3. Where does solar energy come from?
Enter your answer

No, 2 3 4 5 6 6 is not a function.

A function is a set of ordered pairs (x, f(x)) where each input value x corresponds to exactly one output value f(x). In other words, for any given input value x, there should be only one corresponding output value f(x).

2 3 4 5 6 6 is a list of integers, but it does not represent any ordered pairs. It is not clear which integers correspond to input values and which correspond to output values. Therefore, it cannot be considered a function.

It's important to note that in order to identify if a set of ordered pairs is a function or not, you must check if there's any value that is repeated as an input value, if so then it's not a function.

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Answer:

6 100

Step-by-step explanation:

i found the answer because if you notice, once it gets to 3 52, 4 66, and 5, 82 it goes up 2 each time. So the answer would be 6 100!

Answer:

a number divided by 4

Step-by-step explanation:

a number = n (it's a variable used in equations.)

so n over 4, or n divided by 4

An expression that represents the "the quotient of a number and 4" is n/4.

In Mathematics and Geometry, a quotient is a mathematical expression that is simply used to represent the division of a number (numerator) by another number (denominator).

Let the variable n represent the unknown number.

Based on the information provided above, we can logically deduce that the following mathematical expression would represent the "the quotient of a number and 4;"

Expression: n/4

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The longest tornado ever recorded spanned 219 miles of land as it swept through many states at a pace of 60 miles per hour.

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Answer:

0589 and 9850

the number is 40.

In mathematics, the system of linear equations is the set of two or more linear equations involving the same variables. Here, linear equations can be defined as the equations of the first order, i.e., the highest power of the variable is 1. Linear equations can have one variable, two variables, or three variables. Thus, we can write linear equations with n number of variables. In this article, you will get the definition of the system of linear equations, different methods of solving these systems of linear equations and solved examples.

If the tens digit of the number is X and the ones digit is Y then the number is equal to 10*X + Y

If you reverse the digits then the number is equal to 10*Y + X

If reversing the digits decreases the number by 36 then

10*Y + X = 10*X + Y - 36

The sum of the digits is 4 so X + Y = 4  ==>  X = 4 - Y

Substitute this value of X into the 1st equation

10*Y + (4 - Y) = 10*(4 - Y) + Y - 36

9*Y + 4 = 40 - 9*Y - 36

18*Y = 0

Y = 0

So X = 4 - 0 = 4 and the number is 40

Check:  40 - 04 = 36

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Answer:

Slope = 8

Y-intercept = (0, 9)

Step-by-step explanation:

Slope-intercept form of an equation :

Therefore, on comparing with the given equation :

3x²–243=0 —> 3 (x²–81) = 0 —>

x²–81=0 —> (x-9)(x+9)=0

x-9=0 —> x=9

x+9=0 —> x=–9

I hope I helped you^_^

a) the 95% confidence interval for μ is approximately (23.906, 32.094).

b) The 95% confidence interval for μ is approximately (99.212, 104.788).

c) The 95% confidence interval for μ is approximately (11.08, 18.92).

d) The 95% confidence interval for μ is approximately (0.13, 7.97).

To calculate a 95% confidence interval for the population mean μ in each of the given situations, we can use the formula:

Confidence Interval = \(\bar{X}\) ± Z * (σ / √n),

where  \(\bar{X}\) is the sample mean, Z is the Z-score corresponding to the desired confidence level (95% confidence corresponds to a Z-score of approximately 1.96), σ is the population standard deviation, and n is the sample size.

a. n = 75,  \(\bar{X}\) = 28:

The confidence interval is calculated as follows:

Confidence Interval = 28 ± 1.96 * (20 / √75) ≈ 28 ± 4.094.

Therefore, the 95% confidence interval for μ is approximately (23.906, 32.094).

b. n = 200,  \(\bar{X}\) = 102:

Confidence Interval = 102 ± 1.96 * (20 / √200) ≈ 102 ± 2.788.

The 95% confidence interval for μ is approximately (99.212, 104.788).

c. n = 100,  \(\bar{X}\) = 15:

Confidence Interval = 15 ± 1.96 * (20 / √100) ≈ 15 ± 3.92.

The 95% confidence interval for μ is approximately (11.08, 18.92).

d. n = 100,  \(\bar{X}\) = 4.05:

Confidence Interval = 4.05 ± 1.96 * (20 / √100) ≈ 4.05 ± 3.92.

The 95% confidence interval for μ is approximately (0.13, 7.97).

e. The assumption that the underlying population of measurements is normally distributed is necessary to ensure the validity of the confidence intervals in parts a-d. The confidence interval formula relies on the assumption that the sampling distribution of the mean follows a normal distribution, particularly when the sample size is relatively small (e.g., n < 30). Additionally, the use of the Z-score assumes normality. If the underlying population is not normally distributed or the sample size is small, alternative methods like the t-distribution or non-parametric approaches should be considered to construct confidence intervals.

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The metric system of measurement is based on the number 10.

This system is also known as the International System of Units (SI) and is used in most countries around the world. In the metric system, various units of measurement are defined as multiples or fractions of a base unit, which is defined for each quantity being measured. For example, the base unit for length is the meter, and the base unit for mass is the kilogram. Prefixes such as kilo-, centi-, and milli- are used to indicate multiples or fractions of the base unit, based on factors of 10. For example, a kilometer is 1000 meters, a centimeter is 1/100 of a meter, and a milligram is 1/1000 of a gram. This makes the metric system easy to use and convert between units, as well as consistent and universally recognized.

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To calculate the difference in chemical energy consumption between an SUV and a minivan for a 200-mile trip to grandma's house, we need to consider the fuel efficiency of both vehicles.

Calculation of Chemical Energy Consumption:

For the SUV:

Fuel consumption = Distance / Fuel Efficiency = 200 miles / 14 mpg = 14.2857 gallons

For the minivan:

Fuel consumption = Distance / Fuel Efficiency = 200 miles / 32 mpg = 6.25 gallons

Calculation of Chemical Energy in BTU:

The energy content of gasoline is typically around 115,000 BTU per gallon.

For the SUV:

Chemical energy = Fuel consumption * Energy content = 14.2857 gallons * 115,000 BTU/gallon = 1,642,857 BTU

For the minivan:

Chemical energy = Fuel consumption * Energy content = 6.25 gallons * 115,000 BTU/gallon = 718,750 BTU

Difference in Chemical Energy = SUV's Chemical energy - Minivan's Chemical energy

= 1,642,857 BTU - 718,750 BTU

= 924,107 BTU

Therefore, the SUV will use 924,107 BTU more chemical energy than the minivan for a 200-mile trip.

Calculation of Chemical Energy in kWh:

To convert BTU to kWh, we can use the conversion factor: 1 BTU = 0.000293071 kWh.

For the SUV:

Chemical energy = 924,107 BTU * 0.000293071 kWh/BTU = 270.588 kWh

The SUV will consume approximately 924,107 BTU (270.588 kWh) more chemical energy than the minivan for a 200-mile trip to grandma's house.

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It is False if the mean of a data set is large, the standard deviation has to be large also as standard deviation doesn't depend on mean.

The statistical measure of standard deviation measures the degree of variance or dispersion among a group of data values. It displays the average difference between the values in a dataset and their mean.

False. A data set's mean and standard deviation are two different measures of the data, and neither one automatically indicates anything about the other. By adding together all the values and dividing by the total number of values, the mean, which serves as a gauge of the data set's centre, is determined. By calculating the average deviation of each value from the mean, the standard deviation—a measure of the data's spread—is determined.

It is possible for a data set to have a large mean and a small standard deviation, a small mean and a large standard deviation, or any value in between. The values of the data collection determine everything.

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Answer:

Step-by-step explanation:

are the what???

Answer:

A.) +28

B.) -16

C.) 10,048

Step-by-step explanation:

The number of downloads of the high quality version that was made was 600.

This is a great system of equations problem

If we call the number of standard version downloads (S)  

The high quality downloads (H).

To find S, we can rearrange the first statement to H = 910 - S,

Then we would substitute (910 - S) wherever you see an H in the second equation so that you have only S's in your equation.

Thus:

2.8(S) + 4.4(910 - S) = 3044

2.8S + 4004 - 4.4S = 3044

-1.6S = -960

s = 600

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The amount of nitrogen in the tank containing 505 cubic meters of air is approximately 390.9 cubic meters.

To find the amount of nitrogen in a tank containing 505 cubic meters of air, we can set up a proportion using the given information.

Let's represent the amount of nitrogen in the tank as 'N'. Since the atmosphere is 78% nitrogen by volume, we can set up the following proportion:

(78/100) = N/505

To solve for N, we cross-multiply and then divide:

78 * 505 = 100 * N

N = (78 * 505) / 100

N ≈ 390.9

Therefore, the amount of nitrogen in the tank containing 505 cubic meters of air is approximately 390.9 cubic meters.

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Step 1: Start by drawing a circle.

Step 2: On the circle, choose any point. Label its endpoints A and C.

Step 3: Set the width of the compass larger than the radius of the circle. Draw arcs centered at A and C on each side of the diameter.

Step 4: Connect the arcs and the center of the circle. Label the points of intersection with the circle as B and D.

Step 5: Draw chords AB, BC, CD, and DA.

A circle is a fundamental geometric shape in mathematics. It is a two-dimensional figure that consists of all points in a plane that are equidistant from a fixed point called the center. The distance from the center to any point on the circle is known as the radius.

A circle is defined by its center and radius. The center is usually represented by the coordinates (h, k), where 'h' represents the horizontal position and 'k' represents the vertical position. The radius is the distance between the center and any point on the circle.

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Clare and her two best friends use 4 yards of cloth for making 3 capes.

Given,

The length of cloth for making one cape = 4 feet

Number of capes needed = 3 ( for Clare and her two best friends)

We have to find the length of cloth in yards needed to make the 3 capes.

Here,

1 yard = 3 feet

Total length of cloth needed = length for one cape x number of capes

= 4 x 3

= 12 feet

Here,

3 feet = 1 yard

Then,

12 feet = 12/3 = 4 yards

That is,

Clare and her two best friends use 4 yards of cloth for making 3 capes.

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Answer:

bsosbsodndodnelsnsodnendk

Answer:

-4

Step-by-step explanation:

Find the common difference of the arithmetic sequence.

-6,-10, -14, -18,

Answer:

the answer is B

Step-by-step explanation:

it makes the most sense

A set is a mathematical model for a collection of items. The typical value is greater in Set A, while the spread is greater in Set B.

A set is a mathematical model for a collection of items; it comprises elements or members, which may be any mathematical object: numbers, symbols, points in space, lines, other geometrical structures, variables, or even other sets.

In two of the given sets, the typical value is represented by a triangle, therefore, the typical value in Set A is 7.1..., while the typical value in Set B is 6.

Hence, the typical value is greater in Set A, while the spread is greater in Set B.

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Answer:

Step-by-step explanation:

Dont do it. Just take the detention

\( \frac{5}{2x + 1} +\frac{8}{2x + 1}\)

\(= \frac{5 + 8}{2x + 1} \)

\(= \frac{13}{2x + 1} \)

Answer:

Step-by-step explanation:

We know the slope is rise over run. You can also find slope by using the formula (y2-y1)/(x2-x1) where x1, x2, y1 and y2 are points from the table. These points also aren't random and must correspond with each other. Example x1 and y1.

Answer:

52.5

Step-by-step explanation:

=24.5/7

=3.5

Then

3.5*15

=52.5 ans#

The number of ounces of jam that all of the jar can hold is about  4 large jars and 2 small jars.

A matrix represents a mathematical entity or characteristic through a table or array of expressions, numbers, or symbols arranged in rows and columns.

So, from the given matrix in the question, one has to compare the equations, So we have:

l + 2s = 8    ...........(i)

l - s = 2      .............(ii)

Then do subtract the second equation from the first, to remove l

3s = 6

s = 2

So also substitute 2 for s in l - s = 2

l - 2 = 2

Then sum up the 2 to both sides

l = 4

Therefore, the number of ounces of jam that each jar can hold is about  4 large jars and 2 small jars.

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Answer:

Condition:

If a series converges, then the terms of the series approach 0.

Converse:

If the terms of a series approach 0, then the series converges.

The square root function contains a variable under the square root sign. The cube root function contains a variable under the cube root sign.

What is a function?

A function in mathematics from a set X to a set Y assigns exactly one element of Y to each element of X. The sets X and Y are collectively referred to as the function's domain and codomain, respectively. Initially, functions represented the idealized relationship between varying quantities and other variables.

A variable under the square root sign is present in a square root function, and a variable under the cube root sign is present in a cube root function.

Zero has a square root of zero, and one has a square root of one. Keep in mind that the graph only contains points where x and y are positive. For instance, using the imaginary number i is necessary when taking the square root of a negative number.

The square root function is f(x) = √x

For positive values, the graph resembles the square root graph, but cube roots can also be negative, making this equation infinite for all real numbers. Recall that a negative number will result from being multiplied an odd number of times.

The cube root function is f(x) = ³√x

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Solving a linaer equation we can see that your cat weighs two more pounds.

Let's define the variables:

x = your cat's weight.

y = your friend cat's weight.

We can write the linear equation:

y = 0.833...*x

And we also know that.

y = 10 lb, replacing that we will get:

10lb =  0.833...*x

Solving that for x:

x = 10lb/  0.833...

x = 12 lb

Then you can see that your cat weighs 2 pounds more.

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