Answer:
36,000 cm or 393.70079 yards
Step-by-step explanation:
6. Ainsley invests in a bank account that
earns interest compounded yearly.
The expression 680(1.031) can be
used to find the account balance in
t years.
Part A
What was Ainsley's initial
investment?
$
Ainsley's initial investment was approximately $660.184.
How to determine Ainsley's initial investmentLet's denote Ainsley's initial investment as x.
The expression 680(1.031) represents the account balance after one year, given that the initial investment of x earns an interest rate of 3.1% (or 0.031 in decimal form) compounded yearly.
So, we can set up the equation:
x(1.031) = 680
To solve for x, we need to divide both sides of the equation by 1.031:
x = 680 / 1.031
Evaluating the expression:
x ≈ 660.184
Therefore, Ainsley's initial investment was approximately $660.184.
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Y=9x+2x please help, i don't know how to
do this stuff
Answer: I hope you understand, just mutiply whatever x is by 11 to get Y
Step-by-step explanation:
x = unknown number
9x+2x= 11x
Y=11x
Ms. Luna is waterproofing the top of a rectangular wood deck. The width of the deck is 3 m less that the length. The length is 8m. What is the area to be waterproofed?
Answer:
40 m
Step-by-step explanation:
First we have to find the width. the width is 3 less than the length, which is 8... so the width is 5. Area is found by multiplyign length times width to get 40 m.
If the width of the deck is 3 m less that the length. The length is 8m. then the area to be waterproofed is 40 m²
What is Rectangle?A rectangle is a quadrilateral with four right angles
The area of Rectangle is length times of width.
Given that Ms. Luna is waterproofing the top of a rectangular wood deck.
The width of the deck is 3 m less that the length.
Width=Length-3
Length=8
Area of rectangle=Length×Width
=Length×(Length-3)
=8×(8-3)
=8×5
=40 m²
Hence, If the width of the deck is 3 m less that the length. The length is 8m. then the area to be waterproofed is 40 m²
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Como se resolvería este ejercicio paso a paso?
{x − 1 ≤ x ≤ 15}
Answer:
which language it is ?i can't understand it
Step-by-step explanation:
please ask in english language
Find the average value of the function f ( x ) = 6 x 2 on the interval 1 ≤ x ≤ 4
The average value of the function f(x) = 6x^2 on the interval 1 ≤ x ≤ 4 is 42.
To find the average value of the function \(\( f(x) = 6x^2 \)\) on the interval \(\( 1 \leq x \leq 4 \)\), we need to evaluate the definite integral of \(\( f(x) \)\)over that interval and divide it by the length of the interval.
The average value of a function \(\( f(x) \)\) on the interval \(\( [a, b] \)\) is given by:
\(\[ \text{Average value} = \frac{1}{b - a} \int_a^b f(x) \, dx \]\)
In this case, we have \(\( f(x) = 6x^2 \), \( a = 1 \), and \( b = 4 \).\) Let's calculate the average value step by step:
First, we find the definite integral of \(\( f(x) \):\[ \int_1^4 6x^2 \, dx \]\)
Using the power rule for integration, we can integrate term-by-term:
\(\[ = 2x^3 \bigg|_1^4 \]\)
Evaluating the antiderivative at the limits:
\(\[ = (2 \cdot 4^3) - (2 \cdot 1^3) \]\[ = 128 - 2 \]\[ = 126 \]\)
Next, we calculate the length of the interval:
\(\[ b - a = 4 - 1 = 3 \]\)
Finally, we divide the definite integral by the length of the interval to find the average value:
\(\[ \text{Average value} = \frac{1}{b - a} \int_a^b f(x) \, dx = \frac{1}{3} \cdot 126 = \frac{126}{3} = 42 \]\)
Therefore, the average value of the function \(\( f(x) = 6x^2 \)\) on the interval \(\( 1 \leq x \leq 4 \)\) is 42.
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the solution to dy/dt 2y=0 where y(0)=3 is most nearly
The solution to the differential equation dy/dt + 2y = 0 where y(0) = 3 is y = 3e^(-2t).
The solution to the differential equation dy/dt + 2y = 0 can be found by separating the variables and integrating both sides.
First, separate the variables:
dy/dt = -2y
Next, integrate both sides:
∫dy/y = ∫-2dt
This gives us:
ln(y) = -2t + C
Now, solve for y:
y = e^(-2t+C)
Since we know that y(0) = 3, we can plug in 0 for t and 3 for y to solve for C:
3 = e^(C)
C = ln(3)
So the solution is:
y = e^(-2t+ln(3))
Simplifying further gives us:
y = 3e^(-2t)
Therefore, the solution to the differential equation dy/dt + 2y = 0 where y(0) = 3 is y = 3e^(-2t).
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A researcher reports t(22) = 5.30, p < .01 for an independent-measures experiment. how many individuals participated in the entire experiment?
For the entire independent-measures experiment 24 individuals are participated.
What do you mean by independent-measures experiment?Different participants are utilized in each condition of the independent variable in an experimental design known as an independent measures design, or between-groups. This indicates that a different group of participants is present for each condition of the experiment. A research strategy known as an independent measures design uses numerous experimental groups with subjects only being assigned to one group. Throughout the experiment, each participant is solely exposed to one independent variable condition. A drug trial for a novel medicine would serve as an example. This has the benefit of preventing order effects, which occur when participants behave differently as a result of the order in which conditions are done, often as a result of factors like boredom or exhaustion.
We are given the value t(22) = 5.30, p < .01
So here degree of freedom (df) is 22 and it is independent so there is two samples,
so df= n₁+n₂-2
⇒ 22 = n₁+n₂-2
⇒ n₁+n₂ = 24.
Thus for the entire experiment 24 individuals are participated.
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write the equation in slope intercept form of the line that passes through -1, 11 and is parallel to the graph of y = -8x + 3
Step-by-step explanation:
Find the slope of the parallel line
When two lines are parallel, they have the same slope.
⇒ if the slope of this line = - 8
then the slope of the parallel line (m) = - 8
Determine the equation
We can now use the point-slope form (y - y₁) = m(x - x₁)) to write the equation for this line:
⇒ y - 11 = - 8 (x - (-1))
∴ y - 11 = - 8 (x + 1)
We can also write the equation in the slope-intercept form by making y the subject of the equation and expanding the bracket to simplify:
since y - 11 = - 8 (x + 1)
y = - 8 x + 3
The line from the question [ y = -8x + 3 ] passes through the point ( -1, 11 ).
The distance from Earth to the Sun is approximately 9 x 10exponetn7 miles. The distance from Earth to the moon is approximately 2 x 10exponent 5 miles. Approximately how many times the distance from the Earth to the Moon is the distance from Earth to the Sun? 0 18 45 222 450
450 miles
Explanation
Step 1
Let
\(\begin{gathered} \text{distance(earth-sun)}=9\cdot10^7miles \\ \text{distance(earth-moon)}=2\cdot10^5miles \end{gathered}\)Step 2
how many times the distnce (E-M) is the distance(E-S)
\(\frac{ES}{EM}=\frac{9\cdot10^7}{2\cdot10^5}=\frac{9}{2}\cdot10^{7-5}=4.5\cdot10^2miles\)so, the distance is
\(4.5\cdot10^2miles=4.5\cdot100=450\)I hope this helps you
at what intercepts is the graph constant
Answer:
for any two points in the interval, a change in x results in a zero change in f(x)
Step-by-step explanation:
The table below shows Zoey's earnings on the job
How much does she make in 18.2518.25 hours?
Answer:
she is going to make $408.90 in 18.2518.25 hours
twice a number is equal to negative for. which equation could be used to find the number? 2 n - 4 2 n
The equation which can be used to find the number is 2n = -4, and the number is -2.
What do you mean by equation?
A mathematical statement which is known as an equation makes two expressions' values equal to each other. It is mathematical statement which says "this is equivalent to that," in different words. It appears to have an equal sign in the centre, with a mathematical expression on the right side, and a mathematical expression on the left side.
Let the number be n,
we have given that the number is being twice.
So, the number becomes 2n
And, it is also given that the this twice of the number is equal to -4.
So the equation becomes as:
2n = -4
on solving this equation, we get n = -2
Therefore, the equation is 2n = -4 and the number is -2.
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Graph this inequality:
y≤-2
The government buys new weapons systems. The manufacturers of weapons pay their employees. The employees spend this money on goods and services. The firms they buy goods and services from pay their employees and the local economy expands. This illustrates
The government's purchase of new weapons systems has a ripple effect that stimulates economic growth. When the government buys weapons systems from manufacturers, it injects money into the industry, enabling manufacturers to pay their employees.
These employees then spend their earnings on various goods and services, which benefits other businesses. As a result, those businesses can hire more employees and contribute to the expansion of the local economy.
This process can be understood through the concept of the multiplier effect. The initial government spending on weapons systems creates a chain reaction of increased economic activity. The manufacturers, upon receiving payment, allocate those funds to employee salaries, thereby boosting the income and purchasing power of their workers.
These employees, in turn, utilize their income to make purchases from different firms, such as grocery stores, restaurants, or service providers. Consequently, these businesses experience a rise in demand, allowing them to hire more employees to meet the increased consumer needs. This cycle continues, leading to a broader expansion of the local economy as money circulates and creates additional income and employment opportunities.
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explain how you determined which distribution to use. the t-distribution will be used because the samples are independent and the population standard deviation is not known. the standard normal distribution will be used because the samples are independent and the population standard deviation is known
You must use the t-distribution table when working problems when the population standard deviation (σ) is not known and the sample size is small (n<30). General Correct Rule: If σ is not known, then using t-distribution is correct. If σ is known, then using the normal distribution is correct.
What is t-distribution and normal distribution ?Normal distribution, also known as the Gaussian distribution, is a probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.
In graphical form, the normal distribution appears as a "bell curve".
The normal distribution is the proper term for a probability bell curve.
In a normal distribution the mean is zero and the standard deviation is1. It has zero skew and a kurtosis of 3.
Normal distributions are symmetrical, but not all symmetrical distributions are normal.
The t-distribution describes the standardized distances of sample means to the population mean when the population standard deviation is not known, and the observations come from a normally distributed population.
Therefore,
You must use the t-distribution table when working problems when the population standard deviation (σ) is not known and the sample size is small (n<30). General Correct Rule: If σ is not known, then using t-distribution is correct. If σ is known, then using the normal distribution is correct.
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The average weight of ten bulls is 500kg and the standard deviation of the weight is 30kg. What would be the weight of a bull that is 6 standard deviations above the mean weight
Answer:
680kg
Step-by-step explanation:
The average weight of ten bulls is 500kg and the standard deviation of the weight is 30kg. What would be the weight of a bull that is 6 standard deviations above the mean weight
The formula to solve for the weight that is 6 standard deviation above the mean weight =
μ + 6σ = w
Where
μ = Mean weight = 500kg
σ = Standard deviation = 30kg
Hence:
w = 500kg + 6(30kg)
w = 500kg + 180kg
w = 680kg
Therefore, the weight of a bull that is 6 standard deviations above the mean weight is 680 kg
Using the normal distribution, it is found that the weight of a bull that is 6 standard deviations above the mean weight is of 680 kg.
Normal Probability DistributionIn a normal distribution with mean \(\mu\) and standard deviation \(\sigma\), the z-score of a measure X is given by:
\(Z = \frac{X - \mu}{\sigma}\)
It measures how many standard deviations the measure is from the mean. After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.In this problem, the mean and the standard deviation are, respectively, of \(\mu = 500\) and of \(\sigma = 30\).
The weight of a bull that is 6 standard deviations above the mean weight is X when Z = 6, hence:
\(Z = \frac{X - \mu}{\sigma}\)
\(6 = \frac{X - 500}{30}\)
\(X - 500 = 6 \times 30\)
\(X = 680\)
The weight of a bull that is 6 standard deviations above the mean weight is of 680 kg.
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Bank 1 offered him a loan repayable at a certain monthly instalment for the same period of time as the car hire company at the rate same rate of 9% p.a. whereas Bank B offered to reduce the rate of by 1.5% p.a.
(c) Total amount of money expected to be received by Bank 1.
The Bank 1's total amount of money to be received would be based on the loan amount, the monthly installment, and the duration of the loan.
To calculate the total amount of money expected to be received by Bank 1, we need to know the principal amount of the loan, the monthly installment, and the duration of the loan.
Since the question doesn't provide us with that information, we cannot accurately calculate the total amount of money expected to be received by Bank 1.
However, we do know that Bank 1 offered a loan repayable at a certain monthly installment for the same period of time as the car hire company at the same rate of 9% p.a.
Therefore, we can assume that Bank 1's total amount of money expected to be received would be based on the loan amount, the monthly installment, and the duration of the loan.
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A 6.5 ft. Tall car, parked next to a truck, casts a 33.2 ft. Shadow. If the truck casts a shadow that is 51.5 ft. Long then how tall is the truck? Round to the nearest tenth.
Answer: The truck is 10.0 ft tall.
Step-by-step explanation:
In a particular time ,
Shadow of an item is proportional to its height.
Equation of direct proportion: \(\dfrac{x_1}{y_1}=\dfrac{x_2}{y_2}\)
Similarly,
\(\dfrac{\text{height of truck}}{\text{shadow made by truck}}=\dfrac{\text{height of car}}{\text{shadow made by car}}\\\\\Rightarrow\ \dfrac{\text{height of truck}}{51.5}=\dfrac{6.5}{33.2}\\\\\Rightarrow\ \text{height of truck} = \dfrac{6.5}{33.2}\times51.2\approx10.0\text{ ft}\)
Hence, the truck is 10.0 ft tall.
Find the slope of the line that passes through the points (2, 5) and (-7, -4).
Answer:
1
Step-by-step explanation:
because yes nsnsnsnsnsnsnnsns. nsnsnd
let s(n) denote the number of steps required to carry out a certain algorithm with n items being processed. foreach function, describe what happens to s(n) if n is doubled
If the algorithm has a constant number of steps independent of the input size, s(n) remains the same when n is doubled.
Then the effect on the number of steps required, denoted as s(n), when the number of items being processed (n) is doubled will depend on the specific algorithm and its complexity.
Here are a few possibilities:
1. Constant Time Complexity (O(1)): If the algorithm has a constant time complexity, it means that the number of steps required remains the same, regardless of the input size. In this case, doubling n would not have any impact on s(n).
2. Linear Time Complexity (O(n)): If the algorithm has a linear time complexity, it means that the number of steps required is directly proportional to the input size. Doubling n would approximately double the number of steps as well. Thus, s(n) would increase in a linear manner.
3. Quadratic Time Complexity (O(n^2)): If the algorithm has a quadratic time complexity, it means that the number of steps required grows quadratically with the input size. When n is doubled, the number of steps would be approximately four times the original amount. Thus, s(n) would increase significantly.
4. Logarithmic Time Complexity (O(log n)): If the algorithm has logarithmic time complexity, doubling n would not have a substantial impact on the number of steps required. The increase in s(n) would be relatively small compared to the increase in n.
These are just a few examples, and there are various other complexities that algorithms can exhibit.
Each algorithm has its own time complexity, which determines how the number of steps required changes as the input size is doubled.
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A sample of scores has mean of M 26, median of 28, and a mode of 29 What is the most Iikely shape for the sample distribution? a. Symmetrical b. positively skewed c. negatively skewed d. cannot be determined from the information given
The most likely mean for the sample distribution is option c. negatively skewed.
Based on the given information, we know that the mean (M) is less than both the median and the mode. This suggests that the distribution is skewed to the left (negatively skewed), with a long tail on the left side of the distribution.
The mean of a sample distribution is the average value of all the observations or measurements in the sample. It is calculated by adding up all the values in the sample and dividing the sum by the total number of observations in the sample.
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Solve for x.
89(54x−36)+2=−34(−40+16x)+90x
Enter your answer in the box.
x =
Answer:
x = 2281/2630 = 0.867
Answer:
-2
Step-by-step explanation:
Just took the test
Explain how point-slope form is related to the formula for slope.
The point slope form finds the equation of a straight line that passes through a given point and is inclined to the x-axis. Each point on a line must satisfy the line's equation. Two-variable linear equations symbolize lines. The point slope formula is utilized when we know the line's slope and a point. The next section explains the point slope form and how to calculate its formula.
The equation of a straight line that is inclined at a particular angle to the x-axis and passes at a given point may be found by using the point slope form. This form is used to get the equation of the line. An equation may be said to be the equation of a line if it can be shown to be fulfilled by every point along the line. This indicates that a line is represented by a linear equation that has two variables. Whereas the Point slope formula is only used in situations in which both the slope of the line and a point on the line are known. In the next part, let's get more in-depth knowledge about the point slope form as well as how to derive the formula that is used to express the point slope form.
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A company wants to identify which of two production methods has the smaller completion time. One sample of workers is randomly selected and each worker first uses one method and then uses the other method. The sampling procedure being used to collect completion time data is based on _____ samples.
The sampling procedure being used to collect completion time data in this scenario is based on paired samples or dependent samples.
In paired samples, each observation in one sample is uniquely linked or paired with an observation in the other sample. In this case, the workers are randomly selected, and each worker is assigned to use both production methods, one after the other. The completion time for each worker is measured under both methods, creating paired or dependent observations.
By using paired samples, the company can compare the completion times of the same workers using different production methods. This approach helps eliminate individual differences and other sources of variability among workers, focusing solely on the comparison between the two methods.
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At a basketball game, a team made 55 successful shots. They were a combination of 1- and 2-point shots. The team scored 92 points in all. Write and solve a system of equations to find the number of each type of shot.
There were 18 one point shots and 37 two point shots.
Step-by-step explanation:
Let the number of one point shots be x and the number of two point shots be y .
So we have the system:
x + y = 55
x + 2y = 92
Subtract the first equation from the second, we get:
0 + y = 92 - 55 = 37.
y = 37.
From equation 1 we have x = 55 - y
therefore x = 55 - 37 = 18.
Today is Yolandas’s birthday. She is 7 years old. How old is Yolanda in months?
Answer:
7 years would be around 84 months
Step-by-step explanation:
Months to years is converted by multiplying years by 12, hence:
12x7=84
=84 months
Hope this helped, have a good day!
May I know the answer and steps, thank you.
(3-i/1+i)³
An imaginary number is produced when we square a negative number.
The value of I is -1.
What is the Value of i?This article's introduction included a proposition. The specific measure or value of what I stands for was the subject of the statement. It is discussed in this section of the article along with an explanation of its value.
Iota is the term used to describe the imaginary portion of a complex number. The symbol "iota" or I is used to represent an imaginary number's value. An imaginary number is produced when we square a negative number.
The value of I is -1.
The concept of complex numbers is understood using this value of i.
x2 plus 1 equals zero in a quadratic equation.
x2 = -1
x = √-1
The imaginary portion is shown as -1.
I = √-1
i2 = -1
An imaginary number can be squared to get a negative value, as was previously discussed.
I = √-1
both sides being square
i2 = -1
An imaginary number plus a real number are combined to get any complex number. Iota, sometimes known as I stands for all non-real quantities.
Real numbers include 10, -20, 3, and other like values.
The integers 2i, -5, -i, etc. are examples of imaginary numbers.
Complex numbers take the form of a + ib, where I denotes the imaginary component. In addition, the number zero is complicated. Only the imaginary component of a complex number can be added to or subtracted from the imaginary part, and vice versa for the real part of the complex number.
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Every natural numbers is a whole numbers
True or false
Answer:
True.
Step-by-step explanation:
Natural numbers are 1, 2, 3, 4 .........
True.
Answer:
TRUE!
Step-by-step explanation:
explanation in image above, i hope it helps!
Find the exact quadratic function with the given zeros and passing through the given point.
zeros(x-intercepts): x= –3, x= 1 and passes through (–8, 5).
y = a/b (x+c) (x-1)
The precise quadratic equation, according to the provided assertion, is y = (1/9)x² + (2/9)x - 1/3.
How is the quadratic function discovered?Three elements decide a quadratic function of the formula f(x) = ax² + bx + c. A quadratic function can be determined by getting a, b, and c algebraically given three locations on the graph. In order to do this, a system of eqs with three unknowns must be solved.
To find the quadratic function that passes through the point (-8, 5) and has zeros at x = -3 and x = 1, we can start by using the factored form of a quadratic function:
y = a(x - r)(x - s)
where r and s are the zeros of the function. Substituting in the given zeros, we get:
y = a(x + 3)(x - 1)
To find the value of a, we can use the fact that the function passes through the point (-8, 5). Substituting these values into the equation, we get:
5 = a(-8 + 3)(-8 - 1)
Simplifying this expression, we get:
5 = a(-5)(-9)
5 = 45a
a = 1/9
Substituting this value of a into the equation we get:
y = (1/9)(x + 3)(x - 1)
Expanding the equation, we get:
y = (1/9)(x² + 2x - 3)
Multiplying both sides by 9 to eliminate the fraction, we get:
9y = x² + 2x - 3
So the quadratic function that passes through the point (-8, 5) and has zeros at x = -3 and x = 1 is:
9y = x² + 2x - 3
or
y = (1/9)x² + (2/9)x - 1/3.
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Help I’ll give brainliest!
Answer:
Undefined
Step-by-step explanation:
Gradient/slope = \(\frac{8-3}{2-2} = \frac{5}{0}\) (change in y / change in x) = Undefine