if the mean of a set of 12 numbers is 13 , then the summer of the numbers is

Answer:

17.976

(This seriously doesn't need an explanation)

Hope this helped

Answer:

17.976

I did math

it easy

Do each step

I love math

Answer:

25

Step-by-step explanation:

25-5=20, 5/4*20=25

Answer:

the answer is: X=2

Answers

πr^2h

Step-by-step explanation:

because this is the volume of a

Step-by-step explanation:

the volume of a cone is

base area × height / 3

pi×r² × height / 3

pi×10² × 12 / 3 = 100pi × 4 = 400pi in²

for the first cone

pi×5² × 12 / 3 = 25pi × 4 = 100pi in²

Answer:

10/7*2/5= 20/35=4/7

Answer:

4/7

Step-by-step explanation:

The answer is D. None of the above, the long-term DPMO is 25137, which is equivalent to a Z-value of 3.46. The short-term Z-value is usually 1.5 to 2 times the long-term Z-value,

so it would be between 5.19 and 6.92. However, these values are not listed as answer choices. The Z-value is a measure of how many standard deviations a particular point is away from the mean. In the case of DPMO, the mean is 6686. So, a Z-value of 3.46 means that the long-term defect rate is 3.46 standard deviations away from the mean.

The short-term Z-value is usually 1.5 to 2 times the long-term Z-value. This is because the short-term process is more variable than the long-term process. So, the short-term Z-value would be between 5.19 and 6.92.

However, none of these values are listed as answer choices. Therefore, the correct answer is D. None of the above.

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To answer this question, we need to know the median and upper quartile of the data set. Once we have these values, we can determine what percentage of the data falls to the right of the median and to the left of the upper quartile.
Let's say the median of the data set is 50 and the upper quartile is 75. To find the percentage of measurements to the right of the median, we need to look at the data values that are greater than 50 and divide that number by the total number of measurements. Let's say there are 40 data values greater than 50 and a total of 100 measurements.

Then, the percentage of measurements to the right of the median would be:

(40/100) x 100% = 40%

To find the percentage of measurements to the left of the upper quartile, we need to look at the data values that are less than or equal to 75 and divide that number by the total number of measurements. Let's say there are 60 data values less than or equal to 75 and a total of 100 measurements. Then, the percentage of measurements to the left of the upper quartile would be:

(60/100) x 100% = 60%


Your answer:
1. 40% of the measurements lie to the right of the median.
2. 60% of the measurements lie to the left of the upper quartile (Q3).

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Answer:

Step-by-step explanation:

y = -3x + 7

since the slope of the line AB = (4 - 2) /( 3 - (-3)) = 1/3

slope of line perpendicular to AB will be -3

The coordinate of final point of A after transformation is,

A'' = (0, - 7)

We have to given that;

Coordinate of A = (0, 7)

We know that;

Rule for the across the x - axis is,

(x, y) = (x , - y)

Hence, We get;

Point after transformation is,

A' = (0, - 7)

And, Rule for the across the y - axis is,

(x, y) = (-x ,  y)

Hence, Point after transformation is,

A'' = (0, - 7)

Thus, The coordinate of final point of A after transformation is,

A'' = (0, - 7)

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Answer:

x = 18.0

Step-by-step explanation:

You must memorize the definitions of the trig functions and then these types of problems are easy.

In your problem,  sin of an angle = opposite side/hypotenuse

So,  sin 51 = 14/x

      x sin 51  = 14

            x = 14/sin 51 = 18.0

Answer:

Step-by-step explanation:

5 used cars for sale. They have a mean price of $7000

. What is the total price of all 5

cars?

We are given total number of cars = 5 cars.

The mean of all of five cars = $7000.

Note: Total sum/value could be calculated by multiplying mean with the total numbers we have.

Total price = Mean × Total number of cars.

According to problem, mean is 7000 and total number of cars is 5.

Therefore, Total price of all 5 cars = 7000 × 5 = $35000.

We are given total number of cars = 5 cars.

The mean of all of five cars = $7000.

Note: Total sum/value could be calculated by multiplying mean with the total numbers we have.

Total price = Mean × Total number of cars.

According to problem, mean is 7000 and total number of cars is 5.

Therefore, Total price of all 5 cars = 7000 × 5 = $35000.

Answer:

Kate is 3 years old, Jane is 9 years old

Step-by-step explanation:

1.) First, assign variables to all of their ages. If we say Kate's age is x, Jane's age is 3 times this, which can be written as j, is 3x.

2.) Jane's age is also 2 less than twice of Kate's in 5 years. This means that her age is also 2(x+5) - 2 = j + 5. With a little simplification, you get that 2x + 8 = j + 5.

3.) Since j, Jane's age, is also 3x, we can substitute 3x in for j in the second equation. If you do this, you get 2x + 8 = 3x + 5.

4.) By moving the x onto one side and the numbers onto another, you get x = 3. X was Kate's age, meaning that Kate is 3 years old.

5.) Finally, since Jane's age is 3 times Kate's age, Jane's age is 3 * 3, which is 9. Jane is 9 years old.

Jane is 9 years old and Kate is 3 years old.To solve the problem, let's first establish variables for Jane and Kate's ages.

Let J represent Jane's age and K represent Kate's age.
According to the student question, Jane is 3 times as old as Kate, which can be represented as:
J = 3K
In 5 years, Jane's age will be 2 less than twice Kate's age, which can be represented as:
J + 5 = 2(K + 5) - 2
Now we can solve the equations step by step:

Substitute the first equation into the second equation to eliminate one of the variables:
3K + 5 = 2(K + 5) - 2
Distribute the 2 on the right side of the equation:
3K + 5 = 2K + 10 - 2
Simplify the equation by combining like terms:
3K + 5 = 2K + 8
Move the 2K term to the left side of the equation:
K = 3
now we know that Kate is currently 3 years old.
Substitute K's value back into the first equation to find Jane's age:
J = 3K
J = 3(3)
Simplify to find Jane's age:
J = 9
So, Jane is currently 9 years old.
Jane is 9 years old and Kate is 3 years old.

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The appropriate simulation applet to calculate an approximate p-value is 0.0077.

The strong evidence that a short delay hinders the memorization process is strong data suggests that a brief delay impairs memorization.

Delay or no delay, answer: the number of words remembered

The mean distance between words remembered with and without delay over time is null, or zero.

Alt: The mean distance in words remembered over the long term (with no delay minus with delay) is higher than 0.

Yes, the majority of the lines do skew to the right. The mean for no delay is 10.55 whereas that for with delay is 8.7.

The mean distance in words remembered is 1.85.

1)0.0077 as the p-value

2)Strong data suggests that a brief delay impairs memorization.

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Answer:

A. 30 cm

Step-by-step explanation:

The surface area of a 14-inch pizza is 3.14 x 49 (7 x 7 = 49) = 153.86 square inches of surface area

Answer:

30cm

Step-by-step explanation:

Answer:i think the anwser is 6

Step-by-step explanation:

The area of the surface defined by z = xy and x2 + y2 ≤ 22 would be, Area = ∬ sqrt(1 + r^2) * r dr dθ, with limits 0 ≤ r ≤ sqrt(2) and 0 ≤ θ ≤ 2π.Evaluate the integral to get the area of the surface.

To find the area of the surface defined by z = xy and x^2 + y^2 ≤ 2, we need to use a double integral over the region bounded by the inequality x^2 + y^2 ≤ 2.

First, we should rewrite the inequality in polar coordinates: x^2 + y^2 ≤ 2 becomes r^2 ≤ 2, where r is the radial distance and θ is the angle. This means 0 ≤ r ≤ sqrt(2) and 0 ≤ θ ≤ 2π.

Next, we find the Jacobian for the polar coordinates, which is |J(r,θ)| = r.

Now, we need to compute the magnitude of the gradient of z = xy in terms of polar coordinates. The gradient of z is given by the partial derivatives:

∂z/∂x = y and ∂z/∂y = x

In polar coordinates, x = r*cos(θ) and y = r*sin(θ). So, we have:

∂z/∂r = cos(θ)*∂z/∂x + sin(θ)*∂z/∂y = r*cos^2(θ) + r*sin^2(θ) = r

Now, we use the double integral to find the surface area:

Area = ∬ sqrt(1 + (∂z/∂r)^2) * |J(r,θ)| dr dθ

Area = ∬ sqrt(1 + r^2) * r dr dθ, with limits 0 ≤ r ≤ sqrt(2) and 0 ≤ θ ≤ 2π.

Evaluate the integral to get the area of the surface.

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Step-by-step explanation:

the graph should look something like this

Answer:

A) 32 fl oz

Pints: 2

Gallons: 0.25

B) 24 c

Pints: 12

Gallons: 1.5

Step-by-step explanation:

Not much It is just knowing the conversions haha

Step-by-step explanation:

To find the distance travelled, you first have to find the circumference. After all, that is the part which actually touches the ground in the first place. The formula for the circumference is 2πr = C, where π=3.14, r is the radius (or half diameter). As such, we can plug in the values:

2*3.14*(26/2)=C -> 6.28*13=C -> 81.64 in = C

Step-by-step explanation:

Commutative law under addition says- p + q = q + p. Commutative law under multiplication says p x q = q x p. Note- Rational numbers, integers and whole numbers are commutative under addition and multiplication. Rational numbers, integers and whole numbers are non commutative under subtraction and division.

The value for theta is 16.7 degrees and that of alpha is 73.3 degrees.

Trigonometric functions are also known as Circular Functions can be simply defined as the functions of an angle of a triangle. It means that the relationship between the angles and sides of a triangle are given by these trig functions

The tangent function is the ratio of the length of the opposite side to that of the adjacent side. It should be noted that the tan can also be represented in terms of sine and cos as their ratio.

To find alpha, we can take the inverse tangent of both sides of the equation:

tan α = 10/3

tan⁻¹(tan α) = tan⁻¹(10/3)

α = tan⁻¹(10/3)

Using a calculator, we get:

α ≈ 73.3 degrees (rounded to one decimal place)

Therefore, the value of alpha is approximately 73.3 degrees.

To find theta, we can take the inverse tangent of both sides of the equation:

tan θ = 3/10

tan⁻¹(tan θ) = tan⁻¹(3/10)

θ = tan⁻¹(3/10)

Using a calculator, we get:

θ ≈ 16.7 degrees (rounded to one decimal place)

Therefore, the value of theta is approximately 16.7 degrees.\

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Answer:

x=2

Step-by-step explanation

Answer: The answer is m=7/2, please mark me as brainliest. :)

Step-by-step explanation: To find the slope of line A, use this formula to find a slope m: but sorry the slope formula cannot add to the photos. :(

Answer:

x = -9

Step-by-step explanation:

92 = -4(2x - 5)

92 = -8x + 20

72 = -8x

x = -9

92 = -4(2*-9 - 5)

92 = -4(-18 - 5)

92 = -4(-23)

92 = 92

Answer:

-9

Step-by-step explanation:

92 = -4 ( 2x - 5 )

Distribute

92 = -8x + 20

Subtract 20 from both sides

92 = -8x + 20

- 20         - 20

20 cancels out

92 - 20 = 72

Simplified

72 = -8x

Divide -8 on both sides so that x is alone

72 = -8x

-8     -8

-8 gets cancelled out

-9 = x

Or you could flip x on the other side and it would be:

x = -9

I hope it helps! Have a great day!

Answer:

We have that Jim is 6.1 ft tall, and his shadow is 12.4 ft long. If they ask for the shadow of the flagpole having into account that it is 22.4 ft tall, we can solve the problem with a three rule. We have the following relation: height (ft): object/person shadow 6.1 12.4 22.4 x Then we have the equation:

Step-by-step explanation:

The larger the p-value, the more likely it is that the null hypothesis that the population coefficient is equal to 0 is true regarding p-value.

In a linear regression model, p-values are associated with the estimated coefficients and provide information about the statistical significance of each predictor variable. The null hypothesis for each predictor is that the population coefficient for that predictor is equal to 0, meaning that it has no effect on the response variable.

The p-value is the probability of observing the estimated coefficient given the null hypothesis is true. If the p-value is small, it means that the observed coefficient is unlikely to be due to chance, If the p-value is large, it means that the observed coefficient could easily be due to chance and we cannot reject the null hypothesis.

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The estimated cost of producing the 15th unit is $10.30.

Given the following information about a process that makes high-end boards that get mounted on skateboards:Process starts with a unit cost of $13 for the first unit. Learning rate of LR = 0.90.

Solution :Let's use the learning curve formula to calculate the estimated cost of producing the 15th unit.C = a * N^b .Where:

C = cost per unit ,N = cumulative production volume, a = the unit cost of the first unit, b = log(LR) / log(2) = log(0.90) / log(2) = -0.152N = 15a = 13 (given)

Now, b = -0.152

Therefore ,C = 13 * (15)^(-0.152)C = 13 * 0.789C = 10.3 dollars.

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There are number of 170 seats with folding arm tablets that are not designed for wheelchair users.

1. First we need to identify the total number of seats in the lecture hall which is 200.

2. Then we need to identify the number of seats with folding arm tablets that are designed for wheelchair users which is 30.

3. To find the number of seats with folding arm tablets that are not designed for wheelchair users, we can subtract the number of seats designed for wheelchair users from the total number of seats.

4. Therefore, 200 - 30 = 170, which means there are 170 seats with folding arm tablets that are not designed for wheelchair users.

The lecture hall in question has a total of 200 seats, with 30 of those seats having folding arm tablets that are designed for wheelchair users. To find the number of seats with folding arm tablets that are not designed for wheelchair users, we can subtract the number of seats designed for wheelchair users from the total number of seats. This means that 200 - 30 = 170, which means there are number of 170 seats with folding arm tablets that are not designed for wheelchair users.

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The unit of measure that represents a metric unit dosage of strength is the gram (a).

In the metric system, the gram is the standard unit for measuring mass or weight. It is commonly used in the healthcare field to quantify the amount or dosage of medication or drug strength.

Medications are often prescribed and administered in specific gram amounts, indicating the quantity of the active ingredient in the medication. For example, a doctor may prescribe a medication dosage of 500 milligrams (mg), which is equivalent to 0.5 grams.

On the other hand, grains (b), ounces (c), and tablespoons (d) are not typically used as metric units of measure for medication dosage strength. Grains are more commonly used in the imperial system, especially in the United States, to measure the weight of medications. Ounces and tablespoons are used to measure volume or liquid medications rather than dosage strength.

In the context of metric unit dosage strength, the gram is the most appropriate and commonly used unit of measure.

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