David wishes to build a circular fish pond. The diameter of the pond is to be 3m.
a. How many lineal meters of bricks are needed to surround it? Round your answer to two decimal places.
b. What is the coast if the bricks are $45 per meters? ( Use your answer from part a.)

Answers

Answer 1

Answer:

9.42m , $423.9

Step-by-step explanation:

C = 2πR

so, 2*3.14*1.5

=9.42478m

9.42*$45

= $423.9


Related Questions

(02.02 MC) Triangle ABC is shown. A is at negative 2, 1. B is at negative 1, 4. C is at negative 4, 5. If triangle ABC is reflected over the x‐axis, reflected over the y‐axis, and rotated 180 degrees, where will point B' lie? (−1, 4) (1, −4) (4, −1) (−4, 1)

Answers

Answer:

(-1,4)

Step-by-step explanation:

 

Point B in the pre-image is at (-1,4).

 

If triangle ABC is reflected over the x‐axis, the y-coordinate changes to its negative value, thus we have the transformation:

Next, if the point (-1,-4) is reflected over the y‐axis, the x-coordinate changes to its negative, Thus, we have the transformation:

Finally, a rotation by 180 degrees will give the coordinates of B' as:

The point B' will lie in (-1, 4) [ the same place as B].

The coordinates of point B' are [tex](-1,4)[/tex]. So, the first option is correct.

Given:

The vertices of a triangle ABC are [tex]A(-2,1), B(-1,4)[/tex] and [tex]C(-4,5)[/tex].

Triangle ABC is reflected over the x‐axis, reflected over the y‐axis, and rotated 180 degrees.

To find:

The point B'.

Solution:

If a figure reflected over x-axis, then

[tex](x,y)\to (x,-y)[/tex]

[tex]B(-1,4)\to B_1(-1,-4)[/tex]

If a figure reflected over y-axis, then

[tex](x,y)\to (-x,y)[/tex]

[tex]B_1(-1,-4)\to B_2(-(-1),-4)[/tex]

[tex]B_1(-1,-4)\to B_2(1,-4)[/tex]

If a figure rotated 180 degrees about the origin, then

[tex](x,y)\to (-x,-y)[/tex]

[tex]B_2(1,-4)\to B'(-(1),-(-4))[/tex]

[tex]B_2(1,-4)\to B'(-1,4)[/tex]

So, the coordinates of point B' are [tex](-1,4)[/tex].

Therefore, the first option is correct.

Learn more:

https://brainly.com/question/12907061

If 2^2x = 2^3, what is the value of x?

Answers

Answer:

X = 3/2.

Step-by-step explanation:

Please refer to the attachment given above.

The value of x in the equation 2[tex]^{(2x)}[/tex] = 2³ is 1.5.

To find the value of x in the equation 2[tex]^{(2x)}[/tex] = 2³, we can use the property of exponents that states: If two exponential expressions have the same base and are equal, then their exponents must be equal.

In this case, we have 2[tex]^{(2x)}[/tex] = 2³. Since the bases are the same (both are 2), we can equate the exponents:

2x = 3

Now, to solve for x, divide both sides by 2:

x = 3/2

So, the value of x is 3/2 or 1.5.

To know more about equation

https://brainly.com/question/29174899

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a) Show that the equation x^3 + 6x - 5 = 0 has a solution between x = 0 and x = 1

Answers

Answer:

Since [tex]f(0) < f(x) < f(1)[/tex], there is a solution for [tex]f(x)[/tex] between [tex]x = 0[/tex] and [tex]x = 1[/tex].

Step-by-step explanation:

A solution of the polynomial is a root such that sign of dependent value changes, either from positive to negative or from negative to positive. Let [tex]f(x) = x^{3} + 6\cdot x - 5[/tex], [tex]x[/tex] is a solution of the equation if and only if [tex]f(x) = 0[/tex]. We proceed to evaluate the function at each bound:

x = 0

[tex]f(0) = 0^{3}+6\cdot (0) - 5[/tex]

[tex]f(0) = -5[/tex]

x = 1

[tex]f(1) = 1^{3}+6\cdot (1) - 5[/tex]

[tex]f(1) = 2[/tex]

Since [tex]f(0) < f(x) < f(1)[/tex], there is a solution for [tex]f(x)[/tex] between [tex]x = 0[/tex] and [tex]x = 1[/tex].

Adam is selling cookies for a fundraiser. The cookies cost him $1.49 a box. He is selling them for $2.25 a box. Adam sold 209 boxes of cookies. How much profit did Adam earn?

Answers

Adam earned $158.84 dollars.

Help me help me help me

Answers

Answer:

The ratio is 5:4 and the only one that fits is 25,20 so that's the answer.

Step-by-step explanation:

5:4 is the ratio...............

PLEASE HELP ITS MATH!!!!


This triangle has one side that lies on an extended line segment. Based on this triangle, what statement about x is true? A. x = 27 because 180−109−44=27 B. x = 65 because 109−44=65 and 44 + 65 = 109 C. x = 71 because 180−109=71 D. x = 153 because 109 + 44 = 153 and 153−44=109


MEASUREMENTS (down below)


A triangle with base on an extended line. Two angle measures are given. Top interior angle is forty-four degrees. Lower right exterior angle is one hundred nine degrees. Lower left interior angle is labeled x degrees.

Answers

Answer:

B. x = 65 because 109−44=65 and 44 + 65 = 109

Step-by-step explanation:

Given :

The triangle below :

Sum of interior angles of a triangle :

(44° + x + (180 - 109) = 180°

44° + x + 71° = 180

115° + x = 180°

x = 180° - 115°

x = 65°

Please answer this question

Answers

Answer:

THIS QUESTION IS VERY COMPLICATE SO I CAN'T ANSWER THIS QUESTION

How does paragraph 2 help to develop the main ideas of the text?
A
It argues that a university education is less important than national service,
B
It introduces the idea of giving back to society through national service,
It outlines the similarities between academic learning and national service
D
It presents some financial reasons for students to consider national service,

Answers

no one can tell you what paragraph 2 says if there’s not a picture of paragraph 2

Need help with this (10 points)

Answers

Answer:

5 is greater than equal to 5. So f(5)=5+8=13

Step-by-step explanation:

Ned wrote the following statement:
"You can only draw one unique isosceles triangle that contains an angle of 80º."
Which statement is true? (1 point)

Answers

Answer:

You didnt show the statements...

Step-by-step explanation:

1/2 x 1/2 x 1/2 =
what is the Answer?

Answers

Answer:

.3

Step-by-step explanation:

help me please i don’t understand

Answers

Answer:

please go through the steps

50:15
There are 12 boys and 16 girls in a classroom. Which represents the simplified ratio of girls to students in the classroom?
O 3 to 4
О 4 to 3
0 4 to 7
O 7 to 4

Answers

Answer:

12:16 is boys to girls

16 : 28 is girls to everyone so..

4 to 7, the third answer

Brainiest plz?   :)

Help I need to turn this in today :)

Answers

Answer:

132 cm squared

Step-by-step explanation:

6x5=30

6x5=30

6x8=48

1/2(8x3)=12

1/2(8x3)=12

Total added together is 132 cm squared

Hayhay#5682
add me plz


4 x 6 = 24

Answers

I will later

Your answer is 24

May nilbin be with you

mm yes 24 correct answer soo

how many solutions does x=-2 have

Answers

Answer:

One solution

Step-by-step explanation:

In a one- variable equation has infinitely many solutions when solving results in a true statement, such as 2=2

In a one- variable equation has one solution when solving results in one value for the variable, such as x = 5

In a one - variable equation has no solution when solving results in an untrue statement, such as 2=3

So, in this case the result x = -2 belongs to the 2nd sentence where it says one solution.

Hope this helps :)

Class A has 20 pupils and class B has 22 pupils.
Both classes sit the same maths test.
The mean score for class A is 40.
The mean score for both classes is 47.
What is the mean score (rounded to 2 DP) in the maths test for class B?

Answers

What is the question?

40×20=800 i just gest so if you wana delite my answer go then

This figure is 1/4 of a circle.
What is the best approximation for the perimeter of the figure?
Use 3.14 to approximate pi.

A 4.7 cm

B 7.7 cm

C 10.7 cm

D 18.8 cm

Answers

Answer:

7.7

oof oof oof oof oof oof oof oof oof oof oof

Answer:

10.7

Step-by-step explanation:

Explain whether the graph represents a function.

Answers

Answer:

The vertical line test can be used to determine whether a graph represents a function. ... If we can draw any vertical line that intersects a graph more than once, then the graph does not define a function because that x value has more than one output. A function has only one output value for each input value.

Can y’all help with this math question? Plz

Answers

The circumference is basically the radius times 2. So if the radius of that circle is 8, then you would add 8 plus 8, which is 16.
The answer would be 16pi or approximately 50.27 because c=2•pi•r, r=8, so it would be 2•pi•8 which equals 16pi or approximately 50.27

if ABCD is a parallelogram then what is the measure of < A - <C​

Answers

Answer:

The answer is 0.

A shipping container will be used to transport several 70-kilogram crates across the country by rail. The greatest weight that can be loaded into the container is 23500 kilograms. Other shipments weighing 9700 kilograms have already been loaded into the container. What is the greatest number of 70-kilogram crates that can be loaded into the shipping container?

Answers

Subtract what has already been loaded from total amount allowed:

23500 - 9700 = 13,800

Divide the amount left by the weight of each crate:

13,800 / 70 = 197.14

They can load 197 crates.

Find four consecutive integers such that 8 times the sum of the first and the third is 40
greater than 10 times the fourth.

Answers

The consecutive integers are 9,10,11,12.

It takes 3 1/2 spoons of chocolate syrup to make 3 2/5 gallons of chocolate milk. How many spoons would it take to make 4 gallons of chocolate milk?

Answers

Answer:

4 2/17

Step-by-step explanation:

It takes 3 1/2 spoons of chocolate syrup to make 3 2/5 gallons of chocolate milk

3 1/2= 3 2/5

7/2= 17/5

1 gallon = 7/2÷17/5

= 7/2 × 5/17

= 35/34

Therefore the number of spoons required to make 4 gallons

= 4 × 35/34

= 140/34

= 70/17

= 4 2/17

f(2) if f(x) = 2x - 5

Answers

Answer:

The answer is 4.

Step-by-step explanation:

Answer:

f(2) = -1

Step-by-step explanation:

Plug in 2 for x in the equation: f(2) = 2(2) - 5

Remember order of operations/ PEMDAS

f(2) = 4-5                  

f(2) = -1

¿conjunto de fuerzas aplicado sobre un objeto de manera que la linea de accion de todas las fuerzas convergan en un mismo punto?, ¿ cual es el conjunto de esas fuerzas? ​. agradecería mucho si lo contestan porfis uwu

Answers

Answer:

Fuerzas Convergentes

Fuerza Resultante

express the given number 5,120,000 in scientific notation

Answers

Answer:

5.12 * 10^6

Step-by-step explanation:

Solve for x: x/7 - 3 ≥ 8.

Answers

Answer:

x is more than or equal to 77

Step-by-step explanation:

solve 3p+2c is greater or equal to 120 and graph the solution

Answers

Answer:

equal to 120

3p+2c is equal to 120 and graph the solution.

3p+2c is equal to 120 because
3 times 20=60
2 times 30 =60
60+60=120
P=20
C=30

What is a dot plot and how do you read it? Check all that apply.
O A dot plot is a simple plot that displays data values as dots above a number line
O Dot plots show the frequency with which a specific item appears in a data set.
O 3 students spent 4 hours on homework.
O 5 students spent 2 hours on homework.
O Dot plots show the distribution of the data.
O Students spent 1 to 6 hours on homework.​

Answers

Answer:

I need help on the same exact question.I'll figure it out for you though

Step-by-step explanation:

So I think it's the first one, the fourth one, and the last one, and the second one.

I hope it helps you!

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