The fence's shortest overall length is 808 meters.
Describe the rectangle.
A quadrilateral having all four interior angles at 90 degrees is a rectangle.
Given that the square field has an area of 800 m2.
Let the rectangle's length and breadth be x and y.
The rectangle's area is then:
A= xy
Or, xy = 800
x = 800/y (1) (1)
The triangle's perimeter is:
2x +2y
The total length of the fence is equal to the perimeter of the triangle plus twice the length or width of the triangle since the fence divides the triangle into three equal portions.
Consequently, the fence's overall length is:
L = 2x + 2y + 2x
L = 4x +2y
the equation above with x = 800/y as a replacement:
L = 4(800/y) + 2y
L = 3200/y +2y (2)
Differentiate the equation with respect to y:
L' = -3200/y² +2
Substitute L'= 0 into the above equation:
0 = -3200/y² + 2
y² = 3200/2
y² = 1600
y = 400
Substitute y = 400 into equation (2):
L = 3200/400 + 2(400)
L = 8 + 800
L = 808
Hence, The fence's shortest overall length is 808 meters
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Endoscopic retrograde cholangiopancreatography (ERCP), with sphincterotomy/papillotomy with radiological supervision and interpretation. Assign the CPT code.
For the treatment of issues with the bile and pancreatic ducts, endoscopic retrograde cholangiopancreatography (ERCP) combines upper gastrointestinal (GI) endoscopy and x-rays.
ERCP is a procedure that doctors utilize to treat bile and pancreatic duct issues. If they want to treat issues during the procedure, medical professionals also utilize ERCP to identify issues with the pancreatic and bile ducts. Instead of using ERCP for diagnosis alone, clinicians may choose to use noninvasive tests, which do not physically enter the body. Noninvasive procedures like magnetic resonance cholangiopancreatography (MRCP), a form of magnetic resonance imaging (MRI) NIH external link, are less dangerous and can also identify a wide range of issues with the bile and pancreatic ducts.
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 Which statement is true about the transformation of segment AB?
0 a
O b
0 c
0 d
AB is reflected over the y-axis and is congruent to the image.
AB is translated 2 units left and is congruent to the image
AB was reflected over the x-axis and is not congruent to the image.
AB is rotated around the origin clockwise and is not congruent to the image
The statement that is true about the transformation of segment AB is;
AB is reflected over the y-axis and is congruent to the image.
What is the reflection transformation used?A reflection is a type of transformation that behaves like a mirror. Thus, It swaps all pairs of points that are on exactly opposite sides of the line of reflection. The line of reflection can be defined by an equation or by two points it passes through.
Now, the transformation rule for reflection about the y-axis is;
(x, y) = (-x, y)
In this graph, it is exactly a reflection about the y-axis and as such we can say that option A is the correct answer.
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Biologists use a formula to estimate the mass of amammal's brain. For a mammal with a mass of m grams, theapproximate mass B of the brain, also in grams, is given byB=em. Find the approximate mass of the brain of a mousethat has a mass of 64 grams.
The approximate mass of the brain of a mouse that has a mass of 64 grams is 2 grams
We have been given:
Weight: 64 grams
The mouse's brain's approximate mass must be determined.
This inquiry is based on the calculation used to determine an object's mass of an animal brain.
Let B represent the estimated brain mass in grams and m represent the brain mass of a mammal in grams.
By applying the method to determine a mammal's brain mass,
[tex]B=\frac{1}{8} m^{\frac{2}{3} }[/tex]
Taking into account that m = 64 grammes,
[tex]B=\frac{1}{8}(64)^{\frac{2}{3} }[/tex]
[tex]B=\frac{1}{8}(4^{3} )^{\frac{2}{3} }[/tex]
B = 16/8
B = 2 grams
Consequently, a mouse's brain weighs around 2 grams.
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Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 145
millimeters, and a variance of 49
.
If a random sample of 34
steel bolts is selected, what is the probability that the sample mean would differ from the population mean by more than 2.6
millimeters? Round your answer to four decimal places.
The probability that the sample mean would differ from the population mean by more than 2.6 mm is 0.0152.
What is probability?Probability is a way to gauge how likely something is to happen. According to the probability formula, the likelihood that an event will occur is equal to the proportion of positive outcomes to all outcomes. The probability that an event will occur P(E) is equal to the ratio of favorable outcomes to total outcomes.
Given the mean diameter of the bolt = 145 mm
variance = 49
random sample = 34
to find the probability when the population mean by more than 2.6 mm
calculating probability by z-score
z = (x - μ)/σ
σ = √(varience/n)
σ = √(49/34)
σ = 1.2004
and x - μ = 2.6
substitute the value in the formula,
z = 2.6/1.2004
z = 2.1659
so P(x - μ < 2.6) = 0.98484
and P(x - μ > 2.6) = 0.015158 = 0.0152
Hence probability is 0.0152.
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Write a number in wich the value of the 6 is one tenth the value of the 6 in 35,629
Answer:
101,168
Step-by-step explanation:
The value of 6 in the given number 35,629 is the hundreds value.
35,629.
You are trying to find a number in which the number 6 is in 1/10th of the value of the original number. In this case, divide the hundreds value by 10:
100/10 = 10
Place the value 6 in the tens digit place value for any number.
101,168 can be a answer choice.
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Does the age at which a person has their first child determine their happiness within their marriage?
Answer:
I don't really think so but it will really show you how your partner is with kids and how well they will handle it
Step-by-step explanation:
Finding unknown measures in similar triangles
- how do i do the problem?
The required value of x in a similar triangle is given as x = 24.
What are Similar triangles?Similar triangles are those triangles that have similar properties,i.e. angles and proportionality of sides.
Here,
As both the triangles are similar,
AB / XY = BC / ZY
x /18 = 16/12
x = 4/3 × 18
x = 24
Thus, the required value of x in a similar triangle is given as x = 24.
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What is the domain of function ?
-8
O
~
D. -5 ≤
3
40-
OA
-00 < # < ∞
OB. 3 ≤ z < 00
O C.
-00 < z≤-5
≤ 3
30-
20-
10-
-10-
-20-
-30-
-40-
6
8
X
Answer:
A. -infinity < x < +infinity
Step-by-step explanation:
the domain is the interval or set of all valid x (function input) values.
The CPI is currently published with a reference value of 100 for the years 1982-1984. Assume the CPI were recalculated with 1995 as the reference year. Then the CPI for 2008 would be
a. the same (215.3) as it is with 1982-1984 as the reference period. b. higher than 215.3
c. lower than 215.3
The answer is c. lower than 215.3. If the CPI were recalculated with 1995 as the reference year, then the CPI for 2008 would be lower than 215.3.
This is because the CPI is calculated based on the cost of goods and services relative to the cost of the same goods and services in the reference year.
Since prices have generally increased since 1995, the cost of goods and services in 2008 will be higher than the cost of the same goods and services in 1995. Therefore, the CPI for 2008 will be lower than the CPI for 1995, which is currently 215.3.
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The length of a living room is 12 feet and its width is 1012feet. The length of the room is being expanded by x feet. Select all the expressions that represent the area of the living room in square feet.
A. 10.5(12x) square feet
B. (10.5 + 12 + x) square feet
C. 10.5(12 + x) square feet
D. 126x square feet
E. (126 + 10.5x) square feet
F. (22.5 + x) square feet
The required expression that represents the area of the extended living room is 10.5(12 + x) square feet and (126 + 10.5x) square feet. Options C and E are correct.
What are equation models?The equation model is defined as the model of the given situation in the form of an equation using variables and constants.
here,
The length of a living room is 12 feet and its width is 10 1/2 [10.5]feet.
The new length of the living room = 12 + x
Area of the extended living room,
= 10.5{12+x} [since area= length × width]
= 126 + 10.5x
Thus, the required expression that represents the area of the extended living room is 10.5(12 + x) square feet and (126 + 10.5x) square feet. Options C and E are correct.
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Personal observation allows a system analyst to verify statements made in interviewers and determine whether procedures really operate as they are described.
True/False
True. Personal observation permits a system analyst to confirm the veracity of comments provided by interviewees and to establish if procedures run as reported.
About ObservationPersonal observation enables the analyst to gather firsthand information about the procedures and operations being used in an organization. This information can then be compared with what was stated during the interviews to verify the accuracy of the statements made. By observing the actual processes, the analyst can identify any discrepancies or areas for improvement, allowing for a more comprehensive and effective analysis.
The ease of learning and implementation of personal observation as a method for system analysis can vary depending on several factors such as the complexity of the system, the experience and training of the analyst, and the availability of resources.
In general, personal observation is a straightforward technique, but it can be time-consuming and requires careful planning and execution. The analyst must have strong analytical and observation skills and the ability to identify and document relevant information. Proper training and experience can help make the learning and implementation process smoother.
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20 POINTS FIRST CORRECT ANSEWR WILL BE BRAINYEST
Answer:
Use the vertical line test
Step-by-step explanation:
The vertical line test is a method used to determine if a given relation is a function or not.
If when drawing the vertical line through the graph, it intersects with more than one point, then it is not a function
Find the product AA for the diagonal matrix. A square matrix du 0 0 0 0 0 0 d22 .. A= 0 0 033 0 0 0 0 ... is called a diagonal matrix if all entries that are not on the main diagonal are zero, A -5 0 0-2 0 0 04 5 0 0 0 2 0 AA- 0 0 12 11 Write the system of linear equations in the form Axb and solve this matrix equation for x 2x2 + 3x3 = 24 -X1 + 3x2 X3-11 2x 5x2 + 5x3 42 42 X2 X3 Find x and y. x + 2 6 -5 2x 3-8 y + 2] 7 2y 2x + 6 6 5 7 18 8 3 8 11 (x, y) = X
1) The value of AA is [tex]\left[\begin{array}{ccc}25&0&0\\0&4&0\\0&0&16\end{array}\right][/tex]. 2) By solving the matrix equation, we got [tex]\left[\begin{array}{ccc}x_{1} \\y_{2}\\z_{3}\end{array}\right][/tex] = [tex]\left[\begin{array}{ccc}-131 \\-1\\7\end{array}\right][/tex]. 3) The value of x and y is -4 and 18
1) A = [tex]\left[\begin{array}{ccc}-5&0&0\\0&-2&0\\0&0&-4\end{array}\right][/tex]
AA = [tex]\left[\begin{array}{ccc}-5&0&0\\0&-2&0\\0&0&-4\end{array}\right][/tex] [tex]\left[\begin{array}{ccc}-5&0&0\\0&-2&0\\0&0&-4\end{array}\right][/tex]
AA = [tex]\left[\begin{array}{ccc}(-5)^2&0&0\\0&(-2)^2&0\\0&0&(-4)^2\end{array}\right][/tex]
AA = [tex]\left[\begin{array}{ccc}25&0&0\\0&4&0\\0&0&16\end{array}\right][/tex]
2)We are given x₁ - 2x₂ + 3x₃ = 24
-x₁ + 3x₂ - x₃ = -11
2x₁ - 5x₂ + 5x₃ = 24
Now, AX = B
[tex]\left[\begin{array}{ccc}1&-2&3\\-1&3&-1\\2&-5&5\end{array}\right][/tex] [tex]\left[\begin{array}{ccc}x_{1} \\y_{2}\\z_{3}\end{array}\right][/tex] = [tex]\left[\begin{array}{ccc}24 \\-11\\42\end{array}\right][/tex]
As, AX = B => X = BA⁻¹ --(1)
Here A⁻¹ = (1/|A|)adjA
Where adjA is Adjoint of matrix A
|A| = 1
AdjA = [tex]\left[\begin{array}{ccc}10&7&-7\\3&-1&-2\\-1&1&1\end{array}\right][/tex]
Therefore, A⁻¹ = [tex]\left[\begin{array}{ccc}10&7&-7\\3&-1&-2\\-1&1&1\end{array}\right][/tex]
Using (1)
X = [tex]\left[\begin{array}{ccc}24 \\-11\\42\end{array}\right][/tex][tex]\left[\begin{array}{ccc}10&7&-7\\3&-1&-2\\-1&1&1\end{array}\right][/tex]
[tex]\left[\begin{array}{ccc}x_{1} \\y_{2}\\z_{3}\end{array}\right][/tex] = [tex]\left[\begin{array}{ccc}24 \\-11\\42\end{array}\right][/tex][tex]\left[\begin{array}{ccc}10&7&-7\\3&-1&-2\\-1&1&1\end{array}\right][/tex]
[tex]\left[\begin{array}{ccc}x_{1} \\y_{2}\\z_{3}\end{array}\right][/tex] = [tex]\left[\begin{array}{ccc}-131 \\-1\\7\end{array}\right][/tex]
3) [tex]\left[\begin{array}{ccc}x+2&6&-5\\7&2y&2x\\2x+6&6&-5\end{array}\right][/tex] = [tex]\left[\begin{array}{ccc}2x+6&6&-5\\7&18&-8\\3&-8&11\end{array}\right][/tex]
So, x + 2 = 2x + 6
2x - x = 2 - 6
x = -4
2y = 18
y = 9
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1. Find the 6th term in the geometric sequence where a1= 2 and r= 3
2. Find the 9th term in the geometric sequence where a1= 1/3 and r= 3
1) The 6th term of the geometric sequence is; a₆ = 486
2) The 9th term of the geometric sequence is; a₉ = 729
How to find the nth term of a geometric sequence?The formula for the nth term of a geometric sequence is;
aₙ = a₁rⁿ⁻¹
where;
a₁ is first term
r is common ratio
n is position of term
1) The parameters are;
First term; a₁ = 2
common ratio; r = 3
Thus, the 6th term is;
a₆ = 2 * 3⁶⁻¹
a₆ = 2 * 3⁵
a₆ = 486
2) The parameters are;
First term; a₁ = 1/3
common ratio; r = 3
Thus, the 9th term is;
a₉ = (1/3) * (3)⁸⁻¹
a₉ = (1/3) * 3⁷
a₉ = 729
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How many 3/4 s are in 2?
1. Write a multiplication equation and a division equation that can be used to answer the question.
2. Draw a tape diagram and answer the question.
Use the grid to help you draw, if needed.
Answer:
Step-by-step explanation:
I'll do the first part for you:
The number of 3/4 in 2 is [tex]=2/\frac{3}{4}[/tex]
That is the division equation. Rearrange it to make the multiplication equation. keep...change...flip. Change the division to a multiplication and flip the fraction:
The number of 3/4 in 2 =[tex]=2.\frac{4}{3}[/tex]
Makayla and her children went into a grocery store that sells apples for $0.75 each
and peaches for $1.50 each. Makayla has $15 to spend and must buy no less than 12
apples and peaches altogether. If z represents the number of apples purchased and y
represents the number of peaches purchased, write and solve a system of inequalities
graphically and determine one possible solution.
The system of inequalities's point (4,8), where an is the number of apples and 8 is the number of peaches.
what is inequality ?A pair of expresses or values that is neither equal in mathematics is referred to as an inequality. Thus, inequity results from imbalance. In mathematics, an inequality establishes the connection between two non-equal numbers. Egality and inequality are distinct things. Use the same equal symbol most frequently when two quantities are not equal (). Values of any size can be contrasted using a variety of inequalities. By changing the two faces until only the variables are left, many straightforward inequalities can be solved. However, a variety of factors support inequality: Both sides' negative values are split or added. Exchange the left and the right.
given
The following will be the solution to the expressions:-
0.75a + 1.5y = 15
a + y ≥ 12
To determine the values of a and y, solve both equations.
0.75a + 1.5(12 - a) = 15
0.75a + 18 - 1.5a = 15
-0.75a = -18 + 15
-0.75a = -3
a = 4
y = 12 - 4 = 8
The system of inequalities's point (4,8), where an is the number of apples and 8 is the number of peaches.
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Compare the volume and surface area of a sphere with radius 4 in. with that of a cube with sides measuring 6.45 in
Compare the volume and surface area, it can be said that the volume of the sphere is approximately equal to the volume of the cube, but the cube has a greater surface area.
What is volume?It is the space occupied by a body, it is calculated by multiplying its dimensions, for example: length, height and width.
Information about the problem:
r(sphere) = 4 inl(cube) = 6.45 inUsing the formula of the volume and the surface area of the sphere we get:
v(sphere)= 4/3 (π * r³)
v(sphere)= 4/3 *π*(4)^3 in^3
v(sphere)= 268.08 in^3
Rounding down = 268 in^3
surface area(sphere) = 4*π*r²
surface area(sphere) = 4*π*(4)^2
surface area(sphere) = 201.062 in^2
v(cube)= l³
v(cube)=(6.45)^3
v(cube)= 268.34 in^3
Rounding down = 268 in^3
surface area(cube) = 6*l²
surface area(cube) = 6 * (6.45)^2
surface area(cube) = 249.62 in^2
Therefore:
The volume of the sphere is approximately equal to the volume of the cube, but the cube has a greater surface area.
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Solve this equation
|z+7|=|z-4|
The solutions for the equation |z+7|=|z-4| general is z = -7/2 and z = 11/2.
What are the two cases that has to be considered to solve the equation?To solve the equation |z + 7| = |z - 4|, we consider two cases:
z + 7 = z - 4
z + 7 = -(z - 4)
In the first case, solving for z we get:
z + 7 = z - 4
11 = -4
z = -7/2
In the second case, solving for z we get:
z + 7 = -(z - 4)
z + 7 = -z + 4
2z = 11
z = 11/2
So, the solutions are z = -7/2 and z = 11/2.
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A vehicle owner wants to calculate the total cost of his 2007 jeep compass with a MSRP of $18366. His monthly loan payment is $312.54 for 5 yrs after he puts down a $2000 payment.
A vehicle owner wants to calculate the total cost of his 2007 jeep compass with a MSRP of $18366. His monthly loan payment is $312.54 for 5 yrs after he puts down a $2000 payment.
a) T(m) = 312.54m + 2000
b) $20,752.4 is the total cost of the car.
c) he wound up shelling out almost $2,700 extra in interest.
What is loan payment?The sum of money that has to be paid each week or month to fulfil the loan's requirements. This may be calculated using an amortisation table based on the principal, loan period, and interest rate.
Home purchase loans, vehicle loans, personal loans, and several student loans are typical examples. You may borrow and pay back money again using revolving loans. Secured loans, like house loans, are the least expensive loans in India. Although the utilisation is limited, they have low interest rates. For instance, you are only eligible for a house loan if you are purchasing a home.
Let,
m = number of months he has made payments on the car
T(m) = total amount paid after m months
a)
The states that he makes a loan payment of $312.54 every month.
It also states that he made a $2,000 down payment.
Thus, T(m) = 312.54m + 2000
This means that at m = 0 months, the total paid is just the down payment ($2,000), which makes sense.
After 1 month (m = 1), the total is the down payment plus 1 month's payment of $312.54.
b)
The loan amount is for 5 years.
Since there are 12 months in a year, that's a total of 12 × 5 = 60 payments he'll be making.
So, the total cost of the car will be figured out when m = 60.
T(60) = (312.54 × 60) + 2000 = $20,752.4
c)
The interest paid will be the total amount he's paid on the car minus the MSRP (i.e. how much it would have cost if he had just paid cash upfront).
Interest paid = Total Paid - MSRP = $20,752.4 - $18,366.00 = $2,386.4
For paying off the car in small increments over a long period of time,
he wound up shelling out almost $2,700 extra in interest.
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Which expression is equivalent to (x2y)3 • x3? A. x5y3 B. x6y3 C. x9y3 D. x18y3
Answer:
B X^6 Y^3
Step-by-step explanation:
Complete these sequences:
15,20,30,_,65,_,120
106,99,91,_,72,_49
Answer:
1. 45
2. I think 19 ( not entirley sure. )
Step-by-step explanation:
Which of these country's have the lowest and highest gas prices the countries are Philippines,USA,India,Qatar,Denmark
Answer: Lowest: Qatar, Highest: Denmark
Hope this helps :)
Step-by-step explanation:
Philippines - About $2.59 per gallon (USD)
USA - About $3.51 per gallon
India- About $4.83 per gallon (USD)
Qatar - About $2.18 per gallon (USD)
Denmark- About $5.93 per gallon
Randy is 20 years old. He has a resting heart rate of 79 bpm. What is his target heart rate range(this should be 2 numbers spanning a range)? For example 70-170 bpm.
Answer:
100-170 bpm
Step-by-step explanation:
Please help me with this question.
The domain of function U(x) = x √(1-x²/a²) is x = a or x = 0. The function of U(x) is an odd function. When a = 1, the plot function is as the attached graph below. The optimum point of the function is x = 1/2 a.
The domain of function U(x) can be find by making U(x) equals to 0:
U(x) = x √(1 - x²/a²) = 0
U(x) = √x² - x⁴/a² = 0
U(x) = x - x²/a = 0
x - x²/a = 0
ax - x² = 0
x² - ax = 0
x (x - a) = 0
x = 0 or x = a
The function of U(x) is an odd function because its biggest order is 2.
If a = 1, then the value of U(x) would be:
U(x) = x √(1 - x²/a²)
U(x) = x √(1 - x²/1)
U(x) = x - x²
x = a = 1
U(x) = 1 - 1
U(x) = 0
The graph is as attached below
The critical point of U(x) function can be determined by differentiate the function equals to 0.
U(x) = x - x²/a
U'(x) = 1 - [(2ax - 0)/a²] = 0
U'(x) = 1 - 2x/a = 0
2x/a = 1
x = 1/2 a --> optimum point
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The domain of the function is x < a
The function is oddThe critical points are x = ±1 and x = ±1/√2The domain of the functionGiven that
U(x) = x√(1 - x²/a²) where a > 0
Set the radicand greater than or equal to 0
1 - x²/a² > 0
So, we have
1 > x²/a²
Rewrite as
x²/a² < 1
This gives
x² < a²
Take the square roots
x < a
This represents the domain
The function typeWe have
U(x) = x√(1 - x²/a²) where a > 0
For even function;
U(x) = U(-x)
For odd function
U(-x) = -U(x)
So, we have
U(-x) = -x√(1 - (-x)²/a²)
U(-x) = -x√(1 - x²/a²) ---- not an even function because U(x) ≠ -U(x)
U(x) = x√(1 - x²/a²) ---- an odd function because U(-x) = -U(x)
Hence, it is neither
The graph of the function when a = 1See attachment
The critical pointsThe critical points are points where the function is defined and its derivative is zero or undefined
We have
U(x) = x√(1 - x²/a²)
a = 1
U(x) = x√(1 - x²)
Using a graphing tool, we have the critical points to be
x = ±1 and x = ±1/√2
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what is the numeral succeeding of 777 base 8
The numeral succeeding of 777₈ is given by the equation A = 1000₈
What is an Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the numeral succeeding of 777₈ be A
Now , the equation will be
Now , base numbers work exactly the same as base 10 numbers
The same works with any other base number, take for example the base 8 number. When counting in base 8, we only have 7 digits available: (0,1,2,3,4,5,6,7) So when 0-{8},each the digit 7, we go immediately to 10
So ,
The decimal number of 777₈ = 511₁₀
So , the base 8 number of 512₁₀ A = 1000₈
Hence , numeral succeeding of 777₈ is 1000₈
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Find the function value, If possible.
Answer:
Step-by-step explanation:
(a) f(-4) = 15
since x < -1
the function will be :-
-5x - 5
= -5(-4) - 5
= 20 - 5
= 15
(b) f(-1) = -2
since x >= -1
the function will be:-
x^2 + 2x - 1
= (-1)^2 +2(-1) - 1
= 1 - 2 - 1
= -2
(c) f(1) = 2
since x >= -1
the function will be:-
x^2 + 2x - 1
= (1)^2 + 2(1) - 1
= 1 + 2 - 1
= 2
The cost of manufacturing skis is $4000 for startup costs and $85 per pair of skis manufactured. The equation that describes the cost of manufacturing n pairs of skis is
C=85n+4000. Graph this equation for 0 sn S 2000.
O
D
Solution
40k
420-
1800
2000
FA
WebAssign Graphing Tool
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can use Graph Layers to view and edit its
properties
Answer:
2200
Step-by-step explanation:
Find the equation of a line passing through the point of intersection of lines 2X plus 3Y equals to one and X minus Y +2 equals to zero and parallel to the line joining the points two, three and four, five.
Answer:
y=2x+9
Step-by-step explanation:
Point of intersection of y=3 & x+y=0
Point of intersection of y=3 & x+y=0put x=3 in x+y=0
Point of intersection of y=3 & x+y=0put x=3 in x+y=0x=−3
Point of intersection of y=3 & x+y=0put x=3 in x+y=0x=−3so the point is (−3,3)
Point of intersection of y=3 & x+y=0put x=3 in x+y=0x=−3so the point is (−3,3)2x−y=4
Point of intersection of y=3 & x+y=0put x=3 in x+y=0x=−3so the point is (−3,3)2x−y=4m=2
Point of intersection of y=3 & x+y=0put x=3 in x+y=0x=−3so the point is (−3,3)2x−y=4m=2y−3=2[x+3]
Point of intersection of y=3 & x+y=0put x=3 in x+y=0x=−3so the point is (−3,3)2x−y=4m=2y−3=2[x+3]y=2x+6+3
y=2x+9
A study on the latest fad diet claimed that the amounts of weight lost by all people on this diet had a mean of 22.5
pounds and a standard deviation of 5.9
pounds.
Step 1 of 2 : If a sampling distribution is created using samples of the amounts of weight lost by 72
people on this diet, what would be the mean of the sampling distribution of sample means? Round to two decimal places, if necessary.
The mean of the sampling distribution of sample means is (21.515, 23.485).
What is 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.
Given that a study A study on the latest fad diet claimed that the amounts of weight lost by all people on this diet had a mean of 22.5 pounds and a standard deviation of 5.9 pounds
Sampling is done for 72 people
According to central limit theorem if random samples are taken for large sizes, the sample mean would follow a normal distribution with mean = population mean.
Hence expected mean value of the sampling distribution = 22.5 ±margin of error provided samples are drawn at random
Here, 1+72% =1.72
Margin of error = 1.72(5.9/√106) =0.985
Hence mean of sample would lie between
(22.5-0.985, 22.5+0.985)
= (21.515, 23.485)
Therefore, the mean of the sampling distribution of sample means is (21.515, 23.485).
To learn more about the normal distribution visit:
https://brainly.com/question/14916937.
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What are the five terms of the sequence for a_(1)=-2 and a_(n)=2a_(n-l)+5 if n>=2
Answer:
The five terms of the sequence for a_1 = -2 and a_n = 2a_(n-1) + 5 if n >= 2 are:
a_1 = -2a_2 = 2a_1 + 5 = 2 * (-2) + 5 = 1a_3 = 2a_2 + 5 = 2 * 1 + 5 = 7a_4 = 2a_3 + 5 = 2 * 7 + 5 = 19a_5 = 2a_4 + 5 = 2 * 19 + 5 = 43