answer the question for 10 points

Answer:

the third one

Step-by-step explanation:

area of a circle vs. it's diameter

The number that is divisible by both 2 and 4 is option c. 2,836.

To determine which number is divisible by both 2 and 4, we need to identify the number that is divisible by the prime factorization of both 2 and 4.

To be divisible by 2, a number must be even, meaning it should end with 0, 2, 4, 6, or 8. Looking at the given options, we can eliminate options a. 1,022 and d. 2,918 because they end with 2 and 8 respectively.

To be divisible by 4, a number must be divisible by 2 twice. In other words, the last two digits of the number should form a multiple of 4. Examining the remaining options b. 1,974 and c. 2,836, we find that only option c. 2,836 satisfies this condition. The last two digits of 2,836, 36, form a multiple of 4 (9 times 4 is 36).

Therefore, the number 2,836 is divisible by both 2 and 4, hence the correct answer is: c.2,836

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The other x-intercept of the given ellipse cannot be determined with the information provided. The equation of the ellipse depends on the lengths of the semi-major and semi-minor axes, which are not specified. Therefore, there are multiple ellipses that can satisfy the given conditions, resulting in different values for the other x-intercept.

To find the x-intercepts of the ellipse, we need to determine the equation of the ellipse first. The standard form equation of an ellipse with foci at  (h, k ± c) and x-intercepts (h ± a, k) is given by:

((x - h)² / a²) + ((y - k)² / b²) = 1

Where (h, k) represents the center of the ellipse, a is the semi-major axis length, b is the semi-minor axis length, and c represents the distance from the center to each focus.

In this case, the center of the ellipse is at (h, k) = (1.5, 1), and the distance between the center and each focus is given by c = 2.

Substituting these values into the equation, we have:

((x - 1.5)² / a²) + ((y - 1)² / b²) = 1

Now, since one of the x-intercepts is at the origin (0, 0), we can substitute these values into the equation to solve for a and b:

((0 - 1.5)² / a²) + ((0 - 1)² / b²) = 1

(2.25 / a²) + (1 / b²) = 1

Simplifying this equation, we get:

2.25 / a² + 1 / b² = 1

Now, we need to find the other x-intercept, which means finding the value of x when y is 0. Substituting y = 0 into the equation, we have:

((x - 1.5)² / a²) + ((0 - 1)² / b²) = 1

(x - 1.5)² / a² + 1 / b² = 1

Since one of the x-intercepts is at the origin, we know that x = 0 satisfies this equation:

(-1.5)² / a² + 1 / b² = 1

2.25 / a² + 1 / b² = 1

Now we have two equations:

2.25 / a² + 1 / b² = 1  (Equation 1)

2.25 / a² + 1 / b² = 1 (Equation 2)

Both equations are the same, so we can combine them:

2.25 / a² + 1 / b² = 1

Since both equations are identical, there are infinite solutions for a and b that satisfy this equation. Therefore, there is no unique value for the other x-intercept of the ellipse.

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The complete question is :

An ellipse has foci at (0,2) and (3,0). The ellipse has two x-intercepts, one of which is the origin. What is the other x-intercept?

Answer:

Number of pendant made = 10

Step-by-step explanation:

Given:

Sides of triangle = 2 in , 2 in , 1.5 in

Total wire = 5 ft = 5 × 12 = 60 in

Find:

Number of pendant made.

Computation:

Perimeter of 1 pendant = 2 in + 2 in + 1.5 in

Perimeter of 1 pendant = 5.5 in

Number of pendant made = Total wire / Perimeter of 1 pendant

Number of pendant made = 60 / 5.5

Number of pendant made = 10.90

Number of pendant made = 10 and 1 pendant incomplete

68.26% of students out of 500 would score between 68 and 82  if the mean is 75 and standard deviation is 7.

A low standard deviation suggests that values are often close to the mean (also known as the anticipated value) of the collection, whereas a large standard deviation suggests that values are dispersed over a wider range.

Standard deviation, often known as SD, is most frequently represented in mathematical texts and equations by the lower case Greek letter (sigma), for the population standard deviation, or the Latin letter s, for the sample standard deviation.

Given,

Mean μ=75

σ=7

By using normal distribution,

P(68<x<82)=P(((68-μ)/σ)<z<((82-75)/7))

P(-1<z<1)

P(z<1)-P(z< -1)

By using z-table, we get

=0.8413-0.1587

=0.6826

P(68<x<82)=0.6826≈68.26

P(68<x<82)=68.26%

Therefore, 68.26% of students out of 500 would score between 68 and 82 if the mean is 75 and standard deviation is 7.

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Answer:

C ≈ 26.7

Step-by-step explanation:

The given equation to solve is F = \(\frac{9}{5}\)C + 32.

F is given the value of 80.

So, the equation to solve is 80 = \(\frac{9}{5}\\\)C + 32.

\(\frac{9}{5}\)C + 32 = 80     First, isolate the variable C by subtracting 32 from both sides.

\(\frac{9}{5}\)C = 48              Next, show C in its true form by multiplying both sides by  the reciprocal of \(\frac{9}{5}\).

\(\frac{5}{9}\)(\(\frac{9}{5}\)C) = \(\frac{5}{9}\)(48)

C = 26.666→∞

Rounding to the nearest tenth, the value of C is 26.7 °C.

The answer you are looking for is

Solution/Explanation:

Writing out the formula for converting Fahrenheit and Celsius first

F=9/5C+32

Substituting the given value of the "F" or "Fahrenheit" variable, 80,

80=9/5C+32

Subtracting 32 from both sides

80-32=9/5C+32-32

Since 32-32=0, this cancels out.

80-32=9/5C+0

80-32=9/5C

Simplifying 80-32, which is 48

48=9/5C

Multiplying both sides by 5

(48)(5)=(9/5C)(5)

Simplifying both sides of the equation

240=9C

Finally, dividing both sides of the equation by 9

240/9=9C/9

240/9=26.6667

9C/9=C

You will get 26.6667=C, or C=26.6667.

You can round 26.6667 to the nearest tenth as approximately 26.7.

So, therefore, the final answer to this problem is C≈26.7°C.

Hope this helped answer your question for you. Good day to you.

Answer:

3. {-2, 3/2}

Step-by-step explanation:

\(\mathrm{Solve\;with\;the\;quadratic\;formula}\)

\(x_{1,\:2}=\frac{-1\pm \sqrt{1^2-4\cdot \:2\left(-6\right)}}{2\cdot \:2}\)

\(\sqrt{a^1-4*2(-6)=7}\)

\(x_{1,\:2}=\frac{-1\pm \:7}{2\cdot \:2}\)

\(\mathrm{Separate\:the\:solutions}\)

\(x_1=\frac{-1+7}{2\cdot \:2},\:x_2=\frac{-1-7}{2\cdot \:2}\)

\(x=\frac{-1+7}{2*2}:\frac{3}{2}\)

\(x=\frac{-1+7}{2*2}:-2\)

\(\mathrm{The\:solutions\:to\:the\:quadratic\:equation\:are:}\)

\(x=\frac{3}{2},\:x=-2\)

~Learn with Lenvy~

Answer:

Step-by-step explanation:

answer- {-2, 3/2}

steps are in the image.

Answer:

the domain of the function is all real numbers less than or equal to 0

The scale factor used in the dilation is 3

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

Image = 9

Pre-image = 3

The scale factor is calculated as

Scale factor  = Image/Pre-Image

Substitute the known values in the above equation, so, we have the following representation

Scale factor  = 9/3

Evaluate

Scale factor  = 3

Hence, the scale factor is 3

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Answer:

Happy Tuesday! Here i'll explain it:

Step-by-step explanation:

First you will have to make 2 2/5 into a improper fraction and then subtract the 5/6. after you have done that multiply the 3/4 to the number

The number of heavy equipment operators employed=16

The number of laborers employed=14

Assume

x=number of heavy equipment operators employed

30-x=number of laborers employed

From the question, we have

135x+97(30-x)=3518

135x+2910-97x=3518

38x=608

x=16

number of heavy equipment operators employed=16

number of laborers employed=14

Multiplication:

Finding the product of two or more numbers in mathematics is done by multiplying the numbers. It is one of the fundamental operations in mathematics that we perform on a daily basis. Multiplication tables are the main use that is obvious. In mathematics, the repeated addition of one number in relation to another is represented by the multiplication of two numbers. These figures can be fractions, integers, whole numbers, natural numbers, etc. When m is multiplied by n, either m is added to itself 'n' times or the other way around.

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Answer:

The number of heavy equipment operators employed=16

The number of laborers employed=14

Assume

x=number of heavy equipment operators employed

30-x=number of laborers employed

From the question, we have

135x+97(30-x)=3518

135x+2910-97x=3518

38x=608

x=16

Step-by-step explanation:

Python formats all floating point numbers to two decimal places when outputting using the print statement. (FALSE)

The if statement causes one or more statements to execute only when a Boolean expression is true. ( TRUE)

Floating point  is a number format that can be used to represent a large or small value.

In writing this number is done by writing it in exponential form, so that the number has a base number, the exponential number and the base number.

The following is writing scientific notation in floating point. example in decimal numbers

261,000,000,000 written 2.61 x 10¹¹

0.000000000261 is written 2.61 x 10^-10

The Floating point representation itself has two parts, namely the mantissa part and the exponent part. The mantissa determines the digits, while the exponent determines the value of how many powers the mantissa is, as follows:

±S * B±E

S = Significant also called mantissa

E = Exponent

B  = Base

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An

espera y termino y te ayudo vale que me falta poco

The gas station serves 16 vehicles per hour, and 72 vehicles arrive in 4 hours. The vehicles will spend 4.50 hours at the gas station.



To find the total time the vehicles will spend at the gas station, we need to calculate the total number of vehicles that arrive and then divide it by the rate at which the gas station serves vehicles.

Given:

Arrival rate: 18 vehicles per hour

Service rate: 16 vehicles per hour

Time: 4 hours

First, let's calculate the total number of vehicles that arrive during the 4-hour period:

Total number of vehicles = Arrival rate * Time

                      = 18 vehicles/hour * 4 hours

                      = 72 vehicles

Since the gas station can serve 16 vehicles per hour, we can determine the time it takes to serve all the vehicles:

Time to serve all vehicles = Total number of vehicles / Service rate

                         = 72 vehicles / 16 vehicles/hour

                         = 4.5 hours

Therefore, the vehicles will spend 4.5 hours at the gas station. Rounded to 2 decimal places, the answer is 4.50 hours.

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Answer:

(D).

Step-by-step explanation:

3( x - 5) < 5x + 7

3x - 15 < 5x + 7

- 15 - 7 < 5x - 3x

- 22 < 2x

- 11 < x or x > - 11 ⇒ x ∈ ( - 11 , ∞ )

Graph D shows the solution of given inequality.

The 21 square root of 98 divided by 7 square root of 21 = 21√98 / 7√21 = 6.4807407

A square root of a number x is a number y such that y2 = x; in other words, a number y who's square and the result of multiplying the number by itself, or y ⋅ y, is x.

Every nonnegative real number x has a unique nonnegative square root, called the principal square root, which is denoted by √where the symbol √ is called the radical sign.

Every positive number x has two square roots: √ which is positive, and -√ which is negative. The two roots can be written more concisely using the ± although the principal square root of a positive number is only one of its two square roots, the designation "the square root" is often used to refer to the principal square root.

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The inverse of (- 2 . 3 ) is (1 / - 2.3 ).

In mathematics, the inverse of a number refers to the concept of taking its reciprocal; for instance (2 . w ) results in its reciprocal as ( 1/ 2. w ). When a number is multiplied by its inverse the result yields 1, meaning that the product of the number and its inverse, i.e. reciprocal always equals 1.

As per the given number which is (-2.3) and its inverse is ( 1 / -2.3 ), when these two numbers are multiplied together they result in 1. Such as:

(-2.3) x ( 1 / -2.3 ) = 1

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a) The net of a pyramid is a flattened view of each face and the base along with its dimensions.

Therefore, a net of a  pyramid with a base of 6 in and slant edges of 4 in is drawn.

( find the attachment figure below)

b)Surafe area of Pyramid = 55.68 sq in

The surface area of a pyramid is the sum of the surface area of the base and 4 triangles

Surafe area of Pyramid = Surface area of Square base + 4(Surface area of Triangle)

i) Surface area of Square base= 4(side) = 4*6 = 24 sq in

ii) Surface area of Triangle =  \(\sqrt{s (s-a) (s - b) (s - c)\)

here s = (a + b + c)/2

here a= 4 b= 6 c= 4

=> s = (4 + 6 + 4)/2 = 14/2 = 7

The surface area of the Triangle =  \(\sqrt{s (s-a) (s - b) (s - c)\)

= \(\sqrt{7 (7-4) (7 - 6) (7- 4)\)

= \(\sqrt{7 (3) (1) (3)\)

=\(\sqrt{63}\)

=\(3\sqrt{7}\)

=3(2.64)

=7.92 sq in

Surafe area of Pyramid = Surface area of Square base + 4(Surface area of Triangle)

Surafe area of Pyramid = 24+4(7.92) = 24+31.68 = 55.68 sq in

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Josh will pay a loan origination fee of $2,100 if the lender charges a fee of 0.75%.

To calculate the loan origination fee, we need to multiply the loan amount by the lender's fee percentage.

Loan origination fee = Loan amount x Lender's fee percentage

In this case, the loan amount is $280,000 and the lender's fee percentage is 0.75%.

Loan origination fee = $280,000 x 0.0075

Loan origination fee = $2,100

Therefore, Josh will have to pay a loan origination fee of $2,100.

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Step-by-step explanation:

223.81 is the answer to your question

This phenomenon is due to Weber's law, which states that the just noticeable difference (JND) between two stimuli is a constant proportion of the initial stimulus.

This phenomenon can be explained by Weber's law. According to Weber's law, the just noticeable difference (JND) between two stimuli is not a fixed amount but rather a constant proportion  of the initial stimulus. In other words, the ability to perceive a difference between two stimuli depends on the magnitude of the stimuli and the ratio of their difference to the initial stimulus.

In the given scenario, if a person can notice the difference between 10 pounds and 11 pounds, it means that they can perceive a 10% difference in weight. However, when it comes to 100 pounds and 101 pounds, the difference is also 1 pound, but it represents only a 1% difference in weight. According to Weber's law, the JND for weight perception is relatively constant, and the ability to discriminate between two weights depends on the ratio of their difference to the initial weight. Therefore, the person would not be able to detect the 1% difference between 100 pounds and 101 pounds because it falls below their threshold for discrimination.

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Answer:

4 movies because ďòê ánş vianna sausage says so i dont know im barely passing math myself

Answer:

−2 is a member of the domain of f.

f(0) > 0

Step-by-step explanation:

Statement 1 is TRUE. Domain value includes set of values of x of the function. -2 is plotted on the x-axis on the graph. Therefore, it is a member of domain of f.

Statement 2 is incorrect. Range includes all possible y-values of the function. On the graph, no y-value plotted is -2. Therefore, -2 is NOT a member of the range of f.

Statement 3 is TRUE.

f(0) is approximately 2.2 on the graph. i.e. at x = 0, y ≈ 2.2.

Therefore, f(0) > 0.

Statement 4 is INCORRECT.

f(2) = 1, that is at x = 2, y = 1 as seen in the graph. Therefore, f(2) is not greater than 2.

Answer:

The independent variable is the variable that is manipulated or changed during an experiment. In this case, the independent variable is represented by the x-values of the given points.

So, the answer would be option A: {-2, 3, 1, 5}

Step-by-step explanation:

brainliest Plsssss

The correct option that tests the given claim on statistics is; D. False. In statistics, results are not reported with 100% certainty. Because statistical studies draw on samples, and because there is variation within groups, results cannot be reported with 100 % certainty.

Statistical research is defined as the rigorous development of improved or new statistical methods grounded in probability and statistical theory.

Statistical data analysis is basically a procedure that is used to perform various statistical operations.

Now, from the question, the claim is that In statistics, results are always reported with 100 % certainty.

Now, this claim needs to be examined because there is no perfect human being and as such since statistics is drawn from a lot of samples and groups, there is guaranteed to be some form of variability in responses or results as the case may be.

Therefore, we can say that is option D.

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Let's start by assigning variables to the unknown quantities. Let's say that Alicia had x beads initially, and therefore Iffa had x+50 beads initially.

After Iffa bought some beads, her total number of beads increased by 36%, or 0.36 in decimal form. This means that her new total number of beads can be expressed as 1.36(x+50), or 1.36x+68.

Similarly, after Alicia gave away some of her beads, her total number of beads decreased by 20%, or 0.2 in decimal form. This means that her new total number of beads can be expressed as 0.8xt

Finally, we know that the sum of Iffa and Alicia's beads is 500. Putting all of this together, we can set up an equation:

1.36x + 68 + 0.8x = 500

Simplifying and solving for x, we get:

2.16x = 432

x = 200

So Alicia initially had 200 beads. We can use this to find out how many beads Iffa initially had:

Iffa's initial number of beads = Alicia's initial number of beads + 50 = 250

Now we can find out how many beads Iffa bought:

Iffa's final number of beads = 1.36(x+50) = 1.36(250+50) = 408

So Iffa bought 408 - (250+50) = 108 beads.

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Answer:

10:04 AM

Step-by-step explanation:

1 hr and 59 minutes is 1 minute short of two hours therefore 8:05 + 2 = 10:05 - 1 = 10:04

Based on the given confidence interval, there is evidence to support the claim that the true average echo duration of lightning flashes is 0.8 seconds.

To determine if the evidence supports the claim that the true average echo duration of lightning flashes is 0.8 seconds, we need to check if the value 0.8 falls within the confidence interval.

The 95% two-sided confidence interval for the true average echo duration is (0.743, 0.877). Since the value 0.8 falls within this interval, it means that the true average echo duration of lightning flashes of 0.8 seconds is within the range of values that is supported by the data.

Therefore, based on the given confidence interval, there is evidence to support the claim that the true average echo duration of lightning flashes is 0.8 seconds.

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