How do I work this out ?

Answer:

Step-by-step explanation:

Your equation is 0.75L +  0.5L + x = 2L
x = Orange juice

0.75L + 0.5L = 1.25L
2L - 1.25L = 0.75L

[tex]\frac{0.75L}{2L}[/tex] is your fraction
[tex]\frac{75}{200}[/tex]  simplified is [tex]\frac{3}{8}[/tex]
I hope this helped,

Translation: The blue figure can be moved to the red figure by a translation of three units to the right and one unit down.

Reflection: The blue figure can be moved to the red figure by a reflection over the x-axis.

Rotation: The blue figure can also be moved to the red figure by a rotation of 90 degrees counterclockwise.

Transformation in mathematics is the process of changing an object or figure in some way. This includes changing the size, position, rotation or reflection of an object. Transformations can also be used to move a figure from one coordinate system to another. Common transformations include translation, rotation, reflection and scaling.

To demonstrate this transformation, imagine the blue figure being shifted three units to the right and one unit down, such that it is now completely overlapping the red figure.

This transformation can be visualized by imagining the figure being flipped along the x-axis, so that the right side of the figure is now on the left side and vice versa.

To demonstrate this transformation, imagine the blue figure being spun 90 degrees counterclockwise, so that the top of the figure is now on the left side and the bottom is on the right side. This rotation will align the figure with the red figure.

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Accοrding tο the Pythagοrean theοrem, the length οf the suppοrting guy wires frοm the tοp οf the 45 ft. tall cell phοne tοwer, if they are secured tο the grοund 28 ft. hοrizοntally frοm the base οf the tοwer, is 53 ft.

The Pythagοrean theοrem is a fundamental result in Euclidean geοmetry that describes the relatiοnship between the three sides οf a right-angled triangle.

In equatiοn fοrm, this can be written as:

c² = a² + b²

where c is the length οf the hypοtenuse, and a and b are the lengths οf the οther twο sides (alsο knοwn as the legs) οf the right-angled triangle.

In this case, the tοwer, the grοund, and the guy wire fοrm a right triangle. We knοw the height οf the tοwer is 45 ft, and the hοrizοntal distance frοm the base οf the tοwer tο where the guy wire is secured tο the grοund is 28 ft. Let's call the length οf the guy wire c. Then, we have:

a = 28 ft (hοrizοntal distance frοm the base οf the tοwer tο where the guy wire is secured)

b = 45 ft (height οf the tοwer)

c = length οf the guy wire (hypοtenuse)

Using the Pythagοrean theοrem, we can sοlve fοr c:

[tex]a^2 + b^2 = c^2[/tex]

[tex]28^2 + 45^2 = c^2[/tex]

[tex]784 + 2025 = c^2[/tex]

[tex]2809 = c^2[/tex]

[tex]c = \sqrt{(2809)[/tex]

c ≈ 53 ft

Therefοre, the length οf the suppοrting guy wires frοm the tοp οf the 45 ft. tall cell phοne tοwer, if they are secured tο the grοund 28 ft. hοrizοntally frοm the base οf the tοwer, is apprοximately 53 ft.

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Hi!

The power of 7 to make 2,401 is 4.

Written out ↓ ↓ ↓

7 x 7 = 49 (Thats the first 2 sevens)
49 x 7 = 343 (Three)
343 x 7 =  2,401 (Four)

= 7^4

Hope this helps!
~~PicklePoppers~~

Answer: 20/3 mph or 6.667 mph.

Step-by-step explanation:

Since the athlete runs 1/3 of a mile per 1/20 of an hour, to find how much they run in an hour, you multiply both values by 20 to get: the athlete runs 20/3 miles per 20/20 of an hour, or 20/3 miles per hour.

The expected profit of Ayo is  $ 79.95.

The probability of an event happening can be calculated by dividing the number of favorable outcomes by the total number of possible outcomes.

Here in this problem, we use probability to calculate the total profit. Calculate the probability of winning 150 people so that we can calculate the total winning amount of 150 persons.

Now calculate the total amount gained by Ayo by costing each turn. Now subtract both values and will get the expected profit.

Here we have

Ayo runs fairground games

In each turn, a player rolls a fair dice numbered from 1 - 6 and a spin numbered 1 - 5

Every player can win £ 8 or £ 3

In total there are 150 to play

Here probability of winning £ 8 i.e rolling 2 and rolling 5  

= [ 1/6 × 1/5 ] = 1/30  

Probability of winning £ 3 i.e getting at least one 3 in roll or spin

Here we have taken 3 cases that are getting 3 in a roll but not in spin, getting 3 in a spin but not in roll, and getting 3 in both roll spin

= [ 1/6 × 4/5 ] + [5/6 × 1/5 ] + [ 1/6 × 1/5 ]  

= 4/30 + 5/30 + 1/30 = 10/30 = 1/3

Hence, the expected amount in 1 a single game

= 8 × 1/30 + 3 1/3 = 8/30 + 1 = 0.267 + 1 = 1.267

There are 150 player  

Total amount won by 150 = 150 (1.267) = $ 190.05  

Here It cost a player 1.80 for every turn  

Ayo will get for 150 players = 1.80 × 150 = $ 270

If 150 players won $ 190.05,

then the profit won by Ayo = 270 - 190.05 = 79.95

Therefore,

The expected profit of Ayo is  $ 79.95.

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Mrs. McGee's class can make 12 banners from the 3-foot piece of poster board.

The total length of the poster board is 3 feet, which is equivalent to 3 x 12 = 36 inches.  

Each piece of poster board is 1/4 of a foot long, which is equivalent to 3 inches (since 1 foot is equal to 12 inches).

To find out how many banners can be made from the poster board, we need to divide the total length of the poster board by the length of each banner:

Number of banners = Total length of poster board / Length of each banner

Number of banners = 36 inches / 3 inches

Number of banners = 12 banners

Therefore, Mrs. McGee's class can make 12 banners from the 3-foot piece of poster board.

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Thus, 4.0 moles of NH3 would be produced when 6.0 moles of H2 react with sufficient N2.

Suppose 6.0 mol of H2 reacts with sufficient N2 to produce ammonia, NH3. We can determine the number of moles of NH3 produced using stoichiometry.The balanced chemical equation for the reaction is:[tex]3H2(g) + N2(g) → 2NH3(g)[/tex]

From the equation, we can see that 3 moles of H2 react with 1 mole of N2 to produce 2 moles of NH3.

Therefore, using the mole ratio from the balanced equation, we can calculate the number of moles of NH3 that would be produced when 6.0 mol of H2 reacts with [tex]N2:6.0 mol H2 × (2 mol NH3/3 mol H2) = 4.0 mol NH3[/tex]

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The equation that represents the situation is (4 + x) / (10 + 25 + x) = 0.25

Let's start by finding the amount of medicine in the original mixture before adding any pure medicine.

The amount of medicine in the 10 grams of 15% solution is

0.15 × 10 = 1.5 grams

The amount of medicine in the 25 grams of 10% solution is

0.10 × 25 = 2.5 grams

So the total amount of medicine in the original mixture is,

1.5 + 2.5 = 4 grams

Now let x be the amount of pure medicine added.

The total amount of medicine in the final mixture is,

4 + x

The total amount of solution in the final mixture is,

10 + 25 + x

So the concentration of the final mixture is,

(4 + x) / (10 + 25 + x)

We know that this concentration is 25%, so we can write:

(4 + x) / (10 + 25 + x) = 0.25

This is the equation that represents the situation.

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The given question is incomplete, the complete question is:

A pharmacist mixes 10 grams of a 15% medicine solution with 25 grams of a 10% medicine solution. Suppose we know that after she adds the x grams of pure medicine the pharmacists mixture is 25% medicine solution. Write an equation that represents the situation

The number of days that it would take to lose 10 pounds, given the calories in the morning latte is 97 days.

Determine the total number of calories you need to burn to lose 8 pounds:

Calories to burn = Pounds to lose × Calories per pound

Calories to burn = 8 × 3,500 = 28,000

Calculate the number of calories you save per day by giving up your morning latte:

Daily calorie savings = Calories in latte

Daily calorie savings = 290

Determine how many days it would take to burn the total number of calories needed to lose 8 pounds:

Days to lose weight = Calories to burn / Daily calorie savings

Days to lose weight = 28,000 / 290 = 97 days

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Full question is:

Assuming the rest of your diet remains constant, how many days will it take you to lose 8 pounds? You must burn an extra 3500 Calories to lose 1 pound of body weight. (your daily latte contains 290 Calories. You want to lose weight by giving up your morning latte and drinking water instead.)

The box and whisker plot can be created by :

Minimum value - 6

Maximum Value - 15

Median - 10

Quartiles - Q1 - 7.5, Q2 - 10, Q3 - 13.5

To create a box and whisker plot for the given data set {6,7,7,8,9,10,10,10,10,13,13,14,14,15,15}, we need to first find the minimum value, maximum value, median, and quartiles.

Minimum value: 6

Maximum value: 15

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

6,7,7,8,9,10,10,10,10,13,13,14,14,15,15

The median is the middle value in the data set, which is 10.

Quartiles: To find the quartiles, we need to divide the data set into four equal parts.

First quartile (Q1): The first quartile is the median of the lower half of the data set. In our case, the lower half of the data set is:

6,7,7,8,9,10

The median of this set is (7+8)/2 = 7.5.

Second quartile (Q2): The second quartile is the median of the entire data set, which we already found to be 10.

Third quartile (Q3): The third quartile is the median of the upper half of the data set. In our case, the upper half of the data set is:

10,10,10,10,13,13,14,14,15,15

The median of this set is (13+14)/2 = 13.5.

Now, we can use the above information to create the box and whisker plot.

The horizontal line inside the box represents the median (10). The bottom of the box represents the first quartile (7.5), and the top of the box represents the third quartile (13.5). The whiskers extend from the box to the minimum value (6) and maximum value (15).

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The expected number of shots required to make one free-throw is approximately 1.85.

To calculate the expected value of Y, denoted by E[Y], we need to consider the probability distribution of Y.

The probability distribution of Y is a geometric distribution, since we are counting the number of trials required until the first success (i.e., making a free-throw). The probability of success on each trial is p = 0.54, since you have a 54% chance of making each free-throw. The probability of failure (missing the free-throw) on each trial is q = 1 - p = 0.46.

The probability mass function (PMF) of a geometric distribution is given by:

P(Y = k) = q^(k-1) * p

where k is the number of trials required to achieve the first success.

In this case, we want to find the expected value of Y, which is defined as:

E[Y] = Σ(k=1 to ∞) k * P(Y = k)

We can simplify this expression using the PMF of the geometric distribution:

E[Y] = Σ(k=1 to ∞) k * q^(k-1) * p

This sum can be evaluated using the formula for the sum of an infinite geometric series:

E[Y] = 1/p

Substituting in the value of p = 0.54, we get:

E[Y] = 1/0.54 ≈ 1.85

This means that on average, you need to take about 2 shots to make one free-throw if you have a 54% free-throw shooting percentage.

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Complete question is:

If you are a 54 % free-throw shooter and the random variable y denotes the total number of shots in order to make one free-throw, then:

Calculate E[Y]

The probability of getting one marble of each color will be 0.044.

The probability of an event is a figure that represents how probable it is that the event will take place. In terms of percentage notation, it is stated as a number between 0 and 1, or between 0% and 100%. The higher the probability, the more probable it is that the event will take place. A random event's recurrence is the subject of this area of mathematics. The range of the number is 0 to 1. The degree to which something is likely to happen is essentially what probability means. You will discover the potential outcomes for a random experiment using this fundamental theory of probability, which is also applied to the probability distribution.

In this question,

Total number of balls=4+5+6=15

probability of red ball= 4/15

probability of white ball = 5/14  (Since the number of balls are decreasing

probability of blue ball= 6/13

probability of getting one marble of each color= 4/15×5/14×6/13    

                                                                              = 0.044

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This equation represents the linear relationship between the dependent variable (y) and the independent variable (x) with a slope of 2 and a y-intercept of -3.

However, I can provide a general example using common terms in algebra:
Terms: Dependent variable (y), independent variable (x), slope (m), and y-intercept (b).
To represent a linear relationship between two variables, we can use the equation of a straight line, which is often written as:
[tex]y = mx + b[/tex]
Here's what each term in the equation represents:
1. y: This is the dependent variable, meaning its value depends on the value of the independent variable (x). In a graph, it is usually represented on the vertical axis.
2. x: This is the independent variable, which can take any value within a given range. It is usually represented on the horizontal axis in a graph.
3. m: This is the slope of the line, representing the rate at which the dependent variable (y) changes with respect to the independent variable (x). A positive slope indicates an increasing relationship, while a negative slope indicates a decreasing relationship.
4. b: This is the y-intercept, which is the point where the line crosses the y-axis. It represents the value of the dependent variable (y) when the independent variable (x) is equal to zero.
simply plug in the values for the slope (m) and y-intercept (b). For example, if the slope is 2 and the y-intercept is -3, the equation would be:
[tex]y = 2x - 3[/tex]

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The smaller number is 5.5 and the larger number is 15.5.

Let's start by assigning variables to the two unknown numbers. Let x be the smaller number and y be the larger number.

From the problem statement, we know that:

x + y = 25 (the sum of the two numbers is 25)

y = 3x - 3 (the larger number is 3 less than three times the smaller)

We can use the second equation to solve for y in terms of x, by adding 3 to both sides:

y + 3 = 3x

Then, we can substitute this expression for y into the first equation:

x + (y + 3) = 25

Substituting y + 3 with 3x, we get:

x + 3x = 22

Combining like terms, we get:

4x = 22

Finally, we solve for x by dividing both sides by 4:

x = 5.5

Now that we know x, we can use the equation y = 3x - 3 to find y:

y = 3(5.5) - 3 = 15.5

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Answer:

C

Step-by-step explanation:

A (- 6, - 8 ) and C (9, - 8 )

since the y- coordinates of both points are equal, both - 8

then AC is a horizontal line

the distance AC can be calculated by calculating the absolute value of the x- coordinates, that is

AC = | 9 - (- 6) | = | 9 + 6 | = | 15 | = 15 units

or

AC = | - 6 - 9 | = | - 15 | = | 15 | = 15 units

given 1 unit = [tex]\frac{1}{2}[/tex] mile , then

AC = 15 units = 15 × [tex]\frac{1}{2}[/tex] = 7.5 miles

(a) The ratio of sin A as a fraction is 63/65, cos A is 16/65 and the tan of angle A is 63/16.

(b) The ratio of sin B as a fraction is 16/65, cos B is 63/65 and the tan of angle B is 16/63.

The missing parts of the right triangle is calculated using the trigonometry principle as shown below.

For angle A:

opposite side = 63

adjacent side = 16

hypothenuse side = 65

sin A = opp/hypo = 63 / 65

cos A = adj/hypo = 16 / 65

tan A = opp/adja = 63/16

For angle B:

opposite side = 16

adjacent side = 63

hypothenuse side = 65

sin B = opp/hypo = 16 / 65

cos B = adj/hypo = 63 / 65

tan A = opp/adja = 16/63

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Answer:

please give question properly

Answer: If adding predictor variables to a regression model never reduces r2, you can include all the available predictor variables in the model, as long as they have a significant correlation with the dependent variable. However, having too many variables in a model may lead to overfitting, resulting in poor model generalization. In addition, some predictor variables may not be useful, while others may be collinear. As a result, it is usually recommended to use a stepwise regression method, which selects the best subset of predictor variables that improve the model's performance, without including irrelevant or collinear variables.r2 adj: R2 adj is the adjusted R2 value of a regression model. R2 adj is a statistical measure of how well the regression model fits the observed data. It is similar to the R2 value, but takes into account the number of predictor variables in the model, in addition to the sample size. The adjusted R2 value increases when a new predictor variable improves the model's fit, but decreases when the new predictor variable does not improve the model's fit or is collinear with other predictor variables.

The adjusted R2 value ranges from 0 to 1, with higher values indicating better model fit.

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Answer: D

Step-by-step explanation:

Its the fairest way to pick a random person

Answer:

Step-by-step explanation:

The probability that the proportion of the sampled teenagers who own a smartphone is between 0.35 and 0.45 is [tex]P(X) = 100Cx (0.4)^x (1-0.4)^(100-x).[/tex]

The formula is [tex]P(X) = nCx (p)^x (1-p)^(n-x)[/tex], where n is the number of trials, x is the number of successes, and p is the probability of success for one trial. In this case, n represents the number of teenagers sampled, x represents the number of teenagers who own a smartphone, and p represents the probability that any one teenager owns a smartphone.

First, let us calculate p. The probability of success (owning a smartphone) is the proportion of the sampled teenagers who own a smartphone, which is between 0.35 and 0.45. Since the probability of success lies between 0.35 and 0.45, we can take the average of these numbers, which is 0.4. This number (0.4) is p.

Next, let us calculate x. The number of successes (teenagers who own a smartphone) is the proportion of the sampled teenagers who own a smartphone, which is between 0.35 and 0.45. Since the number of successes lies between 0.35 and 0.45, we can take the average of these numbers, which is 0.4. This number (0.4) is x.

Finally, we can calculate n. We know that the number of teenagers sampled is 100, so n = 100.

[tex]P(X) = 100Cx (0.4)^x (1-0.4)^(100-x).[/tex]

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Answer:

Step-by-step explanation:

You can read the answers right off the graph.

a)  When t=5: Find 5 on the x-axis (time (h)), go straight up vertically until you hit the line, then go straight to the left horizontally until you hit the y-axis (distance (km));  at that point d ≈ 14 km

b)  When d=20:  Find 20 on the y-axis (distance (km)), go straight to the right horizontally until you hit the line, then go straight down vertically until you hit the x-axis (time (h));  at that point t ≈ 7 hr

Reason:

a+b = 15+24 = 39 is NOT larger than c = 39

Since a+b > c is false, a triangle is NOT possible.

The sum of any two sides must exceed the third side for a triangle to be possible. For more information, check out the triangle inequality theorem.

Sinusoidal functions can model natural phenomena and periodic patterns in data, aiding in better understanding and more accurate predictions, while also solving real-world problems.

The idea of a sinusoidal function can be used to model real-world phenomena or solve real-world problems. Many natural phenomena can be modeled using sinusoidal functions, including tides, sound waves, and electromagnetic waves.

In addition, sinusoidal functions can be used to model periodic patterns in data, such as seasonal trends or cyclical patterns in financial data. By using sinusoidal functions to model these phenomena, we can gain a better understanding of their behavior and make more accurate predictions about their future behavior.

Sinusoidal functions can also be used to solve real-world problems, such as calculating the amplitude, frequency, or period of a wave or predicting the behavior of a system that exhibits periodic patterns.


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Answer:

1.8 kilometers

hope this helped

Answer:

1 8/10 kilometers

Step-by-step explanation:

u keep on adding 3 on to 3/10th 6 times then u get a improper fraction and turn that into a fraction and u get ur answer

hope it helps

6.9 inches of snow would be necessary for march for Chicago to exceed its monthly average snowfall of 7.28 in. for these five months.

The given data is as follows:

Snowfall months and their fallen depth is:

November = 2

December = 8.4

January = 11.2

February = 7.9

First, we need to first find out the total snowfall for the five months of November, December, January, February, and March.

Total snowfall = 2 + 8.4 + 11.2 + 7.9 + March

The average snowfall =  7.28 iches.

7.28 inches/month x 5 months = 36.4 inches

2 + 8.4 + 11.2 + 7.9 + March  = 36.4

29.5 + March = 36.4

March =  36.4 - 29.5

March = 6.9 inches.

Therefore, we can conclude that more than 6.9 inches of snow would be necessary for march for Chicago to exceed its monthly average snowfall of 7.28 in. for these five months.

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The height of a 100-lb flamingo can be estimated by assuming that it would be proportional to the height of the 20-lb pink flamingo. Based on this assumption, the 100-lb flamingo would be 6 ft tall.

The leg length of a 100-lb flamingo can be estimated by assuming that it would also be proportional to the leg length of the 20-lb pink flamingo. Using this assumption, the 100-lb flamingo would have legs 4 ft in length.

These assumptions are reasonable given that the difference in size of the two flamingos is only a factor of 5. This means that the size difference between the two is not large enough to drastically change the proportions of their bodies. Thus, it is a fair assumption that the proportions of their height and leg length would remain roughly the same.

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Since there are students who play both sports, the events of playing basketball and playing soccer are not mutually exclusive.

A Venn diagram is a visual representation of sets or groups and their relationships to one another.

It consists of two or more circles or other shapes that overlap, with each shape representing a different set, and the overlap representing the elements that belong to both sets.

Looking at the diagram, we see that there is a region where the two circles overlap, which means there are elements (points) that are in both circles. Therefore, the events shown in the Venn diagram are not mutually exclusive.

In this particular case, the circles represent the events of students who play basketball and students who play soccer, respectively. The overlap represents students who play both basketball and soccer.

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The complete question is given below-

The  probability that at least 3 customers out of the first 6 will buy bread is 88.3% that is option B.

The binomial distribution is the discrete probability distribution used in probability theory and statistics that only allows for Success or Failure as the potential outcomes of an experiment. For instance, if we flip a coin, there are only two conceivable results: heads or tails, and if we take a test, there are only two possible outcomes: pass or fail. A binomial probability distribution is another name for this distribution.

The formula used is :

P(X=x) = [tex]C_n.x.p^x.(1-p)^n^-^x[/tex]

The parameters are:

x is the number of successes.

n is the number of trials.

p is the probability of a success on a single trial.

In this problem:

65% of customers who come into this store buy bread, hence p = 0.65.

A sample of 6 customers is taken, hence n = 6.

The probability that at least 3 customers out of the first 6 will buy bread is given by:

P(X≥3) = P(X=3) + P(X=4) + P(X=5) + P(X=6)

In which

P(X=x) = [tex]C_n.x.p^x.(1-p)^n^-^x[/tex]

P(X = 3) = C₆,₃(0.65)³ x (0.35)³ = 0.2355

P(X = 4) = C₆,₄(0.65)⁴ x (0.35)² = 0.328

P(X = 5) = C₆,₅(0.65)⁵ x (0.35)¹ = 0.2437

P(X = 6) = C₆,₆(0.65)⁶ x (0.35)⁰ = 0.0754

Then,

P(X≥3) = P(X=3) + P(X=4) + P(X=5) + P(X=6)

= 0.2355 + 0.328 + 0.2437 + 0.0754 = 0.8826

The probability that at least 3 customers out of the first 6 will buy bread is 0.8826 ≈ 88.3%.

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Complete  question;

A local bakery sells the freshest bread in town. In fact, 65% of customers who come into this store buy bread. What is the probability that at least 3 customers out of the first 6 will buy bread?

23.5%

88.3%

11.7%

76.5%