What is the missing value in the ratio


videos. weeks
? 1
18. 2
27. 3
54. 6​

Answer:

(a) x= 20 (b) x= 41

Step-by-step explanation:

(a)

180-54= 126

360-126-90= 144

7x+4= 144

7x= 140

x= 20

(b)

(n-2)(180)= (5-2)(180)

= 540

(2x-10)+3x+(4x+20)+(2x-5)+(2x+2)= 13x+7

13x+7= 540

13x= 533

x= 41

There are 2 balls on the side length 3 layers down in the pyramid.

A pyramid is a three-dimensional figure. It has a flat polygon base. All the other faces are triangles and are called lateral faces.

Given that, Ms. Ryan is making a pyramid of kick-balls, the bottom layer has a side length of 5 balls, each layer going down the side length is one less than the previous one,

We need to find the number of balls 3 layers down,

Since, it is given that, there is reducing one balls as going down,

Therefore,

When we will go 3 layers down it will be 3 balls reduced, the layer from where we started is having 5 balls and after coming 3 layers down, the side layer will have = 5-3 = 2 balls.

Hence, there are 2 balls on the side length 3 layers down in the pyramid.

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The integral of 1/(1-x^2) is arctan(x).

An integral is a mathematical operation that calculates the area under a curve by breaking it into infinitely small segments and summing them up.

To solve this integral, we use the substitution method with u=1-x^2:

∫1/(1-x2)dx =∫du/u (substitute u=1-x2)
= ln|u| + C (integrate with respect to u)
= ln|1-x2| + C (substitute back in the original expression)
= ln|1-x2| + C (substitute back in the original expression)
= arctan(x) + C (use the identity ln|1-x2| = arctan(x))

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The fact that both rays are equal in the case at hand is not given, hence the incorrect statement will be (A) AB = AC.

By selecting a curve that is perpendicular to the wavefronts of the actual light and points in the direction of energy flow, one can create an idealized geometrical model of light or other electromagnetic radiation known as a ray in the field of optics.

By segmenting the actual light field into discrete rays that can be computationally propagated across the system using ray tracing techniques, rays are used to mimic the propagation of light through an optical system.

As a result, even extremely complicated optical systems can be mathematically or computationally investigated.

For as long as light waves travel through and around objects whose dimensions are significantly larger than the light's wavelength, approximate solutions to Maxwell's equations are appropriate for use in ray tracing.

So, in the given situation it is nowhere given that both rays are equal, and hence the wrong statement will be AB = AC.

Therefore, the fact that both rays are equal in the case at hand is not given, hence the incorrect statement will be (A) AB = AC.

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7/13 as a decimal rounded to the nearest hundredth.

Answer: 0.54

Answer: The answer is 0.54

Gabriel is 19 years old and Caroline is 14 years old

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

Aaron has two children, Gabriel and Caroline. Gabriel is older than Caroline. The difference of their ages is 5. The sum of their ages is 33.

Let C represent Caroline's age and G represent Gabriel's age.

Hence, We can formulate;

The difference of their ages is 5.

⇒ G - C = 5  .. (i)

The sum of their ages is 33.

⇒ G + C = 33 .. (ii)

Add (i) and (ii);

⇒ 2G = 38

⇒ G = 19 years

And, From (i);

⇒ G - C = 5

⇒ 19 - C = 5

⇒ 19 - 5 = C

⇒ C = 14 years

Thus, Gabriel is 19 years old and Caroline is 14 years old.

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Hence, the three numbers are 8, 1, and 3

Answer:

Here is my original puzzle problem:

* * *

There are three coins, each with a different value. The sum of the three coins is 10. The value of the first coin is twice the value of the second coin. The value of the third coin is 1 more than the value of the first coin.

What are the values of the three coins?

_________________

To solve this puzzle, you can use the following steps:

1. Let X be the value of the first coin.

2. Let Y be the value of the second coin.

3. Let Z be the value of the third coin.

4. Set up equations to represent the given information.

5. Solve the equations for X, Y, and Z.

The equations for this puzzle are as follows:

X + Y + Z = 10

X = 2Y

Z = X + 1

Solving these equations, we find that the values of the three coins are X = 4, Y = 2, and Z = 5.

I hope you enjoy this puzzle!

The inequality representing the number system in which only the whole numbers less than 5 are used is given as follows:

{x ∈ W| x < 5}.

The four inequality symbols, along with their meaning, are presented as follows:

The inequality representing numbers less than 5 is given as follows:

x < 5.

As the numbers are whole numbers, the inequality is defined as follows:

{x ∈ W| x < 5}.

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While looking at the critical points of a function f(x) is a useful first step in finding its maxima and minima, it is not enough by itself to determine all of them.

The statement is partially correct. If a function f(x) is continuous on a closed interval, it is possible to find its absolute maxima and minima by looking at the points where f'(x) = 0, but this is not enough to guarantee that you have found all of them.

The reason why this is the case is because the condition f'(x) = 0 only identifies critical points, which are points where the function may have an extremum (either a maximum or a minimum). To determine whether a critical point is indeed a maximum or a minimum, you need to analyze the behavior of the function near the critical point.

One way to do this is by using the second derivative test, which states that if f(x) is twice differentiable and f''(x) > 0 at a critical point x, then f(x) has a local minimum at x. Similarly, if f''(x) < 0 at a critical point x, then f(x) has a local maximum at x.

You also need to use additional tools, such as the second derivative test, to verify whether the critical points are indeed extrema.

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Answer:At low tide the water reaches the 1-foot mark. Assume that high tide occurs at 12 noon and at midnight, and that low tide occurs at 6 pm and 6 am.

Step-by-step explanation:

The Marginal product is equal to the difference between the output and the input.

The term "marginal product" refers to the extra output that is created when one more unit of a specific input (such as labour or capital) is added to the manufacturing process while keeping other inputs constant.

The marginal product equation is:

Marginal Product is equal to the difference between the output and the input.

Where:

Change in Total Product (CTP) is the term used to describe how the firm's overall output changes when an additional unit of input is added during the manufacturing process.

The term "change in input" describes how much of an input is changed during the manufacturing process.

To put it another way, the marginal product method calculates the extra output brought on by a unit increase in input.

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The point 3/4th of the way from point A to point B is (3.25, -1.25).

What is the coordinate geometry?

In geometry, a coordinate system is a system that uses one or more numbers, or coordinates, to uniquely determine the position of the points or other geometric elements

To determine the point 3/4th of the way from point A to point B, we can use the midpoint formula to find the coordinates of the midpoint M of the line segment AB, and then use those coordinates to find the point 3/4th of the way from point A to point B.

The midpoint M of the line segment AB can be found using the midpoint formula:

M = ((x1 + x2)/2, (y1 + y2)/2)

where (x1, y1) and (x2, y2) are the coordinates of points A and B, respectively.

Substituting the given coordinates, we get:

M = ((3 + 4)/2, (2 - 3)/2) = (3.5, -0.5)

Now we can find the point 3/4th of the way from point A to point B by starting at point A and moving 3/4th of the way towards point B. To do this, we can use the following formula:

P = ((1 - 3/4)*x1 + (3/4)*x2, (1 - 3/4)*y1 + (3/4)*y2)

Substituting the coordinates of points A and B, we get:

P = ((1 - 3/4)*3 + (3/4)*4, (1 - 3/4)2 + (3/4)(-3)) = (3.25, -1.25)

Hence, the point 3/4th of the way from point A to point B is (3.25, -1.25).

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The graph of given inequalities is plotted on the number line is attached below.

Inequalities are the mathematical expressions in which both sides are not equal. In inequality, unlike in equations, we compare two values. The equal sign in between is replaced by less than (or less than or equal to), greater than (or greater than or equal to), or not equal to sign.

The given inequalities are x≥6 and 15.5>x.

The solution set of the inequality x≥6 is

{6, 7, 8, 9, 10, 11, 12, 13, 14,......}

Interval Notation: [6,∞)

x<15.5

Interval Notation: (−∞, 15.5)

Therefore, the solution set of the inequality x≥6 is {6, 7, 8, 9, 10, 11, 12, 13, 14,......}.

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Step-by-step explanation:

Looks like this was scaled by 5 because

2 x 5 = 10

4 x 5 = 20

5 x 5 = 25

CAB ..

CA is 5

HJ is 25

AB is 2

JG is 10

CAB = HJG

The value of x is 0.85 of the equation.

Two or more expressions with an Equal sign is called as Equation.

Let the given equation be 4x+2=5.4

We need to find the value of x

Substitute 2 from both sides

4x=5.4-2

4x=3.4

Divide both sides by 4

x=0.85

Hence, the value of x is 0.85 of the equation.

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The solution to the equation is x = 0 or x = 2πn, where n is an integer.

Starting with the given equation:

sec(x) + tan(x) = 1

We know that sec(x) is equal to 1/cos(x), so we can substitute that in:

1/cos(x) + sin(x)/cos(x) = 1

Combining the two fractions on the left side:

(1 + sin(x))/cos(x) = 1

Cross-multiplying to eliminate the fraction:

1 + sin(x) = cos(x)

Now, we can use the Pythagorean identity to substitute in for sin(x)^2:

1 + (1 - cos(x)^2) = cos(x)

Simplifying:

2 - cos(x)^2 = cos(x)

Rearranging:

cos(x)^2 + cos(x) - 2 = 0

This is a quadratic equation in terms of cos(x), so we can use the quadratic formula:

cos(x) = (-1 ± sqrt(1 + 8))/2

cos(x) = (-1 ± 3)/2

cos(x) = -2 or cos(x) = 1

Since cos(x) can't be negative, we can discard the -2 solution, leaving us with cos(x) = 1. This means that x must be 0 or a multiple of 2π. Checking our work, we can see that when x = 0:

sec(0) + tan(0) = 1 + 0 = 1

So x = 0 is indeed a valid solution.

Therefore, the solution to the equation is x = 0 or x = 2πn, where n is an integer.

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Sin 2 is the integral of -cos 2 plus c, where c is a constant integration equation sin2x dx = -cos2x + c.

1. Calculate sin 2 integral.

2. Apply the integration equation sin2x dx = -cos2x + c.

3. Increase the outcome by the constant C.

Sin 2 is the integral of -cos 2 plus c, where c is a constant. This integral must be calculated in several steps. Take the integral of sin 2 first. Use the integration formula sin2x dx = -cos2x + c to do this. According to this equation, the integral of sin 2 is equal to cos -2/c plus a certain constant. The next step is to add the constant c to the outcome after using this formula. This will result in the integral of sin 2 having a final value of -cos 2 + c. Any actual number may be used as the constant c, and the value will vary depending on the circumstances. It's crucial to keep in mind that the constant c must always be a part of the outcome.

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Answer:

Step-by-step explanation:

The percent yield formula is used to calculate the efficiency of a chemical reaction in producing a desired product. It is defined as the ratio of the actual yield of a product to its theoretical yield, expressed as a percentage.

The formula for percent yield is:

Percent Yield = (Actual Yield / Theoretical Yield) * 100%

where:

Actual Yield is the amount of product actually produced in the reaction.

Theoretical Yield is the maximum amount of product that could be produced in a reaction under ideal conditions, calculated from the stoichiometry of the reaction.

By using this formula, you can determine how well a reaction is performing and identify areas for improvement to increase the yield of the desired product.

Answer:

The probability that two independent events will both occur can be calculated by multiplying the probabilities of the individual events. If event A has probability p(A) and event B has probability p(B), then the probability that both events A and B occur is given by:

p(A and B) = p(A) * p(B)

This relationship holds because the occurrence of event A does not affect the occurrence of event B, and vice versa. Hence, the two events are considered to be independent.

For example, if event A has a probability of 0.6 of occurring and event B has a probability of 0.7 of occurring, then the probability that both events will occur is 0.6 * 0.7 = 0.42.

The line plots that represent the data sets are:

Mean = 6, standard deviation = 2 → image 1

Mean = 10, standard deviation = 2 → image 2

Mean = 10, standard deviation = 6 → image 4

A line plot is a simple way to display data along a number line. It is used to show the distribution of a set of data by plotting each data point as a dot above its value on the number line. The dots are then connected with a line to create a plot.

Line plots are often used to visualize the frequency distribution of a dataset, particularly when the data is discrete or categorical. They are also useful for identifying outliers and patterns in the data.

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[tex](\stackrel{x_1}{5}~,~\stackrel{y_1}{8})\hspace{10em} \stackrel{slope}{m} ~=~ 1 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{8}=\stackrel{m}{ 1}(x-\stackrel{x_1}{5})\implies {\Large \begin{array}{llll} y=x+3 \end{array}}[/tex]

It is not possible to make a ratio between 2kg and 3m, as the measures have different units of measurement.

The ratio between two amounts a and b is obtained applying a proportion, dividing the amount a by the amount b.

The division can only be calculated if the two amounts have the same unit of measurement, for example, if both are kg or if both are m.

As 2 kg and 3 m have different units of measurement, a ratio cannot be calculated between these two units.

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Since an adult ticket costs $13, a child ticket is $8, and expression 3a+5c indicates the price in dollars for a family to attend the game, the total cost is $79 for the event.

Increasing, partitioning, adding, or reducing are all doable in mathematics. As an example, take this expression: Function is defined, equation, and number The components that compose an algebraic equations are numbers, variables, but rather functions (such as addition, subtraction, multiplication or division etc.) One can differentiate two terms or sentences. The terms "expression" or "algorithmic expression" refer to any detailed estimate that suitable parameter, numbers, or an arithmetic action among both them. For instance, the phrase 4m + 5 consists of the terms 4m but also 5, as well as the number m from the given expression, which are all separated by that of the arithmetic symbol +.

given

expression 3a+5c represents the cost

3a + 5c

=  5 * 8 +  3 * 13

= 39 + 40

= 79

Since an adult ticket costs $13, a child ticket is $8, and expression 3a+5c indicates the price in dollars for a family to attend the game, the total cost is $79 for the event.

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Answer:240

Step-by-step explanation:

The true response would be 15,488/7 square centimeters based on the information provided.

Square offers businesses a range of goods and services to help them complete sales transactions, use marketing strategies, and control their finances, inventory, and workforce.

The lateral surface (the curved portion of the cylinder) is added to the areas of a round top and bottom to figure out the surface surface of the cylindrical cheese wheel. The perimeter of the base (2πr, where r is the radius) as well as the height can be used to compute the lateral surface area. Each round top and bottom's surface area is πr².

Hence, the cheese wheel's overall surface area is:

(2πr × h) + (2πr²)

Inputting the values provided yields:

(2 × 22/7 × 22 × 16) + (2 × 22/7 × 22 × 22)

When we simplify and find the total area of the surface, we obtain:

15,488/7 square centimeters

As a result, 15,488/7 square centimeter of the cheese wheel are covered by the label.

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The radius of the cylinder is 2.26 ft

The cylinder has a volume of 400 cubic feet

The height of the cylinder is 25 feet

The radius of the cylinder can be calculated as follows

radius= √ v/πh

= √ 400/(3.142)(25)

√ 400/ 78.55

= √ 5.09

= 2.26

Hence the radius of the cylinder is 2.26 ft

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Answer:

The percentage increase can also be calculated using this method. Imagine you have a function that adds the number 1 to a number between 0 and 10, which we call T. Now the percentage of the function's answer will be the percentage increase from T.

[tex]f=1+t\\t=0-10\\d=f\frac{t}{100} = percentage- f- of- t[/tex]

With this method, we obtain the percentage increase of the f function.

Step-by-step explanation:

Answer:

You check a solution to an equation by replacing the variable in the equation with the value of the solution

Step-by-step explanation:

The equivalent of the expression -2w-9+5w+3 is 3(w-2)

Equivalent expressions are expressions that work the same even though they look different. If two algebraic expressions are equivalent, then the two expressions have the same value when we plug in the same value(s) for the variable(s). Examples is 2x+ 6y is equivalent to 2(x+3y)

The expression -2w-9+5w+3 can be factorized;

collect like terms

-2w-9+5w+3 = -2w+5w-9+3

= 3w-6

= 3( w-2)

therefore the equivalent of the expression -2w-9+5w+3 is 3(w-2)

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