25 out of 68 students have vanilla ice cream and the rest have chocolate. What is the ratio of the number of students who have vanilla to the total number of students?

The percentage of customers who do not purchase clubs or balls is 0.66 or 66%.

Ten percent of customers who walk into a golf store purchase a golf club and 30% of customers purchase golf balls. Six percent of customers purchase both clubs and balls. The percentage of customers who do not purchase clubs or balls is 0.66.

Given that, The percentage of customers who purchase golf clubs = 10%The percentage of customers who purchase golf balls = 30%The percentage of customers who purchase both clubs and balls = 6%To find out the percentage of customers who do not purchase clubs or balls, we have to subtract the percentage of customers who purchase either clubs or balls or both from 100%.

Percentage of customers who purchase either clubs or balls or both = 10% + 30% - 6% = 34% Percentage of customers who do not purchase clubs or balls = 100% - 34% = 66%.

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The option in the question that is equivalent to 3/8 is 2/5.

We can simplify 3/8 and 2/5 so that they have a common denominator:

3/8 = 3*(5/5)/(85/5) = 15/40

2/5 = 2(8/8)/(5*8/8) = 16/40

Since 15/40 and 16/40 have the same denominator, we can compare their numerators to see which is larger:

15/40 < 16/40

Since 16/40 is larger, we can conclude that 2/5 is greater than 3/8.

Therefore, the option that is equivalent to 3/8 is 2/5.

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Answer:

Starting with the left side of the equation:

cosθ(1+tanθ) = cosθ(1+sinθ/cosθ) (since tanθ = sinθ/cosθ)

= cosθ + sinθ

Therefore, the left side of the equation is equal to the right side of the equation, which means that cosθ(1+tanθ) = cosθ+sinθ is true.

Let θ be equal to 855∘. Sketch θ in standard position. θ = 855∘ is in the fourth quadrant of the coordinate plane θ = 855∘

Hence, we sketch θ in the standard position with its initial side along the positive x-axis.

Find an angle between 0∘ and 360∘ that is coterminal with θ.

The angle between 0∘ and 360∘ that is coterminal with θ is given by:

θ1 = θ - n × 360∘θ1 = 855∘ - 2 × 360∘θ1 = 855∘ - 720∘θ1 = 135∘

Find an angle between −360∘ and 0∘ that is coterminal with θ.

The angle between −360∘ and 0∘ that is coterminal with θ is given by:

θ2 = θ + n × 360∘θ2 = 855∘ + 2 × 360∘θ2 = 855∘ + 720∘θ2 = 1575∘

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The first game brought in more money than the last game.

Any number of equal parts is represented by a fraction, which also symbolizes a portion of a whole. A fraction, such as one-half, eight-fifths, or three-quarters, indicates how many pieces of a particular size there are when spoken in everyday English.

According to question:

The baseball team made more money at their first game because 6/7 is less than 1. This means that they made less money at their last game than at their first game. For example, if they made $100 at their first game, then they made 6/7 x $100 = $85.71 at their last game, which is less than $100.

Therefore, the first game brought in more money than the last game.

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a. S = {(1, -1), (2, 1)}Let's begin by calculating the determinant of the matrix composed of the vectors of S, and checking if it is equal to 0. Because the two vectors are not colinear, they should span R2.|1 -1||2 1| determinant is not 0, therefore S spans R2. No geometric description is required for this example.

b. S = {(1, 1)} The set S contains one vector. A set containing only one vector cannot span a plane because it only spans a line. Therefore, S does not span R2. Geometric description: S spans a line that passes through the origin (0, 0) and the point (1, 1).c. S = {(0, 2), (1, 4)} Let's again begin by calculating the determinant of the matrix composed of the vectors of S, and checking if it is equal to 0.|0 2||1 4| determinant is 0, thus S does not span R2. In this scenario, S only spans the line that contains both vectors, which is the line with the equation y = 2x.

Geometric description: S spans a line that passes through the origin (0, 0) and the point (1, 2).

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In mathematics, a ratio is a comparison of two quantities or numbers expressed in terms of division. The order in which the quantities are expressed in a ratio is also important.

Ratios are used in various mathematical applications such as in finance, geometry, and physics. The units or quantities being compared in a ratio are crucial in determining the meaning and significance of the ratio.

For example, if the ratio is expressed as 2:1, it could mean that the first quantity is twice the size of the second quantity, or it could mean that the second quantity is half the size of the first quantity. Therefore, it is important to clearly define the units or quantities being compared to avoid any ambiguity or misunderstanding.

In the example above, if the ratio was expressed as 1:2 instead of 2:1, the meaning of the ratio would be reversed. Therefore, the order of the quantities in a ratio should be consistent with the context in which it is being used. In summary, the units and the order in which the quantities are expressed in a ratio are important in conveying accurate and meaningful information.

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Complete question:

In mathematics, the units or quantities being compared and the order in which they are expressed in a ratio are both important. The _____ in which ratio is expressed is important  

The length of the altitude of the equilateral triangle with side lengths of 28 meters is 14[tex]\sqrt{3}[/tex] meters.

Define equilateral.

Equilateral is an adjective used to describe a geometric figure, such as a triangle, that has all sides of equal length. In an equilateral triangle, all three sides are of equal length, and all three angles are also equal, measuring 60 degrees each.

To find the altitude of an equilateral triangle, we can use the following formula:

altitude = ([tex]\sqrt{3}[/tex]/2) x side length

Since the side length of the equilateral triangle is 28 meters, we can substitute it in the formula and simplify:

altitude = ([tex]\sqrt{3}[/tex]/2) x 28

= 14[tex]\sqrt{3}[/tex] meters (rounded to two decimal places)

Therefore, the length of the altitude of the equilateral triangle is approximately 14.00 meters.

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Solution:

we have been asked to graph [tex]f(x)=2^x+1[/tex] and [tex]g(x)=-x+7[/tex] on the same coordinate plane.

Then we have been asked to find the solution to the equation ?

So we will plot the graph and look for their point of intersection, the x-coordinate of the point of intersection will give the value of x.

So from the graph its clear that the point of intersection is (2,5)

Hence the value of x=2.

A person pays $1 to play a certain game by rolling a single die once. if a 1 or 2 comes up, the person wins nothing. if, however, the player rolls a 3, 4, 5, or 6 he or she wins the difference between the number rolled and $1, this means that the game is not fair, based on the expected value

We can see that the expected value of the game can be found by multiplying each payout by its probability of occurring and then summing up the results:Expected value = (0.2)($1) + (0.2)($1) + (0.2)($2) + (0.2)($3) + (0.2)($4) + (0.2)($0) + (0.2)($0)Expected value = $0.40 Since the expected value of the game is positive, it means that, over the long run, players are expected to make money on average. This means that the game is not fair.

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the temperature at 8:00 am is 9°C  This means that every hour from midnight to 8:00 am, the temperature increased by 1.5°C, resulting in a total increase of 12°C over the 8 hour period.

To solve this problem, we need to use the formula for calculating the final temperature based on the initial temperature and the rate of change per hour.

The formula for this is:

Final Temperature = Initial Temperature + (Rate of Change per Hour x Number of Hours)

In this case, the initial temperature is -3°C, the rate of change per hour is 1.5°C, and the number of hours is 8.

Plugging these values into the formula, we get:

Final Temperature = -3 + (1.5 x 8)

Final Temperature = -3 + 12

Final Temperature = 9°C

Therefore, the temperature at 8:00 am is 9°C.

This means that every hour from midnight to 8:00 am, the temperature increased by 1.5°C, resulting in a total increase of 12°C over the 8 hour period.

It's important to note that this problem assumes that the rate of change per hour remains constant throughout the 8 hour period. In reality, the temperature may fluctuate based on various factors, such as wind, cloud cover, and humidity. However, for the purposes of this problem, we can assume that the rate of change per hour remains constant.

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When the radius of circle 2 is twice the radius of circle 1, the size of circle 2 is larger than circle 1.

In geometry, a triangle is a polygon with three sides and three angles. The sum of the angles in a triangle is always 180 degrees. Triangles are one of the most basic and fundamental shapes in geometry and are used in many mathematical and real-world applications, such as in architecture, engineering, and physics. There are different types of triangles based on the length of their sides and the measures of their angles, such as equilateral triangles, isosceles triangles, scalene triangles, acute triangles, obtuse triangles, and right triangles.

Here,

2. This is because the circumference and area of a circle are directly proportional to the radius.

3. To determine if triangles ABC and DEF are similar, we need to check if their corresponding angles are congruent and if their corresponding sides are in proportion. From the diagram, we can see that angle A is congruent to angle D, angle B is congruent to angle E, and angle C is congruent to angle F. This satisfies the angle-angle (AA) similarity criterion. Additionally, we can use the side-side-side (SSS) similarity criterion to determine if the corresponding sides are in proportion. From the diagram, we can see that side AB is parallel to side DE, side AC is parallel to side DF, and side BC is parallel to side EF. Therefore, we can conclude that triangles ABC and DEF are similar.

4. To find the coordinates of D using the coordinates of A, we need to determine the translation from A to D. From the diagram, we can see that A is translated two units to the right and three units down to get to D. Therefore, we can find the coordinates of D by adding two to the x-coordinate of A and subtracting three from the y-coordinate of A. If the coordinates of A are (x1, y1), then the coordinates of D would be (x1 + 2, y1 - 3).

A= (-0.87,0.5)

D=(-0.87 + 2, 0.5 - 3)

D=(1.13,-2.5)

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The bank statement  that is shown in the question shows a loss of £285.00 and calculated by subtracting the total expenses (money out) from the total revenue (money in).

Profit or loss is a measure of the financial performance of a business, organization, or individual over a given period of time.

Profit refers to the positive difference between the revenue earned by a business or individual and the expenses incurred during a given period.

A loss occurs when the expenses incurred exceed the revenue earned during a given period.

To calculate the profit or loss, you need to subtract the total expenses (money out) from the total revenue (money in).

In this case, the total revenue is £315.00 + £265.00 + £190.00 = £770.00, and the total expenses are £210.00 + £30.00 + £450.00 + £100.00 = £790.00.

So, the calculation would be:

Total revenue - total expenses = profit/loss

£770.00 - £790.00 = -£20.00

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The resulting double-line graph should show the sales data for desktop and laptop computers over the five days, with a line for each type of computer.

A double-line graph is a graph that displays two sets of data on the same graph, using two lines to show how each set of data changes over time or some other variable.

To create a double-line graph of the sales data for desktop and laptop computers over five days, follow these steps:

Draw a graph with two perpendicular axes, the horizontal axis (x-axis) representing the days, and the vertical axis (y-axis) representing the number of computers sold.

Label the horizontal axis with the days from Day 1 to Day 5.

Label the vertical axis with the heading "Number of Computers Sold".

Plot the data points for desktop computer sales. For Day 1, plot a point at (1, 4), for Day 2 plot a point at (2, 1), for Day 3 plot a point at (3, 2), for Day 4 plot a point at (4, 5), and for Day 5 plot a point at (5, 1).

Connect the data points for desktop computer sales with a line.

Plot the data points for laptop computer sales. For Day 1, plot a point at (1, 5), for Day 2 plot a point at (2, 2), for Day 3 plot a point at (3, 3), for Day 4 plot a point at (4, 7), and for Day 5 plot a point at (5, 3).

Connect the data points for laptop computer sales with a line.

Use a different color or style for the line representing desktop sales and the line representing laptop sales.

Add a legend to the graph to indicate which line corresponds to desktop sales and which corresponds to laptop sales.

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Therefore, Thabo will get R18, Patrick will get R24, and Lucas will get R30.

In mathematics, a ratio is a comparison between two quantities or numbers, indicating how many times one quantity is contained within another. Ratios are often expressed in the form of a fraction, with the first quantity as the numerator and the second quantity as the denominator. Ratios can also be simplified by dividing both the numerator and denominator by their greatest common factor. Ratios are used in many areas of mathematics, science, and everyday life, such as in finance, cooking, and sports. They are particularly useful for comparing two quantities of different units or scales, as they provide a standardized way to express the relationship between them.

Here,

To determine how much each person will get, we first need to find the total of the ratios which is:

3 + 4 + 5 = 12

This means that the total amount of money is divided into 12 equal parts.

To find out how much each person gets, we need to multiply their share of the ratio by the total amount of money:

Thabo's share = 3/12 x R72 = R18

Patrick's share = 4/12 x R72 = R24

Lucas's share = 5/12 x R72 = R30

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Answer:

9.5x + 8 = 65

Step-by-step explanation:

Let x = number of sandwiches.

The cost of x sandwiches is 9.5x.

The delivery fee is $8.

The total cost of an order is the price of the sandwiches, 9.5x plus the delivery fee, 8.

In this case, the total cost is $65.

9.5x + 8 = 65

Answer:

$65

Step-by-step explanation:

X=9.50 because you add the $8 delivery fee to equal 65 in total.

The person must leave the money in the bank for approximately 13.6 years to reach 13300 dollars.

Using the formula A=P(1+r/n)⁽ⁿᵗ⁾, where A is the final amount, P is the principal, r is the annual interest rate, n is the number of times the interest is compounded per year, and t is the time in years, we can solve for t.

We have P = 4500, A = 13300, r = 0.0625, n = 2. Plugging these values into the formula and solving for t, we get t ≈ 13.6 years. Therefore, the person must leave the money in the bank for approximately 13.6 years to reach 13300 dollars.

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Answer:

9.5 decimal

espero y te ayude

The 90% confident sample of size 191 with 23 successes that the true population proportion falls between 0.077 and 0.163 based on the sample data.

To find the 90% confidence interval for a sample proportion, we can use the following formula:

Confidence Interval = sample proportion ± margin of error

where the margin of error is:

Margin of Error = z* (\sqrt{(p*(1-p)/n))}

where z is the z-score corresponding to the level of confidence,

p is the sample proportion, and n is the sample size.

In this case, we have a sample size of n = 191 and 23 successes,

which gives a sample proportion of p = 23/191 ≈ 0.120.

To find the z-score corresponding to a 90% confidence level,

The z-score for a 90% confidence level is approximately 1.645.

Plugging in the values into the formula, we get:

Margin of Error = 1.645 * (\sqrt{(0.120*(1-0.120)/191)}) ≈ 0.043

Therefore, the 90% confidence interval for the population proportion is:

0.120 ± 0.043

which can be expressed as (0.077, 0.163) rounded to three decimal places.

So we are 90% confident that the true population proportion falls between 0.077 and 0.163.

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Answer:

The observer deck of a ship is located at the origin of a coordinate system. Find the bearing of an object located at the point (5, 5).

Step-by-step explanation:

To find the bearing of an object located at the point (5, 5) relative to the observer deck at the origin of a coordinate system, we need to find the angle between the positive x-axis and the line connecting the observer deck to the object.

First, we calculate the slope of the line connecting the observer deck at (0, 0) to the object at (5, 5):

slope = (change in y) / (change in x)

= (5 - 0) / (5 - 0)

= 1

Next, we use the inverse tangent function to find the angle whose tangent is equal to the slope:

angle = arctan(slope)

= arctan(1)

= 45°

Therefore, the bearing of the object located at (5, 5) relative to the observer deck at the origin is 45 degrees.

Answer:

45° north of east

Step-by-step explanation:

tan⁻¹(y/x) = tan⁻¹(5/5) = tan⁻¹(1) = 45°

The option a. S-(red,red), (red,black), (black,red), (black,black) is the most appropriate sample space S for the possible outcomes of selecting two cards from a deck of 52 cards

The most appropriate sample space S for the possible outcomes of selecting two cards from a deck of 52 cards and observing the color of each (26 cards in the deck are red and 26 are black) is given by option a. S-(red,red), (red,black), (black,red), (black,black).

Sample space S in probability theory denotes the set of all possible outcomes of an experiment.

In other words, the sample space S represents all possible outcomes of an experiment under consideration. For instance, in the current scenario,

These four possible outcomes are independent and equally likely events, and the sample space S for the possible outcomes is given by option a. S-(red,red), (red,black), (black,red), (black,black).

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Answer:

0% (0/40)

Step-by-step explanation:

I feel like this is a trick question. since chicken is not indicated on the graph, I believe chicken is nobodies favorite food

Sara’s hair was 25 inches long. Three years later it was 43 inches long. The percentage increase rounded to the nearest hundredth will be 72.

Percentage:

In mathematics, a percentage is a number or ratio that can be expressed as a fraction of 100. If we need to calculate the percentage of a number, we divide the number by the whole number and multiply by 100. So , percent means one hundredth and the word percent means every 100th. It is represented by the symbol "%".

Calculate the percentage of a total value:

Since percent implies 100, we will split the total portion into 100 parts and then multiply it by b to gather b things per 100 items.

The percentage increase is found as:

   [tex]% increase = \frac{change in value}{original value}[/tex][tex]%increase = \frac{change in value}{original value}[/tex][tex]%[/tex]% increase = Change in value/ Original value

⇒ % increase = [tex]\frac{13-25}{25} * 100[/tex]

⇒ % increase = 72

Hence, the percent increase rounded to the nearest hundredth will be 72.

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The system has infinitely many solutions, which can be written as (x, y, z) = (1 - 60s, -10 + 600s, s) where s is a parameter.

To solve the system of equations:

1x + 0y + 60z = 1

1x + 10y + 0z = 0

0x + 0y + 0z = 0

The third equation is an identity, implying that it does not give us any new information. The first two equations can be used to solve for x, y, and z:

From the first equation, we get x = 1 - 60z

From the second equation, we get y = 0 - 10x = -10(1 - 60z) = -10 + 600z

Therefore, the solution to the system can be written as a point in terms of z as:

(x, y, z) = (1 - 60z, -10 + 600z, z)

Since z can take on any value, there are infinitely many solutions to the system, which can be parameterized as:

(x, y, z) = (1 - 60s, -10 + 600s, s) where s is a parameter.

he system has infinitely many solutions, which can be written as (x, y, z) = (1 - 60s, -10 + 600s, s) where s is a parameter.

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The contrapositive of the given statement is "If it is not a cat, then it is a lion."

The contrapositive of the statement "If it is not a lion, then it is a cat" can be obtained by negating the original statement and switching the positions of the antecedent (the "if" part) and the consequent (the "then" part).

The contrapositive takes the form:

"If it is not a cat, then it is a lion."

So, the contrapositive of the given statement is "If it is not a cat, then it is a lion."

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To find:-

Answer:-

To find out the equation of the line , we need to find out the slope first. It can be calculated as ,

[tex]\implies m =\dfrac{\Delta y}{\Delta x }=\dfrac{y_2-y_1}{x_2-x_1} \\[/tex]

And here ,

On substituting the respective values, we have;

[tex]\implies m =\dfrac{25-20}{8-3} \\[/tex]

[tex]\implies m=\dfrac{5}{5}\\[/tex]

[tex]\implies m=\boxed{1} \\[/tex]

Hence the slope of the line is 1 . Now we may use point slope form of the line to find out the equation of the line. Point slope form of the line is,

[tex]\implies y - y_1 = m(x-x_1) \\[/tex]

Take any of the given two points. Here i am taking (3,20) . So here we have;

On substituting the respective values, we have;

[tex]\implies y - 20 = 1(x - 3) \\[/tex]

[tex]\implies y -20 = x - 3 \\[/tex]

[tex]\implies x - 3 - y +20 = 0 \\[/tex]

[tex]\implies \underline{\underline{\green{ x - y +17=0}}}\\[/tex]

Hence the equation of the line in standard form is x - y + 17 = 0 .

and we are done!

If the parametric equations for x and y are both non-constant linear functions of t, then curve must be a line.

A curve (sometimes known as a curved line in ancient texts) is a mathematical entity that is similar to a line but does not have to be straight.

A curve may be conceived of intuitively as the trace left by a moving point. "The [curved] line[a] is [...] the first species of quantity, which has only one dimension, namely length, without any width nor depth, and is nothing else than the flow or run of the point which [...] will leave from its imaginary moving some vestige in length, exempt of any width," Euclid wrote more than 2000 years ago.

Let x = at+b and y = ct+d

Then,

[tex]\frac{x-b}{a}=\frac{y-d}{c}=t xc-bc=ay-adxc-ay+ad-bc=0[/tex]

Which is linear equation in x and y.

Therefore, curve is always a line.

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Answer:

Step-by-step explanation:

Kind of like rema from the song calm down calm down!!

you an find it on youtub

95 Gigabytes 1/3 Every 10 seconds, files are transmitted that are 10 times larger than the transfer rate as a whole. 2 / 3 The graph's slope is 5, according to the slope-intercept version of the equation for S. The unit rate is 5 gigabytes per second, according to this.

We are given the equation:- S(t)= 5t+45

calculate the value of S in 10s, 20s, 30s, ....... and difference in them.

for t= 10:-

S= 5(10)+45= 50+45= 95

for t= 20:-

S= 5(20)+45= 100+45=145

for t= 30:-

S= 5(30)+45= 150+45= 195

The difference:-

195-145= 50 and 145-95= 50

Hence, the file size is 50 MB per 10 seconds or 5 MB per second.

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Answer:

x=15°,  ∠A=75°,  ∠B=60°,  ∠C=45°

Step-by-step explanation:

As we know that sum of the angle of a triangle is 180°

Therefore ∠A+∠B+∠C=180°

                5x+4x+3x=180°     {  ∵ ∠A=5x   ∠B=4x ∠C=3x   }

              ⇒   12x=180°

              ⇒      x=15°

Hence ∠A=5x=5×15°=75°

           ∠B=4x=4×15°=60°

and      ∠C=3x=3×15°=45°

to verify your answer 75°+60°+45°=180°