The dimensions of the garden with the largest area she can enclose is 24×14 square yards.
We know very well that the area (A) of the rectangle is given by =Length ×Breadth
The maximum of y=ax²+bx occurs at x = -b/2a
Let assume the length and width of the garden be L and W respectively.
We have given some information like my friend is using same type of fencing for three sides and different type of fencing on the remaining side.
Rate of cedar fencing is $17/yard
So, we can say that she has to pay for cedar fencing = 17W
Rate of cheaper metal fencing is $7/yard
Then she has to pay for metal fencing = 7W+7*2L = 7W+14L
Then according to given condition, total cost paid by my friend is $672.
It means sum of cost of cedar fencing and cost of cheaper metal fencing is $672.
=>17W+7W+14L = 672
=>24W+14L = 672
=>12W+7L = 336
=>7L = 336-12W
=>L = (336-12W)/7
Then the area of the rectangular garden is given by,
A = L×W
So, here after comparison we got that a = -12/7 and b = 48
Then maximum of W occurs at,
W = -48/(2×(-12/7)) = (48×7)/(2×12) = 336/24 = 14
Then maximum width = 14 yards
then length (L) = (336-12×14)/7 = 168/7 = 24 yards
Hence, the dimensions are 24×17 square yards.
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The Number of Shares n (in billions) listen on the New York Stock Exchange (NYSE) from
1977 through 1997 can be modeled by n=93. 4(1. 11)', where t = 0 represents 1990. Find the
ratio of shares listed in 1997 to the shares listed in 1977
The ratio of shares listed in 1997 to shares listed in 1977 is approximately is 1.3145.
The equation provided, n = 93.4(1.11)^t, models the number of shares listed on the NYSE from 1977 through 1997, where t = 0 represents 1990.
To find the ratio of shares listed in 1997 to shares listed in 1977, we substitute t = 20 (1997 - 1977) into the equation and calculate the respective values.
For shares listed in 1977:
n(1977) = 93.4(1.11)^0 = 93.
For shares listed in 1997:
n(1997) = 93.4(1.11)^20 ≈ 122.979
The ratio is then calculated as:
Ratio = n(1997) / n(1977) = 122.979 / 93.4 ≈ 1.3145
Therefore, the ratio of shares listed in 1997 to shares listed in 1977 is approximately 1.3145. This implies that the number of shares listed on the NYSE increased by approximately 31.45% from 1977 to 1997.
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50 pts!
Find the product.
(2x2 - 4x + 1)(5x - 7)
Answer:
10x^3-34x^2+33x-7
Step-by-step explanation:
Help please!!!!!!!!!!!
Answer: x = 12, ∠B = 45°
Step-by-step explanation:
Angle A and Angle B are alternate exterior angles meaning that they are equal
5x - 15 = 2x + 21
3x - 15 = 21
3x = 36
x = 12
B = 2(12) + 21
B = 24 + 21
B = 45
AThe statistic that describes the average distance between the measurements in a frequency distribution and the mean of that distribution is the:
The statistic that describes the average distance between the measurements in a frequency distribution and the mean of that distribution is the mean absolute deviation (MAD).
The MAD measures the dispersion or spread of the data points around the mean. It is calculated by taking the absolute value of the differences between each data point and the mean, summing these absolute differences, and dividing by the number of data points.
Unlike the standard deviation, the MAD does not square the differences, making it easier to interpret. The MAD provides a measure of the variability of the data and is useful in comparing the spread of different data sets.
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this question is too hard
Answer:
There are 33 nuts in the bag, to 21 dried fruits.
Total number of dried fruits is 21, while the total number of nuts is 33.
Step-by-step explanation:
What is the slope of the line that passes through the points (3, 1) and (-2,5)?
A -5/4
B -4/5
C 4/5
D 5/4
T
4) a) On the grid, draw
the line y = 3
b) On the grid, draw
the line x = -2
6
5
4
-3-
2
1-
-3 -2 -1 0
-1-
-2
1
2
3
4
5
Fe
Be
1.
2.
3
4
Answer:
Step-by-step explanation:
A group of friends chartered a deep-sea fishing boat out of destin, fl. the graph below represents the total cost, in dollars, of the trip as a function of the number of people going. graph the group is trying to determine what the price difference would be per passenger if 10 of them go on the trip versus if 16 of them go on the trip. what is the difference in price per passenger for a group of 16 versus a group of 10? $46.25 $36.25 $56.25 $26.25
The difference in price per passenger for a group of 16 versus a group of 10 is $26.25
What is an equation?An equation is an expression that shows the relationship between two or more number and variables.
From the graph:
The cost for a group of 16 friends is $2500, while for a group of 10 friends is $1300.
Cost per passenger for 16 friend = $2500 / 16 = $156.25
Cost per passenger for 10 friend = $1300 / 10 = $130
The difference in price = $156.25 - $130 = $26.25
The difference in price per passenger for a group of 16 versus a group of 10 is $26.25
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Answer:
D) 26.25
Step-by-step explanation:
Got it right on edge
suppose we flip 100 fair coins 6 times each (this time, we are assuming that all 100 coins are truly fair). in expectation, how many coins will end up being heads all 6 times or tails all 6 times?
Answer:
At least 3 times each because 6 divided by 2 = 3.
Step-by-step explanation:
The three represents how many I think it will land on and plus that would mean 50/50 change it can land on tails and heads each 3 times.
-4x – y = 24
Complete the missing value in the solution to the equation.
Answer:
x = -5
y = 1
Step-by-step explanation:
-4(-5)-1=24
25-1=24
24=24
Answer: x= -6, y= 6
Step-by-step explanation:
PLEASE HELP!!!
Which of the following trigonometric expressions is equivalent to the x-
coordinate of the terminal point
Answer:
im pretty sure its (D)
Step-by-step explanation:
Points scored: 9, 4, 13, 11, 12, 5
What is the median of the points scored?
Answer:
10
Step-by-step explanation:
The median is arranged in numerical value.
it goes: 4, 5, 9, 11, 12, 13. The median is basically the number in-between. you would cross out 4 and then 13. next, 5 and 12. Now there's 9 and 11 in the middle and that is what's left. the number in between of 11 and 9 is 10. 10 would be the median of the data set.
Liz is measuring her paper clips. She lines 8 paperclips up along the side of a notebook. The side of the notebook measures 10 2/3. What is the length of each paper clip?
Answer: Each paper clip is \(1\frac{1}{3}\)
Step-by-step explanation:
Simply divide how long the notebook is, by how many paper clips there are, \(10\frac{2}3}\) divided by 8.
hellllllllllllllllllppp please!????????
Answer:
BC = 28
Step-by-step explanation:
Since the triangles are similar then the ratios of corresponding sides are in proportion, that is
\(\frac{BC}{EF}\) = \(\frac{AB}{DE}\) ( substitute values )
\(\frac{BC}{7}\) = \(\frac{16}{4}\) = 4 ( multiply both sides by 7 to clear the fraction )
BC = 4 × 7 = 28
Need help ASAP Currently failing Precal
Could you please show step by step
The sum of the squares of two consecutive positive numbers is 1,105. Find the numbers.
Answer:
23 and 24
Step-by-step explanation:
let the 2 consecutive numbers be n and n + 1 , then
n² + (n + 1)² = 1105
n² + n² + 2n + 1 = 1105 ( subtract 1105 from both sides )
2n² + 2n - 1104 = 0 ( divide through by 2 )
n² + n - 552 = 0 ← in standard form
(n + 24)(n - 23) = 0 ← in factored form
equate each factor to zero and solve for n
n + 24 = 0 ⇒ n = - 24
n - 23 = 0 ⇒ n = 23
However, n > 0 , then n = 23 and n+ 1 = 23 + 1 = 24
the numbers are 23 and 24
A train traveled 1/5 of the distance between two cities and 3/4 of an hour at this rate how many hours will it take the train to travel the entire distance between these 230
Answer:
15/4 or 3 3/4
Step-by-step explanation:
since 1/5 has 1 as a numerator,
5 x 3/4=
15/4
it will take about 3 hours and 45 minutes
The length of time of the school field day was decreased
from 100 minutes to 80 minutes. What is the percent
decrease in length of time of the school field day?
1. The high temperature on a cold winter day was 20°F and the low temperature was -15°F. How much higher was the high temperature than the low temperature?
Answer:
35 degrees higher
Step-by-step explanation:
20-(-15)=20+15=35
Answer:
35°F
Step-by-step explanation:
Subtract the negative number from the positive one.
20 - -15 | Given
20 + 15 | Combine the negative signs to make a positive
35
Amrit’s income is
32
%
more than Bethan’s income.
Amrit and Bethan’s combined income is
£
54
868
.
Calculate Amrit's income.
Amrit's income is £27434.16.
What is the arithmetic operation?
The four fundamental operations of arithmetic are addition, subtraction, multiplication, and division of two or more quantities. Included in them is the study of numbers, especially the order of operations, which is important for all other areas of mathematics, including algebra, data management, and geometry. The rules of arithmetic operations are required in order to answer the problem.
Let the Bethan's income be x
Amrit's income is 32% more than Bethan's income.
So, Amrit's income=x+32%
Amrit and Bethan's combined income is £54868.
According to given question we have
x+x+32%=£54868
2x+32/100=£54868
2x=54868-0.32
2x=54867.68
x=27433.84
Bethan's income=£ 27433.84
Amrit's income
=x+32%
=£ 27433.84+0.32
=£27434.16
Therefore, Amrit's income is £27434.16.
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Hi I need help can u help me
Answer:
Pauls answer is not proportional
Step-by-step explanation:
You cannot make more money in an hour than you do in a day.
Hope it helps c:
Andre rents beach chairs and umbrellas to tourists visiting the beach. On one Saturday, he has 150 customers. If he rents 125 chairs and 72 people rent both chairs and umbrellas, how many people rent umbrellas
There are 97 people who rent umbrellas.
Step 1: Find the number of people who rent only chairs.
Since there are 72 people who rent both chairs and umbrellas, there must be 125 - 72 = 53 people who rent only chairs.
Step 2: Find the total number of people who rent only chairs or only umbrellas.
Since there are 150 customers in total, there must be 150 - 72 = 78 people who rent either only chairs or only umbrellas.
Step 3: Find the number of people who rent only umbrellas.
Since we know that 53 people rent only chairs from Step 1, there must be 78 - 53 = 25 people who rent only umbrellas.
Step 4: Find the total number of people who rent umbrellas.
Since there are 72 people who rent both chairs and umbrellas and 25 people who rent only umbrellas, there are 72 + 25 = 97 people who rent umbrellas.
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Find the area of a trapezoid below.
3 m
4 m
6 m
What is the value of x. Please help out. This is due today!
Answer:
70°
Step-by-step explanation:
In the context it says that Franklin St. is parallel to Washington St.
The 110° formed by Franklin St. and Mulberry St. is a supplementary angle to Angle x.
Supplementary angles are angles that add up to each other to make 180°
So lets subtract:
180 - 110 = 70°
Angle x = 70°
If my answer is incorrect, pls correct me!
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-Chetan K
What is the measurement of angle b?
Answer:
55°
Step-by-step explanation:
360-(209+96)
55.
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Find the volume of each complex figure. (2 pts each)
7.
10 ft
2 ft
-6 ft-
3 ft
The volume of the complex figure is determined as 66 ft³ .
What is the volume of the complex figure?The volume of the complex figure is calculated from the summation of volume of the triangle and the volume of the cuboid.
Volume of the cuboid is calculated as follows;
V = 6ft x 2 ft x 3 ft
V = 36 ft³
The area of the triangle is calculated as follows;
A = ¹/₂ x base x height
A = ¹/₂ x 10 ft x 2 ft
A = 10 ft²
The volume of the triangle is calculated as follows;
V = Aw
V = 10 ft² x 3 ft
V = 30 ft³
Total volume = 30 ft³ + 36 ft³ = 66 ft³
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For the transfer function, determine the response if the input is: 1. a step function, 15u(t), and 2. a sine function, 22sin(5t)u(t) : Where: H(s)=
s
2
+30s+369
s
For a step function input (u(t) = 1), the system's response can be obtained by finding the inverse Laplace transform of (s² + 30s + 369) / s². This will give the time-domain response of the system to a step function input. For a sine function input (x(t) = 22sin(5t)u(t)), the system's response can be obtained by finding the inverse Laplace transform of 5(s² + 30s + 369) / (s³ + 25s). This will give the time-domain response of the system to a sine function input.
To determine the response of a system with the transfer function H(s) = (s² + 30s + 369) / s to different input functions, we need to find the Laplace transform of the input function and multiply it by the transfer function H(s). Let's calculate the response for two cases:
Input: Step Function, u(t) = 1 (for t >= 0)
To find the Laplace transform of a step function, we use the formula:
L[u(t)] = 1/s
Multiplying the Laplace transform of the step function by the transfer function H(s), we get:
Y(s) = H(s) * L[u(t)]
= (s² + 30s + 369) / s * (1/s)
= (s² + 30s + 369) / s²
Now, we need to find the inverse Laplace transform of Y(s) to obtain the time-domain response.
The inverse Laplace transform of Y(s) will give us the time-domain response of the system to a step function input.
Input: Sine Function, x(t) = 22sin(5t)u(t)
To find the Laplace transform of a sine function, we use the formula:
L[sin(at)] = a / (s² + a²)
Multiplying the Laplace transform of the sine function by the transfer function H(s), we get:
Y(s) = H(s) * L[sin(5t)]
= (s² + 30s + 369) / s * (5 / (s² + 25))
Simplifying this expression, we have:
Y(s) = 5(s² + 30s + 369) / (s³+ 25s)
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-560.114 a rational or irrational
In the diagram, is a diameter of circle O. If the slope of is , what is the slope of ?
The slope of line AB is 2.
How to find the slope of line AB?In the figure, we have a right triangle ABC.
Thus, AB is perpendicular to BC.
Recall that:
If two lines are perpendicular, then the product of their slopes is equal to -1. Thus:
m₁ * m₂ = -1
In this case:
mAB * mBC = -1
Since mBC = -1/2. We have:
mAB * (-1/2) = -1
mAB = -1 / (-1/2)
mAB = 2
Therefore, the slope of line AB is 2.
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Complete Question
Check attached image
How hard is it for a female to become a firefighter, and how much would the female make (Canadian dollars) in their first year?
Answer:
Step-by-step explanation:
In most free countries it’s not that hard to become a firefighter. Women and men equally have to undergo the special training which is 6 months to one year, depending on where. And then in most countries you get tested on your ability to not only put out fires but also save people from other dangers.
In terms of pay : CA$113K / yr
Hope this helps.
Good Luck