Answer:
25
Step-by-step explanation:
The way I did this was I added all the numbers together (number through Monday-Friday) and got 17. Then I started off with 20, and multiplied 20 by 0.68 to get 13.6, now I’m trying to get up to 17 so I kept going up by 1 to finally try 25 x 0.68 = 17. Hopefully this makes sense!
length []=0
length (x:xs)=1+ length xs
−L1
−L2
Consider the following data types and functions: data Direction =L∣R numR : [Direction] -> Int
numR []=0
numR (L:p)= numR p
numR (R:p)=1+ numR p
−N0
−NL
−NR
rem :: Direction −> [Direction] −> [Direction] rem d [ = ] − Remo rem d(L:p)= ∣d==L= rem dp− RemL1 lotherwise =L:(remdp)− RemL2 rem d(R:p)= lotherwise = R:(rem d p) ⋯ RemR2 Notice how "rem L p" removes all occurrences of L in p. Similarly, "rem R p" removes all occurrences of R in p. Similarly, "rem R p" removes all occurrences of R in p. The goal of this question is to show that: length p= length ( rem Rp)+ numR p. Answer the following questions: 1. What precisely should we prove by induction? Specifically, state a property P, including possible quantifiers, so that proving this property by induction implies the (above) goal of this exercise. 2. State (including possible quantifiers) and prove the base case goal. 3. State (including possible quantifiers) the inc्acuctive hypothesis of the proof. 4. State (including possible quantifiers) and prove the step case goal.
1) The property P that we need to prove by induction is as P(p) = length p = length (rem R p) + numR p. 2) For the base case, we need to prove P([]) = length [] = length (rem R []) + numR []. 3) Inductive hypothesis is P(p) = length p = length (rem R p) + numR p. 4) For the step case, we need to prove P(p) → P(L:p) : length (L:p) = length (rem R (L:p)) + numR (L:p).
1) The property P that we need to prove by induction is as follows:
For all lists of directions p, the property P(p) is defined as:
P(p) = length p = length (rem R p) + numR p
If we can prove this property P by induction, it implies the goal of the exercise, which is to show that length p = length (rem R p) + numR p.
2) Base case goal:
For the base case, we need to prove the following goal:
For an empty list of directions p = [], the property P(p) holds:
P([]) = length [] = length (rem R []) + numR []
Proof:
P([]) simplifies to:
length [] = length (rem R []) + numR []
Using the definition of the length function and rem function, we have:
0 = length [] + numR []
Since the length of an empty list is 0, and there are no occurrences of R in an empty list, numR [] is also 0. Therefore, the base case goal holds.
3) Inductive hypothesis:
Assuming that the property P holds for a list p, we assume the following inductive hypothesis:
P(p) = length p = length (rem R p) + numR p
4) Step case goal:
For the step case, we need to prove the following goal:
Assuming P(p), we need to show that P(L:p) holds:
P(p) → P(L:p) : length (L:p) = length (rem R (L:p)) + numR (L:p)
Proof:
Using the definition of the length function and rem function, we have:
length (L:p) = length (L:(rem R p)) + numR (L:p)
Expanding the length and rem functions, we get:
1 + length p = 1 + length (rem R p) + numR (L:p)
Since L is not equal to R, numR (L:p) remains unchanged:
1 + length p = 1 + length (rem R p) + numR p
By canceling out the common terms on both sides, we get:
length p = length (rem R p) + numR p
This matches the property P(p), so the step case goal holds.
By proving the base case and the step case, we have proven the property P(p) by induction, which implies that length p = length (rem R p) + numR p for all lists of directions p.
Correct Question :
length []=0
length (x:xs)=1+ length xs
−L1
−L2
Consider the following data types and functions: data Direction =L∣R numR : [Direction] -> Int
numR []=0
numR (L:p)= numR p
numR (R:p)=1+ numR p
Answer the following questions:
1. What precisely should we prove by induction? Specifically, state a property P, including possible quantifiers, so that proving this property by induction implies the (above) goal of this exercise.
2. State (including possible quantifiers) and prove the base case goal.
3. State (including possible quantifiers) the inc्acuctive hypothesis of the proof.
4. State (including possible quantifiers) and prove the step case goal.
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A swimming pool has to be drained for maintenance. The pool is shaped like a cylinder with a diameter of 5 m and a depth of 1.4 m. Suppose water is pumped
out of the pool at a rate of 133
per hour. If the pool starts completely full, how many hours will it take to empty the pool?
Espanol
Use the value 3.14 for #, and round your answer to the nearest hour. Do not round any intermediate computations.
Answer:
8 hours
Step-by-step explanation:
basic equation
Q (flow rate) = V (volume)/ t (time)
so to find the time we just rearrange the equation and become
t = V/Q
V of cylinder
V = πr²T
and r (radius) = ½ diameter
V = 3.14 x 5² x 1.4
V = 109.9 m³
if the Q is 13 m³/hour then
t = 109.9/13 = 8.453 hours
round to nearest hour = 8 hours
Please help I have 2 more questions in my warm up.. I will give brainiest to whoever can answer
Answer:
9
Step-by-step explanation:
Just count the many units to get to each point.
Identifying Characteristics of Circles from Equations
The equation for a circle is (x + 2)2 + (y – 5)2 = 9.
What is the radius of the circle?
✔ 3
What is the x-coordinate of the circle’s center?
✔ -2
What is the y-coordinate of the circle’s center?
✔ 5
The answers are correct!
Answer:
Step-by-step explanation:
Write in the form a to the power of k, where a is a prime number and k is rational
\(\sqrt[4]{27}\)
The answer is 3 to the 3/4 power.
Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. A quality inspector took the following samples of the length of time (in seconds) for glue to dry. Please round your calculations to three decimal places. Sample 1 Obs. 1 125 Obs. 3 122 Obs. 2 126 100 155 Obs. 4 132 121 118 Obs. 5 114 125 142 2 130 110 140 129 3 a) What is the value of ? x = seconds (round your response to three decimal places). b) What is the value of R? R= seconds (round your response to three decimal places). c) What are the UCL, and LCL, using 3-sigma? Upper Control Limit (UCL;) = seconds (round your response to three decimal places). Lower Control Limit (LCL;) = seconds (round your response to three decimal places). d) What are the UCLR and LCLR using 3-sigma? Upper Control Limit (UCLR) = seconds (round your response to three decimal places). Lower Control Limit (LCLR) = seconds (round your response to three decimal places).
To find the value of x, we calculate the average of the sample observations. Summing up the observations and dividing by the total number of observations, we get:
x = (125 + 122 + 126 + 100 + 155 + 132 + 121 + 118 + 114 + 125 + 142 + 2 + 130 + 110 + 140 + 129 + 3) / 17 = 114.118 seconds (rounded to three decimal places).b) To find the value of R, we calculate the range of each sample by subtracting the minimum observation from the maximum observation. Then we find the average range across all samples:R = (155 - 100 + 142 - 2 + 140 - 110 + 132 - 114 + 142 - 3) / 5 = 109.2 seconds (rounded to three decimal places).
c) The Upper Control Limit (UCL) and Lower Control Limit (LCL) using 3-sigma can be calculated by adding and subtracting three times the standard deviation from the average:UCL = x + (3 * R / d2) = 114.118 + (3 * 109.2 / 1.693) = 348.351 seconds (rounded to three decimal places).LCL = x - (3 * R / d2) = 114.118 - (3 * 109.2 / 1.693) = -120.115 seconds (rounded to three decimal places).
d) The Upper Control Limit Range (UCLR) and Lower Control Limit Range (LCLR) using 3-sigma can be calculated by multiplying the average range by the appropriate factor:UCLR = R * D4 = 109.2 * 2.115 = 231.108 seconds (rounded to three decimal places).LCLR = R * D3 = 109.2 * 0 = 0 seconds.
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solve the equation cx/2 = a f/g for x
Answer:
x = 2af/cg.
Step-by-step explanation:
cx/2 = a f/g
Multiply through by 2g:
cgx = 2af
Divide both sides by cg:
x = 2af/cg.
The solution of the given equation for x is 2af/cg.
The given equation is cx/2 = a f/g.
We need to solve the given equation for x.
What is the equation?In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.
Now, cx/2 = a f/g
By multiplying 2g on both the side of the equation, we get
cgx = 2af
Divide both sides of the equation by cg.
That is, x = 2af/cg
Therefore, the solution of the given equation for x is 2af/cg.
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the question is in the attached picture
Answer: \(\frac{1}{3} \sin x^{3}+C\)
Step-by-step explanation:
Let \(u=x^3\). Then, \(3x^2 dx = du \longrightarrow x^2 dx =\frac{1}{3}du\)
So, we can rewrite the original integral as
\(\frac{1}{3} \int \cos u \text{ } du=\frac{1}{3} \sin u+C=\frac{1}{3} \sin x^{3}+C\)
What is the yield to maturity (YTM) on a simple loan for $1,500 that requires a repayment of $7,500 in five years' time? The yield to maturity is ?
The yield to maturity on a simple loan for $1,500 that requires a repayment of $7,500 in five years' time is 37.14%.
Yield to maturity (YTM) is the total return anticipated on a bond or other fixed-interest security if the security is held until it matures. Yield to maturity is considered a long-term bond yield, but is expressed as an annual rate. In this problem, the present value (PV) of the simple loan is $1,500, the future value (FV) is $7,500, the time to maturity is five years, and the interest rate is the yield to maturity (YTM).
Now we will calculate the yield to maturity (YTM) using the formula for the future value of a lump sum:
FV = PV(1 + YTM)n,
where,
FV is the future value,
PV is the present value,
YTM is the yield to maturity, and
n is the number of periods.
Plugging in the given values, we get:
$7,500 = $1,500(1 + YTM)5
Simplifying this equation, we get:
5 = (1 + YTM)5/1,500
Multiplying both sides by 1,500 and taking the fifth root, we get:
1 + YTM = (5/1,500)1/5
Adding -1 to both sides, we get:
YTM = (5/1,500)1/5 - 1
Calculating this value, we get:
YTM = 0.3714 or 37.14%
Therefore, the yield to maturity on a simple loan for $1,500 that requires a repayment of $7,500 in five years' time is 37.14%.
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Any math teacher here
Answer:
what's the question?
Step-by-step explanation:
(Note that most of the answers are algebraic expressions involving t) A car starts on a trip and travels at a speed of 55 mph. Two hours later, a second later starts on the same trip and travels at a speed of 55 mph. When the second car has been on the road trip for t hours, the first car has traveled _____ miles and the second car has traveled ______ miles.
Let t represent the time that the second car has been on the road. If it started 2 hours after the first car started, it means that the time that the first car has been on the road is
(t + 2) hours
Recall,
Distance = speed x time
From the information given,
speed of first car = 55
Thus,
distance travelled by first car = 55(t + 2)
speed of second car = 65
Distance travelled by second = 65t
Thus,
The first car has traveled 55(t + 2) miles and the second car has traveled 65t miles
An engineer is designing a fuel tank in the shape of a cylinder. The tank must have a volume of 3,500 cubic inches. The height of the cylinder must be twice the radius. What is the approximate radius of the cylinder?.
An engineer is designing a fuel tank in the shape of a cylinder, the approximate radius of the cylinder is 8.2 inches.
Volume:
V = πr²h
Height:
h = 2r
V = πr²h
V= πr²(2r)
V= 2πr³
And we know that the volume must be 3,500 in³, now we can replace that and solve for R, we will get:
V= πr²h
3500 = 3.14 x 2 x (r)³
r = 8.2 inch
The cylinder's approximate radius must be 8.2 inches.
One of the most fundamental curvilinear geometric shapes, a cylinder has historically been a three-dimensional solid. It is regarded as a prism with a circle as its base in basic geometry. In several contemporary fields of geometry and topology, a cylinder can alternatively be characterised as an infinitely curved surface.
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Please help quarter ends tomorrow and I don’t know what to do I’m failing all my classes
Answer:
I believe the answer is y=x+-13
Step-by-step explanation:
Is there an easy way to do fractions? If so, how?
The only easy way to do fractions is by expressing the numbers to be divided as a numerator and denominator and dividing them.
How to resolve fractionsThe best way to resolve fractions will be by expressing them as numerators and denominators and then finding the solutiion. Let us say that we are told to divide 10 by 2. The first thing to do is to express them as numerators and denominators like this:
10/2 = 5.
You can also imagine that 2 people are told to share 10 things and then count how many each person will get. The answer is 5.
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an exponential function is expressed in the form y ab x the relation represents a growth when
Answer:
b > 1
Step-by-step explanation:
You want to know the conditions on an exponential function that represents growth.
Growth factorThe value of 'b' in the exponential function y = a·b^x is called the "growth factor." Each time x increases by 1 unit, the value of y is multiplied by 'b'. If that product is increasing, the value of 'b' must be greater than 1.
The relation represents growth when b > 1.
An exponential function in the form \(y = ab^x\) represents growth when the base (b) is greater than 1.
What is exponential function?In an exponential function of the form y = ab^x, the base (b) is a crucial component. The behavior of the function depends on the value of the base.
When the base (b) is greater than 1, it means that b is a positive number larger than 1. In this scenario, as the value of x increases, the value of \(b^x\) also increases exponentially. This results in the function \(y = ab^x\) exhibiting growth.
To better understand this growth behavior, let's consider an example. Suppose we have an exponential function \(y = 2^x\). As x increases from 0, the values of \(2^x\) will be as follows:
For x = 0, \(2^0\) = 1
For x = 1, \(2^1\) = 2
For x = 2, \(2^2\) = 4
For x = 3, \(2^3\) = 8
For x = 4, \(2^4\) = 16
As you can see, as x increases, the values of \(2^x\) grow exponentially. This demonstrates the growth behavior of exponential functions when the base is greater than 1.
It's important to note that when the base (b) is between 0 and 1 (exclusive), the exponential function will exhibit decay or decreasing behavior rather than growth.
In summary, an exponential function of the form \(y = ab^x\) represents growth when the base (b) is greater than 1. As x increases, the function values increase exponentially, indicating a growth pattern.
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Isabella flew 720 miles in 120 minutes. How many miles per minute did
she fly?
Answer:
6 miles per minute.
Step-by-step explanation:
All you need to do is, divided 720 into 120, and you will get your answer. :)
NEED HELP WITH ALGEBRA 2
Solve each equation: 5^(3-2x)=5^(-x)
Given: the risk of dying today is 1 in 10,000, the risk of being hit and killed today if you ride a bicycle is 1 in 5,000, and the risk of dying today if you wear a safety belt and drive defensively is 1 in 20,000. What is the absolute risk of:
a. dying today
b. dying today if you ride a bike
c. dying today if you wear a seat belt and drive defensively
a) The absolute risk of dying today is 1/10,000, which is given in the question.
b) The absolute risk of dying today if you ride a bike is 1/5,000.
c) The absolute risk of dying today if you wear a safety belt and drive defensively is 1/20,000.
Given: The risk of dying today is 1/10,000, the risk of being hit and killed today if you ride a bicycle is 1/5,000, and the risk of dying today if you wear a safety belt and drive defensively is 1/20,000.Absolute risk is defined as the probability or chance of an event taking place.
It indicates the number of people who are expected to experience the event over a given period, typically a year. This is in contrast to the relative risk, which compares the chance of an event happening in one group with the likelihood of it occurring in another group.
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Emelina loaded 96 trucks in 8 hours. At that rate, how many trucks
would she load in 15 minutes?
Answer:
3
Step-by-step explanation:
60 × 8 = 480 (mins)
96 (trucks) = 480 (mins)
÷32 (I got this number by dividing 480 by the desired amount of mins which was 15)
3 = 15
So 3 trucks would have been loaded in 15 mins
a fruit stand has to decide what to charge for their produce. they decide to charge $ 5.30 $5.30dollar sign, 5, point, 30 for 1 11 apple and 1 11 orange. they also plan to charge $ 14 $14dollar sign, 14 for 2 22 apples and 2 22 oranges. we put this information into a system of linear equations.
The system of linear equations are;
a + b = 5.30
a + b = 7
Expressing the information as a system of linear equations:
Consider that apples = a, oranges = b
If $5.30 is charged for one apple and one orange, then we get the equation as
a + b = 5.30 - - - (1)
If $14 is charged for 2 apples and 2 oranges, then we get the equation as ;
2a + 2b = 14 - - - - (2)
a + b = 7
Since both equations give varying combined cost for an equal amount of fruit, so a unique cost cannot be obtained for each fruit from the systems of equation using a simultaneous equation process.
From (1)
a = 5.30 - b
Put a, b in (2)
2(5.30 - b) + 2b = 14
10.6 - 2b + 2b = 14
10.6 = 14
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Suppose you are given two sets A and B, each containing n positive integers. Youcan choose to reorder each set however you like. After reordering, leta, be the ith element in A, and by be the ith element in B. You will receive a payoff ofaba) If you reorder A and B into monotonically decreasing order, consider any indices i and j such that i < j, which of the two combinations has higher value: aibj +aibj or aibj + biaj? Prove your answer. Based on this, describe the optimal way of reordering that maximizes your payoff
The running time is O(n log(n)) since we sort two vector.
We solve the problem with the following algorithms:
1. Order A is in the increasing order.
2. Order B is in the decreasing order.
3. Return (A,B).
We must demonstrate that this is the best answer. without sacrificing generality, we can assume that a₁ ≤ a₂ ......≤ aₙ in the optimal solution.
Since the payoff is \(\prod_{i}^{n}=1^{a_{i}^{bi}}\), the payoff will always increase if we make a change so that \(b_{i+1} > b_{i}\).
Therefore the optimal solution will be found if B is sorted.
Thus, the running time is O(n log(n)) since we sort two vector.
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Identifying a Point on Perpendicular Lines On a coordinate plane, line M N goes through points (2, 3) and (negative 3, 2). Point K is at (3, negative 3). Which point could be on the line that is perpendicular to Line M N and passes through point K? (0, −12) (2, 2) (4, 8) (5, 13)
To determine which point could be on the line that is perpendicular to Line MN and passes through point K, we need to analyze the slopes of the two lines.
First, let's find the slope of Line MN using the given points (2, 3) and (-3, 2):
Slope of Line MN = (2 - 3) / (-3 - 2) = -1 / -5 = 1/5
Since the lines are perpendicular, the slope of the perpendicular line will be the negative reciprocal of the slope of Line MN. Therefore, the slope of the perpendicular line is -5/1 = -5.
Now let's check the given points to see which one satisfies the condition of having a slope of -5 when passing through point K (3, -3):
For point (0, -12):
Slope = (-12 - (-3)) / (0 - 3) = -9 / -3 = 3 ≠ -5
For point (2, 2):
Slope = (2 - (-3)) / (2 - 3) = 5 / -1 = -5 (Matches the slope of the perpendicular line)
For point (4, 8):
Slope = (8 - (-3)) / (4 - 3) = 11 / 1 = 11 ≠ -5
For point (5, 13):
Slope = (13 - (-3)) / (5 - 3) = 16 / 2 = 8 ≠ -5
Therefore, the point (2, 2) could be on the line that is perpendicular to Line MN and passes through point K.
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Can you help me solve this!
Hello!
surface area
= 2(6*2) + 2(4*2) + 4*6
= 2*12 + 2*8 + 24
= 24 + 16 + 24
= 64 square inches
a standing wave is set up in a pool 24 m long which contains six loops. what is the wavelength? a) 24 m b) 48 m c) 8 m d) 4 m
Two length of the same frequency and amplitude moving in opposite directions combine to form a standing wave, which appears to be stationary. Given that the pool in this instance is 24 m long and has six loops, the wavelength is 4 m.
Wavelength = Length of Pool / Number of Loops
24 m / 6 loops
= 4 m
Wavelength
= 4 m
Two waves of the same frequency and amplitude moving in opposite directions combine to form a standing wave, which appears to be stationary. A stationary wave pattern is produced when the two waves collide and interfere with one another. Six loops make up the 24 m-long pool in this instance. As a result, the standing wave's wavelength is equal to the pool's length divided by the number of loops, or 24 m / 6 = 4 m. This indicates that the standing wave's wavelength is 4 metres. Standing waves can be used to determine a wave's speed because they are equal to wavelength times frequency. Understanding how waves behave in various contexts, such as swimming pools, oceans, or other bodies of water, can be helped by this.
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Which of the following transforms y= x2
the
graph of y = (x + 5)2 ?
a translation 5 units to the right
a translation 5 units to the left
a translation 5 units down
a translation 5 units up
hing
Answer:
a translation 5 units to the left
Step-by-step explanation:
Answer
Part 1: B. 5 units left
Part 2: C. 7 units down
Hope it helps!
Have an amazing day!!
^ω^
-- FTS
1. A point is moving along the graph of the given function at the rate dx/dt. Find dy/dt for the given values of x.
y = 4x2 + 9; dx/dt = 4 centimeters per second
(a) x = −1
dy/dt = cm/sec
(b) x = 0
dy/dt = cm/sec
(c) x = 1
dy/dt= cm/sec
The values of dy/dt for the given values of x are:
(a) dy/dt = -32 cm/sec
(b) dy/dt = 0 cm/sec
(c) dy/dt = 32 cm/sec
To find dy/dt for the given function y = 4x^2 + 9, we need to take the derivative of y with respect to x, and then multiply it by dx/dt.
First, let's find the derivative of y with respect to x:
dy/dx = d/dx (4x^2 + 9)
= 8x
Now, we can calculate dy/dt by multiplying dy/dx by dx/dt:
dy/dt = (dy/dx) * (dx/dt)
= (8x) * (dx/dt)
Now we can substitute the given values of x and dx/dt to find the values of dy/dt:
(a) x = -1, dx/dt = 4 cm/sec:
dy/dt = (8 * (-1)) * 4
= -32 cm/sec
(b) x = 0, dx/dt = 4 cm/sec:
dy/dt = (8 * 0) * 4
= 0 cm/sec
(c) x = 1, dx/dt = 4 cm/sec:
dy/dt = (8 * 1) * 4
= 32 cm/sec
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what does the phase line for x'=xsinx look like
Answer:
sm like this hope this helps your welcome
When adding two
rational numbers what
will the sign be if both
numbers are positive?
Answer:
Step-by-step explanation:
Adding two rational numbers results in a positive sum.
A walking path is being built along the diagonal of a
rectangular park. Determine the length of the path, to the
nearest metre.
A 135 m
B 97 m
C 66 m
D 58 m
Answer:
C
Step-by-step explanation:
BRAINLIEST PLEASE
A bag contains 9 marbles: 3 are green, 2 are red, 4 are blue. Yolanda chooses a marble at random, and without putting it back, chooses another one at random. What is the probability that the first marble is blue and the second is green?
Answer: \(\bold{\dfrac{1}{6}=16.67\%}\)
Step-by-step explanation:
First pick and Second pick
\(\dfrac{4\ blue}{9\ total\ marbles}\times\dfrac{3\ green}{8\ remaining\ marbles}\quad =\dfrac{12}{72}\quad =\large\boxed{\dfrac{1}{6}}\)