a circle has an area of approximately 201.06 cm^2. If the radius doubled, what is the approximate area of the new circle?

Answers

Answer 1
804.24 - we know this because the area of a circle is r^2*pi. If we double the radius we get (2r)^2*pi or 4r^2*pi. We notice that this is just 4 times the area of the original circle, equating to 804.24.

Related Questions

\text{Time (hours)}Time (hours) \text{Earnings (dollars)}Earnings (dollars)
4 \$70.8099 \$159.30
28 \$495.60
How long does it take him to make \$132.75

Answers

Answer:

7.5 hrs.

Step-by-step explanation:

First we need to find how much Magan earns per hour using the slope-intercept form: y = mx + b

Slope (m) = [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]

We will be using: (4, 70.80) and (9, 159.30) to find the slope of this table..

[tex]m=\frac{y_2-y_1}{x_2-x_1} \\\\m=\frac{159.30-70.80}{9-4} \\\\m=\frac{88.50}{5} \\\\m=17.7[/tex]

y = mx + b

y = 17.7x + b

I will be using (4, 70.80) to find the value of b

(4, 70.80)

y = 17.7x + b

70.80 = 17.7(4) + b

70.80 = 70.80 + b

-70.80  -70.80

0 = b

y = 17.7x + b ==> y = 17.7x + 0 =  OR  y = 17.7x (since the value of b is 0)

The question wants us to find out how long it took Magan to make $132.75

y = 17.7x

132.75 = 17.7x

/17.7        /17.7

7.5 = x

This means that it took him 7.5 (seven and a half) hours to make $132.72

*View the attached graph to confirm the answer*

Hope this helps!

Look at the picture then answer the question

Answers

Answer:

B). 2(6-2)

Thanks!

Mark me brainliest!

Answer:

2 X (6-2) or 2 (6-2)

Please mark as brainliest

please please help will give brain!

Answers

Answer:

B: Gamma Rays.

Step-by-step explanation:

Gamma Rays are the shortest waves on the electromagnetic spectrum, which means that they have the highest frequency.

please help someone answered but it was wrong

Answers

Answer:

112

Step-by-step explanation:

degrees since the diagonal lines are parallel I forgot the name of the formula

Find X please show work!

Answers

Answer:

x=35

Step-by-step explanation:

The sum of the angles of the triangle is 180

x+10  + x  + 3x-5  = 180

Combine like terms

5x +5 = 180

Subtract 5 from each side

5x+5-5= 180-5

5x = 175

Divide each side by 5

5x/5 =175/5

x=35

Answer:

35 is correct answer

Multiply.

​1/6 ⋅ 3/4​

Express your answer in simplest form.




4/10

3/10

1/8

1/6

Answers

Answer:

The result is 1/8

Step-by-step explanation:

What you do is simplify the fractions, like I did in the picture:

sorry, I couldn't crop it in any other way.

I hope it helped!

4/10 which you would divide both sides by 2 which would equal 1/8 is your final answer! hope that helped :))

How would you graph the result of -3 + 5 as a point on the number line?

eight places to the right of zero
eight places to the left of zero
two places to the right of zero
two places to the left of zero

Answers

Answer:

Two places to the right of zero

Step-by-step explanation:

Answer:

2 places to the right

Explanation:

-3 + 5 = 2

can someone help me asap and guys i need all 4 answers please

Answers

Please include the question.

i cant find the questions

ANSWER ASAP WILL MARK BRAINLIEST
Use point-slope form, y - y1 = m(x - x1), to find the linear equation of a line that passes through the points
(2, -1) and (10, 7).

y =
x
+

Answers

Use substitution to help you
the answer would be: y=x-3

Best answer gets Brainliest and 50 points Write 5 paragraphs. 1st paragraph: Introduction. 2nd paragragh:1st reason you should make that law. 3rd paragraph:2nd reason you should make that law. 4th paragraph: 3rd reason you should make that law. 5th paragraph: Inconclusion Write about an idea you think should become a law. Be sure to include 3 reasons your idea should be a law, and support your paragraph

Answers

Answer:

Plastic, the wonder material that we use for everything and which pollutes our environment, is perhaps the most harmful of trash dumped by mariners and sea-goers in sea because it does not readily break down in nature. In-fact, the plastic that goes over the side today may still be around in hundreds of years to foul up the fishing gear, boat propellers, and beaches of future generations.

Careless disposal of plastic can have dire consequences. A plastic bag looks like a tasty jellyfish to an indiscriminate feeder like the sea turtle, but plastic is indigestible. It can choke, block the intestines of, or cause infection in those animals that consume it.

A plastic bag can also clog an outboard engine’s cooling system. Lost or discarded monofilament fishing line can foul propellers, destroying oil seals and lower units of engines, or it can become an entangling web for fish, seabirds, and marine mammals.

According to the Centre for Marine Conservation, over 25,000 pieces of fishing line were collected from U.S. beaches during the 1996 annual beach clean-up and at least 40% of all animal entanglements reported during the clean-ups involved fishing line.

Every day, more and more plastic is accumulating in our oceans. Recreational boaters are not the only group that improperly disposes off plastic refuse at sea. Plastics also enter the marine environment from sewage outfalls, merchant shipping, commercial fishing operations, and beachgoers.

Step-by-step explanation:

hope this help'<'

What is the mean of this data set?

{4, 7, 13, 3, 9}

Enter your answer as a decimal in the box.

Answers

Answer:

7.20

Step-by-step explanation:

the mean is average

to find the mean add all number then divide by how many there are sooo

(4 + 7 + 13 + 3 + 9)/ 5

36/5

7.2

A data set's mean is the average of a data set. The mean of this data set is 7.2.

What is the mean of a data set?

A data set's mean (average) is calculated by summing all of the numbers in the set and dividing by the number of values in the set.

The mean of this data set can be written as,

[tex]\rm Mean = \dfrac{4+7+13+3+9}{5} = 7.2[/tex]

Hence, the mean of this data set is 7.2.

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how does knowing the difference between the gain and the loss tell you the overall result?

Answers

Unlike gains, there are is no outflow of money for taking a loss; it simply means that the sale of an asset wasn't greater than the original cost.

I found this very interesting!

Knowing the difference between the gain and the loss is essential to determine if a result is positive or negative, especially in commercial or economic operations.

Thus, the existence of a greater amount of negative elements than positive ones will imply a loss, with which it will not be recommended to carry out the activity given the high risk of loss.

In this way, a previous study of the conditions and probabilities of the operation can prevent losses and favor positive results.

Learn more in https://brainly.com/question/16668156

pls help me need it rn PLS

Answers

1) $60 2)$80 3)$78
Exp:
1)30x/100=18. 3x/10=18. 3x=180 x=$60
2)60= 75/100•Y Y=60•100/75 Y=80
3)(60•130)/100= 7800/100= 78

Hey sansan look:
How could you calculate 23 x 4 on your calculator if the 4 button is broken?

Answers

Answer:

23*2*2

Step-by-step explanation:

4=2*2

Therefore 23*4 is equal to 24*2*2

Hope this helps!

Answer:

my apologies for the very late reply but i dunno.. thats actually making me think just do 2 x 2 ig

Step-by-step explanation:

happy belated birthday<3

On a number line, what other number is the same distance from −2.8 as −7.2 is?

Answers

Answer:   1.6

==================================================

Explanation:

Let's find the distance between the two given values

Let a = -2.8 and b = -7.2

Subtract a and b, then apply absolute value to ensure the result isn't negative.

|a-b| = |-2.8-(-7.2)|

|a-b| = |-2.8+7.2|

|a-b| = |4.4|

|a-b| = 4.4

The distance from -2.8 to -7.2 is 4.4 units.

To go from -2.8 to -7.2, we moved 4.4 units to the left.

Let's go back to -2.8 and now move 4.4 units to the right.

So we add 4.4 onto -2.8 getting

-2.8+4.4 = 1.6

The diagram is shown below.

On a number line, the number 1.6 is the same distance from −2.8 as −7.2 the answer is 1.6.

What is a number line?

It is defined as the representation of the numbers on a straight line that goes infinitely on both sides.

It is given that two numbers on a number line that is:

-2.8 and -7.2

To find the other number that is the same distance from −2.8 as −7.2:

Mathematically, we can write a number expression:

= -2.8 -(-7.2)

= -2.8 + 7.2

= 4.4

The arithmetic operation can be defined as the operation in which we do the addition of numbers, subtraction, multiplication, and division.

Accordingly, -7.2 is 4.4 units distant from -2.8.

= -2.8 +4.4

= 1.6

Thus, on a number line, the number 1.6 is the same distance from −2.8 as −7.2 the answer is 1.6.

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Find the missing number so that the equation has infinitely many solutions.

2(2x–4)=?x+8

Answers

Answer:

–4

Step-by-step explanation:

–2(2x – 4) = ?x + 8

–4x + 8 = ?x + 8

–4x + 8 = –4x + 8

*View attached graph*

Although it looks like there is one line, there are actually two lines, but they are overlapping each other.

Hope this helps!

what is the total area if each garden bed has a length of 4 feet?

Answers

Answer: how many garden beds and how deep if u want the most accurate answe but with what we have I whould say square 16ft maybe

Step-by-step explanation:

Please help me Math! Will give Brainliest! Asap!

Answers

for mia and ethan they actually have the same ratio if you do 21/3 and then 28/4 they both have the same ratio: 7
For Olivia and Jacob, if we make it so each ratio has 15 girls, we can see that Jacobs class has a 12:15 boy-girl ratio while Olivia only has a 9:15 boy-girl ratio. This means that Jacob has a higher boy to girl ratio.

PLEASE HELP REAL QUICK

Answers

Answer:

A, C, and D are all correct.

Step-by-step explanation:

With the given base they all have the correct height, for some you need to rotate the shape to see it.

C is the correct answer ♡︎シ

Consider the pairs of ratios given in the first column and determine whether or not the ratios form a proportion.

Answers

Answer:

Options 1 and 2 are proportional, the last one isn't.

Step-by-step explanation:

I found option 1 by dividing 8 / 1, then multiplying it by 2 to see if I get 16. I got 16 so it's proportional.

I found the 2nd option by dividing 9 / 4, and then multiplying it by 8 to see if I get 18. I got 18 so it's proportional.

I found option 3 by dividing 16 / 6, and then multiplying it by 4 to see if I get 10. I didn't 10, so it isn't proportional.

Pls help pls and thank you

Answers

Answer:

a^2 + b^2= c^2

8^2 + 7^2= c^2

64 + 49 = c^2

113 = c^2

square root of 113 = square root of c

10.63 = c

C = 10.6

Answer:

Picture I blurry for me

Step-by-step explanation:

The area of the polygon is 85.5 square feet. To find the length of the left side, separate the polygon into two rectangles as shown. Polygon in the shape of a rotated letter L, which could be formed by a horizontal rectangle attached along the top part of a vertical rectangle. The top side of the figure is 12 ft, the right side is labeled 6 ft, the bottom side of the upper part is 9 ft. The left side of the entire figure is labeled with a question mark. A vertical dashed segment separates the figure into the left vertical rectangle labeled A and the right horizontal rectangle labeled B You can determine the dimensions of rectangle A once you know the area of rectangle A. Determine the area of rectangle A by subtracting the area of rectangle B from the area of the entire polygon. What is the area of rectangle A? Enter your answer as a decimal in the box.

Answers

Answer:

384.75

Step-by-step explanation:

just do 85.5 divided by 12, which equals 7.125

then do 7.125 multiplied by 6 and 9.

(mark brainliest)

A 45 foot ladder is set against the side of a house so that it reaches up 27 feet. If Cooper grabs the ladder at its base and pulls it 4 feet farther from the house, how far up the side of the house will the ladder reach now? (The answer is not 23 ft.) Round to the nearest tenth of a foot.

Answers

Answer:

42 feets

Step-by-step explanation:

We consider the right-angle triangle with B being the right-angle:

AB = 24 ft ; AC = 45 ft

We can use the Pythagorean theorem:

[tex]AB^{2} = AB^{2} + BC^{2} \\45^{2} = 24^{2} + BC^{2} \\BC^{2} = 2025 - 576\\BC = \sqrt{1449} = 38[/tex]

The distance between the wall and the ladder is 38 feet.

Pulling the ladder away from the wall is adding 4 feet to the distance between the wall and the ladder.

38 + 4 = 42

The ladder is now 48 feet away from the wall at its bottom.

The square root of 72?

Answers

Answer:

6√2

Step-by-step explanation:

The square root of 72 is an irrational number, so we can't make the square root of 72 into an accurate decimal form. However, we can simplify it!

The factors that have the greatest square are 2 and 36.[tex]\sqrt{72} = \sqrt{36} * \sqrt{2}[/tex] [tex]\sqrt{36} *\sqrt{2} = 6\sqrt{2}[/tex]

Therefore, the answer is 6√2.

Answer:

8.48 or [tex]\sqrt[6]{2}[/tex] (simplified)

Step-by-step explanation:

When we first try solving the square root of 72, we get [tex]\sqrt[6]{2}[/tex].

Next we simplify that square root, and get 8.48528 or just 8.48.

Separate your square root base into pairs.

Find the largest square that divides into the first number or pair.

Subtract the square from the first number or pair.

Drop down the next pair

Multiply the first digit of the square by two.

Set up the next factor equation.

2.4.4 Journal: measurement and units answers because it’s a waist of time part 2

Answers

could you repost the questions? the pics of very blurry

Answer:

Step-by-step explanation:

Please Post the answers in a clear picture so we can read them.

Thank you very much

Which scatterplot shows the strongest relationship between the variable x and the variable y?
On a graph, points are grouped close together and decrease.
On a graph, points are scattered all over the graph.
On a graph, points are scattered all over the graph.
On a graph, points are scattered all over the graph.

Answers

The first one is the answer

The scatterplot that shows the strongest relationship between the variable x and the variable y is: “On a graph, points are grouped close together and decrease.” Hence, Option A is correct.

What is a scatter plot?

In a scatterplot, dots are used to show the values of two different numerical variables. An individual data point's values are indicated by the placement of each dot on the horizontal and vertical axes.

An example of a plot or mathematical diagram is a scatterplot, which uses Cartesian coordinates to show the values of typically two variables given a collection of data.

Two quantitative variables assessed for the same individuals are shown in a scatterplot along with their relationship. The horizontal axis displays the values of one variable, and the vertical axis displays the values of the other variable.

Therefore, Option A is correct.

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This data set represents the number of cups of flour used in different recipes.

What is the mean of this data set?

{12, 13, 23, 112}

Enter your answer as a fraction in simplest form in the box.

___ cups

Answers

The mean of this problem would be 40 cups

The arithmetic mean of the given data set ( 12, 13, 23, 112 ) as a fraction in simplest form is 80/2.

What is Arithmetic mean?

Arithmetic mean is simply the average of a given set numbers. It is determined by dividing the sum of a given set number by their number of appearance.

Mean = Sum total of the number ÷ n

Where n is number of numbers

Given the sets;

12, 13, 23, 112

n = 4

First we add the numbers

12 + 13 + 23 + 112 = 160

Mean = Sum total of the number ÷ n

Mean = 160 ÷ 4

Mean = 80/2

Therefore the arithmetic mean of the given data set ( 12, 13, 23, 112 ) as a fraction in simplest form is 80/2.

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4 1/15 round to the nearest 1000th

Answers

Answer:

0.067

Step-by-step explanation:

0.067 u need to round it lol

please answer this and give why

Answers

Answer:

Option B

Step-by-step explanation:

→ The option must have 2 negatives at the beginning which means it could be option B, convert all to decimals to confirm

-0.5, -0.11111, 0.125 and 0.2

Answer is option B!

Yo can someone help me out

Answers

Answer:

c

Step-by-step explanation:

ÇCCCCCCCCCCCCCCCCCCCC

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