The forecast for May using a five-month moving average is 39 (Option E).
Moving average is used for smoothing out time series data to find any trends or cycles within the data. A five-month moving average is the average of the past five months. To calculate the moving average, add up the sales for the previous five months and divide it by five.
According to the question, the sales for the previous five months are: Nov. 39 Dec. 27 Jan. 40 Feb. 42 Mar. 41 April 47
We have to add the sales of these five months, which gives:
27 + 40 + 42 + 41 + 47 = 197
To find the moving average for May, we divide this sum by 5:
197 / 5 = 39.4
Since we have to round the answer to the nearest whole number, we round 39.4 to 39, which is option E.
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canyou solve all five problems?* there is another question with a few more*
Kimani needs 1.96 quart of paint to paint the parallelogram.
Area of the figure = (b × h)+(b' × h')
Area of the sign that is not black is 604 in².
What do you mean by area of parallelogram?A parallelogram's area is the area that it occupies in a two-dimensional plane. A parallelogram is a four-sided, two-dimensional form in geometry.
This particular quadrilateral example has equal and parallel opposite sides. The space bounded by a parallelogram's four sides is known as its area. A parallelogram's area is determined by multiplying its length by its height. A quadrilateral's interior angles add up to 360 degrees. Two pairs of parallel sides with equal lengths make up a parallelogram. Its area and perimeter are defined by the fact that it is a two-dimensional figure.
Now area of the parallelogram = 28 × 7 = 196 ft².
1 quart paints 100 ft².
So for 196 ft² = 196/100
= 1.96.
Now let the base of small parallelogram be b and height be h.
Let base of large parallelogram be b' and height be h'.
Total area = (b × h)+(b' × h')
In the figure here,
Area of the whole sign = 36 × 30 = 1080in²
Area of the black region = 2(17 × 14) = 2×238 = 476in²
Required area = 1080-476 = 604 in².
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Kimani needs 1.96 quart of paint to paint the parallelogram.
Area of the figure = (b × h)+(b' × h')
The area of the sign that is not black is 604 in².
What do you mean by the area of a parallelogram?The area of a parallelogram is the space it takes up on a two-dimensional plane. In geometry, a parallelogram is a four-sided, two-dimensional shape.
The opposite sides of this particular quadrilateral are parallel and equal. The area of a parallelogram is the region enclosed by its four sides. The area of a parallelogram is found by multiplying its length by its height. The internal angles of a quadrilateral sum 360 degrees. A parallelogram is a shape having two sets of parallel sides of equal length. As a two-dimensional figure, its area and perimeter are determined by this.
Now the area of the parallelogram = 28 × 7 = 196 ft².
1 quart paints 100 ft².
So for 196 ft² = 196/100
= 1.96.
Let b be the little parallelogram's base and h be its height.
Let b' be the base and h' be the height of a big parallelogram.
Total area = (b × h)+(b' × h')
In the figure here,
Area of the whole sign = 36 × 30 = 1080in²
Area of the black region = 2(17 × 14) = 2×238 = 476in²
Required area = 1080-476 = 604 in².
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A square rug has an area of 225 square feet . How long is each side of the rug ?
Answer:
I believe it's 15
Step-by-step explanation:
15^2 is 225
can anyone help with this?
Answer:
Well..
Step-by-step explanation:
-O.6/1
Names of TV shows taped in New York are an example of which type of data? Answer a. Qualitative b. Statistic c. Quantitative d. Parameter
Option (A) Names of TV shows taped in New York are an example of qualitative data. Qualitative data is descriptive in nature and does not involve numerical values or measurements.
It deals with qualities or attributes that cannot be expressed numerically. In this case, the names of TV shows are characteristics that describe the nature of the data. Quantitative data, on the other hand, is numerical data that can be measured and expressed in numbers. A parameter is a measurable factor or variable that can be used to define a system, while statistics is a branch of mathematics that deals with data collection, analysis, and interpretation. In conclusion, since the names of TV shows are descriptive in nature and do not involve numerical values, they are an example of qualitative data.
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Please answer my question quickly.
Answer:
b=sqrt7
Step-by-step explanation:
16=9+b^2
The table shown below provides statistical data on the bowling scores for David and Elise.
David claims that his scores were more consistent than Elise’s scores. Which statement is MOST likely true about David’s claim?
David’s claim is correct because his mean score is greater than Elise’s mean score.
David’s claim is correct because the interquartile range for his scores is greater than the interquartile range for Elise’s scores.
check
David’s claim is incorrect because his mean score is greater than Elise’s mean score.
David’s claim is incorrect because the interquartile range for his scores is greater than the interquartile range for Elise’s scores.
The correct statement regarding David's claim is given as follows:
David’s claim is incorrect because the interquartile range for his scores is greater than the interquartile range for Elise’s scores.
How to obtain the interquartile range?The interquartile range of a data-set is given by the difference of the third quartile by the first quartile of the data-set.
The interquartile range is a metric of consistency, and the lower the interquartile range, the more consistent the data-set is.
The interquartile range for David is greater than for Elise, hence his claim is incorrect.
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A car was purchased for $20,000. The car depreciates by 27% each year. What is the value of the car when it is 12 years old?
Answer:
Below
Step-by-step explanation:
Losing 27 % of value each year means it retains 73% each year
we need to multiply 20 000 x .73 x .73 x .73 .... .73 (twelve times )
or re-written as 20 000 * .73^12 = value =$ 458.04
What are the solutions to the equation x2 + 4x – 12 = 0? O A. x = -6 and x = 2 O B. x= -4 and x= 3 O C. X=-3 and x = 4 D. x = -2 and x = 6
Answer:
the answer is A.
Jennifer made these measurements on ABC,BC must be-?
Answer:
between 10 and 12
Step-by-step explanation:
Given the measure of angles:
m∠B = 70°
m∠C = 60°
m∠A = 50°
We know m∠B = 70° because the sum of interior angles in a triangle is equal to 180°.Following this information, since the side lengths are directly proportional to the angle measure they see:
Angle B is the largest angle. Therefore, side AC is the longest side of the triangle since it is opposite of the largest angle.
Angle C is the smallest angle, so the side AB is the shortest side.
Therefore, side BC must be between 10 and 12 inches.
Send help! Let angle 1 and angle 2 be complementary angles, and let angle 2 and angle 3 be supplementary angles. If angle 1 = x and angle 2 = 2x, determine x. Then find angle 1, angle 2, and angle 3.
Answer:
1. x = 30
2. ∠1 = 30°
3. ∠2 = 60°
4. ∠3 = 120°
Step-by-step explanation:
⭐What are supplementary angles?
two or more angles that add up to 180°⭐What are complementary angles?
two or more angles that add up to 90°Set up the equations for the situation:
∠1 + ∠2 = 90
∠2 + ∠3 = 180
x + 2x = 90 . . . (1)
2x + ∠3 = 180 . . . (2)
First, solve for "x" in equation 1:
x + 2x = 90
3x = 90
∴ x = 30
Next, substitute "x" into ∠1 and ∠2 to solve for ∠1 and ∠2:
∠1 = x
∴ ∠1 = 30°
∠2 = 2x
∠2 = 2(30)
∴ ∠2 = 60°
Finally, substitute "x" into equation 2 to solve for ∠3:
2x + ∠3 = 180
2(30) + ∠3 = 180
60 + ∠3 = 180
∴ ∠3 = 120°
Is the line x = 1 - 2t, y = 2 + 5t, z = -3t parallel to the plane 2x + y - z = 8? Give reasons for your answer.
No, the line x=1-2t, y=2+5t, z=-3t is not parallel to the plane 2x+y-z=8 as their dot product is not zero.
To determine if the line x = 1 - 2t, y = 2 + 5t, z = -3t is parallel to the plane 2x + y - z = 8, we can find the direction vector of the line and check if it is orthogonal to the normal vector of the plane.
The direction vector of the line is given by the coefficients of t in each component, which is (-2, 5, -3).
The normal vector of the plane is given by the coefficients of x, y, and z in the plane's equation, which is (2, 1, -1).
To check if the direction vector is orthogonal to the normal vector, we can take their dot product and see if it is zero:
(-2, 5, -3) * (2, 1, -1) = -4 + 5 + 3 = 4
Since the dot product is not zero, the direction vector of the line and the normal vector of the plane are not orthogonal, which means the line is not parallel to the plane.
The line x = 1 - 2t, y = 2 + 5t, and z = -3t is not parallel to the plane 2x + y - z = 8, hence the answer is no.
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Klein reads 30 pages of a book on Monday and 1/8th of the book on tuesday.He completed the remaining 1/4th jf gbe book on Wednesday. How many pages are there in the book?
How many pages are there in the book: The total number of pages in the book is 48.
Give the total number of pages accessing the book = x.
On Monday, he read 30 pages.
On Tuesday, he read 1 / 8 the total pages i.e. x / 8
On Wednesday, he read the excess 1 / 8 of the total pages i.e. x / 4
In this way, we have a relationship,
30 + x /8 + x / 4= x
i.e. 240 + x + 2x / 8 = x
i.e. 240 + 3x = 8x
i.e. 5x = 240
i.e. x = 48
Subsequently, the total number of pages in the book is 48.
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I need help with this question please and thank you .
Step 1: \(6.3^2+x^2=15.4^2\)
Step 2: \(x^2=15.4^2-6.3^2\)
Step 3: \(x=\sqrt{15.4^2-(6.3)^2}\)
Step 4: \(x=14.05\)
If we sample from a smali frite population whout replacement, the binomial distrbution should not be used because the evens are not indeptndent if sampling is done without roplacenent and the outcomes belong to one of two types, we can use the hypergwometric distrbuton. if a population has A cliects of one fype. while the femsning 8 objects are of the other fype, and if n ceipets are sampled without replacement, then the probabily of geting x objects of ypeA and n−x objects of bpe B under the hypergeonetric districution is given by the following formula. In a loeery game, a bettor selects six nimbers from 1 to 47 (without repettion), and a winning wx-ewmber combination is tater randomily selected. Find the probabalses of geting exacty four winning numbers with one ticket. (Pint: Use A=6,B=41,n=6, and x=4 ) P(x)= (A−x)⋅x)
A
+ (B−n+x) (n−x)
B∣
+ (A+B−N) ′n!
(A+B)
P(4)= (Round to four decimal places as needed)
The probability of getting exactly 4 winning numbers with one ticket is 0.0779.
The hypergeometric distribution is a probability distribution that describes the probability of getting a certain number of successes in a sample of fixed size, without replacement, from a population where the successes and failures are known.
In this problem, we are told that a lottery game has 6 winning numbers out of 47 total numbers. We are also told that a bettor selects 6 numbers from 1 to 47 (without repetition), and that a winning 6-number combination is later randomly selected. We want to find the probability of getting exactly 4 winning numbers with one ticket.
The probability of getting exactly 4 winning numbers with one ticket can be calculated using the hypergeometric distribution. The formula for the hypergeometric distribution is:
P(x) = \frac{(A-x)\binom{B}{n-x}\binom{A+B-N}{n}}{\binom{A+B}{n}}
where:
A is the number of successes in the population
B is the number of failures in the population
n is the sample size
x is the number of successes in the sample
N is the population size
In this problem, we have:
A = 6 (number of winning numbers)
B = 41 (number of non-winning numbers)
n = 6 (sample size)
x = 4 (number of winning numbers in the sample)
N = 47 (population size)
Plugging these values into the formula, we get the following probability:
P(4) = \frac{(6-4)\binom{41}{2}\binom{47-4}{6}}{\binom{47}{6}} = 0.0779
Therefore, the probability of getting exactly 4 winning numbers with one ticket is 0.0779.
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I can't understand. Please help
Answer:
Step-by-step explanation:
i.
(10y+x) - (10x+y) = 63 ---> This subtracts the original from the number with the reversed digits, and makes it equal to 63, so the number increases by 63
y - x = 7 ---> We have to prove this is true, so put it into the original equation
y = 7 + x ---> manipulate the above equation, and substitute it into the original equation
[10 (7 + x) + x] - [10x + (7 + x)] = 63
(70 + 11x) - (11x + 7) = 63
63 = 63 ---> Solve the equation, and because it comes out to be true, you proved that y - x = 7
ii. a.
(10x + y) + (10y + x) = 99 ---> The sum of the original and reversed numbers
x + y = 9
y = 9 - x ---> substitute this into the original equation
[10x + (9 - x)] + [10 (9 - x) + x] = 99
(9x + 9) + (90 - 9x) = 99
99 = 99
ii. b.
infinitely many solutions
If the area to the right of x in a normal distribution is 0.65, what is the area to the left of x? *
(5 Points)
0.65
0.35
0
0.45
A staircase has an angle of elevation of 28° anı
covers a total distance of 17 feet. What is the
horizontal length covered by the staircase?
Hi there!
We can use right-triangle trigonometry to solve.
We are given the HYPOTENUSE and ADJACENT sides, so we must use cosine in this instance.
cosθ = Adjacent/Hypotenuse
We can plug in what is given:
cos(28) = A/17
Solve for 'A':
17cos(28) = 15.01 ft
solve the equation 9z-5-4z= -5
Answer:
z = 0
Step-by-step explanation:
Step 1: Write equation
9z - 5 - 4z = -5
Step 2: Solve for z
Combine like terms: 5z - 5 = -5Add 5 to both sides: 5z = 0Divide both sides by 5: z = 0Step 3: Check
Plug in x to verify it's a solution.
9(0) - 5 - 4(0) = -5
0 - 5 - 0 = -5
-5 = -5
Answer:
z=0
Step-by-step explanation:
First, let's combine like terms (9z and -4z). When we add these two values, we get 5z. This leaves the left side to be 5z-5 and that is equal to -5. To get z by itself, we have to add 5 on both sides. This equals 5z=0. Then, we divide by 5 on both sides since the inverse operation of multiplication is division. This leaves z=0.
What is 20% less than 18.5?
Answer:
15.5
Step-by-step explanation:
Answer:
14.8
Step-by-step explanation:
20% less than 18.5 is 14.8
say you continually sample from some i.i.d. uniformly distributed (0, 1) random variables until the sum of the variables exceeds 1. how many times do you expect to sample?
With m′x=mx, xmx is differentiable. Since m0=1, mx=ex for every x 1 and E(N)=m1=e specifically.
What are random variables?A quantity or item that depends on random events is formalized mathematically as a random variable, also known as a random quantity, aleatory variable, or stochastic variable.
It is a mapping or function from potential outcomes, such as the potential heads or tails of a coin flip.
This graph demonstrates how random variables are a function of real values and all conceivable outcomes.
It also demonstrates how probability mass functions are defined using random variables.
Informally, randomness usually denotes some basic element of chance, like as the roll of a die, and it may also denote uncertainty, such as measurement mistake.
Hence, With m′x=mx, xmx is differentiable. Since m0=1, mx=ex for every x 1 and E(N)=m1=e specifically.
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The perimeter of a square field is 900 m. Find its area.
Answer:
Given perimeter=900m
So each side = 900/4
= 225
as area of square = side^2
=225^2
=50,625 meters
What is the solution to this system of linear equations? x y = 4 x − y = 6.
Answer:
Step-by-step explanation:x y = 4 x - y = 6 = get you some b1tc1es
What is the expression represent of the area of this rectangle?
Answer:
28x^2
Step-by-step explanation:
5+5+9+9 = 28
The Wooly Wonder Company makes t-shirts and hats. It makes a profit of $4 on t-shirts and $5 on hats. It takes 10 minutes to print a shirt and 15 minutes to dry it. It takes 16 minutes to print a hat and 12 minutes to dry it. There are 20 hours (1200 minutes) of time available for printing and 20 hours available to dry them. How many of each should be made to maximize profits, and what is that profit?
Answer:
To maximize profits;
96 t-shirts should be produced
85 hats should be produced
The profit from the t-shirts is $348
The profit from the hats is $425
Step-by-step explanation:
The given information are;
The amount of profit per t-shirt = $4
The amount of profit per t-shirt = $5
The time it takes to print a t-shirt = 10 minutes
The time it takes to dry the printed t-shirt = 15 minutes
The time it takes to print a hat = 16 minutes
The time it takes to dry the printed hat = 12 minutes
The amount of time available for printing = 20 hours = 1200 minutes
The amount of time available for drying = 20 hours = 1200 minutes
Therefore, we have;
The total number of t-shirts that can be printed in 20 hours = (The amount of time available for printing)/(The time it takes to print a t-shirt)
The total number of t-shirts that can be printed in 20 hours = (1200 minutes)/(10 minutes)
The total number of t-shirts that can be printed in 20 hours = 120 t-shirts can be printed
The total number of t-shirts that can be dried in 20 hours = (The amount of time available for drying the t-shirts)/(The time it takes to dry a t-shirt)
The total number of t-shirts that can be dried in 20 hours = (1200 minutes)/(15 minutes) = 80 t-shirts can be dried
The total number of hats that can be printed in 20 hours = (The amount of time available for printing)/(The time it takes to print a hat)
∴ The total number of hats that can be printed in 20 hours = (1200 minutes)/(16 minutes) = 75 hats can be printed
The total number of hats that can be dried in 20 hours = (The amount of time available for drying the hats)/(The time it takes to dry a hat)
∴ The total number of hats that can be dried in 20 hours = (1200 minutes)/(12 minutes) = 100 hats
Therefore, given that only 80 t-shirts can be dried in 20 hours, we have;
The total number of t-shirts to be produced = 80 t-shirts
The profit made from the shirts is 80 × $4 = $320
Also, given that only 75 hats can be dried in 20 hours, we have;
The total number of t-shirts to be produced = 75 hats
The profit made from the shirts is 75 × $5 = $375
However, to maximize profit, we have;
Total time to print and dry the t-shirts = 1200 + 1200 = 2,400 minutes
Therefore, whereby X number of t-shirts can be produced in the total time, we have;
10·x + 15·x = 2,400 minutes
25·x = 2,400 minutes
x = 2,400 minutes/25 = 96 t-shirts should be produced
Profit = $4 × 96 = $348
Similarly, for the hat, we have;
16·x + 12·x = 2,400 minutes
28·x = 2,400 minutes
x = 2,400 minutes/28 ≈ 85 hats should be produced (rounding down)
Profit = $5 × 85 = $425.
the sum of three segments measures 82 cm. The first is 4/9 of the second and the third exceeds the second by 16 cm. Calculate the size of each segment
The length of the line segments are 12 cm , 27 cm and 43 cm
What are line segments?A line segment is bounded by two distinct points on a line. Or we can say a line segment is part of the line that connects two points. A line has no endpoints and extends infinitely in both the direction but a line segment has two fixed or definite endpoints.
Given here total measure of the segments is 82 cm. Let the measure of the second segment be x then as per question we have
4x/9+ x + x+16=82
22x/9+16=82
22x/9=66
x = 27 cm
Hence, the length of the segments are 12 cm , 27 cm and 43 cm
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Bella brought candy to give
to 12 of her friends.
Each friend received 4
pieces of candy.
How many pieces of candy
did she bring to school?
Write an equation to determine how many pieces of candy Bella brought to
school?
PLEASE HELP
Answer:
1. 48
2. 12 x 4 = 48
Step-by-step explanation:
Bella has 12 friends and gave each of them 4 pieces of candy. So to find out how much candy she had, you have to multiply the friends by the candy she gave them.
a(x+b)-c=d
solve the following equation for x
At one time, the British advanced corporation tax system taxed British companies' foreign earnings at a higher rate than their domestic earnings. This was put in place to ______.
At one time, the British advanced corporation tax system taxed British companies' foreign earnings at a higher rate than their domestic earnings.
This was put in place to discourage multinational corporations from artificially shifting profits earned in the UK to low-tax jurisdictions. The policy was aimed at preventing companies from avoiding tax by moving profits out of the UK and into tax havens. By imposing a higher tax rate on foreign earnings, the UK government hoped to make it less attractive for companies to engage in profit-shifting practices.
The policy was controversial and faced criticism from some business groups, who argued that it placed an unfair burden on companies operating overseas. However, the government defended the policy as necessary to ensure that companies paid their fair share of tax in the countries where they operated. Eventually, the policy was replaced by a territorial tax system, which only taxes companies on their profits earned in the UK. This change was made to simplify the tax system and make it more attractive for companies to invest in the UK.
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Joe is wrapping a birthday present in a box that is 21 inches long, 14.5 inches wide, and 9 inches high. All sides of the box must be covered. What is the surface area that must be covered by wrapping paper? *
Answer:
2740.5
Step-by-step explanation:
This is what I got why I did was multipley them
Answer:
2740.5
Step-by-step explanation:
This is what I got when I multipled
Twenty caravans are traveling across the desert one day apart. The first caravan reached the oasis, and the camels drank half of the water in the pool. On the second day, the second caravan reached the oasis, and the camels drank one-third of the water that was left. On the third day, the camels in the third caravan drank one-quarter of the water that was left. On the first day, the pool contained 1050 m³ of water. How much water was left after the 20th caravan passed through?
The water that was left after the 20th caravan passed through the pool is 50 m³. Using fractions, the required value is obtained.
What are fractions?A fraction is a rational number that has the required part and whole part of an object.
Calculation:It is given that,
The total volume of the water in the pool is W = 1050 m³
Twenty caravans are traveling across the desert one day apart.
1) On the first day, the camel consumed half of the water in the pool.
Then we can write, water consumed by the camels on the first day = 1/2 × W
So, the remaining water left in the pool = W - W/2 = W/2 ...(i)
2) On the second day, the camel consumed one-third of the water in the pool.
Then, water consumed by the camels on the second day = 1/3 × W/2 = W/6
So, the remaining water left in the pool = W/2 - W/6 = 4W/12 = W/3 ...(ii)
3) On the third day, the camel consumed one-quarter of the water in the pool.
Then, water consumed by the camels on the third day = 1/4 × W/3 = W/12
So, the remaining water left in the pool = W/3 - W/12 = 3W/12 = W/4 ...(iii)
From (i), (ii), and (iii) we can observe that the denominator of the remaining water volume is increased by 1 every next day.
I.e., the general form we can write here is W/(n + 1)
Where W - the volume of the water; n - the number of days it reaches the pool.
Thus, on the 20th day, the camels will consumed the remaining water. I.e.,
The remaining water left in the pool = W/(20 + 1) = W/21
But we have W = 1050 m³
On substituting,
The remaining water left in the pool after the 20th caravan passed through = 1050/21 = 50 m³
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