Dimensions should he use to maximize the area of the garden should be in length and breadth. Perimeter of rectangle= 2(length + breadth) .
What is Perimeter?The perimeter of any closed shape is its complete length at its border.
The perimeter of an object is the total length enclosing it.
It is the length of any boundary or outline of a two-dimensional geometric object.
The perimeter of various shapes can be the same depending on their sizes.
Take, for instance, a triangle constructed from an L-length cable.
The same wire can be used to make a square if each edge is the same length.
Hence, Dimensions should he use to maximize the area of the garden should be in length and breadth. Perimeter of rectangle= 2(length + breadth) .
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the homeowner should make his rectangular vegetable garden \(31.5\) meters long and \(31.5\) meters wide to maximize the area of the garden.
What is the area of the garden?Let's assume that the length of the rectangle is x meters and the width is y meters.
The perimeter of the rectangle is the sum of all four sides, so we can write:
\(2x + 2y = 126\)
Simplifying this equation, we get:
\(x + y = 63\)
Now, we want to maximize the area of the garden. The area of a rectangle is given by:
\(A = xy\)
We can solve for one variable in the equation above and substitute it in the equation for the perimeter:
\(y = 63 - x\)
\(A = x(63 - x)\)
\(A = 63x - x^2\)
To find the maximum area, we need to find the value of x that maximizes A. We can do this by taking the derivative of A with respect to x, setting it equal to zero, and solving for x:
\(dA/dx = 63 - 2x = 0\)
\(2x = 63\)
\(x = 31.5\)
Now we can substitute this value of x back into the equation for the perimeter to find y:
\(y = 63 - x = 31.5\)
So the dimensions of the rectangle that will maximize the area of the garden are:
\(x = 31.5 m\) and \(y = 31.5 m\)
Therefore, the homeowner should make his rectangular vegetable garden \(31.5\) meters long and \(31.5\) meters wide to maximize the area of the garden.
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If the two figures are congruent, which statement is true?
A. BCDA ≅ FEHG
B. ABCD ≅ EFGH
C. BADC ≅ EFGH
D. ADCB ≅ HGFE
Answer:
A
Step-by-step explanation:
the order of letter should resemble the same shape
Please help me thank you
Answer:
For every one pound there are 16 ounces.
Step-by-step explanation:
We can simply see that by dividing the ounces by pounds, 32/2 = 16, and 48/3 = 16.
Number of ounces: 16, 32, 48, 64, 80, 96
Number of pounds: 1, 2, 3, 4, 5, 6
Will make brainiest if 2 people answer :3
Answer:
1.6
Step-by-step explanation:
12.8/8 = 1.6
15.2/9.5 = 1.6
Scale factor = 1.6
rocket is launched from a tower. The height of the rocket, y in feet, is related to the
time after launch, a in seconds, by the given equation. Using this equation, find out
the time at which the rocket will reach its max, to the nearest 100th of a second.
y=16x^2+ +225x+79
Answer:
7.03 seconds
Step-by-step explanation:
First, you need to differentiate the equation (The derivative of y represents the rocket's velocity):
y' = 32x + 225
Then, set y' to 0 and solve for x
0 = 32x + 225
x = 7.03s
What is the equation of the line of best fit for Aiden’s data? Enter the correct answer in the box by replacing m and b in the equation. Round each number to the nearest tenth.
Answer:
Y= 2.3033x + 160.71
Step-by-step explanation:
The value of the slope m is 2.55 and the y-intercept of the line is 135.
What is a linear equation?A relationship between two or more parameters that, when shown on a graph, produces a linear model. The degree of the variable will be one.
The linear equation is given as,
y = mx + b
Where m is the slope of the line and b is the y-intercept of the line.
From the table, the two points will be (60, 288.1) and (100, 390).
Then the slope of the line will be
m = [(390 - 288.1) / (100 - 60)]
m = 101.9 / 40
m = 2.55
Then the equation of the line will be
y = 2.55x + b
The equation is passing through (100, 390). Then the value of b will be
390 = 2.55 (100) + b
390 = 255 + b
b = 135
Then the equation of the line will be
y = 2.55x + 135
The value of the slope m is 2.55 and the y-intercept of the line is 135.
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Can someone plz help me with this one Problem I will mark BRAINLIEST!!!!
Answer:
the slope is 1 and y-intercept s 4 so:
the first point is (0,4)
then go 1 right and 1 up
keep doing that and brainliest me pls
describe the transformation of f(x) = sin x to g(x) = sin ( x + pi/3)
The function f(x) = sinx will be shift left side by π/3 units and becomes g(x) = sin(x + π/3) and period of the transformed function becomes 2π
What is a function?It is defined as a special type of relationship and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.
We have a primary function:
f(x) = sinx and
The transformed function is:
\(\rm g(x) = sin(x+\frac{{\pi} }{3} )\)
If we replace x to \(\rm x + \frac{\pi}{3}\) it will shift to the left by π/3 units.
For a period of the transformed function is given by:
\(\rm T = \frac{2\pi}{n}\)
Where n is used to find the period of the function.
n = 1
t = 2π
Thus, the function f(x) = sinx will be shift left side by π/3 units and becomes g(x) = sin(x + π/3) and period of the transformed function becomes 2π
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The correct statements about a line segment are; they connect two endpoints and they are one dimensional.
option C and D.
What is a line segment?A line segment is a part of a straight line that is bounded by two distinct end points, and contains every point on the line that is between its endpoints.
The following are characteristics of line segments;
A line segment has two definite endpoints in a line. The length of the line segment is fixed.The measure of a line segment is its lengthThe have one unit of measure, either meters, or centimeters etc.From the given options we can see that the following options are correct about a line segment;
They connect two endpoints
They are one dimensional
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Marco walked 27/100 kilometers to the park.Then he walked 1/10 kilometer to the library. What fraction of a kilometer did he walk in all?
Answer: 37/100
Step-by-step explanation:
The fraction of a kilometer that he walked in all would be the sum of 27/100 and 1/10.
To add them, first find the lowest common multiple of both denominators. This number is 100 so will be the denominator.
Divide 100 by each denominator and multiply it by the numerator:
= (27 + 10) / 100
= 37/100
Note: 100/10 = 10
= 10 * 1 = 10 which is the second numerator.
What do you mean by 3 more than 7?
The statement 3 more than 7 means, a number is 3 more than a given number. Since here the number is 7 so the required number will be 7+3= 10
In numerical more than simply refers to adding and less than refers to subtracting. If it is given that a number let's say Z is Y more than X then the value will be Z= X+Y
If a given number let's say Z is Y less than X then the value of Z will be
Z=X-Y
More than means add which gives us a bigger value. Less than means subtract which gives us a smaller value
So, 3 more than 7 means 7+3 = 10
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One batch of walnut muffins use 1 1/3 cups of walnuts.How many cups of walnuts are needed to 3 3/4 batches of muffins, answers are only 5 cups, 3 3/12 cups, 5 1/12 cups, and 4 cups, there are no 3 1/4 cups
Answer:
5 cups
Step-by-step explanation:
Let us set it up as a fraction.
\(\frac{\frac{11}{3}}{1}=3\frac{\frac{3}{4}}{x}\)
Step 1: Divide the given values
\(\frac{11}{3}\div 1 \\\\=\frac{11}{3}\)
Step 2: Multiply the result by the other value
\(3\frac{3}{4} \\\\3\frac{3}{4} \times \frac{11}{3}\\\\= 13\frac{1}{4}\)
So, with this solution, the answer is \(13\frac{1}{4}\). However, the answer isn't included in the options provided, so that means the answer is 5 cups.
A pail holds 230. 5 ounces (oz) of water when full. The bucket loses 0. 4 oz of water per second. In how many seconds will the bucket be 40% full? Round your answer to the nearest second. Can someone please help
In 345.75 s the bucket be 40% of the full capacity.
given that the bucket loses 0.4 oz of water per second
so at time t total water lose = 0.4t oz
we have initially 230.5 ounces (oz) of water
so total water remaining after t s is given by:
water left = 230.5 - 0.4t
and we have to find the time when total water remaining in the bucket is 0.4*230.5
so 0.4*230.5 = 230.5 - 0.4t
=> 0.4t =0.6 * 230.5
=> t = 1.5 *230.5
=> t =345.75 s
so 345.75 s is required to loss 60% of the total water or to leave only 40% of water in the bucket.
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the odometer readings on a random sample of identical model sports cars are normally distributed with a mean of 120,000 miles and a standard deviation of 30,000 miles. consider a group of 6000 sports cars.approximately how many sports cars will have less than 150,000 miles on the odometer?
Answer:
about 45%
Step-by-step explanation:
it should be right
What is the standard form for the quadratic function? g(x)=(x+1)2−2 g(x)=x2−1 g(x)=x2−2x−4 g(x)=x2+2x−1 g(x)=x2−3
Answer:
x^2 + 2x - 1
Step-by-step explanation:
g(x)=(x+1)2−2 would be a quadratic if you'd write it like this: g(x)=(x+1)^2−2.
This expands to g(x) = x^2 + 2x + 1 - 2 = x^2 + 2x - 1
A 6-foot diameter circle is divided
into six congruent sectors. What
is the area of each sector in square
inches? (Use 3.14 for 2.)
Answer:
the area is 1235
Step-by-step explanation:
Answer:
2714.33 sq in
explanation-
since circle is divided into 6 congruent sectors, area of each sector is 1/6th of area of circle.\(ar \: of \: sector \: = ar \: of \: circle \: \div 6 \\ = \pi \times 72 \times 72 \div 6 \\ = 2714.33\)Question 3 [20 marks] Consider two utility functions u(x) and ˜u(x) where x is the amount of money consumed by the agent.
a) Explain formally what it means that an agent with utility function u is more risk averse than an agent with utility function ˜u.
b) Show that an agent with utility function u(x) = log x is more risk averse than an agent with utility function ˜u(x) = √ x.
a) Formal explanation of risk aversion An agent with utility function u is more risk averse than an agent with utility function ˜u if the former has a higher marginal utility of consumption and a diminishing marginal utility of consumption.
The marginal utility of consumption is defined as the amount of utility gained from an additional unit of consumption.
b) Show that an agent with utility function u(x) = log x is more risk averse than an agent with utility function ˜u(x) = √ x. An agent with utility function u(x) = log x is more risk averse than an agent with utility function ˜u(x) = √ x. To show this, we need to find the Arrow-Pratt coefficient of risk aversion, also known as the coefficient of relative risk aversion. The Arrow-Pratt coefficient of risk aversion is given by :-u''(x)/u'(x)Where u'(x) is the first derivative of u with respect to x and u''(x) is the second derivative of u with respect to x.
The Arrow-Pratt coefficient of risk aversion measures the curvature of the utility function. A higher value of the Arrow-Pratt coefficient of risk aversion indicates greater risk aversion. Let us calculate the Arrow-Pratt coefficient of risk aversion for both functions:-For u(x) = log x, u'(x) = 1/x, and u''(x) = -1/x². Therefore, the Arrow-Pratt coefficient of risk aversion for u(x) is given by:-u''(x)/u'(x) = -1/x² ÷ (1/x) = -x For ˜u(x) = √ x, ˜u'(x) = 1/2√ x, and ˜u''(x) = -1/4x^(3/2). Therefore, the Arrow-Pratt coefficient of risk aversion for ˜u(x) is given by:-˜u''(x)/˜u'(x) = -1/4x^(3/2) ÷ (1/2√ x) = -1/2√ x
Therefore, since -x < -1/2√ x, the agent with the utility function u(x) = log x is more risk averse than the agent with the utility function ˜u(x) = √ x.
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Will give brainlist i really need help!!
Answer:
40 units^2
Step-by-step explanation:
The area of the triangle is
A = 1/2 bh
A = 1/2 ( 8 * 10)
= 1/2 (80)
= 40 units^2
Step-by-step explanation:
a=1/2*b*h
a=1/2*8*10
a=40
NEED HELP!!! 30 POINTS
FIND THE RATIONAL EXPONENT FORM!!
Answer:
Step-by-step explanation:
The root which is 2 is the fractional portion of your exponent
\(\sqrt{x^{7} y^{12} }\)
=\((x^{7} y^{12} )^{\frac{1}{2} }\) >You can distribute 1/2 to each term by multiplying
\(=x^{\frac{7}{2} } y^{6\)
For a normal distribution, the probability of a value being between a positive z-value and its population mean is the same as that of a value being between a negative z-value and its population mean.
For a normal distribution, the probability of a value being between a positive z-value and its population mean is indeed the same as that of a value being between a negative z-value and its population mean.
This is due to the symmetric nature of the normal distribution curve, where probabilities are mirrored around the mean.
The normal distribution is characterized by its bell-shaped curve, which is symmetric around the mean. The mean is also the midpoint of the curve, and the curve approaches but never touches the horizontal axis. The standard deviation of the distribution controls the spread of the curve.
In a normal distribution, the probability of a value being between a positive z-value and its population mean is indeed the same as that of a value being between a negative z-value and its population mean.
This is due to the symmetric nature of the normal distribution curve, where probabilities are mirrored around the mean.
This means that if we have a normal distribution with a mean of μ and a standard deviation of σ, the probability of a value falling between μ+zσ and μ is the same as the probability of a value falling between μ-zσ and μ.
This property of the normal distribution makes it easy to compute probabilities for any range of values, by transforming them into standard units using the z-score formula.
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4.42 × 10–10 4.2 × 1010
Answer:
-105197.8
Step-by-step explanation:
4.42 × 10-104.2 × 1010 = -105197.8
Hope this helps!
Ten children visited Grandma after school for cookies and milk. Grandma divides 1/2 gallon off milk into 10 equal glasses for the children. What fractional part of a gallon of milk does each child receive?
Answer:
Answer should be 1/20
Step-by-step explanation:
can someone help me on this please find X and y
Using substitution and graphical method, the solution to the linear equation (x, y) are (3, 9)
System of Linear EquationThe system of linear equations is the set of two or more linear equations involving the same variables. Here, linear equations can be defined as the equations of the first order, i.e., the highest power of the variable is 1. Linear equations can have one variable, two variables, or three variables.
In this problem, we can either solve it via substitution method or graphical method.
y = 3x ...eq(i)
y = x + 6 ...eq(ii)
From equ(i)
y = 3x; put equation (i) into (ii)
3x = x + 6
collect like term
3x - x = 6
2x = 6
x = 3
Put x = 3 in either eq(i) or (ii)
y = x + 6
y = 3 + 6
y = 9
The solution to the linear equations (x, y) are (3. 9)
Plotting this on a graph, we would have the intersection at (3, 9)
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suppose a frequency distribution has the following consecutive classes: $20 up to $30 $30 up to $40 $40 up to $50 what is the class midpoint for the first class?
Answer:25
Step-by-step explanation:
a pollster wishes to estimate the number of left-handed scientists. how large a sample is needed in order to be 95% confident that the sample proportion will not differ from the true proportion by more than 4%? a previous study indicates that the proportion of left-handed scientists is 8%.
If a pollster wishes to estimate the number of left-handed scientists. The sample that is needed in order to be 95% confident that the sample proportion will not differ from the true proportion by more than 4% is: 176.71.
How to find the sample?Using this formula to find the sample
n =Z²π (1-π) ÷ e²
Where:
n =sample size =?
Z = Z -score for 95% confidence level =1.960
π = Population proportion = 0.08
e = Margin of error = 0.04
Let plug in the formula
n = 1.96² × 0.08 × (1 - 0.08) ÷ 0.04²
n = 3.8416× 0.08 × 0.92 ÷ 0.0016
n = 176.71
Therefore the sample is 176.71.
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Mamadou surveyed 500 of his students in his school about their favorite color students could choose between blue and red 390 students said their favorite color was red what percentage of the surveyed students said they favorite color was red
Answer:
78%
Step-by-step explanation:
a percentage is equivalent to a number over 100.
43% is 43/100
72% is 72/100
87% is 87/100
etc.
to find the percentage of students who said their favorite color is red, we need to set up a cross-multiplication equation
390/500 = ?/100
390 times 100 is 39000
39000/500 = 78
78% of the students said their favorite color is red
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what is the midpoint of a segment in the complex plane with endpoints at 6-2i and -4+6i?
Answer:
1+2i
Step-by-step explanation:
midpoint: (6 + -4)/2 + (-2 + 6)/2 i
= 1+2i
is root 17 a surd.i need an answer to help me out with my maths homework
Answer:
yes
Step-by-step explanation:
A surd is a radical which cannot be simplified
The only factors of 17 are 1 and 17, thus it is a prime number and cannot be simplified, so
\(\sqrt{17}\) is a surd
Desmos "Shelley the Snail"
The linear function in the context of this problem is defined as follows:
y = 18 - 2x.
How to define a linear function?The slope-intercept equation for a linear function is presented as follows:
y = mx + b
The coefficients m and b represent the slope and the intercept, respectively, and are explained as follows:
m represents the slope of the function, which is by how much the dependent variable y increases or decreases when the independent variable x is added by one.b represents the y-intercept of the function, representing the numeric value of the function when the input variable x has a value of 0. On a graph, the intercept is given by the value of y at which the graph crosses or touches the y-axis.When the input is of zero, the output is of 18, hence the intercept b is given as follows:
b = 18.
When the input increases by one, the output decreases by two, hence the slope m is given as follows:
m = -2.
Then the function is given as follows:
y = 18 - 2x.
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Gerard finds that 75 percent of the participants have dropped out of the study. What kind of problem has Gerard encountered in his study
Gerard has encountered a problem with attrition in his study. Attrition refers to the loss of participants or subjects who leave a study before it is completed. It can occur for various reasons, such as illness, death, disinterest, loss of contact with the participants, or other factors.
In Gerard's study, 75 percent of the participants have dropped out. This level of attrition is particularly high and could cause problems with the validity and reliability of the study's findings. When a significant number of participants drop out of a study, it can create biases in the data that remain, which could make it challenging to generalize the findings to the larger population or come to valid conclusions.
Therefore, Gerard must address this issue and determine why such a high percentage of participants have dropped out. To ensure the accuracy of the findings, he may need to replace the missing participants or consider the potential reasons for their departure when analyzing the data.
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If there are 3 feet in 1 yard and 12 inches in 1 foot, how many inches are in 10 yards?
Answer:
360
Step-by-step explanation:
12in x 3feet=36
36in x 10 yard=360