A rancher needs to enclose two adjacent rectangular​ corrals, one for cattle and one for sheep. If the river forms one side of the corrals and 270 yd of fencing is​ available, find the largest total area that can be enclosed.

Answers

Answer 1
basically, what this asks you is to maximize the are A=ab where a and b are the sides of the recatangular area (b is the long side opposite to the river, a is the short side that also is the common fence of both corrals). Your maximization is constrained by the length of the fence, so you have to maximize subject to 3a+b=450 (drawing a sketch helps - again, b is the longer side opposite to the river, a are the three smaller parts restricting the corrals)
3a+b = 450
b = 450 - 3a
so the maximization max(ab) becomes
max(a(450-3a)=max(450a-3a^2)
Since this is in one variable, we can just take the derivative and set it equal to zero:
450-6a=0
6a=450
a=75
Plugging back into b=450-3a yields
b=450-3*75
b=450-225
b=215
Hope that helps!
Answer 2

The largest total area that can be enclosed is 4050 square yards.

Let's the length of the rectangular corral for cattle as x and the length of the rectangular corral for sheep as y.

For the cattle corral:

- Two sides with length x.

- One side with length y.

For the sheep corral:

- Two sides with length y.

- One side with length x.

As, the total fencing required is 270 yards

2x + y + 2y + x = 270

3x + 3y = 270

x + y = 90

Now, area of a rectangle is given by the formula A = length × width.

For the cattle corral = x × y

For the sheep corral= y × x

So, the total area is

= x × y + y × x

= 2xy

From this equation, x + y = 90

x = 90 - y.

Substituting this into the equation for A total:

A total = 2(90 - y)y = 180y - 2y²

To find the maximum area, take the derivative of A_total with respect to y and set it equal to zero.

\(\dfrac{dA_{total}}{dy}\) = 180 - 4y = 0

Solving for y:

180 - 4y = 0

4y = 180

y = 45

Substituting this value of y back into the equation x + y = 90:

x + 45 = 90

x = 45

Therefore, the dimensions that maximize the total area enclosed are x = 45 and y = 45.

So, the maximum area

=2 (45) (45)

= 4050 square yards

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Related Questions

3415 base 7 ×(-432base 7)

Answers

Ignore the negative sign, since that only affects the sign of the final product

3415₇ × 432₇

You can compute the product by considering the digit expansion, by which I mean first expanding each number as sums of powers of 7:

3415₇ = 3000₇ + 400₇ + 10₇ + 5₇

(It's the same thing as writing, for example, the decimal 3415 as 3000 + 400 + 10 + 5, just in a different base.)

Similarly,

432₇ = 400₇ + 30₇ + 2₇

Then apply the distributive property:

= (3000₇ + 400₇ + 10₇ + 5₇) × (400₇ + 30₇ + 2₇)

= 3000₇ × (400₇ + 30₇ + 2₇)

… + 400₇ × (400₇ + 30₇ + 2₇)

… + 10₇ × (400₇ + 30₇ + 2₇)

… + 5₇ × (400₇ + 30₇ + 2₇)

= {12}00000₇ + {9}0000₇ + 6000₇

… + {16}0000₇ + {12}000₇ + {8}00₇

… + 4000₇ + 300₇ + 20₇

… + {20}00₇ + {15}0₇ + {10}₇

where I use the curly braces to indicate products (written in base 10) of digits that exceed 6. Anything in these braces needs to be properly converted to base 7. For example,

{12}₇ = 7 + 5 = 15₇

So you would have

= 1500000₇ + 120000₇ + 6000₇

… + 220000₇ + 15000₇ + 1100₇

… + 4000₇ + 300₇ + 20₇

… + 2600₇ + 210₇ + 13₇

Add everything up:

• In the 7⁰ place,

3₇

• In the 7¹ place,

1₇ + 1₇ + 2₇ = 4₇

• In the 7² place,

2₇ + 6₇ + 3₇ + 1₇ = {12}₇ = 15₇

• Carry the 1 (underlined). In the 7³ place,

2₇ + 4₇ + 1₇ + 5₇ + 6₇ + 1₇ = {19}₇ = 25₇

• Carry the 2. In the 7⁴ place,

1₇ + 2₇ + 2₇ + 2₇ = {7}₇ = 10₇

• Carry the 1. In the 7⁵ place,

2₇ + 1₇ + 5₇ + 1₇ = {9}₇ = 12₇

• Carry the 1. In the 7⁶ place,

1₇ + 1₇ = 2₇

So, we end up with

3415₇ × 432₇ = 22045543₇

and thus

3415₇ × (-432₇) = -22045543₇

rewrite 1/2 as a fraction whose numerator
is divisible by 3.​

Answers

you can take any even number divisible by three and then double it for the denominator

if the height of your mom is 3'2 and her width is 15 feet and weight is 268.99 tons, how many elephants equal her weight

Answers

Nicki Minaj be a barb and stay in school

Sasha selected a random sample of bivariate data, with a sample size of 30, and calculated a slope of 3.6 for the sample slope of a regression model. Sasha constructed a 95 percent confidence interval to estimate the slope. Alex claims he can construct a confidence interval that is narrower by changing the sample size but keeping all other things the same. Which of the following sample sizes will make Alex's claim true?
A. 10
B. 15
C. 20
D. 25
E. 35

Answers

D or e is the correct answer

The sample size that will make the Alex's claim true is option E. 35.

What is Confidence Interval?

Confidence interval in statistics is defined as the certain range of values that you estimate for the unknown parameter lies within.

This means that, if you do your experiment more than once and do resampling, then this is the percentage that the parameters falls within a range.

Sample size of Sasha = 30

She took a confidence interval of 95%.

Alex claims he can construct a confidence interval that is narrower by changing the sample size but keeping all other things the same.

The relation between the sample size and confidence interval is that when the size of sample increases, the confidence interval becomes narrower.

So if the Alex's claim has to be true, sample size must increase.

He can use sample size of 35.

Hence the correct option is E.

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prove that the quadrilateral whose vertices are the points A(-1,1), B(-3,4), C(1,5) and D(3,2) is a parallelogram.

Answers

Answer:

Since \(\overrightarrow{AB} = \overrightarrow{DC}\) and \(\overrightarrow{AD} = \overrightarrow{BC}\), then the quadrilateral ABCD is a parallelogram.

Step-by-step explanation:

First, we label each point of the quadrilateral with the help of a graphing tool. If the quadrilateral ABCD is a parallelogram, then \(\overrightarrow{AB} = \overrightarrow{DC}\) and \(\overrightarrow{AD} = \overrightarrow{BC}\). If we know that \(A(x,y) =(-1, 1)\), \(B(x,y) =(-3,4)\), \(C(x,y) = (1,5)\) and \(D(x,y) = (3,2)\), then the measure of each vector is, respectively:

\(\overrightarrow{AB} = (-3,4)-(-1,1)\)

\(\overrightarrow{AB} = (-2, 3)\)

\(\overrightarrow{DC} = (1,5)-(3,2)\)

\(\overrightarrow{DC} = ( -2,3)\)

\(\overrightarrow{AD} = (3,2)-(-1,1)\)

\(\overrightarrow{AD} = (4, 1)\)

\(\overrightarrow{BC} = (1,5)-(-3,4)\)

\(\overrightarrow{BC} = (4, 1)\)

Since \(\overrightarrow{AB} = \overrightarrow{DC}\) and \(\overrightarrow{AD} = \overrightarrow{BC}\), then the quadrilateral ABCD is a parallelogram.

prove that the quadrilateral whose vertices are the points A(-1,1), B(-3,4), C(1,5) and D(3,2) is a parallelogram.

​Using the first two terms 28 and 14, what are the next 3 terms of a sequence that is neither arithmetic nor geometric.

Answers

The next 3 term of a sequence which is neither arithmetic nor geometric should be found

First term = 28

Second term = 14

difference = second term - first term

= 14 - 28

= -14

The next 3 terms will have a difference of -14 each

Third term = second term - 14

= 14 - 14

= 0

Third term = 0

Fourth term = Third term - 14

= 0 - 14

= -14

Fourth term = -14

Fifth term = Fourth term - 14

= -14 - 14

= -28

Fifth term = -28

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A road sign has the shape of an equilateral triangle with a side length of 48 inches. What is the height of the sign? The road sign is about 38.2 inches tall The road sign is about 38.2 inches tall The road sign is about 23.5 inches tall The road sign is about 23.5 inches tall The road sign is about 41.6 inches tall The road sign is about 41.6 inches tall The road sign is about 43.7 inches tall

Answers

The height of the equilateral triangle is 41. 6 inches. Option C

How to determine the height

The formula for finding the height of an equilateral triangle is given as;

h = (a√3)/2

we have a = 48 inches

Let's substitute the value

Height, h = \(\frac{48\sqrt{3} }{2}\)

Height = \(\frac{48 * 1. 732}{2}\)

Height = \(\frac{83. 14}{2}\)

Height = \(41. 6\) Inches

Thus, the height of the equilateral triangle is 41. 6 inches. Option C

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michael is 6 years younger than twice mike's age. Which expressions can be used to represent michael's age?​

Answers

Answer:

2m-6

Step-by-step explanation:

M is the variable used for Mike's age

2m-6

2m is twice Mikes age

-6 is the 6 years younger

Hope this helps!

Which image below shows the result of an image that has been rotated 180 by the origin O?

Which image below shows the result of an image that has been rotated 180 by the origin O?

Answers

The new image will be reflected across the x axis and will be on the opposite side of the y axis

Solve the system and write the solution as an ordered pair.

6u+5v=-2
2u+3v=6

Answers

Step-by-step explanation:

6u+5v=-2 => ×1 => 6u + 5v = -2

2u+3v=6 => ×3 => 6u + 9v = 18

___________-

-4v = -20

=> v = -20/-4 = 5

2u +3v = 6

2u +3(5)=6

2u +15 = 6

2u = -9

u = -9/2 = -4.5

so, the solutions : {(-4.5 , 5)}

I’m not sure how to do this problem, if someone could explain what the answer is that would be great.

Im not sure how to do this problem, if someone could explain what the answer is that would be great.

Answers

Answer:B

Step-by-step explanation:I’m not completely sure but y is going up twice as much as x.

A point A (x, y) is translated 7 units to the left and 2 units up. What is the mapping to the new point A’?
(x+2, y+7)
(x-7, y+2)
(x+2, y-7)
(x+7, y+2)

Answers

Answer:  Choice B

Reason:

7 units to the left means x becomes x-7

2 units up means y becomes y+2

Therefore, the old preimage (x,y) translates or shifts to the new image (x-7, y+2)

Example:

\((\text{x},\text{y}) = (3,5)\\\\(\text{x},\text{y})\to(\text{x}-7,\text{y}+2)\\\\(3,5)\to(3-7,5+2)\\\\(3,5)\to(-4,7)\\\\\)

The preimage (3,5) moves to (-4,7) after shifting 7 units left and 2 units up.

7.) According to the quantity equation, changes in the money supply will lead directly to
changes in the price level if velocity and real GDP are unaffected by the change in the
money supply. Will velocity change over time? What factors might lead to changes in
velocity? Are those changes related to changes in the money supply?

Answers

According to the quantity theory of money, changes in the money supply will lead directly to changes in the price level if velocity and real GDP are unaffected by the change in the money supply.Velocity can change over time, and changes in velocity may be caused by various factors.

For example, changes in velocity can be caused by shifts in payment practices, changes in the use of credit, changes in the availability of bank deposits or cash, or shifts in demand patterns.Changes in velocity may be related to changes in the money supply.

For example, if the money supply increases, the demand for money may increase, causing the velocity of money to decrease. Conversely, if the money supply decreases, the demand for money may decrease, causing the velocity of money to increase.

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A hamburger costs twice as much as a hot dog. Three hamburgers and two hot
dogs cost $21. Choose the system of linear equations that represents this problem.

A. 2y=x
2x+3y=21

B. y=2x
2x+3y=21

C.x=2y
3x+2y=21

D.y=2x
3x+2y=21

Answers

Answer:

C

Step-by-step explanation:

Hamburger = Hotdog x 2

3(Hamburger) + 2(Hotdog) = 21

Now replace with x (Hotdog) and y (Hamburger)

y = 2x

3y + 2x = 21

6. (1 + x) (1 + x²) (1 +x^4) (1 + x^8) (1 – x)
(a) 1 + x^16
(b) 1 - x^16
(c) x^16 - 1
(d) x^8 + 1​

Answers

C hope it helps you

On a coordinate plane, a dashed straight line has a positive slope and goes through (negative 3, negative 3) and (3, 1). Everything below and to the right of the line is shaded.
Which linear inequality is represented by the graph?

y > Two-thirdsx – 2
y < Two-thirdsx + 2
y > Two-thirdsx + 1
y < Two-thirdsx – 1

Answers

The answer is two-thirdsx + 1

Answer:

y > Two-thirds x + 1     /c

1/3 x 2/5 in simplest form

Answers

Answer:

2/15

Step-by-step explanation:

1/3 x 2/5

= ( 1 x 2 ) / ( 3 x 5 )

= 2/15

Answer:

2/15

Step-by-step explanation:

1/3*2/5

(1*2)/(3*5)

2/15

Kim had 2 1/3 pounds of candy. Eric eats 2/5 of Kims candy. How much candy did Eric eat?

Answers

The quantity of candy that Eric ate would be = 14/15

How to calculate the quantity of candy eaten by Eric?

The quantity of Candy Kim had = 2⅓ pounds.

The quantity of Kims candy that Eric ate = 2/5

That is 2/5 of 2⅓.

The actual quantity of candy that Eric ate = 2/5× 7/3 = 14/15

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What was the significance of the Panic of 1893 to the Populists?.

Answers

Answer:

led the United States into the worst economic depression it had experienced up to that point in its history. Following the collapse of several Wall Street brokerage houses, over 600 banks and 16,000 businesses failed by the end of the year.

Find an order pair (x, y) that is a solution to the equation
-x+6y=3

Answers

One solution is the y intercept (0,1/2)

A baker uses 5 cups of flour to make 75 cookies. Using this same ratio, how many cups of flour will be needed for 45 cookies? Use the ratio table given to solve the problem.

Answers

Answer:

Since, the baker use 5cups for 75cookies.Then for 30 cookies number of cups=

=75/5

=15.

Therefore no. 1cups for 15cookies.so,for 30 cookies=

=15*2

=30.

So, 2cups are needed for 30cookies

PLEASE HELP!!!!!!!!!!!!!!!!!!! I'll NAME BRAINLIEST!!!!!!!!!!!!!!!!!A moving-van rental company uses the polynomial 110 + 0.65(m – 200) to calculate the rental charges if a customer drives a van more than 200 miles in one day. In the polynomial, m is the total number of miles that the customer drove the van during the day. Use the Distributive Property to write an equivalent expression for the total cost of renting the van and driving it more than 200 miles in one day.

Answers

Answer:I think it would be 84 + 0.45m + 108.

Which simplified could be 0.45m + 192.

hope this helps!

Step-by-step explanation:

In a three hour TV broadcast the commercials show 29% of the time. How many minutes of commercials are shown each hour? Round to the nearest tenth of a minute

Answers

Answer:

There are 17.4 minutes of commercials are shown each hour.

Step-by-step explanation:

An hour has 60 minutes.

So in 3 hours, there are 3*60 = 180 minutes.

The commercials show 29% of the time.

So we have 0.29*180 = 52.2 minutes, in total, of commercial.

Per hour, we have 52.2/3 = 17.4 minutes of commercial.

Someone help me please and thank you

Someone help me please and thank you

Answers

Answer: 2a < 2b

Step-by-step explanation:

We are given a statement:

a < b and b < c, then 2a ____ 2b

We can use simple numbers that make the statement true.

Where,

a = 2

b = 3

c = 4

Now lets plug it in.

2 < 3 and 3 < 4, then 2(2) ____ 2(3)

and lets simplify:

2 < 3 and 3 < 4, then 4 ____ 6

We can see that 4 is less than 6,

so as a is less than b, 2a is less than 2b.

The only thing changing is the coefficient being multiplied by the variables a and b.

can i get factors of 256​

Answers

Step-by-step explanation:

Factors of 256: 1, 2, 4, 8, 16, 32, 64, 128 and 256.

Hope it will help :)❤

Here the answer hope this helps:

factors of 256 are.... 1, 2, 4, 8, 16, 32, 64, 128 and 256.

Step-by-step explanation:

hope this helps

One advantage of a variable interest rate over a fixed interest rate is that a

variable rate:

A. is often lower initially

B. offers borrowers more flexible terms.

c. can be used for large purchases.

D. increases when the market rate increases

Answers

The term variable implies that the rate is bound to change over time, in this context variable interest rate may double as an Advantage and also as a disadvantage.

D. increases when the market rate increases

Variable interest rate is advantageous because as the market rate increases, the rate at which the customer will receive his/her interest will increase too

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Answer: a

Step-by-step explanation:

What is the surface area of a sphere with diameter 8 cm?

Answers

Answer:

As = 256\(\pi\) or 804.25cm

Step-by-step explanation:

By formula As = \(4\pi r^{2}\)

As = 256\(\pi\) or 804.25cm

10/12 + 1/4 please help me

Answers

Answer:

Here you go, hope this helps

Step-by-step explanation:

Exact form: 13/12

Decimal form: 1.083 repeating

Mixed Number form: 1 1/12

Answer:

Exact Form:

13

12

Decimal Form:

1.083

Mixed Number Form:

1    1

    12

what are the elements found in both a narrative and a story

Answers

The theme is the underlying message, lesson, or central idea conveyed by the narrative or story.

Both a narrative and a story share several common elements that contribute to their structure and presentation. These elements include characters, setting, plot, conflict, and theme.

Characters are essential components of both narratives and stories. They are the individuals or entities that drive the events and experiences within the narrative or story. The setting is the time and place in which the events occur and provide the context for the story.

The plot refers to the sequence of events that unfold and create a structure for the narrative or story. Conflict represents the central problem or challenge faced by the characters and is often a driving force behind the plot's progression.

These shared elements create a framework for both narratives and stories, enabling the development and communication of experiences, ideas, and emotions to the audience. They contribute to the engagement, coherence, and impact of the narrative or story, regardless of the medium or genre in which they are presented.

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One jar of spaghetti sauce is made with 1/4 of a cup of tomatoes. How many full jars of spaghetti sauce can be made with 3 cups of tomatoes?

Answers

Answer:

you can make 12 cans of them

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