:
Pm ≈ 1 − (1/26)m
For m = 5, we have:
P5 ≈ 1 − (1/26)^5 ≈ 0.99972
Plugging this into the formula for L, we get:
L ≈ 5(log26 − logP5) ≈ 5(3.401 − 0.0003) ≈ 17
Rounding up to the nearest integer, we get an estimate of 17 for the unicity distance. Therefore, the correct option among the given choices is (a) 5.
know more about integer visit :
https://brainly.com/question/15276410
#SPJ1
Which expression is equivalent to 2(3g - 4) - (8g + 3)?
Answer:
Step-by-step explanation:
6g - 8 - 8g - 3
-2g - 11
Answer:
-2g - 11
Step-by-step explanation:
2(3g - 4) - (8g + 3)
Use the distributive property to multiply 2 by 3g - 4.
6g + 2(-4) - (8g + 3)
6g - 8 - (8g + 3)
Find the opposite of 8g + 3.
6g - 8 - 8g - 3
Combine like terms.
-2g - 8 - 3
Subtract 3 from -8 to get -11.
-2g + 11
The expression equivalent to 2(3g - 4) - (8g + 3) is -2g - 11.
In how many ways can the letters in the word payment be arranged using 5 letters?
To determine the number of ways the letters in the word "payment" can be arranged using 5 letters, we can utilize the concept of permutations.
A permutation is an arrangement of objects where the order matters. In this case, we want to arrange the letters of the word "payment" using only 5 out of the 7 letters available. To calculate the number of arrangements, we use the formula for permutations: nPr = n! / (n - r)!, where n is the total number of objects (letters) and r is the number of objects to be selected (5 in this case).
In the word "payment," there are 7 letters. Therefore, we have 7 options to choose from for the first position, 6 options for the second position, 5 options for the third position, 4 options for the fourth position, and 3 options for the fifth position. Hence, the number of arrangements is:
7P5 = 7! / (7 - 5)! = 7! / 2! = 7 * 6 * 5 * 4 * 3 = 2,520. Therefore, there are 2,520 different ways to arrange the letters of the word "payment" using only 5 letters.
Learn more about payment here: brainly.com/question/32320091
#SPJ11
find t_{5}(x), the degree 5 taylor polynomial of the function f(x)= \cos(x) at a = 0.
the degree 5 Taylor polynomial of f(x) = cos(x) at a = 0 is T₅(x) = 1 - (1/2!)x² + (1/4!)x⁴.
What is Taylor series?
The Taylor series is a representation of a function as an infinite sum of terms involving the function's derivatives at a particular point. It provides a way to approximate a function with a polynomial expression.
To find the degree 5 Taylor polynomial, denoted as T₅(x), of the function f(x) = cos(x) at a = 0, we need to compute the polynomial using the derivatives of f evaluated at x = 0.
The Taylor polynomial of degree n for a function f(x) centered at a is given by:
Tₙ(x) = f(a) + f'(a)(x - a) + (f''(a)/2!)(x - a)² + ... + (fⁿ(a)/n!)(x - a)ⁿ
In this case, a = 0, so the Taylor polynomial simplifies to:
T₅(x) = f(0) + f'(0)x + (f''(0)/2!)x² + (f'''(0)/3!)x³ + (f⁴(0)/4!)x⁴ + (f⁵(0)/5!)x⁵
Now, let's calculate the derivatives of f(x) = cos(x) up to the 5th order:
f'(x) = -sin(x)
f''(x) = -cos(x)
f'''(x) = sin(x)
f⁴(x) = cos(x)
f⁵(x) = -sin(x)
Evaluating these derivatives at x = 0:
f(0) = cos(0) = 1
f'(0) = -sin(0) = 0
f''(0) = -cos(0) = -1
f'''(0) = sin(0) = 0
f⁴(0) = cos(0) = 1
f⁵(0) = -sin(0) = 0
Substituting these values into the Taylor polynomial formula:
T₅(x) = 1 + 0x + (-1/2!)x² + (0/3!)x³ + (1/4!)x⁴ + (0/5!)x⁵
Simplifying the expression:
T₅(x) = 1 - (1/2!)x² + (1/4!)x⁴
Therefore, the degree 5 Taylor polynomial of f(x) = cos(x) at a = 0 is T₅(x) = 1 - (1/2!)x² + (1/4!)x⁴.
Learn more about Taylor series at:
https://brainly.in/question/32510207
#SPJ4
The table to below gives the orbital periods T (in years) of the planets known to Newton as a function of their mean distance R from the sun in AUs (where 1 AU = the earth’s mean orbital radius). Plot plot a log-log graph of the period versus the distance on the graph paper provided as Figure 5.6 on the next page.
Answer:
Step-by-step explanation:
i need it too :(
Function f(x) is represented on the graph. Which statement identifies the effect of replacing f(x) with 1/2f(x) on the graph? A)The curve would remain the same size but would be flipped upside down. B)The curve would remain the same size but would shift to the left. C)The curve would be narrower, but the vertex would be in the same position. D)The curve would be wider, but the vertex would be in the same position.
Answer:
Option (D)
Step-by-step explanation:
If a function f(x) is represented on a graph and we follow the transformation as,
f(x) → \(k.f(x)\)
1). If k ≥ 1, graph of the parent function f(x) will be stretched vertically by a factor k.
That means the transformed graph will be narrower.
2). If 0 < k < 1, graph will be vertically compressed or the transformed function will show a wider graph.
Following this rule,
f(x) → \(\frac{1}{2}.f(x)\) shows k = \(\frac{1}{2}\) [Since 0 < \(\frac{1}{2}\) < 1]
Therefore, transformed form will be wider.
Option (D) will be the answer.
I need help finding the slope
y2- y1 / x2 - x1
3 - -2 / 1 - -3
5/4
So, 5/4 or 1.25.
[1.5Point] Waleed wants to take a car loan of $25000 from the bank. He will have to pay off his loan for 60 months. If the required monthly payment is $500, calculate the effective interest rate on this car loan. (Cash Flow diagram is mandatory to draw) Solution:-
The effective interest rate on Waleed's car loan can be calculated as approximately 4.76%.
To calculate the effective interest rate, we need to consider the cash flows associated with the loan. In this case, Waleed borrows $25,000 and will make monthly payments of $500 for 60 months.
To visualize the cash flows, we can create a cash flow diagram. On the left side of the diagram, we represent the loan amount of $25,000 as an outgoing cash flow. Then, for each of the 60 months, we represent the monthly payment of $500 as an incoming cash flow.
(NPV) formula. The NPV calculates the present value of the cash flows and equates it to zero. By solving this equation for the interest rate, we can find the effective interest rate.
In this case, the NPV equation can be written as: -$25,000 + $500/(1+r) + $500/(1+r)^2 + ... + $500/(1+r)^60 = 0.
Solving this equation for r (the interest rate), we find that the effective interest rate is approximately 0.00397, or 0.397%. Multiplying this by 12 to convert to an annual rate, we get an effective interest rate of approximately 4.76%.
In summary, the effective interest rate on Waleed's car loan is approximately 4.76%, based on the cash flows of borrowing $25,000 and making monthly payments of $500 for 60 months.
To learn more about loan, click here: brainly.com/question/25696681
#SPJ11
please help me, ASAP
Answer:
The answer is A
Step-by-step explanation:
All of the other relations shows have duplicate numbers of x. For example, relation B has two 3s and D has two 20s. If a relation has a duplicate x, it is not a function.
question 8 a large hotel chain sees about 500 customers per week. a data analyst working there is gathering data through customer satisfaction surveys. they are anxious to begin analysis, so they start analyzing the data as soon as they receive 50 survey responses. this is an example of what? select all that apply.
The sampling strategy used in this problem is an example of:
Failing to include diverse perspectives in the collection.Failing to choose a large enough sample size.What is sampling?Sampling is when a subset of an entire population is studied, to verify whether characteristics of the sample can be expanded to the entire population.
The sample has to be representative of the population, that is, large enough, hence it should contain all the subsets of the population.;
In the context of this problem, the chain sees about 500 customers a week and they receive the responses from 50 of them. This is a not large enough sample size, hence it could cause biased results, meaning that the perspective of the entire population will not be considered.
In the context of this problem, the survey are anonymous, and the objective of a survey is generally not to reward the participants, hence the last two options are false.
What is the missing information?The options are given as follows:
Failing to include diverse perspectives in the collection.Failing to choose a large enough sample size.Failing to reward customers for participating in the survey.Failing to collect data anonymously.More can be learned about sampling at https://brainly.com/question/9910540
#SPJ1
[Help asap, question is in image, will mark brainliest]
Answer:
V = 339.12
Step-by-step explanation:
Volume of a cone:
V = πr²(h/3)
Given:
r = 6
h = 9
Work:
V = πr²(h/3)
V = 3.14(6²)(9/3)
V = 3.14(36)(3)
V = 113.04(3)
V = 339.12
what does your hmh scaled score is 583. your quantile interval is 835q - 985qyour hmh scaled score is 583. your quantile interval is 835q - 985q
A scaled score is a standard score that has been transformed into a specific scale. In this case, the scaled score is 583 on the HMH scale.
The quantile interval is the range of scores within which a particular score falls. In this case, the quantile interval is 835q to 985q, which means that the score of 583 falls within this range. This information may be used to compare a student's performance to a certain benchmark or to other students who have taken the same test.
A quantile interval is a range of values within a distribution of scores. In this case, the quantile interval for a score of 583 is 835q to 985q, which means that the score falls within the range of the 835th to 985th quantiles of the distribution. The quantile interval provides information about the relative standing of a score within the distribution, with lower quantile intervals indicating scores that are closer to the minimum of the distribution and higher quantile intervals indicating scores that are closer to the maximum of the distribution.
Learn more about quantile intervals at
https://brainly.com/question/17038818?referrer=searchResults
#SPJ4
A manufacturer estimated his marginal cost and marginal revenue at various levels of output to be the following. if the total fixed cost is 2000, estimate using the trapezoid rule, the total profit of producing 100 units. units 0 20 40 60 80 100 mc 260 250 240 200 240 250 mr 410 350 300 250 270 250
Answer:
The estimated total profit of producing 100 units using the trapezoid rule is $6,300.
Explanation:
To estimate the total profit of producing 100 units using the trapezoid rule, we need to calculate the total cost and total revenue first.
Given:
Total fixed cost (TFC) = $2000
Units: 0, 20, 40, 60, 80, 100
Marginal Cost (MC): 260, 250, 240, 200, 240, 250
Marginal Revenue (MR): 410, 350, 300, 250, 270, 250
To calculate the total cost (TC), we'll use the trapezoid rule by averaging the marginal costs at each interval and multiplying them by the corresponding change in units.
Interval 1: 0 to 20 units
Average MC = (260 + 250) / 2 = 255
Change in units = 20 - 0 = 20
TC1 = Average MC * Change in units = 255 * 20 = $5100
Interval 2: 20 to 40 units
Average MC = (250 + 240) / 2 = 245
Change in units = 40 - 20 = 20
TC2 = Average MC * Change in units = 245 * 20 = $4900
Interval 3: 40 to 60 units
Average MC = (240 + 200) / 2 = 220
Change in units = 60 - 40 = 20
TC3 = Average MC * Change in units = 220 * 20 = $4400
Interval 4: 60 to 80 units
Average MC = (200 + 240) / 2 = 220
Change in units = 80 - 60 = 20
TC4 = Average MC * Change in units = 220 * 20 = $4400
Interval 5: 80 to 100 units
Average MC = (240 + 250) / 2 = 245
Change in units = 100 - 80 = 20
TC5 = Average MC * Change in units = 245 * 20 = $4900
Total Cost (TC) = TC1 + TC2 + TC3 + TC4 + TC5 = $5100 + $4900 + $4400 + $4400 + $4900 = $23,700
To calculate the total revenue (TR), we'll use the trapezoid rule by averaging the marginal revenues at each interval and multiplying by the corresponding change in units.
Interval 1: 0 to 20 units
Average MR = (410 + 350) / 2 = 380
Change in units = 20 - 0 = 20
TR1 = Average MR * Change in units = 380 * 20 = $7600
Interval 2: 20 to 40 units
Average MR = (350 + 300) / 2 = 325
Change in units = 40 - 20 = 20
TR2 = Average MR * Change in units = 325 * 20 = $6500
Interval 3: 40 to 60 units
Average MR = (300 + 250) / 2 = 275
Change in units = 60 - 40 = 20
TR3 = Average MR * Change in units = 275 * 20 = $5500
Interval 4: 60 to 80 units
Average MR = (250 + 270) / 2 = 260
Change in units = 80 - 60 = 20
TR4 = Average MR * Change in units = 260 * 20 = $5200
Interval
5: 80 to 100 units
Average MR = (270 + 250) / 2 = 260
Change in units = 100 - 80 = 20
TR5 = Average MR * Change in units = 260 * 20 = $5200
Total Revenue (TR) = TR1 + TR2 + TR3 + TR4 + TR5 = $7600 + $6500 + $5500 + $5200 + $5200 = $30,000
To calculate the total profit (TP), we subtract the total cost from the total revenue.
TP = TR - TC = $30,000 - $23,700 = $6,300
Therefore, the estimated total profit of producing 100 units using the trapezoid rule is $6,300.
Learn more about the trapezoid rule: https://brainly.com/question/30401353
#SPJ11