Find the Value of x


x, 15, 13
Mean = 12
x =

Answer:

I believe it would be both functions have a y-intercept of -2.

Step-by-step explanation:

Hope this answer is correct and helps you. :)

The true statement about the function is that both functions have a y-intercept of -2.

If both functions have a y-intercept of -2, it means that they pass through the point (0, -2). The y-intercept is the value of y when x is equal to 0.

Here are many functions that have a y-intercept of -2. Here are a few examples:

Linear function: y = 2x - 2

Quadratic function: y = x² - 2

Logarithmic function: y = log(x) - 2

In general, any function of the form y = mx + b, where m and b are constants, will have a y-intercept of b. So, as long as b = -2, the function will have a y-intercept of -2.

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Answer: (-4,-5)

Step-by-step explanation:

Answer: (4, -4)

Step-by-step explanation: i said this on  the other question

In a right triangle with cos0 = 4/5, the exact value of cot(0) is 4/3.

In a right triangle, if cos0 = 4/5, then the exact value of cot(0) can be found using the Pythagorean Theorem and the definition of cotangent.

First, let's use the Pythagorean Theorem to find the third side of the right triangle.

If cos0 = 4/5, then the adjacent side is 4 and the hypotenuse is 5. The Pythagorean Theorem states that a^2 + b^2 = c^2, where a and b are the legs of the right triangle and c is the hypotenuse. Plugging in the known values, we get:

4² + b² = 5²
16 + b² = 25
b² = 9
b = 3

Now that we know the third side of the right triangle, we can use the definition of cotangent to find the exact value of cot(0).

Cotangent is defined as the ratio of the adjacent side to the opposite side. In this case, the adjacent side is 4 and the opposite side is 3, so:
cot(0) = 4/3

Therefore, the exact value of cot(0) is 4/3.

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Statistics is the science of conducting studies to collect, organize, summarize, analyze and draw conclusions from data.

Therefore, the correct option is: c

The statistics it involves using various methods to gather and analyze data to form hypotheses, experiments and draw conclusions. In order to do so, statistics uses a variety of tools and techniques to summarize and analyze data, including descriptive statistics, inferential statistics, and hypothesis testing.

Its main goal is to draw conclusions or make decisions based on data. In order to do so, statistics uses a variety of tools and techniques to summarize and analyze data, including descriptive statistics, inferential statistics, and hypothesis testing.

Additionally, statistics can also be used to monitor, study and report on a subject by looking at different options.

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Answer:

there is a solution

w= -2

Step-by-step explanation:

4w+4=-4

    -4    -4

4w=-8

/4    /4

w=-2

Answer:

9

13

23

59

116

238

Step-by-step explanation:

1) 14

1 × 5^1 + 4 × 5^0 = 9

2) 23

2 × 5^1 + 3 × 5^0 = 13

3) 43

4 × 5^1 + 3 × 5^0 = 23

4) 214

2 × 5² + 1 × 5^1 + 4 × 5^0 = 59

5) 431

4 × 5² + 3 × 5^1 + 1 × 5^0 = 116

6) 1423

1 × 5³ + 4 × 5² + 2 × 5^1 + 3 × 5^0 = 238

Using the range to compare the variability of data sets is a rather insensitive measure of data variance is the correct answer.

In this question,

The range tells you the spread of your data from the lowest to the highest value in the distribution. The range is the difference between the smallest and highest numbers in a list or set. To find the range, first put all the numbers in order. Then subtract (take away) the lowest number from the highest.

Data variability also known as spread or dispersion, refers to how spread out a set of data is. Variability gives users a way to describe how much data sets vary and allows users to use statistics to compare their data to other sets of data.

Thus the disadvantage of using range is that it does not measure the spread of the majority of values in a data set, it only measures the spread between highest and lowest values.  

The options are a) It is a rather insensitive measure of data variance, b) It is hard to compute, c) It is a sensitive measure of data variance, d) It does not have any variance.

Hence we can conclude that using the range to compare the variability of data sets is a rather insensitive measure of data variance.

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Answer:

87.92 cubic inches

Step-by-step explanation:

to find the volume of a cylinder the formula is V = \(\pi\)\(r^{2}\)h

so first i squared 2

2x2= 4

i then multiplied 4 by the height (7)

4x7 = 28

then times 28 by pi (3.14)

28x 3.14 = 87.92

The volume of cylinder is  87.92 cubic inches

volume :

volume is the amount of space in a certain 3D object.

formula used to  find the volume of cylinder :

V  =  π × r^2 × h

as given ,

r = 2 inch

h = 7 inch

so ,

V = π × (2)^2 × 7

⇒  π  × 28

V =  87.92 cubic inches

Hence , the volume of cylinder is  87.92 cubic inches .

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9514 1404 393

Answer:

  P = 250 +50t

Step-by-step explanation:

We are given two pairs of time and price:

  (t, P) = (0, 250)  and  (5, 500)

We can put these into the 2-point form of the equation for a line:

  y = (y2 -y1)/(x2 -x1)(x -x1) +y1

  P = (500 -250)/(5 -0)(t -0) +250

  P = 250/5t +250

  P = 50t +250 . . . . Madelyin's cost equation

Answer:

need

Step-by-step explanation:

Answer:

Derek

Step-by-step explanation:

15/25

8/14

find common factor:

350 is the lcm for both of them

Derek: 15/25= 210/350

Meredith: 8/14= 200/350

So, Derek got a better score

Answer:

derek

Step-by-step explanation:

if u simplify them, meredith in simplest form in decimal is .571428

and derek when you simplify his in simplest form in decimal is .6

so therefore derek has a higher or better score

plz give me brainliest

The minimum volume of the tank which is required for combined lengths of the fish is equal to 15-gallon tank.

The slope of a line simply refers to the gradient of a line and it's typically used to describe both the ratio, direction and steepness of an equation of a straight line.

Mathematically, the slope of a straight line can be calculated by using this formula;

\(Slope, m = \frac{Change\;in\;y\;axis}{Change\;in\;x\;axis}\\\\Slope, m = \frac{y_2\;-\;y_1}{x_2\;-\;x_1}\)

By critically observing the graph of the capacity of the tank against the combined length of the fishes present in the tank, we can logically deduce that the y-intercept is 1, the point starts from (0, 1) and then passes through points (3, 4).

Substituting the given parameters into the slope formula, we have;

Slope, m = (4 - 1)/(3 - 0)

Slope, m = 3/3

Slope, m = 1.

Mathematically, the standard form of the equation of a straight line is given by;

y = mx + c

Where:

Also, we would find the total length of all the fishes in the tank:

Total length, x = (4 × 2) + (3 × 1) + (1 × 3)

Total length, x = 14 inches.

Next, we would write an expression for the equation of line of this graph:

y = 1(x) + 1

y = x + 1.

When x = 24, we have:

y = 14 + 1

y = 15-gallon tank.

In conclusion, the minimum volume of the tank which is required for combined lengths of the fish is equal to 15 inches.

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Complete Question:

You want to set up an aquarium and need to determine what size tank to buy. The graph shows tank sizes using a rule that relates the capacity of the tank to the combined lengths of the fish it can hold.

If you want four 2-inch platys, three 1-inch guppies, and a 3-inch loach, what is the smallest capacity tank you can buy?

17-gallon tank

13-gallon tank

15-gallon tank

14-gallon tank

Answer:

its C

Step-by-step explanation:

Answer:

c. I believe

Step-by-step explanation:

because all of the other options dont go in a consistent order/pattern. C. matches the vertical side

please consider marking me as brainliest. as I explained my answer!

Please and thanks!

The probability of winning by picking the number 30 in roulette is 1/38.

In the game of roulette, the wheel consists of 38 spaces, with numbers 0 through 36 and an additional space marked 00. When you pick a specific number, such as 30, the probability of that number coming up on the wheel can be determined by calculating the ratio of favorable outcomes to the total number of possible outcomes.

In this case, there is only one favorable outcome, which is the ball landing on the number 30. The total number of possible outcomes is 38 since there are 37 numbered spaces (0 through 36) and one additional space for 00. Therefore, the probability of winning by picking the number 30 is 1 out of 38.

To put it simply, if you were to play roulette many times, you would expect the number 30 to come up approximately once every 38 spins on average. This probability remains the same for each individual spin, as each spin of the roulette wheel is an independent event.

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Answer:

Chicken: 500g

Peppers: 1kg

Onions: 10g

Tortillas: 14

Step-by-step explanation:

hope this helps

Answer:

step 1, c

Step-by-step explanation:

he was wrong in step 1.

when factoring out (x-4) and (x-2), you have to distribute x*x, x*-2, -4*x, and -4*-2

if you do it you get x^2 - 2x -4x + 8

the correct way to factor will be (x-4)(x+2)

when you factor out you will get the original equation you started with.

Bradley could earn an additional $58.80 per week at Sky View compared to his current job if he calculated the rate for a 40-hour workweek.

We have,

To calculate the difference in weekly earnings, we need to find the difference in hourly rates and then multiply it by the number of hours worked in a week.

Bradley is currently earning $12.46 per hour, and the nursing staff at Sky View earns $13.93 per hour.

The difference in hourly rates is:

$13.93 - $12.46 = $1.47

Now, we need to calculate the additional earnings per hour:

$1.47 * 40 hours = $58.80

Therefore,

Bradley could earn an additional $58.80 per week at Sky View compared to his current job if he calculated the rate for a 40-hour workweek.

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Answer:

-15

Step-by-step explanation:

add 3 and 8=11, than add -4= -15

The length of side of BC is determined as 10.0 m.

option C.

The length of side of BC is calculated from the sum of the length of OB and OC as presented by the diagram.

Congruent triangles are triangles that have the same shape and size, but may be oriented differently or positioned differently in space. In other words, two triangles are considered congruent if their corresponding sides and angles are equal in measure. When two triangles are congruent, they are essentially identical to each other, and they can be superimposed on each other by translations, rotations, and reflections.

if triangle AOB is congruent to triangle BDC, then we can assume the following;

length of side AB = OB = OC = 5 m

BC = 5 m + 5m = 10 m

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Answer: height = 1.91 m

Step-by-step explanation: Using the formula

V=πr2h

Solving for h

h=V

πr2=37.5

π·2.52≈1.90986m

The simplified expression after rationalizing the denominator is:

(2√3 + 4) / (√2 - 2√0.75 + 0.5)

To rationalize the denominator, we need to eliminate any square root terms from the denominator. We can do this by multiplying both the numerator and denominator by the conjugate of the denominator.

The conjugate of √1.5 + √0.5 is √1.5 - √0.5.

So, multiplying both the numerator and denominator by the conjugate, we get:

[(√2 + √6) / (√1.5 + √0.5)] * [(√1.5 - √0.5) / (√1.5 - √0.5)]

Expanding the numerator and denominator using the distributive property, we have:

[(√2 * √1.5) + (√2 * √0.5) + (√6 * √1.5) + (√6 * √0.5)] / [(√1.5 * √1.5) - (√1.5 * √0.5) + (√0.5 * √1.5) - (√0.5 * √0.5)]

Simplifying further, we have:

[√3 + √1 + √9 + √3] / [√2 - √0.75 - √0.75 + √0.25]

Now, let's simplify each term:

[√3 + 1 + 3√1 + √3] / [√2 - 2√0.75 + √0.25]

Combining like terms, we have:

[2√3 + 1 + 3√1] / [√2 - 2√0.75 + √0.25]

Simplifying further, we get:

[2√3 + 1 + 3] / [√2 - 2√0.75 + 0.5]

[2√3 + 4] / [√2 - 2√0.75 + 0.5]

So, the simplified expression after rationalizing the denominator is:

(2√3 + 4) / (√2 - 2√0.75 + 0.5)

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Answer:

I hope this is right, 13 units

Step-by-step explanation:

Sorry if this is wrong

Approximately 68% of the observations fall between 18 and 22, and 95% of the observations fall between 16 and 24.

Data drawn from a bell-shaped distribution with a mean of 20 and a standard deviation of 2 can be used to calculate the percentage of observations that fall between 18 and 22, and 16 and 24. To calculate this percentage, we first need to find the z-score for each of the lower and upper boundaries.

The z-score for 18 is -1 and the z-score for 22 is 1. We can use a standard normal table to look up the area under the curve between -1 and 1, which is 0.68. Thus, 68% of the observations fall between 18 and 22. To calculate the percentage of observations between 16 and 24, we need to find the z-score for 16 and 24, which are -2 and 2 respectively.

We can look up the area under the curve between -2 and 2 in a standard normal table, which is 0.95. Thus, 95% of the observations fall between 16 and 24. To calculate the percentage of observations less than 16, we need to find the z-score of 16, which is -2. We can look up the area under the curve.

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The vertex of the function defined as g(x) = f(x+2) is (8, 4).

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

Vertex of f(x) = (6, 4)

For the function defined as g(x) = f(x+2), we have

Vertex = (x + 2, y)

Where

x = 6 and y = 2

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

Vertex = (6 + 2, 4)

Evaluate

Vertex = (8, 4)

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Here, we seek the angle adjacent to one of the given sides' length.

When given the hypothenuse and the adjacent lengths, we employ the SOH CAH TOA formulae.

This gives us:

Where

adjacent = 15

Hypothenuse = 34

Employing back into the formulae, we have:

The missing angle is approximately 64 degrees

f'(0) is the derivative of the function f(x) evaluated at x = 0, and it provides information about the instantaneous rate of change of the function at that specific point.

In the context of calculus, the derivative measures the rate of change of a function at a specific point. By taking the limit as h approaches 0, we are considering the instantaneous rate of change or the slope of the tangent line at x = 0.

The expression f'(0) represents the value of the derivative of the function f(x) at x = 0. This value indicates how the function is changing at that particular point. The limit h→0 ensures that we are approaching the point of interest as closely as possible, allowing us to capture the exact rate of change at x = 0.

Overall, f'(0) is the derivative of the function f(x) evaluated at x = 0, and it provides information about the instantaneous rate of change of the function at that specific point.

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Answer:

Step-by-step explanation

ayo so basically this is a pythagorus theorum question

the formula is

c²= a² + b²

where c is the hypotenuse (the longest line , opposite of the right angle aka here 13ft !!)

a and b ,  where a  is the down line as a (4ft ) and b the unknown one

(just remember and lookout for the hypotenuse!)

so now put the numbers in formula

(13)²= (4)² +(b)²

169= 16 +(b)²

169-16=(b)²

153= (b)²

(put b first )

(b)² = 153

√(b)²= √153

(the square gets cut with the square root)

b= 12.36931688

b+12.4

Answer:

Georgio has to earn $1,800 and borrow $2,700.

Answer:

\(y = -2x + 15\)

Step-by-step explanation:

center of the circle C is at (0, 0).

let P be the point (6, 3),

There is a property of a circle,

line drawn from center of a circle to a point P (x, y) is perpendicular to the tangent at P.

see the attached figure

so basically we have to find the equation of line perpendicular to the line passing through (6, 3).

slope of line CP = 1/2

therefore the slope of perpendicular line = -2 (tangent at P)

It passes through (6, 3) (the point of tangency),

using the equation,

\(y_2 - y_1 = m(x_2 - x_1)\)

\(y - 3 = -2(x - 6)\)

\(y = -2x + 15\)

Hopefully, this answer will help you!

the probability that the next 3 cards are also spades is 0.0156.

There are 13 spades in a deck of 52 cards. The probability of each card being a spade is 13/52 or 0.25. The probability that the next 3 cards are also spades is 0.25 x 0.25 x 0.25 = 0.016. Therefore, the probability that the next 3 cards are also spades is 0.0156.

1. Calculate the probability of one card being a spade: 13/52 or 0.25

2. Calculate the probability of the next 3 cards being spades: 0.25 x 0.25 x 0.25 = 0.016

3. Round the answer to four decimal places: 0.0156

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