Approximately what percent of the values in a distribution lie between the 25th percentile and the 75th percentile? A. 75%. B. 25%. C. 50%.
D. 60%.

Answer:

The 1st option

Step-by-step explanation:

Piper's orange probability is 4/20 and Kai's pink probability is 4/20, which makes option 1 correct

to find the probability use the equation below:

(the number of favorable outcomes)/(the total number of outcomes).

outcome/total

The value of angle BAC is 60°

A pyramid is a three-dimensional shape. A pyramid has a polygonal base and flat triangular faces, which join at a common point called the apex. A pyramid is formed by connecting the bases to an apex. Each edge of the base is connected to the apex, and forms the triangular face, called the lateral face.

Since the base of the pyramid is equal, the lateral lines joining the apex have equal length which will form equal triangle at both sides.

This means that if triangle BCD is equilateral, then, triangle ABC is also equilateral.

Therefore angle BAC = 180/3 = 60°

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If you  deposit $5,000 in a savings account and will earn 6. 5% simple interest over the first 10 years, then will earn $3,250 in interest over the 10-year period

Simple interest is a type of interest that is calculated only on the principal amount of an investment, and not on any interest that has been earned previously. It is typically expressed as a percentage of the principal amount and is applied over a fixed period of time.

To calculate the interest earned on the account over the 10-year period, we can use the formula for simple interest:

Interest = Principal x Rate x Time

Here, the principal is $5,000, the interest rate is 6.5%, and the time is 10 years.

Plugging in the values, we get:

Interest = $5,000 x 0.065 x 10

Interest = $3,250

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The given question is incomplete, the complete question is:

Big Money Bank has an offer for new customers: if you deposit $5,000 in a savings account, you will earn 6.5% simple interest over the first 10 years. How much interest will the account earn over this period?

Option a) Never. A correlation coefficient based on an observational study cannot be used to support a claim of cause and effect, regardless of its value or the characteristics of the scatterplot.

Correlation does not imply causation, which means that even if two variables are strongly correlated, it does not necessarily mean that one causes the other. There may be other variables or factors that are responsible for the observed correlation, and a causal relationship cannot be established from observational data alone. To establish causality, experimental studies are typically needed, where the potential cause is manipulated and the effect is measured.

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Answer:

It is called a solution.

Answer: There are infinitely many fractions that are greater than 3/4. Any fraction whose numerator is greater than three and whose denominator is greater than four will be greater than 3/4. Here are a few examples:

4/5 is greater than 3/4

5/6 is greater than 3/4

6/8 (which simplifies to 3/4) is not greater than 3/4, but any fraction greater than 6/8 will be greater than 3/4. For example, 7/8, 8/9, 9/10, and so on.

In general, to determine whether a fraction is greater than 3/4, you can compare its numerator and denominator. If the numerator is greater than the denominator times 3/4 (which is the same as multiplying the denominator by 3/4 and comparing it to the numerator), then the fraction is greater than 3/4.

Step-by-step explanation:

There are 25 boys in the class out of a total of 40 students. The fraction of students who are boys is 5/8 and the fraction of students who are girls is 3/8.

Let's start by using the information given in the problem to determine the fraction of students who are girls in the class:

Fraction of students who are girls = 1 - Fraction of students who are boys

Fraction of students who are girls = 1 - 5/8

Fraction of students who are girls = 3/8

Now we can use the fraction of girls to find the number of boys and girls in the class:

Let the total number of students in the class be x.

Number of boys = 5/8 * x

Number of girls = 3/8 * x

We know that there are 15 girls in the class, so we can set up an equation:

3/8 * x = 15

Solving for x:

x = 15 * 8/3

x = 40

So there are 40 students in the class. Now we can find the number of boys:

Number of boys = 5/8 * x

Number of boys = 5/8 * 40

Number of boys = 25

Therefore, there are 25 boys in the class.

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To find all real solutions of the equation 8x²3 - 27x²2 - 50x + 75 = 0, we can factor it by grouping

How to do that?

8x²3 - 27x²2 - 50x + 75 = 0

=> (8x²3 - 50x) - (27x²2 - 75) = 0

=> 2x(4x²2 - 25) - 3(9x²2 - 25) = 0

=> (2x - 3)(4x²2 - 9x + 15) = 0

Using the quadratic formula to solve the quadratic factor, we get:

4x²2 - 9x + 15 = 0

=> x = [9 ± sqrt(81 - 4(4)(15))] / (2(4))

=> x = [9 ± sqrt(-191)] / 8

Since the discriminant of the quadratic factor is negative, it has no real roots, and therefore, the only real solution of the equation is:

x = (2x - 3) = 0

=> x = 3/2

Therefore, the only real solution of the equation 8x²3 - 27x²2 - 50x + 75 = 0 is x = 3/2.

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The required converting value into kilograms of the given 116 pounds is equal to 52.62 kilograms ( round up to two decimals ) .

Converting factor used to convert pounds to kilograms is equal  to:

1 pound = 0.453592 kilograms

Now to get the value of 116 pounds we have,

116 pounds = 116 × converting factor

Substitute the value of converting factor we have,

⇒ 116 pounds = 116 × 0.453592 kilograms

⇒ 116 pounds = 52.6167 kilograms

⇒ 116 pounds = 52.62 kilograms ( round up to two decimals )

Therefore, the converted values of the required 116 pounds is equal to 52.62 kilograms ( round up to two decimals ) .

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Based on the information provided, the greatest weight of a baby walrus in ounces is 2560 ounces.

According to the information provided, the weight of a baby walrus is between 100 and 160 pounds, which means 160 is the maximum weight for these animals.

Now, let's convert the pounds to ounces to know the maximum weight in ounces. For this, let´s consider that 1 pound = 16 ounces.

160 x 16 = 2560 ounces

Based on this, it can be concluded that the maximum weight is 2560 ounces.

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The scale factor produced in Figure 2 from Figure 1 is 3 over 7.

The scale factor defines a variable in a ratio of two different measurements.

Sometimes drawings of large models are represented in a scale factor of a smaller unit.

A triangle is a three-sided closed-plane figure formed by joining three noncolinear points.

Given, Two right triangles Δ₁ and Δ₂, where the legs of Δ₂ is 7 units long and the legs of  Δ₁ is 3 units long.

Therefore, The scale factor produces in Figure 2 from Figure 1 is Δ₂/Δ₁,

= 3/7.

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By using the long division method, the result of 19 divided by 20 is 0.95

Long division is a method of dividing two numbers using a step-by-step process of repeatedly dividing the dividend (the number being divided) by the divisor (the number you are dividing by), writing down the results of each step, and subtracting the remainder from the next dividend.

Here, 19 divided by 20

The picture shows the division process

To divide 19 by 20 using long division, you start by dividing 20 into the first digit of 19, which is 1. The result is 0 with a remainder of 1.

Then bring down the next digit, which is 9, and place it next to the remainder to make 19. You then divide 20 into 19, which gives you 0 with a remainder of 19.

Therefore, 19 divided by 20 is 0.95

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The volume of a right circular cone is given by the formula V = (1/3)*pi*r²*h, where r is the radius, h is the height, and pi is the constant 3.14. When the radius is multiplied by a factor of x, the volume will be multiplied by a factor of x².

Therefore, when the radius is multiplied by a factor of x. The volume changes by x².

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Answer:

20:00 is 8:00 pm

Step-by-step explanation:

an easy way to remember is subtract 2 from the military timing and the number in the ones value is the time.

Ex.

14:00

14 - 2= 12

So it’s 2: 00 pm

20- 2= 18

So it’s 8:00 pm

Answer:A

Step-by-step explanation:

they are alternate exterior angles so, x+y=180

The decimal equivalent of 0xc9 is 201.

Hexadecimal is a number system with a base of 16, in which we use 16 distinct symbols to represent numbers. The symbols used in hexadecimal are the digits from 0 to 9 and the letters from A to F.  

Hexadecimal notations are commonly used in computer programming and digital electronics because they can represent binary data more compactly than binary notation.

Here we have

0xc9  

By converting each symbol as a number we can calculate as follows

Here 0x represents hexadecimal

And the value of c is 12    

0xc9 =  (12 × 16¹) +  (9 × 16⁰)

= 192 + 9 = 201  

Therefore,  

The decimal equivalent of 0xc9 is 201.

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Answer:

238000

Step-by-step explanation:

hope I did this right!!

Answer:

The total profit the company would make over the course of its first 14 years of operation is approximately $2,562,841.

Step-by-step explanation:

The profit of the company increased at a constant 20% per year. We can use the formula for the future value of an investment to calculate the profit for each year, where:

FV = PV x (1 + r)^n

FV is the future value of the investment

PV is the present value of the investment

r is the annual interest rate

n is the number of years

Using this formula, we can find the profit for each year:

Year 1: $140,000

Year 2: $168,000

Year 3: $201,600

Year 4: $241,920

Year 5: $290,304

Year 6: $348,364

Year 7: $418,037

Year 8: $501,644

Year 9: $601,972

Year 10: $722,367

Year 11: $866,840

Year 12: $1,040,208

Year 13: $1,248,250

Year 14: $1,497,900

To find the total profit over the course of the first 14 years, we can simply add up the profits for each year:

Total profit = $140,000 + $168,000 + $201,600 + $241,920 + $290,304 + $348,364 + $418,037 + $501,644 + $601,972 + $722,367 + $866,840 + $1,040,208 + $1,248,250 + $1,497,900

Total profit = $2,562,841 (rounded to the nearest whole number)

With the stated cooling rate of k = 0.012, it follows that the puddle of water would ice in the arctic cold front in roughly 97.8 minutes

The oscillation of a substance's components is measured by its temperature. When something is hot, it indicates that its components move relatively quickly on average. Despite having a high temperature, a substance's heat capacity is very low because it has a small number of light elements.

We can use the Newton's law of cooling formula to solve this problem.

[tex]T = R + ( To - R ) \times e ^{(-kt )}[/tex]

Let's assume that the initial temperature of the water is 55°F and the temperature of the surroundings is 5°F (due to the arctic cold front).

We are looking for the time it takes for the water to cool down to 32°F (the freezing point of water).

Therefore, we have:

T = 32°F

T0 = 55°F

R = 5°F

k = 0.012

Substituting these values into the formula, we get:

[tex]32 = 5 + (55 - 5) \times e^{(-0.012t)}[/tex]

Simplifying the equation, we get:

[tex]27 = 50 \times e^{(-0.012t)}[/tex]

Dividing both sides by 50, we get:

[tex]0.54 = e^{(-0.012t)}[/tex]

Taking the natural logarithm of both sides, we get:

ln(0.54) = -0.012t

Solving for t, we get:

t = ln(0.54) / (-0.012)

t ≈ 97.8 minutes

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The value of x to one decimal place in the given question is 30.33 and 14.76.

Trigonometric identities are the functions that include trigonometric functions such as sine, cosine, tangents, secant, and, cot. Trigonometric ratio can be defined in terms of ratios of perpendicular, bases and hypotenuse. These are defined only in right angled triangles (triangles whose one angle is of 90 degree measure).

We are given that;

In triangle 1

Hypotenuse= x

Perpendicular=27

Angle between base and hypotenuse= 63

In triangle 2

Hypotenuse= 18

Base= x

Angle between hypotenuse and base=35

Now in triangle 1

sin63= 27/x

0.89=27/x

x=27/0.89

x=30.33

In triangle 2

cos35=x/18

0.82=x/18

x=14.76

Therefore by trigonometric identities the answer will be 30.33 and 14.76.

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Part A: The numerator in the first fraction is closest to 8, so the fraction is nearest to 1.

To see this, we can simplify the fraction 8/10 by dividing both the numerator and denominator by the greatest common factor, which is 2. This gives us:

8/10 = 4/5

Since the numerator of the simplified fraction is closest to 5, we can estimate that the value of the first fraction is nearest to 1.

Part B: The numerator in the second fraction is closest to 2, so the fraction is nearest to 1/3.

To see this, we can simplify the fraction 2/6 by dividing both the numerator and denominator by the greatest common factor, which is 2. This gives us:

2/6 = 1/3

Since the numerator of the simplified fraction is closest to 1, we can estimate that the value of the second fraction is nearest to 1/3.

Part C: The value of the expression can be estimated as 1 + 1/3 = 1 1/3.

To see this, we can add the two estimated fractions from parts A and B:

1 + 1/3 = 3/3 + 1/3 = 4/3

Since 4/3 is closer to 1 1/3 than any other whole number or fraction, we can estimate that the value of the expression is nearest to 1 1/3.

1000 hours in day can be converted in to by a formula dividing the the 1000 hours by 24 is 41.66 days.

Unit conversion is the process of converting the measurement of a given amount between various units, often by multiplicative conversion factors that alter the value of the measured quantity without altering its effects.

As 1 Hour is equal to 0.0416666666667 Days, you must multiply 1000 by 0.041666666666667 to convert hours to days. The outcome is as follows:

1000 hr × 0.041666666666667 = 41.667 d

1000 hr = 41.667 d

We come to the conclusion that one thousand thousand hours is equal to 41.7667 days:

41.667 days are equivalent to 1000 hours.

Hence, using the conversion method above, you can figure out how many days there are in 1000 hours.

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Answer:

14 small floral arrangements

Explanation:

First you subtract 4 from 144

144 - 4 = 140

Second you multiply the cost of a small floral arrangement and how many you have boughten.

7 x 10 = 70

You subtract the cost of 10 medium floral arrangements and how many you have boughten.

140 - 70 = 70

Finally, you divide the cost of the small floral arrangements by the remaining money.

70 / 5 = 14

Answer:

23

Step-by-step explanation:

If 25% of Paul's cookies are chocolate chip, then 75% of his cookies are not chocolate chip. Let's call the total number of cookies Paul has "x".

So, 25% of x is equal to 6:

0.25x = 6

To solve for x, we can divide both sides by 0.25:

x = 24

So Paul has 24 cookies altogether.

The probability that Ron gets his first hit-by-pitch of the playoffs in his first 15 plate appearances is 52.34%

A probability is a number that reflects the chance or likelihood that a particular event will occur. Probabilities can be expressed as proportions that range from 0 to 1, and they can also be expressed as percentages ranging from 0% to 100%.

Given that, in a recent baseball season, Ron was hit by pitches 22 times in 615 plate appearances during the regular season.

We need to find the probability that Ron gets his first hit-by-pitch of the playoffs in his first 15 plate appearances.

The random variable X= number of times Ron is hits by pitches in 22 plate appearances  follows, a binomial distribution.

P(X=x) = n! / (x!(n-x)!)pˣ(1-p)ˣ

where,

n = plate appearances = 22

p = probability of being hit by pitches = 15 / 615 = 3 / 123 = 1/41

x = number of successes = 1

Substitute the values :-

P(X=1) = 22! / (22-1)! × (1/41)(40/41)

= 0.5234

= 52.34%

Hence, the probability that Ron gets his first hit-by-pitch of the playoffs in his first 15 plate appearances is 52.34%

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Answer:

z ÷ 2 = ≥ -6

Step-by-step explanation:

The expression to represent this problem is:

z ÷ 2 = ≥ -6

There are 5 more servings of Uma's cereal than of Cam's cereal.

From the question, we have the following parameters that can be used in our computation:

y = -1.25x + 15

For Uma;s box, we have

Initial = 12.75

Rate = 0.75

This means that

y = -0.75x + 12.75

Set y = 0 and solve for x

y = -1.25x + 15 = 0

1.25x = 15

x = 12

y = -0.75x + 12.75 = 0

0.75x = 12.75

x = 17

By comparison, we have

17 - 12 = 5

Hence, there are 5 more servings of Uma's cereal than of Cam's cereal.

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Answer:

Common Ratio = 5

Step-by-step explanation:

See picture below :)

The sequence with a first term of 10 and a common difference of 4 is the one in the first option.

f(1) = 10

f(n) = f(n - 1) + 4

For a general arithmetic sequence we define the first term and recursive formula as:

f(1) = a   (this is the first term)

f(n) = f(n - 1) + d  (d is the common difference)

So, a first term of 10 and a common difference of 4 would be written as:

f(1) = 10

f(n) = f(n - 1) + 4

Then the correct option is the first one.

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