Suppose you have 52 feet of fencing to enclose a rectangular dog pen. The function A = 26x = x2 where x = width, gives you the area of the dog pen in square feet. what width gives you the maximum area? what is the maximum area? round to the nearest tenth if necessary.

Answers

Answer 1

maximum area is a square

the side of the square would be 52/4 = 13 feet

 area = 13*13 = 169 square feet

Answer 2

Answer:

Width = 13 ft

Maximum Area = 169 ft²

Step-by-step explanation:

Given: A rectangular dog pen whose fencing is 52 feet.

Let length be y and width be x

Fencing = 2(l+b)

52 = 2 (x+y)

x + y = 26

y = 26 - x

Area of rectangular pen = Length x width

                                        = y . x

                  [tex]A=x(26-x)[/tex]

                  [tex]A=26x-x^2[/tex]

It is parabolic equation. Maximum/Minimum at vertex.

[tex]x=-\dfrac{b}{2a}[/tex]

where, a=-1, b=26

[tex]x=\dfrac{26}{2}=13[/tex]

Now we put x=13 into A

[tex]A=13(26-13)[/tex]

[tex]A=169[/tex]

Hence, The width is 13 feet and Maximum area is 169 ft²


Related Questions

What is the distance between points A and B?


___ units

Answers

we know that

the distance's formula between two points is equal to

[tex]d=\left|xB-xA\right|[/tex]

substitute

[tex]d=\left|1-(-5)\right|[/tex]

[tex]d=6\ units[/tex]

therefore

the answer is

[tex]6\ units[/tex]

The distance between two point [tex]A{\text{ and }}B[/tex] is [tex]\boxed{{\mathbf{6 units}}}[/tex].

Further explanation:  

The distance between two points is the modulus of difference of the given two points.

The distance between two points can be found by the distance formula as,

[tex]\left| {B - A} \right|[/tex]  

Here, [tex]A{\text{ and }}B[/tex] are the points on the number line.

The distance cannot be negative therefore modulus is applied in the formula.

Step by step explanation:

Step 1:

First we determine the points from the given number line.

It can be observed from the given number line that there are two points one is on the left side of the origin and the second is right side of the origin.

The point [tex]A[/tex] is [tex]- 5[/tex] and the point [tex]B[/tex] is 1.

Step 2:

Now use the distance formula to obtain the distance between the two points  [tex]A{\text{ and }}B[/tex].

Here, the value of A is [tex]-5[/tex] and B is 1.

Substitute the value of [tex]A{\text{ and }}B[/tex] to obtain the distance as,

[tex]\begin{aligned}d&= \left| {B - A} \right| \\&= \left| {1 - \left( { - 5} \right)} \right|\\&= 6{\text{ units}}\\\end{aligned}[/tex]  

Therefore, the distance between two point [tex]A{\text{ and }}B[/tex] is [tex]6{\text{ units}}[/tex].

Learn more:  

Learn more about angle and ray https://brainly.com/question/5144640 Learn more about to determine the equivalent forms of the fraction https://brainly.com/question/952259

Answer details:

Grade: Junior school

Subject: Mathematics

Chapter: Number line

Keywords: Integers, distance, point, number line, units, measurement, origin, negative numbers, positive numbers, right side, left side, difference.

Solve 5c + 4 = −26.
6
−6
−4.4
3

Answers

-6 is the answer because you subtract four from both sides making it  -30 because you had -26 minus 40 on that side. Then you divide both sides by 5 to isolate the variable "C" when you divide the right side with -30 by 5 it equals -6, so c= -6

Answer:

-6 :))))))))))))))))))

Step-by-step explanation:

Simplify the expression 111,000 × 0.072 using scientific notation and express your answer in scientific notation.

Answers

Final answer:

The simplified expression is 7.992 × 10³.

Explanation:

To simplify the expression 111,000 × 0.072 using scientific notation, follow these steps:

Express 111,000 in scientific notation: 1.11 × 10⁵Express 0.072 in scientific notation: 7.2 × 10⁻²Multiply the two numbers: (1.11 × 10⁵) × (7.2 × 10⁻²)First, multiply the decimal parts: 1.11 × 7.2 = 7.992Next, add the exponents for the powers of 10: 5 + (-2) = 3Combine the results: 7.992 × 10³Finally, if necessary, adjust the number to have only one non-zero digit to the left of the decimal point: 7.992 × 10³ is already in correct form.

The expression simplified in scientific notation is 7.992 × 10³.

Miguel is going for a walk. he takes 3 hours to walk 7.5 miles. what is his speed?

Answers

We have a ratio of 3 hours / 7.5 miles
We want to know how many miles he can walk in 1 hour so, divide both sides by 3 -> 1 hour / 2.5 miles
He is walking at 2.5 mph

divide total distance by time

7.5 miles / 3 hours = 2.5 miles per hour is his speed

Which function represents the graph of f(s)=-4[x] after it is translated 3 units down?

Answers

I'm not sure but I think, f(s)=-4[x]-3

what is the mass of an object that has a force of 100 Newtons and acceleration of 25 m/s2

Answers

F=ma
m=F/a
m=100/25=4 kg
Mass of an object is 4 kg

if an angle is acute then its measure is 30 degrees true or false

Answers

False. An acute angle's measure is anywhere from 0 to 90 degrees. So it doesn't have to be 30 degrees, it can be anywhere in that range.
Final answer:

An acute angle is any angle less than 90 degrees, and while 30 degrees is an example of an acute angle, it is not accurate to say that all acute angles must be 30 degrees.

Explanation:

The statement 'If an angle is acute then its measure is 30 degrees' is false. An acute angle is defined as any angle that is less than 90 degrees. While 30 degrees is indeed an example of an acute angle, an acute angle can be any value less than 90 degrees. For example, 45 degrees, 20 degrees, or 1 degree are also acute angles. Therefore, it is not accurate to say that an acute angle must be 30 degrees.

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Evaluate ab for a = 2 3/4 and b = 4/5

A. 1 1/15
B. 8/15
C. 2 1/5
D. 2/3

Answers

the answer is C) 2 1/5

By the end of the school year, Terry had passed 80% of his science tests. If Terry failed 4 science tests, how many science tests did Terry pass?

Answers

We can say that 4 tests failed was 20%, and x tests passed was 80%: 4/20 = x/80
In this case, x = 16 tests passed.

Answer:  Terry passed 16 science tests.

Step-by-step explanation:  Given that by the end of the school year, Terry had passed 80% of his science tests and Terry failed 4 science tests.

We are to find the number of science tests that Terry passed.

Let x represents the total number of science tests that Terry appeared in.

Since he failed 4 science tests, so the number of science tests that Terry passes is given by

[tex](x-4).[/tex]

Since he passed 80% of his tests, so we get

[tex]80\%\times x=x-4\\\\\\\Rightarrow \dfrac{80}{100}\times x=x-4\\\\\\\Rightarrow \dfrac{4}{5}\times x=x-4\\\\\Rightarrow 4x=5x-20\\\\\Rightarrow 5x-4x=20\\\\\Rightarrow x=20.[/tex]

So, total number of science tests = 20.

Therefore, the number of science tests that Terry passed is given by

[tex]n=20-4=16.[/tex]

Thus, Terry passed 16 science tests.

What is the difference between 3/7 and 1/14

Answers

The difference between 3/7 and 1/14 is that 3/7 is 5/14 bigger than 1/14

3/7 = 6/14

6/14 - 1/14 = 5/14

hope this helps

the ordered pair (2 36) is a solution to which equation(s)

A. y=2x^2
B. y=(3x)^2
C. y=7x^2+2
D. y=(x+4)^2

Answers

(2, 36) → x = 2, y = 36

Substitute the value of x and y to the equations of the functions:

A. y = 2x^2

36 = 2(2)^2 → 36 = 8 FALSE

B. y = (3x)^2

36 = (3 · 2)^2 → 36 = 6^2 → 36 = 36 CORRECT

C. y = 7x^2 + 2

36 = 7(2)^2 + 2 → 36 = 7 · 4 + 2 → 36 = 30 FALSE

D. y = (x + 4)^2

36 = (2 + 4)^2 → 36 = 6^2 → 36 = 36 CORRECT

Answer: B. y = (3x)^2 and D. (x + 4)^2

Given the midpoint and one of the endpoints,find the other endpoint of the segment

Answers

midpoint formula : (x1 + x2) / 2, (y1 + y2) / 2
(6,8).....x1 = 6 and y1 = 8
(x,y)     x2 = x and y2 = y
now we sub
(6 + x)/2 , (8 + y)/2 = 3/2

(6 + x) / 2 = 3
6 + x = 3 * 2
6 + x = 6
x = 6 - 6
x = 0

(8 + y) / 2 = 2
8 + y = 2 * 2
8 + y = 4
y = 4 - 8
y = -4

so ur other endpoint is (0,-4) <==
======================
the others u can do the same way....but I am gonna skip a few steps on the rest of them

m (-3,7) , endpoint (0,2)
(0 + x)/2 = -3.......x = -6
(2 + x) / 2 = 7......y = 12
other endpoint is (-6,12) <==
================
m (-2,4), endpoint (5,-5)
(5 + x) / 2 = -2.....x = -9
(-5 + y) / 2 = 4....y = 13
other endpoint is (-9,13) <==
===============
m (0,0), endpoint (-2,2)
(-2 + x)/2 = 0.....x = 2
(2 + y) / 2 = 0....y = -2
other endpoint is (2,-2) <==



One car rental company charges $30 per day plus $0.25 per mile driven. a car company charges $40 per day plus $0.10 per mile driven. how many miles must you drive for a one-day rental at the second company to be less expensive than the same rental at the first company? write an inequality to solve.

Answers

Rewrite the question into equations:
let's say x is the miles you drive for a day
the first company's rental charge= $30+$0.25x
the second company's rental charge= $40+$0.10x

Calculate what the x is when two equations are equal to each other:
$30+$0.25x=$40+$0.10x
$0.25x-$0.10x=$40-$30
$0.15x=$10
x=$10/$0.15
x=66.667 miles

at least 66.667 miles. I am not sure though. I'm a little bit tired today, so you might want to check it yourself.

Answer:

66.667 miles

Step-by-step explanation:

Given: One car rental company charges $30 per day plus $0.25 per mile driven.

Second car company charges $40 per day plus $0.10 per mile driven.

To find:  how many miles must you drive for a one-day rental at the second company to be less expensive than the same rental at the first company?

Solution: Let the distance driven on a day be x miles.

As per question,

The first rental company will charge [tex]=30+0.25x[/tex]

The second rental company will charge [tex]=40+0.10x[/tex]

Now, we want the rental charges of second company to be less expensive then the first.

So we get the inequality,

[tex]30+0.25x>40+0.10x[/tex]

[tex]0.25x-0.10x>40-30[/tex]

[tex]0.15x>10[/tex]

[tex]x>\frac{1000}{15}[/tex]

[tex]x>66.667[/tex] miles

Hence, at least 66.667 miles should be driven on a day.

BRAINLIESTTTTTTTT!!!!!!!!!!!!!!!!!!

Answers

For x = 11, f(x) = 95.
For x = 21, f(x) = 105.

To find the average rate of change, subtract 105 - 95.
Then subtract 21 - 11.
Then divide the first difference by the second difference.

Roger can run one mile in 10 minutes. jeff can run one mile in 8 minutes. if jeff gives roger a 1 minute head​ start, how long will it take before jeff catches up to​ roger? how far will each have​ run?

Answers

4 mins. They have run a half mile

Oranges are on sale for $1.59 per pound. Write a funtion as a standard equation and in a funtion notation.

Answers

Let x be the number of pounds of oranges, given that oranges are on sale for $1.59 per pound, the function representing the cost of x pounds of oranges is given by

f(x) = 1.59x

Braic equation. two airplanes leave chicago at the same time and fly in opposite directions. if one travels at 490 miles per hour and the other at 470 miles per hour, how long will it take for them to be 4,800 miles apart

Answers

i would prominently take 10 hours til they are 4,800 miles apart

1. Factor the expression 3x^3 + 4x^2 - 15x - 20 Please show work!

Answers

Do the split method, by splitting it in the middle

Factor 3x^3 + 4x^2 and -15x - 20 seperately

x^2 (3x + 4) - 5(3x + 4)

(x^2 - 5)(3x + 4) is your answer

hope this helps
Final answer:

The expression 3x^3 + 4x^2 - 15x - 20 can be factored into the form (3x + 4)(x^2 - 5) by grouping terms, factoring out common components, and simplifying.

Explanation:

The provided expression to be factored is [tex]3x^3 + 4x^2 - 15x - 20.[/tex]Factoring this involves finding common factors and breaking the terms down until we cannot do so any further.

Group terms that look like they might have common factors: [tex](3x^3 + 4x^2) - (15x + 20).[/tex]Factor out the common factors: [tex]x^2(3x + 4) - 5(3x + 4).[/tex]Notice that we have the binomial of (3x + 4) common between both terms. We can now factor that out: [tex](3x + 4)(x^2 - 5).[/tex]

So, the factored form of the expression is [tex](3x + 4)(x^2 - 5).[/tex]

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3.Cornelia spends 2 2/3 hours studying for her big science test. She spent 2/3 of an hour finishing her writing assignment and 1/4 of an hour playing outside. How much time did she spend overall on the three activities?

Answers

2 2/3 + 2/3 + 1/4 =
8/3 + 2/3 + 1/4 =
10/3 + 1/4 =
40/12 + 3/12 =
43/12 =
3 7/12 hrs <===

Twenty-five members of the eighth grade class at Park Center Middle School are going to a museum and then to lunch. Each student must pay an entrance fee to the museum and $7.25 for lunch. The total cost for the trip is $443.75. What is the entrance fee for one student?

Answers

There are two costs involved:

1) the cost for lunch, which is given as a rate per student: $7.25/student

2) the cost for the trip which is $443.75 to be divided by the 25 students, so it is $443.75 / 25 = $17.75/student

Now, you can add up those two costs per student to have the total cost per student:

$7.25 + $17.75 = $25.00/student

Answer: $25.00

Answer: $17.75

Step-by-step explanation: $443.75 / 25 = $17.75

The first three numbers in sequence are 1, 4, and 9. Marie determined that the fourth number in the sequence is 16. Marie’s rule involved multiplication. What rule did she use to determine the fourth number in the sequence? Specific please

Answers

We notice that:

1² = 1
2² = 4
3² = 9,
then 4² = 16 and son and so forth

A prism is named for the shape of its bases.

True

False

Answers

True
Wikipedia says "Prisms are named for their bases, so a prism with a pentagonal base is called a pentagonal prism."
https://en.wikipedia.org/wiki/Prism_(geometry)


true

Step-by-step explanation:

Hope is helps and good luck

The scale on a map indicates that 1 inch corresponds to an actual distance of 95 miles. two cities are 4.5 inches apart on the map. what is the actual distance between the two cities?

Answers

The two cities are actually 427.5 miles apart.

What is the perimeter of the triangle shown on the coordinate plane, to the nearest tenth of a unit?

14.6 units
15.5 units
21.0 units
21.6 units

Answers

To calculate the perimeter, consider each side separately.

Right side: This is easiest since it's a vertical line - it's 7 units long.

Top side: If you look carefully, this side is really the hypotenuse of a triangle that is 1 unit tall and 6 units long. Using the Pythagorean Theorem, you can calculate the length of the hypotenuse to be 1^2 + 6^2 = c^2 --> c = 6.1

Left side: just like the top side, this side is the hypotenuse of a triangle that is 6 units tall and 6 units long. Pythagoras again: 6^2 + 6^2 = c^2 --> c = 8.5

Add these three numbers to get the perimeter: 7 + 6.1 + 8.5 = 21.6

The width of a poster is 4/5 of its length, It takes 36 ft. of metal framing to frame the poster. Find the dimensions of the poster.

Answers

The length is 10 and width is 8

A bag contains 8 blue marbles, 5 green marbles and 7 red marbles. If Alicia removes two marbles without replacing them, what is the probability that he will choose red, then green?

Answers

Final answer:

To find the probability of choosing a red marble, then a green marble without replacement, multiply the probabilities of the individual events which is  7/76.

Explanation:

To find the probability that Alicia will choose red, then green marbles, we need to calculate the probability of drawing a red marble and then a green marble without replacement.

Given that there are 8 blue marbles, 5 green marbles, and 7 red marbles in the bag, the probability of drawing a red marble first is 7/20.

After removing the red marble, there are 19 marbles left in the bag, including 5 green marbles. Therefore, the probability of drawing a green marble second is 5/19.

To find the combined probability, we multiply the probabilities of the individual events:

P(Red, then Green) = P(Red) * P(Green | Red) = (7/20) * (5/19) = 35/380 = 7/76.

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In Indianapolis, the Market Tower has 2/3 as many stories as the Chase Tower. If the Market Tower has 32 stories, how many stories does the Chase Tower have?

Answers

I think the chase tower has 48 stories.
The answer would be 48, if you divide 32 by 2 then it would be 16, therefore if the market tower has 2/3 of the chase then you would add 16 floors

If EG=40 and point F is 2/5 of the way between E and G, find the value FG.
The drawing is not to scale.

a. 32
b. 20
c. 16
d. 24

Answers

EG = 40
Point F (EF) = 2/5

EF = 2/5 × 40
EF = 16

EF + FG = EG
16 + FG = 40
FG = 24

d. 24

Two angles that are complementary __________ form a right angle. 2. angles with a common side and a common vertex ______ form a linear pair. 3. two angles that are supplementary are _______ complementary.

Answers

what are the answers

Help please pre calculus

Answers

put 7.6*10^-1 into the equation to get:

10log(1/7.6*10^-4) = 31.19

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