You want to install a 1-yd walk around a circular swimming pool. The diameter of the pool is 20 yd. What is the area of the walk?

Answers

Answer 1

Answer:

Area=π*r*r

π=3.14

3.14*20*20=1256


Related Questions

5. Find the product of X2 and Z2 ________
This is Quantitative ​

Answers

Answer:

it would be [tex]x^2z^2[/tex]

Step-by-step explanation:

you would just put the x^2 next to the z^2 in this case.

A game is played with a spinner on a circle, like the minute hand on a clock. The circle is marked evenly from 0 to 100, so, for example, the 3:00 position corresponds to 25, the 6:00 position to 50 and so on. The player spins the spinner, and the resulting number is the number of seconds he or she is given to solve a word puzzle. If 100 players are randomly selected, what is the approximate probability that the average time these players will get to solve the puzzle is between 44 and 56 seconds

Answers

Answer:

P( 44 < X < 56 ) =  0.12

Step-by-step explanation:

Number of seconds one gets to solve the puzzle ( X )

E( X ) = 100 + 0 ) / 2 = 50

Var ( X ) = 833.3333

бx = √833.3333  =  28.868

Determine The approximate probability

P( 44 < X < 56 ) = Δ time given / number of players selected

P( 44 < X < 56 ) = (56 - 44) / 100

                          = 12 / 100 = 0.12

Is this graph linear or exponential

Answers

its a graph linear i believe

Find the total surface area of the net below

Answers

Therefore ,answering the offered question, we can state that the figure's surface area is SA = 2(9 11+11 9+11 * 11), which equals SA = 638 in2.

What precisely is surface area?

Surface area is a measure of how much space an object's surface takes up overall. The total area of a three-dimensional shape's surroundings is its surface area. Surface area refers to the total surface area of a three-dimensional shape. You may compute the contact area of a cube with six square faces by adding together their individual areas. Alternatively, you can use the following formula to name the box's dimensions: Surfaces (SA) = 21 h + 2 lw + 2 hw. A tri shape's surface area is calculated as the total amount of space it occupies.

Here,

Front = rear = 11*11

top = bottom = 9*11

sides = 11*9;

SA= 2(911+119+1111)

SA=2(9999 +121)

SA = 2(319) (319)

SA = 638 in²

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A bakery sells mocha cupcakes and chocolate cupcakes. One day it sold 161 mocha
and 299 chocolate. What percent of the cupcakes sold that day were mocha?

Answers

Answer:

35%

Step-by-step explanation:

35% percent of the cupcakes were mocha

161 +299 =460
161 divided by 460 is 0.35
Which is 35% we’re mocha cupcakes

It takes 7 hours for 12 men to paint a room.
How many men would be needed to paint the room in 3 hours?

Answers

Answer:

28(brainlestplzzzzzzzzzzzzzzz)

Step-by-step explanation:

Answer:

28 men will be needed for three hours.

Step-by-step explanation:

7 hours --- 12 men

1 hour --- (12 * 7) 84 hours

3 hours --- (84/3) = 28 hours

Thenks and mark me brainliest :)))

Help ASAP!!! Which of the following terms correctly describes the object below?

Answers

Answer:

The letters:

A.

B.

E.

Step-by-step explanation:

why?

A = it is a polygon

B = it's a solid figure

E = it's a prism (pentagonal prism)

HOPE IT HELPS

(FROM CROSS)

A dice is rolled. What is the probability of rolling a 6 or less than 4?

Answers

Answer:

Rolling a 6 would be 1 in 6

And rolling a four or less would be 4 in 6

Step-by-step explanation:

S= {1,2,3,4,5,6}

|S|=6

E=rolling a 6 orless than 4

➜{1,2,3,6}

|E|=4

P(E)=|E| /|S|

➜4/6

➜2/3

Surface area & volume. HELP please I don’t know how to do this I need the steps if possible :(

Answers

Answer:

Surface Area is 78 un.

Volume is 40 un³.

Step-by-step explanation:

A = 2(wl + hl + hw)

2 · (4 · 5 + 2 · 5 + 2 · 4)

2 · 38

76

V = whl

4 · 2 · 5

40 un³

What are the roots of the equation x2 – 14x + 74 = 0 in simplest a + bi form?

Answers

[tex]\huge\text{Hey there!}[/tex]

[tex]\large\text{Use these formulas to solve for this equation.}\\\\\\\mathsf{ax^2 + bx + c = 0}\\\\\\\mathsf{x = \dfrac{-b \pm\sqrt{b^2-4ac}}{2a}}[/tex]

[tex]\mathsf{x^2-14x + 74= 0}[/tex]

[tex]\mathsf{1x^2 + (-14x) + 74= 0}[/tex]

[tex]\large\text{Whereas, a = 1, b = -14, \& c = 74}[/tex]

[tex]\mathsf{x =\dfrac{-(-14)\pm \sqrt{(-14)^2 - 4(1)(74)}}{2(1)}}[/tex]

[tex]\mathsf{-(-14) = \bf 14}\\\\\mathsf{(-14)^2-4(1)(74)=\bf -100}[/tex]

[tex]\mathsf{x = \dfrac{14\pm \sqrt{-100}}{2}}[/tex]

[tex]\boxed{\boxed{\large\textsf{Answer: \huge \bf No real solutions}}}\huge\checkmark[/tex]

[tex]\large\text{Good luck on your assignment and enjoy your day!}[/tex]

~[tex]\frak{Amphitrite1040:)}[/tex]

Answer:

[tex] \Large{\boxed{\sf x= 7 \pm 5i} } [/tex]

[tex] \\ [/tex]

Explanation:

The given equation is a quadratic equation. In other words, it is written in the form ax² + bx + c = 0, where a ≠ 0.

[tex] \\ [/tex]

We will solve this equation using the quadratic equation, which is the following:

[tex] \sf x = \dfrac{- b \pm \sqrt{b^2 - 4ac}}{2a} [/tex]

[tex] \\ [/tex]

First, let's identify the value of the coefficients a, b, and c:

a = 1b = -14c = 74

[tex] \\ [/tex]

Then, substitute these values into the quadratic formula:

[tex] \sf x= \dfrac{-(-14) \pm \sqrt{(-14)^2 - 4(1)(74)}}{2(1)} = \dfrac{14 \pm \sqrt{-100}}{2} [/tex]

[tex] \\ [/tex]

Simplify the expression knowing that [tex] \sf \sqrt{-1} = i [/tex], and keep in mind the following property:

[tex] \Large{\boxed{\sf \sqrt{ab} = \sqrt{a}\sqrt{b} }} [/tex]

[tex] \\ [/tex]

[tex] \sf x= \dfrac{14 \pm \sqrt{100 \times (-1) }}{2} = \dfrac{14 \pm \sqrt{100} \times \sqrt{-1}}{2} = \dfrac{14 \pm 10 \times i }{2} \\ \\ \implies \boxed{\boxed{\sf x= 7 \pm 5i}} [/tex]

[tex] \\ [/tex]

Therefore, the two complex conjugate roots of this equation are x = 7 + 5i and x = 7 - 5i.

[tex] \\ [/tex]

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I need this question ASAP GUYS PLEASE!!!! ITS EASY FOR YO GUYS I PROMISE BUT NO ME

Answers

Answer:

Mei is correct because -9 is to the left of -3 on the number line. ( -9<-3)

Answer:

Mel is correct because -9 is to the left of -3 on the number line.

Step-by-step explanation:

This is because numbers on the left are less so -9 is less than -3.

Find f(2) for the following quadratic.
• Write your answer as a number only.

Answers

Setting x=2 in the function is the simplest approach to discover f(2). However, you might plot the graph of f(x) and the vertical line x=2 to visually solve this.

How do you find f 2 on a parabola?

Set x=2 in the function for the quickest and easiest method to discover f(2). Plotting the graph of f(x) and the vertical line x=2 would allow you to visually answer this problem. Next, the graphs' intersection will represent the answer. The "x" in "f (x)" is known as "the function's argument" or simply "the argument" in function notation.

As a result, if they ask for a "argument" and offer you the equation "f (2)," all you have to say is "2." Now (1) f(2)=2(2+1)=2×3=6.If our function's value is f(2), then we should calculate its value when x=2. Example. If x = 2, then f(2) = 2 + 7 = 9. F(x) = x + 7. GF(2), also known as the Galois field of two elements, or F2, the chemical formula for fluorine. F2 is a tornado intensity category on the Fujita scale.

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PLEASE HELP
Classify the solid.
Your answer

Answers

Answer:

Square pyramid

Step-by-step explanation:

Hope this helps

PLSS ANSWER SOMEONE I ONLY HAVE A FEW MINUTES I GIVE POINTS

Answers

4 !!! it’s four . ik bec i counted it up to four

C.
How many minutes is 9.5 hours?​

Answers

570 Minutes
1 hr=60 mins
9.5hr x 60 = 570

Only answer if you’re sure :) need full equation. Will give Brainly!

Answers

Answer:

Step-by-step explanation:

Only one answer will do for this question and that is 1.

y/x = 5/5  =   1

y/x = 6/6  =  1

y/x = 1/1 = 1

The one you have to be careful with is when x = 0 y = 0. You can't solve this by using y/x  because 0/0 is undefined at this point.

Solve the problem.
2) A theatre sells two types of tickets to their plays; children's tickets and adult tickets. For today's
performance they have sold a total of 914 tickets. Also, they have sold 80 more adult tickets than
children's tickets. How many children's tickets have they sold?
A) 421
B) 419
C) 413
D) 417

Answers

Answer:

417

Step-by-step explanation:

bc i said so

Two exponential functions, f and g, are shown in the figure below, where g is a transformation of f.
19.
4-
2
4
x
Which of the equations given below describes the transformation of f?
OA. g(x) = f(x) - 4
OB.
g(x) = 4f(x)
O c.
g(x) = f(x) + 4
OD.
g(x) = -4f(x)
E

Answers

The transformation of f (x) exists g (x) = f (x) - 4.

What is meant by exponential functions?

A mathematical function using the following formula is an exponential function: f (x) = an x. where x is a variable and an is a fixed amount known as the function's base. The transcendental number e, or roughly 2.71828, is the most often encountered exponential-function base.

A function that has a positive constant increased to a variable exponent, other than 1, is referred to as an exponential function. By solving at a certain input value, a function is assessed. When the beginning value and growth rate are known, an exponential model can be discovered.

We observed that:

f (0) = 2

For the function g (x) we have:

g (0) = -2

Therefore,

g (x) = f (x) - 4

Looking for intersection with axis and we have:

g (0) = f (0) - 4

g (0) = 2 - 4

g (0) = -2 (correct demonstration)

The transformation of f (x) is: A. g (x) = f (x) - 4

Therefore, the correct answer is option A. g (x) = f (x) - 4.

The complete question is;

Two exponential functions, f and g, are shown in the figure below, where g is a transformation of f.

Which of the rules given below shows the transformation of f?

A. g(x) = f(x) - 4

B. g(x) = f(x - 4)

C. g(x) = f(x) + 4

D. g(x) = f(x + 4)

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Can someone help please will give brainliyist

Answers

Answer:

slope is 3/4 or .75

Step-by-step explanation:

Equation of line is

y= .75 + 1.5

hope this helps :)

a metal washer fabrication machine makes metal washes with a Target diameter of u=10.5 millimeters. the machine has some variability Southeast standard deviation of the diameter is o= 0.003 millimeters. same machine operator inspects a random sample of 9 washers each hour quality control purposes and record the sample mean diameter, x. assuming the process is working properly what are the mean and standard deviation of the sampling distribution of x?​

Answers

Answer: ux= 10.5, ox= 0.001

Step-by-step explanation:

I took the test and got it right

PLEASE HELP NOW!!!! WILL GIVE BRAINLIEST!!!

Answers

Answer:

0.48 is the correct answer

Tyler’s brother earns 14 per hour. The store offers him a raise a 15% increase per hour. After the raise, how much will Tyler brother make per hour

Answers

Answer: 16.10

Step-by-step explanation:

$14 + 15% increase rate = 16.10


15% = 2.10

Please Help! Need this to pass :/

Answers

Answer:

51°

Step-by-step explanation:

.........................

HELP ME PLEASE RIGHT NOW ASAP

Answers

The representation of the set builder notations are:

{y | 22.3 < y ≤ 77.5}: Set of values above 22.3 that do not exceed 77.5{w | w ∈ Z}: Set of all integers{x | x > -1}:  Set of values greater than -2{t | t ∈ Q}: Set of all rational numbers

How to determine what the set builder notations represent

From the question, we have the following parameters that can be used in our computation:

The set builder notations

Solving: set builder notation 1

This is given as

{y | 22.3 < y ≤ 77.5}

The less than (<) operator means that the smallest value of y is greater than 22.3 and the operator ≤ means that the highest is 77.5

Solving: set builder notation 2

This is given as

{w | w ∈ Z}

The notation Z means integers

This means that the set w is the set of all integers

Solving: set builder notation 3

This is given as

{x | x > -1}

The greater than (>) operator means that the smallest value of y is greater than -1

Solving: set builder notation 4

This is given as

{t | t ∈ Q}

The notation Q means rational numbers

This means that the set t is the set of all rational numbers

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PLS WAMSER ILL GIVE YOU BRAINLIEST

Answers

He will need about 100 in^2

Which property of real numbers is utlities by rewriting 11x+5xy as x(11+5y)

Answers

9514 1404 393

Answer:

  distributive property

Step-by-step explanation:

The distributive property of multiplication over addition tells you ...

  a(b +c) = ab +ac

This works both ways, allowing you to eliminate or add parentheses as may be needed.

The common factor of ...

  11x +5xy

is x. It may be factored out according to the distributive property to give ...

  x(11 +5y)


Question 7: I Can Identify the Slope and Y-intercept in an Equation.

Answers

Answer:

a) m = 3   b = 1/5

b) y = 1/2x - 3

Step-by-step explanation:

y=mx+b

15) Find x if m m/MTU = 38°, and m/STU = 2x + 88.

x + 50 = 2x + 88

Answers

Therefore , the solution of the given problem of equation comes out to be  x = 38.

What is equation?

Equivalent is the meaning of the Latin term equ. A lot of variable words in the English language, such as adequate, equator, and equality, have Latin roots as their root words. Since both side of an equations are, by definition, "equal" to one another, the Latin root term equ makes its way into our vocabulary quite simply.

Here,

Given : m m/MTU = 38°, and m/STU = 2x + 88.

thus,

x + 50 = 2x + 88

To find the value of x:

We do,

=> x + 50 = 2x +88

=> x -2x  = 88 -50

=> -x = -38

=> x = 38

Therefore , the solution of the given problem of equation comes out to be x = 38.

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10. A function has a period of pi/2
a. What is the value of B?
b. What is the frequency?

Answers

Answer:

b is corect

Step-by-step explanation:

is it possible to have an inscribed circle by using centroid as the centre ?​

Answers

Answer:

Yes, it is possible

Step-by-step explanation:

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