Please help!! This is 30 points, I will mark brainiest if to the first person if two people answer.

Please Help!! This Is 30 Points, I Will Mark Brainiest If To The First Person If Two People Answer.

Answers

Answer 1

The experimental (aka empirical) probability for your friend is 1/500 = 0.002 since she hit the bulls eye once out of 500 tries. This is a 0.2% chance.

To calculate the theoretical probability, we have to determine the area of each circle:

A = smaller circle area = pi*r^2 = pi*(0.25)^2 = 0.0625pi

B = larger circle area = pi*r^2 = pi*6^2 = 36pi

Divide A and B to get the theoretical probability

A/B = (0.0625pi)/(36pi) = 1/576 = 0.0017 approximately

This is fairly close to the 1/500 = 0.002 your friend got, which in my opinion means that her result is expected. She does seem a bit more skilled than expected since she managed to hit the bulls eye in 76 fewer tries (576-500 = 76). However, I would stick to the "result is expected" answer, since problems like this tend to have variability.


Related Questions

What is the volume of this figure?

Enter your answer in the box.

Answers

The volume of the figure shown in the image which consist of two rectangular prisms is equal to 3300 cubed feet.

How to find the volume of the composite figures?

To find the volume of the composite figures,

Separate the figure.Calculate the volume of the figure by which the composite figure is made of.Add the volume of all the individual figures to get the total volume of composite figures

The given figure consist of two figures. Both are rectangular prism in which one has 24 ft length (20+4), width of 5 ft and height of 25 ft.

The area of a rectangular prism is the product of length, width and height of it. Thus, the volume of the upper prism is,

V₁=24×5×25

V₁=3000 ft³

Lower prism has 4 ft length, width of 3 ft (8-5) and height of 25 ft. Thus, the volume of this prism is,

V₂=4×3×25

V₂=300 ft³

Thus, the volume of the figure shown in image is,

V=3000+300

V=3300 ft³

Hence, the volume of the figure shown in the image which consist of two rectangular prisms is equal to the 3300 cubed feet.

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URGANT!! Please help
A certain forest covers an area of 1900 km2. Suppose that each year this area decreases by 4.25%. What will the area be after 6 years?
Use the calculator provided and round your answer to the nearest square kilometer.

Answers

Answer:

1464 square kilometers

Step-by-step explanation:

Understanding :

Since it decreases by 4.25%, we can say that each year, the area is 95.75% of the previous yearThe function can be written as 1900(0.9575)ⁿ, where n is the number of years

Year 6 :

1900(0.9575)⁶1900(0.77060655)1464 square kilometers (nearest square kilometer)

please help this is my last question

Answers

Answer:

Step-by-step explanation:

The area must be 232 in^2

Write the equation for the line in slope-intercept form.

Answers

Answer:

y = 4x + 3

Step-by-step explanation:

We are given the line shown in your question.

We want to write the equation of this line in slope-intercept form

Slope-intercept form is given as y=mx+b, where m is the slope and b is the value of y at the y intercept

As we are given the graph of the line, we can pick any 2 points to help us find the equation; in this case, let's take (0,3) and (-1, -1).

First, we need to find the slope of the line

The slope (m) can be found using the equation [tex]\frac{y_2-y_1}{x_2-x_1}[/tex], where [tex](x_1, y_1)[/tex] and [tex](x_2, y_2)[/tex] are points

Let's label the values of the points to avoid confusion and mistakes before calculating.

[tex]x_1= 0\\y_1=3\\x_2=-1\\y_2=-1[/tex]

Now substitute these values into the equation for the slope

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

m=[tex]\frac{-1-3}{-1-0}[/tex]

Subtract

m=[tex]\frac{-4}{-1}[/tex]

Divide

m = 4

The slope of the line is 4

Here is the equation of the line so far:

y = 4x + b

Now we need to find b

As stated above, b is the value of y at the y intercept; the y intercept is the point where the line intersects with the y axis. The value of x at this point is 0

One of the points we used to calculate the slope was actually the y intercept point; this point is (0, 3). The value of y at this point is 3, so the value of b is 3

Substitute 3 as b in our equation

y = 4x + 3

Topic: finding the equation of the line

Janet gets paid $24 per hour. She heard that this is 34 of what Adam is paid. How much is Adam paid per hour?

Answers


Adam is paid $32.16 an hour.

you roll a fair number cube find probability of p(2, then2

Answers

You roll a fair number of cube. The Probability of P(2 then 2) would be 1/36.

What is the probability?

Probability refers to a possibility that deals with the occurrence of random events.

The probability of all the events occurring need to be 1.

The formula of probability is defined as the ratio of a number of favorable outcomes to the total number of outcomes.

P(E) = Number of favorable outcomes / total number of outcomes

Here is a complete description You roll a fair number cube to find probability of p(2, then2)

Given the sample space for a die

S = (1, 2,3,4,5,6) = 6

The Probability of 2 then 2 = (1/6) x (1/6)

= 1/36

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What are the dimensions of a rectangle with an area of 72 square centimeters and a perimeter of 36 cenmeter

Answers

Answer:

6cm by 12cm

Step-by-step explanation:

To find a list of the possible dimensions we can factor 72, as the dimensions of the rectangle must multiply to the area of 72

1 * 72

2 * 36

3 * 24

4 * 18

6 * 12

8 * 9

Now we can use the perimeter to find which pair is the correct answer, as the dimensions must satisfy the formula 2(Length + Width) = 36 (our perimeter)

We can see that the dimensions 6 and 12 give us our area of 72, and they do make a rectangle with the perimeter 36. This means that the dimensions of the rectangle are 6cm and 12cm.

which expresion is equivilenet to 3/24

Answers

Answer:

1/8

Step-by-step explanation:

divide both sides by 3

mean, mode, median, and range for numbers 4, 5, 6, 9, 13, 14, 14, 14, 15

Answers

Mean(13).Mod(14).medi(13).Ran(4).


Did it small just in case people only can see a little bit of the answer

Answer:

mean: 10.4

mode: 14

median: 13

range: 11

Step-by-step explanation:

To find a mean, add up all the numbers of the data set and divide them by the number of numbers.

To find a mode, just search for the number used the most in the data set.

To find a median, search for the number right in the middle of the data set (if there are 2 numbers in the middle, the median is the average of those 2 numbers.)

To find a range, order all the numbers of the data set from lowest to highest. Then subtract the lowest number from the highest number. :)

9!/6!
Evaluate each factorial expression

Answers

The value of the given expression will be equal to 441.

What is an expression?

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication and division.

The solution will be given as:-

[tex]\dfrac{9!}{6!}=\dfrac{9\times 8\times 7\times 6!}{6!}[/tex]

[tex]\dfrac{9!}{6!}=9\times 8\timex\times 7=441[/tex]

Therefore the value of the given expression will be equal to 441.

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Im bad at word problems, so I need help please

Answers

Linear, because it would be a function something like y = .46 + .2x. Which is linear.


Which statements can be used to compare the
characteristics of the functions? Select three options.
f(x) has the greatest maximum.
h(x) has the greatest x-intercept.
g(x) has the smallest minimum value.
All three functions share the same domain..
All three functions share the same y-intercept.

Answers

The true statements that can be used to compare the characteristics of the functions are: option B, C, and D.

What is a function?

A function can be defined as a mathematical expression that defines and represents the relationship that exists between two or more variable of a data set.

How to interpret the functions?

From the table of values for this discrete function (see attachment), we can deduce the following characteristics and points:

g(x) has the smallest minimum value of -204.All three functions share the same domain (-1, 0, 3, 8, 15).All three functions share the same y-intercept (2, 3, 2, -3, -10).

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what is the meaning of a scale?​

Answers

Answer: A scale in charts can be characterized as the system of marks at settled intervals, which characterize the connection between the units being utilized and their representation on the graph.

Step-by-step explanation:

find the volume of a cone with a diameter of 18 meters and a height of 20 meters

Answers

[tex] \huge \sf \color{pink}{A} \color{green}{N} \color{red}{S} \color{blue}{W} \color{orange}{E} \color{grey}{R}[/tex]

[tex]\large \underline{ \boxed{ \sf{✰ \: Important \: points }}}[/tex]

[tex] \pink{➢}[/tex] Diameter of cone = 18m

[tex] \pink{➢}[/tex]Height of cone = 20m

[tex] \pink{➢}[/tex]A surface of revolution formed by rotating a segment of a line around another line that intersects the first line.

[tex] \pink{➢}[/tex]Cone is basically formed by circular base

[tex]\underline{ \boxed{ \sf{➫\: Volume\:of\:cone = \frac{1}{3} {r}^{2} \pi \: h}}}[/tex]

[tex]\underline{ \boxed{ \sf{ ➪ \: r = radius}}} \\\underline{ \boxed{ \sf{ ➪ \: h = height}}}[/tex]

[tex] \pink{➢}[/tex] We know that radius is half of diameter

[tex] \sf \:➩ r = \frac{18}{2} \\ \sf \: ➩r = \cancel \frac{18}{2} \\ \sf \: ➩r = 9 \: \: \: [/tex]

[tex] \pink{➢}[/tex]Hence radius of cone in data given is 9m

➢ Let's substitute values according to formula

[tex]\sf \: → \frac{1}{3} \times {(9)}^{2}\times 3.14 \times20 \\ \sf→ \frac{1}{3} \times 81 \times 3.14 \times 20 \\ \sf \: → \frac{1}{ \cancel3} \times \cancel{81} \times 3.14 \times 20 \\ \sf→27 \times 3.14 \times 20 \\ \sf \: →1695.6m[/tex]

[tex] \pink{➢}[/tex] Hence volume of cone =1695.6m

Hope it helps !

Identify the vertex, equation of the axis of symmetry, y-intercept, and zeros of the graph of a quadratic function.

Answers

Answer:

See below ~

Step-by-step explanation:

Details of Graph

Vertex = (2, 1)Axis of symmetry : x = 2Y-intercept : -3Zeros : (1, 0) and (3, 0)

Luna rolls two number cubes labeled 1-6. What is the probability of rolling a sum of 5?

Answers

The probability of rolling a sum of 5 is 1/9 or 11.12% if the Luna rolls two number cubes labeled 1-6.

What is probability?

It is defined as the ratio of the number of favorable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.

We have:

Luna rolls two number cubes labeled 1-6.

Total number of outcomes = 6×6 = 36

Total number of favorable outcomes = 4

Which is (1, 4), (2,3) (3,2), (4,1)

The probability will be:

= 4/36

= 1/9  or in percentage:

= 11.12%

Thus, the probability of rolling a sum of 5 is 1/9 or 11.12% if the Luna rolls two number cubes labeled 1-6.

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WHAT IS 4=34
WHAT IS 4=76

Answers

Answer: Both are algebra expressions

Step-by-step explanation:

A 12-pack of soda costs $6.30 what is the cost per can

Answers

6.30 dollars / 12 sodas = $0.525 cents each soda

Answer:

So our goal is to determine the cost per can which we can find by dividing the amount of cans from the cost of the cans.  That would give us the price per can.

[tex]\frac{price}{cans}[/tex]

[tex]\frac{\$6.30}{12\ cans}[/tex]

[tex]\$0.525\ per\ can[/tex]

Hope this helps!  Please let me know if you have any questions

When 3 is added to a certain number the result is multiplied by obtain one less than the number you started with. what is that number​

Answers

Step-by-step explanation:

coco with a smooth kind of drank that's definitely defeats the purse with a polish sausage you get from home depot

find the slope intercept form of the line whose slope is 2 and passes through the point (-7,10)

Answers

Answer:

y=2x+24

Step-by-step explanation:

Hi there!

We are given that a line has a slope of 2 and passes through (-7, 10)

We want to write the equation of this line in slope-intercept form

Slope-intercept form is written as y=mx+b, where m is the slope and b is the y-intercept

As we are already given the slope, we can immediately substitute it in for m

So replace m with 2 in y=mx+b

y=2x + b

Now we need to find b

As the equation passes through the point (-7, 10), we can use its values to help us find the value of b

Substitute -7 as x and 10 as y

10 = 2(-7) + b

Multiply

10 = -14 + b

Add 14 to both sides

24 = b

Substitute 24 as b into the equation

y = 2x + 24

Hope this helps!

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Help me answer this question :((((

Answers

Answer:

1

c

2

h

Step-by-step explanation:

1

For the first question, the mean is calculated by adding all the items together and dividing it by the amount of them.

In this case, we add 32000 to 4600 to create 36600, this is the cost for 6 cars. To find the mean, we divide by 6. 36600 divided by 6 is 6100

2

We are looking for the original fee of 50 on its own, alongside 10 lots of 25.

The only version that correctly represents this is 50 + 25(10)

PLEASEEEE HELPPPPP!!!

Answers

Answer:

You are right in that this function is not an odd function. For it to be odd it has to be symmetrical about the origin or equivalently -f(x) = f(-x) which is not the case here.

I can see an option button next to the graph so I assume that this is only one of the answer choices.

Can you provide the source of this question?

Step-by-step explanation:

Multiply by
3x10
Divide by
6
Add
2
Subtract
4

Answers

Answer:

1

Step-by-step explanation:

3x10=30

divided by 6

=3

+2=5

-4=1

Answer:

3

Step-by-step explanation:

3x10=30

30/6=5

5+2=7

7-4=3

The truck left for delivery at 7:15 a.m. and
traveled a total of 45 minutes. It also spent 1/3
hour to drop off the package. How many
minutes in all did the truck take to complete the
delivery?

Answers

Answer:

45+1/3 (all 1/3 is 1/3 of an hour, so do 60/3 to get 20) meaning that 45+20 is 65 minutes or an hour and 5 minutes

Step-by-step explanation:

In June, Sara sold 70% of her products in market fairs, and she sold the rest of her products via her website. She sold 120 products less on her website than in market fairs. What was the total number of products Sara sold?

Answers

Answer:

84 products

Step-by-step explanation:

Pls ingore all of the questions below, but help me with the attached image
What is the only number that has the same number of letters as it's meaning? ...
What number doesn't have its own Roman numeral? ...
What is the only even prime number? ...
What is the smallest perfect number? ...
What is our current numerical system based on? ...
Is Pi a rational or irrational number?

Answers

The triangle in the image seems to be an isosceles triangle which means that two of the angles would be the same.

x would be 54° as well

to find the third angle, subtract all the angles from 180

[tex]180-54-54=72[/tex]

y would be 72°

Dylan lives about 27 miles from the mall. If he can drive at an average rate of 36 miles per hour through town, about how long does it take for Dylan to drive to the mall?

Answers

Answer:

45 minutes

Step-by-step explanation:

distance / rate = time

27 miles / 36 miles/hr = .75  hr    ( 45 minutes )  

Consider a standard deck of 52 cards (13 cards each in 4 suits, clubs, spades, diamonds and hearts). What is the probability of picking out 5 cards in a row which are all diamonds, without replacing any card to the deck?

Answers

Answer: 5/52 or 10.4 I think

Step-by-step explanation: 5/52 = 10.4

what is the brobability of spinning a b unit 5 exam acellus

Answers

Supposing a spinner with 8 regions, 3 of which are B, there is a 0.375 = 37.5% probability of spinning a b.

What is a probability?

A probability is given by the number of desired outcomes divided by the number of total outcomes.

In this problem, we suppose a spinner with 8 outcomes, 3 of which are b, hence the probability is given by:

p = 3/8 = 0.375 = 37.5%.

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Two researchers conducted a study in which two groups of students were asked to answer 42 trivia questions from a board game. The 200 students in group 1 were asked to spend 5 minutes thinking about what it would mean to be a​ professor, while the students in group 2 were asked to think about soccer hooligans. These pretest thoughts are a form of priming. The students in group 1 had a mean score of with a standard deviation of ​, while the students in group 2 had a mean score of with a standard deviation of . Complete parts ​(a) and ​(b) below.

Answers

Lower bound is : 2.70 and upper bound is 3.30

a)There is a 90% probability that the difference of the means is in the interval

b) Since the 90% confidence interval does not contain zero, the results suggest that priming does have an effect on scores.

What is Critical Value?

Critical values are essentially cut-off values that define regions where the test statistic is unlikely to lie; for example, a region where the critical value is exceeded with probability if the null hypothesis is true.

Given that:

a) [tex]n_1[/tex]=200, [tex]x_1[/tex]=23.9, [tex]s_1[/tex]=4.7

   [tex]n_2[/tex]=200, [tex]x_2[/tex]=18.8, [tex]s_2[/tex]=4.5

 

The (1-α )% confidence interval for the difference between two mean is:

CI= [tex]x_1-x_2\pm\; t_\frac{\alpha }{2},(n_1+n_2-2\sqrt{\frac{s_1^{2}}{n_1}+\frac{s_2^{2}}{n_2} }[/tex]

the Critical value of 't' will be:

α/2=0.05/2=0.025

Degrees of freedom = [tex]n_1+n_2\\[/tex]-2= 200=200-2=398

[tex]t_{\alpha /2,_(n_1+n_2-2)}= t_{0.025,398}[/tex]=1.96

CI=23.9-18.8±1.96 [tex]\sqrt{\frac{4.7^{2}}{200}+\frac{4.5^{2}}{200} }[/tex]

   = 3±0.3089

   = (3.3089,2.6911)

   ≈(3.30, 2.70)

Thus, 90% confidence interval (3.30, 2.70) implies that the true mean difference value is contained in the interval with probability 0.90.

The Lower bound is : 2.70 and upper bound is 3.30

Thus, There is a 90% probability that the difference of the means is in the interval.

b)The difference between means, null value is 0.

As the null value is 0 and not in the interval, which shows that there is a difference between the two means, concluding that priming does have an effect on scores.

Hence,  Since the 90% confidence interval does not contain zero, the results suggest that priming does have an effect on scores.

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