I NEED HELP PLEASEEE!!!

I NEED HELP PLEASEEE!!!

Answers

Answer 1

If the radius is quadrupled, then the area of the new area to the old area will be 4:1

What is quadrupled?

You should be aware that the quadrupled of a circle is four times the area of the old one.

In this case the area of the circle is denoted by

Area = πr²

Where r= radius=6 cm

The area of the old circle is 22/7 * 6 * 6

Area of the circle is = 113.1cm²

To this effect, the area of the new circle is 4(area of the old one)

Area = 4*22/7 * 6 * 6

Area = 3167/7

Area is = 452.6

This implies that 4(113.2) =452.6

In conclusion, you will discover that four times the area of the new circle is the old circle

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Related Questions

25PTS 25PTS don’t have to explain

Answers

Answer: y=3x-2

Hope that helps!

Answer:

y = 3x - 2

Step-by-step explanation:

i’m literally incapable of math pls help

Answers

Answer:

5. It has no solution because this symbol > is greater than and it says that -1 > n>5.

-1 is not greater than 5.

Step-by-step explanation:

Have a nice day! :-)

Name 3 things that you need to know to know somethings volume. (teacher didn’t say what)

Answers

Answer:

The area of the base and the height of the object

Step-by-step explanation:

you need to know these so you can us the formula      B x H = V

B = base

H = height

V = volume

what is the volume of this triangular prism? the base is 12 ft the height is 6 ft and the bottom is 20 ft

Answers

Answer:

720 [tex]ft^3[/tex]

Step-by-step explanation:

Answer:

720 ft³

Step-by-step explanation:

Volume = Area Triangle times Length

Area triangle = 1/2(6x12) = 1/2(72) = 36 ft²

Volume = 36 ft² x 20 ft = 720 ft³

Volume = 720 ft³

If my answer is incorrect, pls correct me!

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-Chetan K

(a) Write down the value of xº
Given that 2-3 x 2⁹ = 2n
(b) find the value of n

Answers

From the equation (2-3 x 2⁹ = 2n), the value of n is -767.

What is the equation?

A mathematical expression with an equals sign is referred to as an equation. Algebra is widely used in equations. When performing calculations but unsure of the precise amount, algebra is utilized.

The word equation and its cognates in various languages may have slightly different meanings. In mathematics, an equation is a formula that uses the equals sign to denote the equality of two expressions.

The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign.

Given data :

2-3 x 2⁹ = 2n

= 2n = 2 - 3 .

= 3 .   = 1536

= 2n = 2 - 1536

= 2n = -1534

Divide both sides by 2

= 2n/2

= -1534/2

n = -767

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A new disease has been observed, and experts believe that 1% of the population have it. A test is developed that has 95% true positive rate (it identifies 95% of people with the disease as "positive") and 1% false positive rate (it misidenfies 1% of people without the disease as "positive"). If Alice tests positive and the experts are right on the population prevalence, what is the probability that Alice has the disease (up to 2 decimal places)?

Answers

If Alice tests positive and the experts are right on the population prevalence, the probability that Alice has the disease is 0.489.

In the given question, a new disease has been observed, and experts believe that 1% of the population have it.

A test is developed that has 95% true positive rate and 1% false positive rate.

From the given data,

Let E be the event that a patient has a disease and F be the event that a patient has tested positive.

Then according to Bayes' theorem we have,

P(E/F) = P(E)P(E/F)}/(P(E)P(E/F)+P(E')P(F/E')

P(E/F) = (1*95)/(1*95)*(99*1)

P(E/F) = 95/194

P(E/F) = 0.489 (approx.)

Hence, the probability that Alice has the disease 0.489.

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•35 POINTS• (it’s not SAS)

1.SSS
2.ASA
3.SAA

Answers

Answer:

SAA

Step-by-step explanation:

SAA because the three triangles make an angle in the middle and have two sharing sides that are congruent.

Check image explanation below

help please this is hard for me-

Answers

Answer:

Um u have to move the protractor to get ur answer i cant look at it and see the answer i think thts why they gave the protractor

Step-by-step explanation:

What is the inverse of the inverse of P → Q?

Answers

The inverse of ∼P→∼Q is P->Q.

Given ∼P→∼Q

Its inverse, ∼(∼P)→∼(∼Q), means that P→Q.

If the hypothesis is correct but the conclusion is untrue, a conditional statement is false. If the statement in the example above read, "If you achieve good marks then you will not get into a good college," it would be untrue. A conditional statement that has been modified or rearranged is referred to as a related conditional. An if-then statement, also known as a conditional statement, is a set of hypotheses followed by a conclusion. It is noted that p→q. Read this: if p, then q.

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The Lorenz curve is used to show which of the following?

A The total income generated from all activities

B The degree of inequality in the distribution of income within a country

C The progressivity of the income tax structure within a country

D The extent of wage differences among workers in similar occupations

E The change in the poverty rate within a country over time​

Answers

Lorenz curve is a graphical representation of the distribution of income or wealth within a population. Lorenz curves, along with their derivative statistics, are widely used to measure inequality across a population.

The Lorenz curve is used to show: B The degree of inequality in the distribution of income within a country.

What is Lorenz curve?

Lorenze curve can be defined as the curve that help to show how income is share or distributed within a country.

Lorenz curve is important as it play a major role when it comes to how wealth or income should be share in a country by using a pictorial representation to show inequality in income.

Inconclusion the Lorenz curve is used to show: B The degree of inequality in the distribution of income within a country.

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Identify one exterior angle.
Help please

Answers

Angle 1, 3, and 5 are exterior angles.

Find the exact value of tan A in simplest radical form.

Answers

Answer:   sqrt(3)

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

Work Shown:

The tangent ratio involves the opposite over adjacent.

tan(angle) = opposite/adjacent

tan(A) = BC/AC

tan(A) = sqrt(75)/5

tan(A) = ( 5*sqrt(3) )/5 .... see the section below

tan(A) = sqrt(3)

---------------------------

sqrt(75) = sqrt(25*3)

sqrt(75) = sqrt(25)*sqrt(3)

sqrt(75) = 5*sqrt(3)

Type the correct answer in each box. Use numerals instead of words.
For linear functions v and w, v(10) = 12, and w(10) = 9.
(V+ W/(10) =
(V-W(10) =
(VW(10) =

Answers

V+W=12+9=21
V-W=12-9=3
VW=12*9=108

Jonnie marker has a coupon for $1.00 off a jar of Bean dip if you buy two bags of corn chips you purchase two bags of chips for $3.99 per bag and a jar of bean dip for $2.79


Help !!

Answers

Answer:

if the question is how much did you spend in total then your answer would be $9.77, let me know if this is not the question

Step-by-step explanation:

3.99 + 3.99 + 1.79

Answer:

$9.77

Step-by-step explanation:

hope the picture explains it :)

iready which expression is equivalent to the expression shown​

Answers

Answer:

7^12

Step-by-step explanation:

When dividing two exponents by the same base, it is the same as subtracting the power (14-2).

PLEASE HELP ASAP
Chris stopped for gas twice on a long car trip The price of gas at the first station was $1.45 per gallon, and the price of gas at the second station was $1.55 per gallon. On the trip, Chris bought a total of 20 gallons of gas and spent $29.80. If x = the number of gallons that Chris bought at the first station, and y = the number of gallons Chris bought at the second station, which system of equations could be used to find the number of gallons of gas Chris bought at each station.

A.1.45x + 1.55y = 20 and x + y = 29.80

B. x + y = 20 and 1.45x + 1.55y = 29.80

C. x + y = 20 and 1.45x - 1.55y = 29.80

D. xy = 20 and 1.45x + 1.55y = 29.80

Answers

The system of equations could be used to find the number of gallons of gas Chris bought at each station is,

B. x + y = 20 and 1.45x + 1.55y = 29.80.

What are linear and non-linear functions?

A straight line on the coordinate plane is represented by a linear function. As an illustration, the equation y = 3x – 2 depicts a linear function because it is a straight line in the coordinate plane.

Any function whose graph is not a straight line is said to be nonlinear. Any curve other than a straight line can be a graph of it.

An example of a non-linear function is a quadratic function.

Given, Chris stopped for gas twice on a long car trip.

The price of gas at the first station was $1.45 per gallon, and the price of gas at the second station was $1.55 per gallon and filled a total of 20 gallons of gas and cost him a total of $29.80.

Therefore the system of linear equations that represents the context is,

x + y = 20 and 1.45x + 1.55y = 29.80.

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help me please!

- no fake answers/links please.​

Answers

Answer: C

Step-by-step explanation:

Just go 2 units up on the grid and one to the left

Answer:

(3,6)

Step-by-step explanation:

First, find the coordinate of the school. The school is at (4,4).

Coordinates are written as (x,y). x represents the side to side coordinate, and y represents the up down coordinate. so if the house is one unit left of the school, subtract one from the x coordinate to get 3. if the house is two units up from the school, add 2 to the y coordinate to get 6. and there you go!

A new music festival was launched in Nashville. The first year, 150,000 people attended. They project the attendance to rise by 8% each year. How many people will attend the festival in 3 years?

Answers

Exponential increase
150,000x(1.08)^x where x is years
150,000x(1.08)^3 = 188957

ALGEBRA 2 - Exponential and Logarithmic Functions
April invests $500 in an account that is compounded continuously at an annual interest rate of 5%. Approximately how many years will it take for April’s money to double?

Answers

Answer:

It will take approximately 14.2 years for April’s money to double.

Step-by-step explanation:

A dog park is being built and needs to be fenced. The dimensions of the park will be 18.5 feet by 30.25 feet. How much fencing material will be needed to fence the entire park? Disregard gates or any other complication.​

Answers

Answer:

97.5

Step-by-step explanation:

In my eyes I think we are talking about perimeter...

So then we would have to add up all the sides giving us the result.

30.25+30.25+18.5+18.5 = 97.5

And I am terribly sorry if it was incorrect I feel like i messed up on the "Disregard" part.. Anyways

Hope this helps! :)

What are the Miller indices for the plane shown in the following cubic unit cell and Explain why? O (201) O (10 1/2) O (1 infinity 1/2) O (102)

Answers

The plane intercepts on the x,y, z axes are 1, ∞, and 1/2. Hence, the Miller indices for the plane inside the cubic unit cell is (102).

Miller indices are used to specify planes and directions. These planes and directions could be in lattices or crystals. The number of indices will correspond to the size of the lattice or crystal.

Steps to find the Miller indices:Determine intercepts of the planes with the x, y, and z axes.Use fractional coordinates to specify intercepts.Take the reciprocals of the fractional intercepts

In the given graph, the plane intercepts are:

x-intercept : 1

y-intercept : ∞  (since the planes does not intercept y-axes)

z-intercept = 1/2

Take the reciprocal:

1/1 = 1

1/∞ = 0

1/(1/2) = 2

Hence, the miller indices are (102)

The graph in your question is missing. Most likely it was like on the attached picture.

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a line is parallel to the y=x-8 and intersects the point (4,-9). What is the equation of this parallel line? Start by entering this into point-slope form

Answers

Answer:

sry i dont no

When studying for his test, Joe found a z-score for the weight of a particular rock to be 1.48

What does this z-score mean in the context the distribution of data collected from the weights of all rocks studied.

Answers

Answer:

it is about 99% on a graph

Step-by-step explanation:

Which of the following sets of ordered pairs represents a function? {(-8,-14), (-7,-12), (-6,-10), (-5,-8)} {(-4,-14), (-9,-12), (-6,-10), (-9,-8)} {(8,-2), (9,-1), (10,2), (8,-10)} {(-8,-6), (-5,-3), (-2,0), (-2,3)}

Answers

The correct answer is   A.  {(-8,-14), (-7,-12), (-6,-10), (-5,-8)} which  sets of ordered pairs represents a function.

What is function?

Function, in mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable.

Here, we have,

sets of ordered pairs represents a function are,

{(-8,-14), (-7,-12), (-6,-10), (-5,-8)}

{(-4,-14), (-9,-12), (-6,-10), (-9,-8)}

{(8,-2), (9,-1), (10,2), (8,-10)}

{(-8,-6), (-5,-3), (-2,0), (-2,3)}

Now, we know that,

A function has no repeated values of the independent variable.

So, we have now,

Only choice A meets that requirement.

And,

B: (-9, 12) and (-9, 8) both have -9 as a first value; not a function.

C: (8, -2) and (8, -10) both have 8 as a first value; not a function.

D: (-2, 0) and (-2, 3) both have -2 as a first value; not a function.

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how to solve this? which i have to find the height.

Answers

Answer:

h = 3

Step-by-step explanation:

We can see a triangle with a base equal to (1/2)×6 or 3 with a hypotenuse of 3×sqrt(2). So we can use the Pythagorean theorem to solve for height h:

hyp^2 = b^2 + h^2

h^2 = hyp^2 - b^2

[tex] {h}^{2} = {(3 \sqrt{2}) }^{2} - { 3}^{2} = 9[/tex]

or h = 3

134 minutes = __________ hours + __________ minutes

Answers

Answer:

2 hours + 14

Step-by-step explanation:

Since 1 hour = 60 min

Divide by 60 maximum it goes in 134, 2 times the excess is your minutes.

A sample of 12th grade students who took the National Assessment of Education Progress year 2000 mathematics test had a mean score of 250. What is the population

Answers

On solving the provided question, we can say that by mean score the population will be 20192

What is mean?

A dataset's mean is the sum of all values divided by the total number of values, often known as the arithmetic mean (as opposed to the geometric mean). Often referred to as the "mean," this is the most often used measure of central tendency. Simply dividing the dataset's total number of values by the sum of all of those values yields this result. Both raw data and data that have been combined into frequency tables can be used for calculations. Average refers to a number's average. It is straightforward to calculate:Divide by how many digits there are after adding up all the digits. the total divided by the count.

A sample of 12th grade students who took the National Assessment of Education Progress year 2000 mathematics test had a mean score of 250

200/4

= 50

50*e^{-2}

the population will be 20192

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Morgan collects toy horses. she has 34 in her collection. she got 23 horses for her birthday. she dropped a box and broke 5 of them. how many toy horses does she has now

Answers

Answer:

34 + 23 = 57

57 - 5 = 52

Therefore, she has 52 toy horses.

27. Francis bought two dresses and one pair of shoes for $70.50, before tax. The shoes cost $15.00 more than one dress. How much did the pair of shoes cost?

Answers

Answer:

The pair of shoes cost $33.50

Step-by-step explanation:

let the cost of dresses be d and the cost of shoes be s

2 dresses and 1 shoe pair cost $70.5

2d + s = 70.5 •••••(i)

Shows cost $15 more than one dress

s = d + 15

d = s-15 ••••(ii)

Substitute ii into i

2(s-15) + s = 70.5

2s -30 + s = 70.5

3s = 70.5 + 30

3s = 100.5

s = 100.5/3

s = $33.50

please help me !!

literally struggling right now !!

Answers

The solution to the inequality, 2/3z > 4/5, is calculated as z > 1.2.

Multiply both sides by 3/2:
2/3z × 3/2 > 4/5 × 3/2
z > (4 × 3) / (5 × 2)
z > 12 / 10

z > 6/5
z > 1.2

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