The expression for total cost per month is 30(100000+2000f).
What is standard deviation?Standard deviation is the positive square root of the variance. Standard deviation is one of the basic methods of statistical analysis. Standard deviation is commonly abbreviated as SD and denoted by 'σ’ and it tells about the value that how much it has deviated from the mean value.
The standard deviation formula is σ = √∑(xi-μ)²/N
A) The expression for total cost per month
Let the number of flites be f.
Total cost = 30(100000+2000f)
B) The expression for total revenue per month
Rise airlines has the current capacity to fly a mean of 15 flites a day with a standard deviation of 12.
So, total revenue per month
= 30(100000+2000×15)
= $3,900,000
C) Here, σ=12, μ=15, N=60
σ = √∑(xi-μ)²/N
12= √∑(xi-15)²/60
144=(xi-15)²/60
8640=(xi-15)²
xi-15=92.95
xi=108
Therefore, the expression for total cost per month is 30(100000+2000f).
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FILL IN THE BLANK after three steps the average value of the displacement and the average value of the squared displacement are given by ______ and ________ , respectively
After three steps, the average value of the displacement and the average value of the squared displacement are given by zero and two, respectively.
The average value of the displacement is calculated by summing up all the displacement values and dividing by the total number of steps. In this case, the average value will be zero because each step has an equal probability of moving forward or backward, resulting in an average net displacement of zero.
The average value of the squared displacement is calculated by summing up the squares of all the displacement values and dividing by the total number of steps. In this case, the average value will be two because each step has an equal probability of moving two units forward or two units backward, resulting in an average squared displacement of two.
These values can be used to calculate various statistical measures such as the mean squared displacement, which can provide insight into the diffusion of particles or the behavior of random walks.
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f(x) = -9x - 3 ; find f(-7).
Answer:
f(-7) = 60
Step-by-step explanation:
In this problem, we are asked to find the output of the function f(x) when x = -7.
First, substitute -7 in for x.
f(x) = -9x - 3
f(-7) = -9(-7) - 3
Then, simplify the right side of the equation. Remember that a negative times a negative becomes positive.
f(-7) = 63 - 3
f(-7) = 60
give the output signals for the circuit if the input signals are as indicated. a logic circuit with 3 gates and 2 inputs. the circuit will be read from the final output to the inputs. the final and gate has two inputs, the gate has output r. the first input to the final and gate is the output from an or gate. the or gate has two inputs. the first input to the or gate is p. the second input to the or gate is q. the second input to the final and gate is the output from a not gate. the not gate has one input. the input to the not gate is q. input signals: p
The circuit starts at the final AND gate. It has two inputs, one from an OR gate and one from a NOT gate.
The OR gate has two inputs, p and q. If either p or q is high (1), the OR gate will output a high signal. If both p and q are low (0), the OR gate will output a low signal. In this case, we only have the value of p, which is high, so the output from the OR gate is also high.
The NOT gate has one input, q. It inverts the signal, so if q is high (1), the NOT gate will output a low signal (0), and if q is low (0), the NOT gate will output a high signal (1). We don't know the value of q, so we don't know the output from the NOT gate.
Finally, the AND gate takes the outputs from the OR gate and the NOT gate as its inputs. If both inputs are high (1), the AND gate will output a high signal (1). If either input is low (0), the AND gate will output a low signal (0). Since we don't know the output from the NOT gate, we can't determine the output from the AND gate.
So, to summarize, without knowing the value of q, we can't determine the output from the final AND gate.
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assuming an interest rate of 5.4 percent, what is the value of the following cash flows four years from today? year cash flow 1 $ 3,000 2 4,040 3 5,885 4 7,975 multiple choice $23,120.48 $21,291.46 $22,178.61 $22,609.26 $23,631.70
The value of the cash flows four years from today is $22,609.26.
The value of a set of cash flows can be calculated using the present value of an annuity formula. This formula takes into account the time value of money, which states that money has a different value at different points in time due to the opportunity cost of the money. In other words, the money you have today is more valuable than the money you will have in the future.
The present value of an annuity formula is PV = CF / (1 + r)^n, where PV is the present value, CF is the cash flow, r is the interest rate, and n is the number of periods. In this example, the cash flows are $3,000, $4,040, $5,885, and $7,975, the interest rate is 5.4%, and the number of periods is 4. Plugging these numbers into the formula, the present value is $22,609.26. This is the value of the cash flows four years from today.
The value of the cash flows four years from today is $22,609.26.
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The table represents a function.
X
-6
-2
0
3
f(x)
3
1
4
-2
What is f(-2)?
•-3
•-1
• 1
• 3
The value of f(-2) is 1.
What is Function?A function is a relation from a set A to a set B where the elements in set A only maps to one and only one image in set B. No elements in set A has more than one image in set B.
Given is a table of x values and f(x) values corresponding to those x.
When x = -6, f(x) = f(-6) = 3
When x = -2, f(x) = f(-2) = 1
When x = 0, f(x) = f(0) = 4
When x = 3, f(x) = f(3) = -2
So the value of f(-2) = 1.
Hence f(-2) = 1 from the table.
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26% of the employees were willing to pay extra for insurance. The business has 76 employees. How many were not willing to pay extra for insurance?
Answer: 19-20 people
Step-by-step explanation:
I turned 26% into a decimal which is .26 then multiplied it by 76.
A number y decreased. By 10
Answer:
y-10
Step-by-step explanation:
The high temperature today is 7°C higher than twice the high-temperature yesterday. The high-temperature today is –3°C. What was the high-temperature yesterday?
The high-temperature yesterday was -5° C.
What is temperature?Temperature is a degree of hotness or coldness the can be measured using a thermometer. It's also a measure of how fast the atoms and molecules of a substance are moving. Temperature is measured in degrees on the Fahrenheit, Celsius, and Kelvin scales.
Given that, the high temperature today is 7°C higher than twice the high-temperature yesterday.
Let the high-temperature yesterday be x.
The high-temperature today is -3° C.
Now, 2x+7=-3
2x=-10
x=-5
Therefore, yesterday's temperature was -5° C.
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The points (-5, -7) and (1, r) lie on a line with slope 4. Find the missing coordinate r
If the slope of the line is 4, then the value of r is 17.
How to find the value of r?Remember that the slope of a line that passes through the points (x₁, y₁) and (x₂, y₂) is:
a = (y₂ - y₁)/(x₂ - x₁)
Here we know that the slope is 4 and the points are (-5, -7) and (1, r), then we can write:
4 = (r + 7)/(1 + 5)
And now solve that for r:
4 = (r + 7)/6
4*6 - 7 = r
17 = r
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Decide whether the problem can be solved using precalculus or whether calculus is required. If the problem can be solved using precalculus, solve it. If the problem seems to require calculus, explain your reasoning and use a graphical or numerical approach to estimate the solution. -Find the distance traveled in 15 seconds by an object traveling at a constant velocity of 20 feet per second.
The object traveled 300 ft in 15 seconds.
The problem can be solved using precalculus. The distance traveled in 15 seconds can be calculated using the formula d = rt, where d is the distance traveled, r is the rate of speed, and t is the time. In this case, d = 20 ft/sec * 15 sec = 300 ft. Therefore, the object traveled 300 ft in 15 seconds. To calculate this using a graphical approach, we can plot the points (0,0) and (15,300) on a graph. The slope of the line connecting the two points is 20 ft/sec, which is the rate of speed of the object. This confirms that the object traveled 300 ft in 15 seconds.
The object traveled 300 ft in 15 seconds.
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Write the rule to describe the transformation.
C(-2,1), D (2,2), E(-1,-2)
C'(-4,-2), D'(4,4), E'(-2,-4)
For the given transformation C(-2,1), D (2,2), E(-1,-2) to C'(-4,-2), D'(4,4), E'(-2,-4) the rule used is scaling, where the figure is scaled by a factor of 2.
What is transformation?The transformation, or f: X X, is the name given to a function, f, that maps to itself. After the transformation, the pre-image X becomes the image X. Any operation, or a combination of operations, such as translation, rotation, reflection, and dilation, can be used in this transformation. A function can be moved in one direction or another using translation, rotation, reflection, and dilation. A function can also be scaled using rotation around a point.
In the given transformation the coordinated of C', D', and E' are two times the coordinate of C, D, and E.
Thus, For the given transformation C(-2,1), D (2,2), E(-1,-2) to C'(-4,-2), D'(4,4), E'(-2,-4) the rule used is scaling, where the figure is scaled by a factor of 2.
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Answer ASAP.
Which angle and side combinations would make a scalene right triangle?
A. Sides: 68 cm, 68 cm, 97 cmAngles: 45°, 45°, 90°
B. Sides: 32 cm, 67 cm, 74 cmAngles: 26°, 64°, 90°
C. Sides: 20 cm, 62 cm, 76 cmAngles: 13°, 65°, 102°
D. Sides: 90 cm, 90 cm, 90 cmAngles: 60°, 60°, 60°
Answer:
B. Angles 26°, 64°, 90°, hypotenuse 74
Step-by-step explanation:
You want to know which combinations of dimensions form a scalene right triangle.
Right triangleA right triangle has one angle that is 90°. (Eliminates choices C and D.)
Scalene triangleAll side lengths and angles are different from each other in a scalene triangle. (Eliminates choice A.)
Sides 32, 67, and 74 cm, and angles 26°, 64°, 90° will form a scalene right triangle.
__
Additional comment
If more than one side is specified along with two or more angles, the triangle is "overspecified." That is, in all likelihood, the specifications are inconsistent with each other. In general, if the angles in a scalene triangle are integer numbers of degrees, the side lengths cannot be integer numbers of units. That is the case for the so-called right triangle here.
The given side lengths make the largest angle about 89.5°, not 90°. The given angles make the side lengths have irrational values.
Answer:
B
Step-by-step explanation:
Write the equation of the line that passes through the points (1,9)
and (−4,8)
Put your answer in fully simplified point-slope form, unless it is a vertical or horizontal line.
The equation of the line that passes through the points (1,9) and (−4,8) is y= 1/5 x+45.
What is the equation of a line?The general equation of a straight line is y=mx+c, where m is the gradient, and y = c is the value where the line cuts the y-axis. This number c is called the intercept on the y-axis.
The given coordinate points are (1, 9) and (-4, 8).
Here, slope (m)= (8-9)/(-4-1)
m= 1/5
Substitute m=1/5 and (x, y)=(1, 9) in y=mx+c, we get
9=1/5 (1)+c
c=45
Substitute m=1/5 and c=45 in y=mx+c, we get
y= 1/5 x+45
Therefore, the equation of the line that passes through the points (1,9) and (−4,8) is y= 1/5 x+45.
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Answer:
[tex]y=\dfrac{1}{5}x+\dfrac{44}{5}[/tex]
Step-by-step explanation:
To write the equation of the line that passes through the points (1, 9) and (-4, 8), first find its slope.
To do this, substitute the given points into the slope formula:
[tex]\textsf{slope}\:(m)=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{8-9}{-4-1}=\dfrac{-1}{-5}=\dfrac{1}{5}[/tex]
To write the equation of the line, we can use the point-slope form of a linear equation.
[tex]\boxed{\begin{minipage}{5.8 cm}\underline{Point-slope form of a linear equation}\\\\$y-y_1=m(x-x_1)$\\\\where:\\ \phantom{ww}$\bullet$ $m$ is the slope. \\ \phantom{ww}$\bullet$ $(x_1,y_1)$ is a point on the line.\\\end{minipage}}[/tex]
Substitute the found slope m = 1/5 and point (1, 9) into the formula:
[tex]y-9=\dfrac{1}{5}(x-1)[/tex]
Simplify:
[tex]y-9=\dfrac{1}{5}x-\dfrac{1}{5}[/tex]
[tex]y-9+9=\dfrac{1}{5}x-\dfrac{1}{5}+9[/tex]
[tex]y=\dfrac{1}{5}x+\dfrac{44}{5}[/tex]
Therefore, the equation of the line that passes through the points (1, 9) and (-4, 8) is:
[tex]\boxed{y=\dfrac{1}{5}x+\dfrac{44}{5}}[/tex]
To force floating-point output to show the decimal point and trailing zeros, use the ________ manipulator.
To force the output to show the decimal point and trailing zeros of a decimal number use the showpoint, manipulator.
The showpoint function is a manipulator that sets the show point flag, which instructs an output stream to write a decimal point for floating-point output, even if the point is superfluous. This is done by setting the showpoint flag, which is done by setting the show point flag (only zeros appear after the decimal point). More specifically, the calls to the functions.
The distinction between a whole number and the fractional component of a number is denoted by the use of a symbol known as a "decimal point," which can be either a point or a dot. A different name for it is the Decimal Mark. The representation of the decimal point is the (.). In addition to using whole numbers, we frequently work with decimals.
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100 points!!!
Using the image, answer these questions.
1: If m angle Q = 94 degrees, m angle R = 42 degrees, m angle T = 71 degrees, and m angle s = 153 degrees, find m angle W and m angle P
2: What is the scale factor from PQRS to TUVW?
Select the correct response:
7/5
4/7
7/4
5/7
3: Find x
The sum of the measures of the angles in a triangle is 180 degrees, so we have the equation:
m angle Q + m angle R + m angle T = 180
94 + 42 + 71 = 207
The sum of the measures of the angles in the triangle is greater than 180 degrees, so this is not a valid triangle.
Without further information, it is not possible to determine the scale factor from PQRS to TUVW. A scale factor refers to the ratio of corresponding side lengths between two similar figures. In order to find the scale factor, you would need to know the lengths of corresponding sides in the two figures.
can't find x rn
An investor holds two stocks, each of which can rise (R), remain unchanged (U), or decline (D) on any particular day.
Therefore , the solution of the given problem of probability comes out to be probability that Both Rise - 0.06.
How can you figure out probability?The possibilities of a given outcome in an event of sequence of events are referred to as probability.Consider the prices of two stocks as A & B based on the information provided. The following formula will be used to determine the likelihood that both stocks' prices will fall:
Here,
Decline Probability in A and B = PA(D) x PB (D)
Probability of Decline for A and B is -0.2 x 0.3.
Decline probabilities in A and B are 0.06
Now there will be a 100% chance of a price increase.
The likelihood of one rising is given by PA(U) x [PB(R) + PB(D)] + PB(U) x [PA(R) + PA(D)].
Chance of one rising is equal to 0.2 x (0.4 + 0). .3] +0.3 x (0.6+0.2
Chance that one increases is -0.38
For just one price remaining the same, now
One Unchanged Probability = PA (U) x [PB(R) + PB(D)]
[PA(R)+ P1 (D)] +PB(U)
Probability for a Single Unchanged Value is equal to 0.6 x [0.3 +0.3] +0.4 x [0.2+0 .2]
Probability for a Single Unchanged Value: 0.52
the likelihood that both prices will increase,
Both Rising Probability = PA(R)APB (R)
Chance that Both Will Rise 0.2 x 0.3
Chance that both will rise: 0.06
Therefore , the solution of the given problem of probability comes out to be probability that Both Rise - 0.06.
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Find an equation in slope-intercept form for the line . Through (3,2) and (1,3)
Answer:
Step-by-step explanation:
slope= y2-y1/x2-x1 ----> 3-2/1-3 ----> 1/-2 ----> slope=-1/2
slope intercept form is y=mx+b. (b is the y-intercept, and m is the slope.)
y=-1/2x+b
we need to find b so you plug in one of the points and isolate b.
3=-1/2(1)+b
+1/2 on both sides to move it over.
3.5=b
FULL EQN: y=-1.2x+3.5
Which of these statements is true?
The true statements are,
[tex]\overline{WX} \perp ZY[/tex] and [tex]\overline{WX} || AB.[/tex]
[tex]\overline{UV} || \overline{AB}[/tex] and [tex]\overline{UV} || \overline{ZY}[/tex].
What is a transversal?We know when a transversal intersects two parallel lines at two distinct points,
Two pairs of interior and alternate angles are formed such that the measure of interior angles are same and the measure of alternate angles is also the same.
We know perpendicular lines make an angle of 90° at their intersecting point.
And we also know that the distance between two parallel lines is constant.
The line segment WX ⊥ ZY and WX is parallel to AB.
The line segment UV ⊥ WX and UV is parallel to ZY.
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consider the function below.
f(x)=1/x
Evaluate the difference quotient for the given function.simplify your answer
f(x)-f(x)/x-a
The difference quotient for the given function is given by f(x) - f(x)/x - a, which simplifies to -(x-a)/x.
The difference quotient for the given function is given by f(x) - f(x)/x - a, which simplifies to -(x-a)/x. This expression is obtained by subtracting f(x)/x - a from f(x). The numerator is the difference between x and a, while the denominator is x.
The difference quotient for the given function f(x) = 1/x can be expressed as:
f(x) - f(x)/x - a = -(x-a)/x
This expression can be further expanded as follows:
f(x) - f(x)/x - a = [1/x - 1/x] - (x - a)/x
= 0 - (x - a)/x
= -(x - a)/x
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as she is training for the upcoming new york marathon, jaelyn started running 3 to 4 miles daily during the week with an 8-mile distance run on the weekend. after 6 months, she is able to run 4 to 5 miles daily during the week with a 20-mile distance run on the weekend. this is an example of which of the following principles?
Jaelyn is training for the upcoming new york marathon, jaelyn started running 3 to 4 miles daily during the week with an 8-mile distance run on the weekend. after 6 months is- progression
The six fundamental principles in the training are the principle of- distance individual difference, overload, progression, use/disuse, adaptation, specificity.
The principle of progression tells us that to improve performance and fitness there should be a systematic and gradual increase in the intensity with respect to time. This helps in increasing the performance of any athlete without the chances of injury.
So here Barbara has increased running distance up to 25 miles after 6 months of starting training which shows she is following progression principle.
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problem 1 (5 points) determine whether the following statements are true or false about simple linear regression of the form y
FALSE: Finding non-linear correlations between two variables cannot be done using regression.
Explain about the simple linear regression?To determine the association between two quantitative variables, simple linear regression is performed. Simple linear regression can be used to determine:
How strongly two variables are correlated with one another.the dependent variable's value at a particular value of the independent variable.Regression analysis is a mathematical technique for creating predictive models in which one or more existing independent or explanatory factors influence an unknown target variable.
The determination coefficient value serves as a measure of a regression model's fitness.
Thus, finding non-linear correlations between two variables cannot be done using regression is a incorrect statement.
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The complete question is-
Determine if the following statement is true or false:
Regression cannot be used to identify non-linear relationships between two variables.
Safeco growth rate for the future is 8% recent dividends 1.76
What is the value of the stock when the required return is 10%
The value of a 10% stake is given as $88.
The formula for the Gordon growth model is:
Stock Price = Dividend / (Required Yield - Growth Rate)
Substituting the given values gives:
Stock price = 1.76 / (0.10 - 0.08) = 1.76 / 0.02 = $88
What are Stocks
Stocks are documents that prove that someone owns a share of the capital of a company. A person who owns shares has the right to some of the company's assets. For example, if a company issues 1000 shares of stock and a person owns 200 shares in that company, that person actually owns 20% of the assets in that company. Majority shareholders will have control rights over a company.
Shareholders also have the right to receive dividends according to the number of shares they own. The acquisition of these dividends usually depends on the profits of the company and has been regulated in accordance with the company's articles of association.
Issuing shares is one way for companies to get fresh funds or capital for long-term business development. Shares themselves can be traded through the Stock Exchange at prices that change according to company conditions and economic conditions.
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I need this whole paper. Thank you to whoever can get me these answers by 8:20 am 2/3/23
Answer:
The 1. is sufficiently tangent
The 2. is not tangent
Step-by-step explanation:
simplify
3x^2 - 2x+ 1=
X=2
Answer:
3x²–2x+1=0
3x²+x–3x+1=0
(3x²+x)-(3x+1)=0
x(3x+1)-1(3x+1)=0
either (x-1) (3x+1)=0
x=1 or x=-⅓
Solve the following system of inequalities graphically on the set of axes below. State
the coordinates of a point in the solution set.
y> -x-5
y< 2x-8
The solution is: (x,y)= (-1, -6), the graph is given below.
What is inequality?An inequality is a relation which makes a non-equal comparison between two numbers or mathematical expressions.
here, we have,
y> -x-5
y< 2x-8
Solve graphically
See attachment for graph;
Next, determine the intersection points between the two lines
From the attached graph, we have:
(x,y)= (-1, -6)
Hence, the solution is: (x,y)= (-1, -6).
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Find the value of x that makes AABC~ ADEF.
The value of x that makes ABC~ ADEF is 4
How to determine the value of xFrom the question, we have the following parameters that can be used in our computation:
AABC~ ADEF.
So, we have the following equovalent ratio
6 : 2x = 24 : 32
So, we have
2x/6 = 32/24
Make x the subject
So, we have the following representation
x = 6 * 32/(24 * 2)
Evaluate the expression
x = 4
Hence, the value is 4
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In Hypothetical Town, the probability that a teenager in a household has an Android device is 0.74 and the probably that a teenager in a household owns an Apple device is 0.26. A family has two teenagers. If X is the number of teenagers who own an Apple device, find the probability that the family has 0, 1, or 2 teenagers who own an Apple device.
Answer:
The probability of a family having 0 teenagers with an Apple device can be calculated as (0.26)^0 * (0.74)^2 = 0.5356.
The probability of a family having 1 teenager with an Apple device can be calculated as 2 * (0.26) * (0.74)^1 * (0.74)^1 = 0.4428.
The probability of a family having 2 teenagers with an Apple device can be calculated as (0.26)^2 * (0.74)^0 = 0.0676.
Therefore, the probability of a family having 0, 1, or 2 teenagers with an Apple device can be calculated as 0.5356 + 0.4428 + 0.0676 = 1.0.
What can I do to understand the problem, because I don’t get it.
None of the values given in this problem make the equation 2(3 - p) = 4p + 10 true.
How to make the equation true?To obtain the value that makes the equation true, we must solve the equation.
The equation for this problem is defined as follows:
2(3 - p) = 4p + 10.
Applying the distributive property on the left side of the equality, we have that:
6 - 2p = 4p + 10
Isolating the variable p, the result is given as follows:
-2p - 4p = 10 - 6
-6p = 4
6p = -4
p = -4/6
p = -2/3.
Which isn’t any of the presented options in the context of this problem.
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°I NEED HELP!!!°
°Explain why |−3| + |9| represents the distance between the points (−3, −5) and (9, −5).°
The distance between the points (−3, −5) and (9, −5) is the difference in the absolute value of the x-coordinates.
What are coordinates?
A coordinate system in geometry is a method for determining the precise location of points or other geometrical objects on a manifold, such as Euclidean space, using one or more numbers, or coordinates.
Given points are (−3, −5) and (9, −5).
The separation between two points, if the coordinate points are in the same quadrant, is equal to the difference between the larger absolute value and the smaller absolute value of the coordinates.
The distance between the two points is
|9| + |-3|
= 12
Since the x-coordinate of (−3, −5) is negative.
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Woodsmith magazine gave instructions on how to build a pine cupboard. Lumber will be needed for two shelves 11 1/4 inches long, two base sides 12 1/2 inches long, and two door stiles 28 1/8 inches long. Your lumber comes in 6 foot lengths.
a. How many feet of lumber will you need?
You will need 7.104 feet of lumber. (rounded to three decimal places)
There are four basic arithmetic operations in mathematics: addition, subtraction, multiplication, and division.
Among these four procedures, division is one of the most important in our everyday tasks. It is the division of a large group into equal smaller groups.
To find out how many feet of lumber you need, you need to add up the length of all the pieces and then divide by the number of inches in a foot (12).
First, we'll add up the length of all the pieces:
11 (1/4) + 11 (1/4) + 12 (1/2) + 12 (1/2) + 28 (1/8) + 28 (1/8)
= 85 (1/4) inches
Next, we'll convert this total length to feet by dividing by 12:
85 1/4 inches ÷ 12 inches/foot = 7.104 feet
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