A circular pond is shown below with a radius of 3.56m.
What is the area of the pond's surface?
Give your answer in m? to 1 d.p.

Answers

Answer 1

The area of the circular pond's surface is approximately 39.8 m².

1. The area of a circular surface can be calculated using the formula: A = πr², where A represents the area and r represents the radius of the circle.

2. Given that the radius of the pond is 3.56 m, we can substitute this value into the formula.

3. Calculate the area by squaring the radius and multiplying it by π: A = π × (3.56 m)².

4. Simplify the expression by calculating the square of the radius: A = π × 12.6736 m².

5. Multiply the result by π, which is approximately 3.14159: A ≈ 3.14159 × 12.6736 m².

6. Perform the multiplication to find the final result: A ≈ 39.800233184 m².

7. Round the area to one decimal place: A ≈ 39.8 m².

Therefore, the area of the circular pond's surface is approximately 39.8 m².

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Related Questions

I need answer ASAP I’m next 10 mins

I need answer ASAP Im next 10 mins

Answers

Answer:

B

Step-by-step explanation:

First simplify the first term to get

10y^4

then multiply 10y^4 by 4 square root 6y^3

40y would be all you needed to get answer

Answer:

40y^5√6y (B)

Step-by-step explanation:

Let's multiply 2√25y^8 * 4√6y^3:

8√150y^11 (When you multiply exponents with the same base, you can just add the exponents and keep the same base:

Ex. 4^5 * 4^9 = 4^14)

Let's simplify 8√150y^11

√150 = 5√6

√y^11 = y^5√y

So our final answer would be:

40y^5√6y

Maria was memorizing her lines for a play. There were 8 pages to memorize, and she had 4 lines on each page. How many lines did Maria memorize in all?

Answers

8 pages x 4 lines = 32 lines in total


Graph the system of equations y = x+2 and 2y = 2x - 4 and describe it as consistent and independent,
consistent and dependent, or inconsistent.

Answers

the graph is attached, where the blue line is y=x+2 and the green line is 2y=2x-4.

since the two systems are parallel to each other and has no solution, this system is inconsistent.
Graph the system of equations y = x+2 and 2y = 2x - 4 and describe it as consistent and independent,consistent

What item attaches to the bowstring to improve accuracy by giving a consistent anchor point each time the bowstring is drawn?

Answers

Answer:

The item that attaches to the bowstring to improve accuracy by giving a consistent anchor point each time the bowstring is drawn is called a "release aid" or "bow release".

Class A, B and C were given some chocolate bars to sell for their fundraising event. The average number of chocolate bars the 3 classes had at first was 225. After Class B sold twice as many chocolate bars as Class A and Class C sold 3/4 as many chocolate bars as Class B, the average number of chocolate bars the 3 classes had left was 45. How many chocolate bars did Class A and Class C sell altogether?

Answers

Class A and Class C sell 187.5 altogether

How many chocolate bars did Class A and Class C sell altogether?

Represent the classes with their initials

So, we have

B = 2A

C = 3/4 * B = 3/4 * 2A

C = 3/2A

The total number of bars they had initially was

A + B + C = Total

A + 2A + 3/2A = Total

Total = 4.5A

The average number of bars the 3 classes had initially was 225,

So

4.5A = 225

A = 75

For Class A and Class C together, we have

Class A and C = A + 3/2A

Class A and C = 75 + 3/2 * 75

Class A and C = 187.5

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13% of a sample of 200 students do not like ice cream. what is the 95% confidence interval to describe the total percentage of students who do not like ice cream?

Answers

Using the z-distribution, the 95% confidence interval to describe the total percentage of students who do not like ice cream is:

(8.34%, 17.66%).

What is a confidence interval of proportions?

A confidence interval of proportions is given by:

\(\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}\)

In which:

\(\pi\) is the sample proportion.z is the critical value.n is the sample size.

In this problem, we have a 95% confidence level, hence\(\alpha = 0.95\), z is the value of Z that has a p-value of \(\frac{1+0.95}{2} = 0.975\), so the critical value is z = 1.96.

For this problem, the estimate and the sample size are given, respectively, by:

\(\pi = 0.13, n = 200\)

Hence the bounds of the interval are:

\(\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.13 - 1.96\sqrt{\frac{0.13(0.87)}{200}} = 0.0834\)\(\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.13 + 1.96\sqrt{\frac{0.13(0.87)}{200}} = 0.1766\)

As a percentage, the interval is:

(8.34%, 17.66%).

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what is negative 8 plus ninety two

Answers

Answer:84

Step-by-step explanation:

-8+92

Lo puedes dar la vuelta

92-8= 84

Answer:

84

Step-by-step explanation:

So -8 + 92 = 92 - 8

   92

-     8

______

   84

So, -8 + 92 = 84

hope this helps:)

What are the coordinates of the point on the directed line segment from ( − 10 , 5 ) (−10,5) to ( 8 , 2 ) (8,2) that partitions the segment into a ratio of 1 to 2?

Answers

so hmmm say A(-10 , 5) , B(8 , 2) and the point that partitions them is point C.

\(\textit{internal division of a line segment using ratios} \\\\\\ A(-10,5)\qquad B(8,2)\qquad \qquad \stackrel{\textit{ratio from A to B}}{1:2} \\\\\\ \cfrac{A\underline{C}}{\underline{C} B} = \cfrac{1}{2}\implies \cfrac{A}{B} = \cfrac{1}{2}\implies 2A=1B\implies 2(-10,5)=1(8,2)\)

\((\stackrel{x}{-20}~~,~~ \stackrel{y}{10})=(\stackrel{x}{8}~~,~~ \stackrel{y}{2}) \implies C=\underset{\textit{sum of the ratios}}{\left( \cfrac{\stackrel{\textit{sum of x's}}{-20 +8}}{1+2}~~,~~\cfrac{\stackrel{\textit{sum of y's}}{10 +2}}{1+2} \right)} \\\\\\ C=\left( \cfrac{ -12 }{ 3 }~~,~~\cfrac{ 12}{ 3 } \right)\implies \boxed{C=(-4~~,~~4)}\)

Please help, how do I know if it’s a function or not a function?

Please help, how do I know if its a function or not a function?

Answers

Answer:

It is not a function because the number 1 repeats twice (If the numbers in the domain repeat then it is not a function)

Britney building dollhouse that was a scale model of her own house the dog House was 10 inches long while her actual house had a length of 40 feet at the doll house was 8 inches wide how wide is the actual house

Answers

9514 1404 393

Answer:

  32 feet

Step-by-step explanation:

The width of the doll house is 8/10 of the length of the doll house, so the actual house will have a width that is 8/10 of its length:

  (8/10)(40 ft) = 32 ft

The actual house is 32 feet wide.

Simplify the expression -4x(6x − 7).

Answers

Answer: -24x^2+28x

Step-by-step explanation: -4x*6x-(-4x)*7 to -24x^2+28x

WILL GIVE BRAINLIEST!
A soil supplement that weighs 16 lb contains iron, potassium, and mulch. The supplement contains thirteen times as much mulch as iron and twice as much potassium as iron. Find the amount of mulch in the soil supplement.  lb​

Answers

Answer:

The answer is below

Step-by-step explanation:

Let x represent the amount of iron, y represent the amount of potassium and z represent the amount of mulch.

Since the supplement weighs 16 lb, hence:

x + y + z = 16          (1)

Also supplement contains thirteen times as much mulch as iron. Therefore:

x = 13z

x - 13z = 0     (2)

The supplement also has twice as much potassium as iron, hence:

x = 2y

x - 2y = 0          (3)

solving equations 1, 2 and 3 simultaneously gives:

x = 10.1 lb, y = 5.1 lb, z = 0.8 lb

This means that the soil supplement contains 0.8 lb of mulch


Given: angle NPM= angle OMP ,NP = OM
Name the postulate or theorem you can use to prove triangle NPM= triangle OMP
ASA Postulate
AAS Theorem
SAS Postulate
HL Theorem

Given: angle NPM= angle OMP ,NP = OMName the postulate or theorem you can use to prove triangle NPM=

Answers

Answer:

Step-by-step explanation:

Givens

<NPM = <OMP

NP = OM

Solution

<NPM = <OMP                         Given

NP = OM                                  Given

MP = MP                                  Reflexive Property

ΔNPM ≡ ΔOMP                       SAS

Answer

SAS Postulate

Silver gym costs $75 to join their gym plus $25 per training session, world fitness costs $100 to join and only $20 per training session. How many sessions will it take for the cost to be the same?

Answers

Answer:

5 Sessions

Step-by-step explanation:

$75+$25. $100+20 | Prices

125. 140. | + Cost of Session

150. 160

175. 180

200. 200

225. 220

Reasoning Joanne cannot decide which of two washing machines to buy. The selling price of each is $720. The first is
marked down by 50%. The second is marked down by 30% with an additional 20% off. Find the sale price of each
washing machine. Use pencil and paper. Explain why Joanne should buy the first washing machine rather than the
second if the machines are the same except for the selling price.
The sale price of the second washing machine is $
(Round to the nearest dollar as needed.)
CT

Answers

Answer:

Step-by-step explanation:

First Selling price is $360, after mark down.

The second's selling price is $403, after both mark downs

Joanne should buy the first, because of the selling price after mark downs.

Are 5x2 and 5x3 like terms? why or why not? explain...

Answers

No they are not like terms.

Step-by-step explanation:

Because with like terms the variables and exponents have to be the same and both of the 5's are being multiplied by different numbers.

Three machines A, B and C operate independently in a factory. Machine A is out of action for 10% of the time, while machine B is out of action for 5% of the time and machine C for 20% of the time. A rush order has to be commenced at midday tomorrow. What is the probability that at this time: g

Answers

The probability that all three machines (A, B, and C) are operational at midday tomorrow is 0.684, or 68.4% when expressed as a percentage.

To find the probability that all three machines are operational at midday tomorrow, we need to multiply the probabilities of each machine being in action.

The probability of machine A being in action is 1 - 0.10 = 0.90 (since it is out of action for 10% of the time).

The probability of machine B being in action is 1 - 0.05 = 0.95 (since it is out of action for 5% of the time).

The probability of machine C being in action is 1 - 0.20 = 0.80 (since it is out of action for 20% of the time).

Since the machines operate independently, we can multiply these probabilities together to get the probability that all three machines are operational:

Probability (All machines operational) = Probability (Machine A in action) * Probability (Machine B in action) * Probability (Machine C in action)

= 0.90 * 0.95 * 0.80

= 0.684

Therefore, the probability that all three machines (A, B, and C) are operational at midday tomorrow is 0.684, or 68.4% when expressed as a percentage.

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Convert 315 degrees to radian

Answers

Answer:

\(\frac{7\pi }{4}\) radians

Step-by-step explanation:

to convert degrees to radians

radians = degrees × \(\frac{\pi }{180}\) , then

radian measure = 315° × \(\frac{\pi }{180}\) ( cancel 315 and 180 by 45 )

                          = 7 × \(\frac{\pi }{4}\)

                         = \(\frac{7\pi }{4}\)

315 degrees is equal to 5.49779 radians.

To convert degrees to radians, you need to multiply the degree measure by the conversion factor of π/180.

Let's convert 315 degrees to radians:

315 degrees × (π/180)

315×3.14 /180

= 5.49779 radians

Therefore, 315 degrees is equal to 5.49779 radians.

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Simplest radical form

Simplest radical form

Answers

Answer:

\(4 \sqrt{5} \)

☽------------❀-------------☾

Hi there!

~

\(4\sqrt{5}\)

⇒Using the law of radicals

\(\sqrt{a}\) × \(\sqrt{b}\)\(\sqrt{ab}\)

\(\sqrt{80}\)

\(\sqrt{16} \times 5\)   \(= \sqrt{16}\) × \(\sqrt{5}\) \(= 4\sqrt{5}\)

❀Hope this helped you!❀

☽------------❀-------------☾

find three positive numbers whose sum is 220 and whose product is a maximum. (enter your answers as a comma-separated list.)

Answers

x = y = z = 73.33 are three positive numbers whose sum is 220 and whose product is a maximum.

Using Lagrange's multiplier

It is given that x+ y+ z  =220

To maximize product

\(f(x,y,z)=x*y*z\)

And the constraint is

x +y +z=220

\(g(x,y,z)=x+y+z-220\)

And the gradients are:

\(\nabla{f}=(xy,yz,xz)\)

\(\nabla{g}=(1,1,1)\)

Their relation is:

\(f=\lambda\nabla{g}\)

\((xy,yz,zx)=\lambda(1,1,1)\)

we get,

\(xy=yz=zx=\lambda\)

Thus x=y=z

3x=220

x=220/3=73.33

Hence x = y = z = 73.33

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To find the quotient of 726.02 and 1,000, move the decimal point in 762.02___Places to the ____

Choices for blank 1.

A. 2
B. 3
C. 4
D. 5

Choices for blank 2.

A. Left
B. Right
NO LINKS!!

Answers

from blank one five

from blank two is right

A trapezoid has base lengths of 5 meters and 3.5 meters. If the height of the trapezoid is 4 meters, what is the area of the trapezoid?

Answers

Answer:

17 m² or 17 square meters

Step-by-step explanation:

A trapezoid has base lengths of 5 meters and 3.5 meters. If the height of the trapezoid is 4 meters, what is the area of the trapezoid?

Area of a trapezoid =1/2(b1 + b2)h

Where

b1 = First base length = 5m

b2 = Second base length = 3.5 m

Height = 4m

= 1/2(5m + 3.5m) × 4m

= 1/2(8.5m) × 4m

= 1/2 × 8.5m × 4m

= 17 m²

Therefore, the area of the trapezoid is 17 m² or 17 square meters

To solve the separable differential equation dy / dx = 8y, we must find two separate integrals (put the constant 8 in the y integral and use C for the constant of integration): dy = and dx = Solving for y we get that y = (you must use k as your constant) and find the particular solution satisfying the initial condition y(0) = -2. y(x) =

Answers

To solve the separable differential equation dy/dx = 8y, we must first separate the variables, resulting in two separate integrals. We will have dy/y = 8 dx. Now, we need to find the integrals:

1) Integral of dy/y:
∫(1/y) dy

2) Integral of 8 dx:
∫8 dx

Next, we solve the integrals:

1) ∫(1/y) dy = ln|y| + C₁
2) ∫8 dx = 8x + C₂

Now, we combine these results to find the general solution:
ln|y| = 8x + C, where C = C₂ - C₁.

To solve for y, we take the exponent of both sides:
y = e^(8x + C) = e^(8x)e^C. We can write e^C as a new constant k, so y = ke^(8x).

Now, we need to find the particular solution satisfying the initial condition y(0) = -2. To do this, plug in the values into the equation:

-2 = k * e^(8 * 0)
-2 = k * e^0
-2 = k * 1
k = -2

So the particular solution satisfying the initial condition is y(x) = -2e^(8x).

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Express the quantity of water flowing into a tank as a linear function of time. Then identify the quantity of water in the tank after 50 minutes.

Answers

what was the answer

Answer:

y = 1.8x + 219; 309 gal

Step-by-step explanation:

Suppose that a sales person observes that if an item is priced at $9 per item then 6 items are sold. If 4 items are sold for $11 per item then find a linear equation to model the number y of items sold for x dollars per item. Find the slope-intercept form of the equation of the line.

Answers

Answer:

y = -x + 15

Step-by-step explanation:

if an item is priced at $9 per item then 6 items are sold.

Thus, the input is 9 while the output is 6.

Thus, we can say; x, y = (9, 6)

4 items are sold for $11 per item. Thus, the coordinate is; (11, 4)

Now,slope is;

m = (y2 - y1)/(x2 - x1)

m = (4 - 6)/(11 - 9)

m = -2/2

m = -1

We know that slope intercept form is;

y = mx + c

Let's try the first point.

Thus;

6 = -1(9) + c

6 + 9 = c

c = 15

Thus, equation of line is;

y = -x + 15

Please help solve this:

27x^2 + 15x + 10 = 0

I don't get what I need to do.​

Answers

\(▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪\)

Let's solve for x :

\(27 {x}^{2} + 15x + 10 = 0\)

Using quadratic formula ~

\( \boxed{ \frac{ - b \pm \sqrt{b {}^{2 } - 4ac}}{2a} }\)

where,

b = 15

a = 27

c = 10

let's find the roots ~

\( \dfrac{ - 15 \pm \sqrt{( {15})^{2} - (4 \times 27 \times 10)} }{(2 \times 27)} \)

\( \dfrac{ - 15 \pm \sqrt{225 - 1080} }{54}\)

\( \dfrac{ - 15 \pm \sqrt{ - 855} }{54} \)

\( \dfrac{ - 15 \pm3 \sqrt{95} \: i}{54}\)

\( \dfrac{ - 15}{54} \pm \dfrac{3 \sqrt{95} }{54} i\)

So, the required roots are ~

\(x = - \dfrac{5}{18} + \dfrac{3 \sqrt{95} }{54} \)

and

\(x = - \dfrac{5}{18} - \dfrac{3 \sqrt{95} }{54} \)

There is no real roots, both the roots are imaginary ~

Solve:
5(n — 3) = 30

Answers

Answer:

n = 9

Step-by-step explanation:

5(n-3) = 30

Expand the brackets. (Multiply n by 5 then multiply -3 by 5.)

5n-15 = 30

Isolate 5n.

5n = 30+15

Evaluate.

5n = 45

Find n.

n = 45 ÷ 5

n = 9

Answer:

n = 9

Step-by-step explanation:

1) divide both sides by 5 to cancel it out

       (n-3=6)

2) add 3 to each side to cancel out the -3

       (n=9)

You could factor the 5 to get 5n-15=30 but dividing by 5 just makes the number easier

(please help me out )In a recent year, 33.1% of all registered doctors were female. If there were 46,600 female registered doctors that year, what was the total number of
registered doctors?
Round your answer to the nearest whole number

Answers

Answer:

im not gonna lie cat i have no clue.

Step-by-step explanation:

Answer:

140785

Step-by-step explanation:

The number is x. Write the mathematical expression for: Five more than the product of the number and six. The mathematical expression is _

Answers

Answer:

(6x)+5

Step-by-step explanation:

Product of a number and six is saying there is a number "X" and 6 being multiplied

The part saying five more is saying you are adding five to the rest of the equation

Which two numbers whose sum is 36 have the greatest product? What is that product?

Answers

Answer:

324

Step-by-step explanation:

18 + 18 = 36

18 x 18 = 324

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