This graph shows the relationship between numbers of cookies (c) sold and profit earned (p).
Enter an equation to represent the number of cookies sold and profit earned.

Therefore, the probability of both cubes showing a 4 is 1/36 or approximately 0.028 or 2.8%.

what is probability?

Probability is a measure of the likelihood of an event occurring. It is a number between 0 and 1, with 0 indicating that the event is impossible and 1 indicating that the event is certain to occur. Probability can also be expressed as a percentage between 0% and 100%, with 0% indicating impossibility and 100% indicating certainty.

In probability theory, the probability of an event is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. For example, if you flip a fair coin, there are two possible outcomes: heads or tails. Since each outcome is equally likely, the probability of getting heads is 1/2 or 0.5 or 50%.

Assuming that the number cubes are fair and each face has an equal chance of landing face up, the probability of getting a 4 on any one of the cubes is 1/6, since there are six equally likely outcomes (numbers 1 to 6) and only one of them is a 4.

To find the probability of getting a 4 on both cubes, we need to multiply the probability of getting a 4 on the first cube by the probability of getting a 4 on the second cube, since the outcomes of the two cubes are independent of each other.

So, the probability of getting a 4 on both cubes is:

1/6 x 1/6 = 1/36

Therefore, the probability of both cubes showing a 4 is 1/36 or approximately 0.028 or 2.8%.

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The question you posted is incomplete and does not have a table to complete. Can you please provide the table or the missing information so that I can answer your question properly?

Answer:

Either plane XYS or plane Q

Step-by-step explanation:

They are the only points lying on the plane in general.

The child should be given 8.75 mL of the medicine. option B

To determine the correct dosage, we first need to find out how much paracetamol the child needs based on their weight and then convert that amount to the appropriate volume of the medicine.

Calculate the required amount of paracetamol based on the child's weight:

Child's weight: 14 kg

Dosage: 15 mg per 2 kg of body weight

Required_paracetamol = (Child's weight / Dosage per kg) * Dosage

Required_paracetamol = (14 kg / 2 kg) * 15 mg

Required_paracetamol = 7 * 15 mg

Required_paracetamol = 105 mg

The child needs 105 mg of paracetamol.

Convert the required paracetamol amount to the appropriate volume of the medicine:

Medicine concentration: 120 mg of paracetamol per 10 mL

Required_volume = (Required_paracetamol / Medicine concentration) * 10 mL

Required_volume = (105 mg / 120 mg) * 10 mL

Required_volume = 0.875 * 10 mL

Required_volume = 8.75 mL

The child should be given 8.75 mL of the medicine.

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Answer: 7

Step-by-step explanation:

If you draw it out, you can visually tell it's 5 units, but you can also tell by looking at the two distinct y values, -2 and 5. The distance between them is 7 units, as you take the absolute value of both of them, then add to get 7.

The mean, median, and standard deviation of the given data set are approximately 114.4, 110, and 10.12, respectively.

In statistics, the mean is a measure οf central tendency οf a data set, alsο referred tο as the average. It is calculated by summing up all the values in the data set and then dividing by the tοtal number οf values. The mean represents the typical οr cοmmοn value in the data set.

The mean of the given data set is:

(135 + 115 + 120 + 110 + 110 + 100 + 105 + 110 + 125) / 9 = 114.44 (rounded to the nearest tenth)

To find the median, we first need to arrange the data set in ascending order:

100, 105, 110, 110, 110, 115, 120, 125, 135

Since the data set has an odd number of values, the median is the middle value, which is 110.

To find the standard deviation, we first need to calculate the variance. The variance is the average of the squared differences between each value and the mean. We can use the following formula to calculate the variance:

variance = [(value1 - mean)² + (value2 - mean)² + ... + (value9 - mean)²] / 9

Plugging in the values from the data set and the mean we calculated earlier, we get:

variance = [(135 - 114.44)² + (115 - 114.44)² + ... + (125 - 114.44)²] / 9

Simplifying this expression, we get:

variance = 102.46

The standard deviation is the square root of the variance, which is:

[tex]\sqrt{(102.46)[/tex] = 10.12 (rounded to the nearest tenth)

Therefore, the mean, median, and standard deviation of the given data set are approximately 114.4, 110, and 10.12, respectively.

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Hence, the likelihood that the following customer will purchase multiple costumes is 0.096.

Probability is the measurement of an event's likelihood. Probability aids in determining the chance of an event occurring because many events can really be predicted with 100% accuracy. It is the proportion of positive events to all of the events in such an experiment.

Given data:

There are a total of people present, which would be

= 171 + 148 + 34

= 353

The likelihood that the person after you will buy more than one costume must be determined.

Probability = favourable outcomes / total outcomes

Probability(multiple costumes)  = 34 / 353

Probability(multiple costumes)  = 0.096

Hence, the likelihood that the following customer will purchase multiple costumes is 0.096.

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Answer:

The answer to your problem is, 11.25

Step-by-step explanation:

Formula used:

v = height x width x length

length = v / (width x height)

The volume equals 525, width 16 2/3 (16.67) and height 2 4/5 (2.8), replacing, length = 525 / (16.67 * 2.8)

Therefore the length being 11.25

Thus the answer to your problem is, 11.25

The probability that a person who purchased the game did not see the advertisement is:0.659.

what is  probability?

Probability is a measure of the likelihood of an event occurring. It is expressed as a number between 0 and 1, with 0 indicating that the event is impossible and 1 indicating that the event is certain. Probability is used in many areas, including statistics, mathematics, science, finance, and gambling.

In the given question,

To solve this problem, we will use Bayes' theorem, which allows us to update our beliefs about the probability of an event based on new information.

Let A be the event that a person has seen the advertisement, and B be the event that a person has purchased the game. We want to find the probability of A given B, i.e., the probability that a person who has purchased the game has also seen the advertisement.

We know that P(A) = 0.24 (24% of the market has seen the advertisement), P(B|A) = 0.42 (42% of those who see the ad have purchased the game), and P(~A|~B) = 0.93 (93% of those who have not seen the advertisement have not purchased the game).

We can use the complement rule to find P(B|~A), the probability of purchasing the game given that the person has not seen the advertisement:

P(B|~A) = 1 - P(~B|~A) = 1 - 0.93 = 0.07

Now we can use Bayes' theorem:

P(A|B) = P(B|A) * P(A) / P(B)

where P(B) = P(B|A) * P(A) + P(B|~A) * P(~A)

Plugging in the values, we get:

P(B) = 0.42 * 0.24 + 0.07 * (1 - 0.24) = 0.2956

P(A|B) = 0.42 * 0.24 / 0.2956 = 0.3408

Therefore, the probability that a person who purchased the game did not see the advertisement is:

1 - P(A|B) = 1 - 0.3408 = 0.659

Rounded to the nearest thousandth, the answer is 0.659.

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The tree's height changes 2.5ft bases per time.

The rate of change function is defined as the rate at which one volume changes relative to another volume. In simple terms, the rate of change is the quantum of change in one item divided by the corresponding quantum of change in another.

We can find the rate of change in the tree's height by calculating the slope of the line that represents the direct function relating the tree's height to the number of times since it was planted.

To do this, we can use the slope formula

Slope = ( change in height)/( change in time)

Let's choose the points

( 1,4.5) and( 4, 12)

Change in height = 12-4.5 = 7.5

Change of time = 4- 1 = 3

Slope = (7.5/ 3) = 2.5

So, the tree's height changes 2.5 bases per time.

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Answer:

The correct answer:

C. 7

3(2) + 1 = 6 + 1 = 7

Step-by-step explanation:

So the question is 3x+1. We are given the information that x=2. Therefor we would plug in 2 to where x is. 3(2)+1. Now we would multiply first for 6+1. Add to get 7. 7 would be our answer giving us C.

The option B is the correct answer for the above question. The line of symmetry should have been 4 instead -4 is correct.

Line of symmetry - A line of symmetry is a line in mathematics that splits a form or object into two congruent halves, such that if one portion is reflected over the line of symmetry, it will coincide with the other component. A line of symmetry is also known as an axis of symmetry.

Now, we will see to find the line of symmetry for the quadratic equation [tex]f(x) = x^2 - 8x + 15[/tex],

Line of symmetry: [tex]x = \frac{-b}{2a}[/tex]

Vertex: [tex](x,y) = (\frac{-b}{2a}, f(\frac{-b}{2a}))[/tex]

where a, b, and c are the coefficients of the quadratic equation [tex]ax^2 + bx + c.[/tex]

In this case, [tex]a = 1, b = -8, and\ c = 15[/tex], so we can substitute these values into the formulas:

Line of symmetry: [tex]x = \frac{-(-8)}{21} = 4[/tex]

And, From this value of x, we will get the correct value of y.

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ANSWERS:

A. 0.28 ( 28.41% )
B. 89.29%

EXPLANATIONS:

(a) The probability of a randomly chosen U.S. adult investing in both stocks and fixed income instruments is given as 0.25. The probability of a U.S. adult investing in fixed income instruments is 0.88. Using the formula for conditional probability, we have:

P(invests in stocks | invests in fixed income instruments) = P(invests in both stocks and fixed income instruments) / P(invests in fixed income instruments)

= 0.25 / 0.88

= 0.2841 (rounded to the nearest hundredth)

Therefore, the probability that a randomly chosen U.S. adult invests in stocks, given that he or she invests in fixed income instruments is 0.28 (rounded to the nearest hundredth).

To convert A to a percentage, simply multiply it by 100:

A = 0.2841

A as a percentage = 0.2841 x 100% = 28.41% (rounded to two decimal places)

(b) The probability of a randomly chosen U.S. adult investing in both stocks and fixed income instruments is 0.25, and the probability of a U.S. adult investing in stocks is 0.28. Using the formula for joint probability, we have:

P(invests in both stocks and fixed income instruments) = P(invests in stocks) × P(invests in fixed income instruments)

= 0.28 × 0.88

= 0.2464

The probability that a randomly chosen stock investor also invests in fixed income instruments is 0.25 / 0.28 = 0.8929 (rounded to the nearest hundredth), which is equivalent to 89.29%.

Therefore , the solution of the given problem of function comes out to be the monthly percentage rate of change is roughly 4.56%, to the closest hundredth of a percent.

There will be a range of questions in each subject on the midterm test, including inquiries about both imagined and real locations and also inquiries regarding the design of numerical variables. a schematic illustrating the connections between various components that work together to produce the same outcome.

Here,

The exponential development equation is:

=>[tex]N(t) = N_0 * e^{(rt)}[/tex]

We must first convert the annual growth rate from a percentage to a decimal, which we must then split by 12 to obtain the monthly rate:

Monthly rate at r = 54% is 0.54; r/12 is 0.045.

=>[tex]N(t) = 2600 * e^{(0.045)}[/tex]

=> [tex]N(t) = 2600 * 1.0469^t[/tex]

We can use the following method to determine the monthly percentage rate of change:

=> Monthly Rate of Change equals 100% * (e^(Monthly Rate) - 1)

By substituting the previously calculated monthly rate, we obtain:

=> [tex](e^{(0.045)} - 1)[/tex]* 100% = 4.56% for the monthly rate of change.

In light of this, the monthly percentage rate of change is roughly 4.56%, to the closest hundredth of a percent.

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Answer:

y = (7/3)x - 8/3

Step-by-step explanation:

Hope this helps:

To find the slope-intercept form of the equation of the line through the points (1, -5) and (4, 2), we need to first find the slope of the line.

The slope of a line passing through two points (x1, y1) and (x2, y2) can be found using the formula:

m = (y2 - y1) / (x2 - x1)

Using the coordinates of the two given points, we get:

m = (2 - (-5)) / (4 - 1)

m = 7 / 3

Now that we have the slope, we can use the point-slope form of the equation of a line to find the equation of the line:

y - y1 = m(x - x1)

Using the point (1, -5) and the slope we just found, we get:

y - (-5) = (7/3)(x - 1)

Simplifying and rearranging the equation, we get:

y = (7/3)x - 8/3

So the slope-intercept form of the equation of the line passing through the points (1, -5) and (4, 2) is:

y = (7/3)x - 8/3

We have: P(brown then yellow) = 2/11 and P(green then green) = 2/132.

What is probability?

Probability is a measure of the likelihood of an event occurring. It is a number between 0 and 1, where 0 means the event is impossible and 1 means the event is certain to happen.

let's calculate the probability of selecting a brown marble followed by a yellow marble without replacement:

P(brown then yellow) = (4/12) * (6/11) = 24/132 = 2/11

We multiply 4/12 (the probability of selecting a brown marble on the first draw) by 6/11 (the probability of selecting a yellow marble on the second draw, after one brown marble has already been removed). Note that we divide by 11 on the second draw, as there are now only 11 marbles left in the bag.

Now let's calculate the probability of selecting two green marbles without replacement:

P(green then green) = (2/12) * (1/11) = 2/132

We multiply 2/12 (the probability of selecting a green marble on the first draw) by 1/11 (the probability of selecting another green marble on the second draw, after one green marble has already been removed). Again, note that we divide by 11 on the second draw, as there are now only 11 marbles left in the bag.

So, we have:

P(brown then yellow) = 2/11

P(green then green) = 2/132

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Answer:

Step-by-step explanation:

Jasmine has 5 books that she wants to read. She wants to read the nonfiction book first and the mystery book last. Therefore, there are 3 remaining books that can be read in any order.The nonfiction book can be chosen in 1 way, and the mystery book can be chosen in 1 way. The remaining 3 books can be arranged in 3! (or 6) ways.Therefore, the total number of different orders in which Jasmine can read the books is:1 × 3! × 1 = 6 × 1 = 6So, there are 6 different orders in which Jasmine can read the books.

Answer:

Great question! When we find the volume of a 3D shape, we need to calculate the amount of space occupied by the object. This space is measured in cubic units, which is why we need to cube one dimension or multiply three dimensions together to find the volume of a 3D shape. For example, if we want to find the volume of a cube with side length "s", we would cube that value by raising it to the power of 3. This is because we need to multiply the length "s" by the width "s" and the height "s" to get the total space occupied by the cube, which is s^3. Similarly, if we want to find the volume of a rectangular prism with dimensions "l", "w", and "h", we would multiply these three values together to get the total volume. This is because the space

Answer:

Either A or c

Step-by-step explanation:

Solving the probability and permutations, we get (a) 20,160. (b) Larry, Moe, Curly, and Shemp can be arranged in the four front seats in 24 ways, and the ILB block can be arranged with the remaining students in 720 ways, and (c) 1/280.

(a) The number of possible seating arrangements can be calculated using the formula for permutations of n objects taken r at a time: P(n,r) = n!/(n-r)!. In this case, there are 8 students and 8 desks, so there are 8! possible seating arrangements.

To find the number of days before a seating arrangement is repeated, we need to subtract 1 from this number (since the first day is a unique arrangement) and divide by 2 (since there are two possible ways to arrange the students in any given seating arrangement, by simply rotating the arrangement). So the number of days before a seating arrangement is repeated is (8! - 1)/2 = 20,160.

(b) Larry, Moe, Curly, and Shemp must occupy the four front seats, so we need to choose four of the remaining four desks for the other students to sit at. This can be done in 4!/(4-4)! = 4! = 24 ways.

(c) We can treat the block of three students (ILB) as a single object, and then arrange the five remaining objects (M, O, A, X, and the ILB block) in a row. The ILB block can be arranged in 3! = 6 ways, and the other five objects can be arranged in 5! = 120 ways.

So the total number of potential seating arrangements in which ILB remains together is 6 x 120 = 720.

(d) The probability that Larry, Moe, Curly, and Shemp are sitting in the front seats is the number of possible seating arrangements in which they occupy the four front seats (24, from part b) divided by the total number of possible seating arrangements ([tex]8![/tex], from part a). So the probability is 24/8! = 1/280.

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Answer:

534×10³

5340×10²

53400×10

Step-by-step explanation:

The angle 'x' and the angle 65  form a straight line which is 180 degrees

x + 65 = 180

x = 180 - 65

x = 115 degrees

Answer: The answer is 115°

Step-by-step explanation:

we know that the angle of the straight line is 180°.

here, X= 180°- 65°

therefore, X=115°

The true average amount of warpage in all such pieces of laminate lies between 0.0609 and 0.0653 inches with 99% confidence.

a) To construct a 99% confidence interval for the average amount of warpage in all such pieces of laminate, we can use the formula:

CI = X ± Z × (s / √n)

where X is the sample mean warpage, Z is the Z-value from the table below, s is the sample standard deviation and n is the number of observations.

The Z-value for a 99% confidence interval is 2.576. (refer the image)

Plugging in the values we get:

0.0631 ± 2.576 × (0.0072 / √45)

= [0.0609, 0.0653]

b) To construct a 90% confidence interval for the average amount of warpage in all such pieces of laminate, we can use the same formula as above but with a different Z-value.

The Z-value for a 90% confidence interval is 1.645.

Plugging in the values we get:

0.0631 ± 1.645 × (0.0072 / √45)

= [0.0618, 0.0644].

c) Because we need to be more positive that our interval contains the genuine population mean as our confidence level rises, the interval for a 99% confidence level is greater than that for a 90% confidence level. This suggests that in order to account for all possible values of the population mean, we must widen our interval.

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Answer:

Step-by-step explanation:

You are looking for 1/2 of an unknown number minus 19.  It will equal -13.

                                                                                                  1/2x - 19 = -13

Get x isolated, so add 19 on left to cancel, then add on right)     +19    +19                                                                                                

                                                      And you now are down to   1/2 x      =   6  

Now, let's simplify the fraction (1/2).  Since it is 1 divided by 2, you reverse division with multiplication. Multiply 1/2 by the denominator (2) and you get 1. So, you're down to 1x, or just x.   Then multiply the number on the other side of the equal sign (the 6) by 2 and you get 12.

So x = 12.

Now, let's go back to our original equation and plug in the x and see if it works.

1/2x - 19 = -13

becomes 1/2 (12) - 19 = -13

becomes 6 - 19 = -13

Voila! Our missing number (x) is 12.

The equation for the line of best fit is a useful tool in data analysis to describe the relationship between two Variables and make predictions based on that relationship.

The equation for the line of best fit is a mathematical formula that describes the relationship between two variables in a data set. It is used in regression analysis to estimate and predict the value of one variable based on the value of another.

To find the equation for the line of best fit, we use the method of least squares, which minimizes the sum of the squares of the differences between the observed data points and the predicted values from the equation.

The equation takes the form of y = mx + b, where y is the dependent variable, x is the independent variable, m is the slope of the line, and b is the y-intercept. The slope represents the rate of change of y with respect to x, and the y-intercept is the value of y when x = 0.

The coefficient of determination, denoted as r, is a measure of how well the line fits the data. It ranges from -1 to 1, where a value of 1 indicates a perfect fit, and a value of 0 indicates no correlation. A negative value indicates an inverse relationship.

In summary, the equation for the line of best fit is a useful tool in data analysis to describe the relationship between two variables and make predictions based on that relationship.

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The value of Z is -66.7

What is an inverse function?

An inverse in mathematics is a function that "undoes" another part. In other words, if f(x) produces y, y entered into the inverse of f producing x. An invertible function has an inverse, and the inverse is represented by the symbol f1.

Here, we have

Given: Suppose x varies directly as y, and x varies inversely as z.

Find z when x= 10 and y= −7, if z= 20 when x= 6 and y= 14.

X = K(Y/Z) if x =10, y=-7, Z=20

substituting in the equation 10 = K(-7/20)

solving for K = -28.6

When x = 6, Y = 14, and K(constant) = -28.6

6 = -28.6(14/Z)

solving for Z by cross multiplication, we get

Z = -66.7

Hence, the value of Z is -66.7

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Answer:

11 children and 34 adults

Step-by-step explanation:

let children be x and let adult be y

15x+25y=1015

x+y=45

*simultaneous equation

x=11, y=34

(11*15)+(34*25)

=165+850

=1015

The fish tank will hold 12,960 cubic inches of water.

What is volume ?

Volume is a physical quantity that refers to the amount of space occupied by an object or a substance. In mathematical terms, volume can be defined as the measure of the three-dimensional space enclosed by a closed surface or shape. It is usually expressed in cubic units such as cubic meters, cubic feet, or cubic centimeters, depending on the system of measurement being used.

The volume of a rectangular prism can be calculated by multiplying its length, width, and height. Therefore, the volume of the fish tank is:

30 inches (length) x 24 inches (depth) x 18 inches (height) = 12,960 cubic inches

Therefore, the fish tank will hold 12,960 cubic inches of water.

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