1/5 ÷ 2/9 ..........​

Answer:

24.99

Step-by-step explanation:

25.9-6.91=24.99

Answer:

Step-by-step explanation:

11x - 8 = 80

11x = 88

x = 8

Answer:

The area of the quadrilateral ABCD for this case is of 4 square units.

The quadrilateral ABCD in the context of this problem represents a diamond, hence it's area is given by half the product of the diagonal lengths of the diamond.

The lengths for each diagonal of the diamond are given as follows:

The product of the diagonal lengths is given as follows:

AC x BD = 2 x 4 = 8 square units.

Hence half the product of these diagonal lengths, representing the area of the quadrilateral, is given as follows:

0.5 x 8 square units = 4 square units.

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The correct answer is c. Line graphs show the change in one or more variables progressively across time.

Histograms show the distribution of data, pie charts show the proportions of a whole, bar charts compare categories or groups, and diagrams show the relationships between different elements.

The correct answer is c. Line graphs show the change in one or more variables progressively across time

A histogram is a visual depiction of data distribution in statistics. The histogram is shown as a collection of neighbouring rectangles, where each bar represents a certain type of data. Numerous fields use statistics, which is a branch of mathematics. Frequency, which can be expressed as a table and is known as a frequency distribution, is the repeating of numbers in statistical data.

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Line graphs show the change in one or more variables progressively across time. C

A line graph is a type of chart that displays data as a series of data points connected by straight lines.

The horizontal axis of the graph typically represents time, while the vertical axis represents the value of the variable being measured.

By connecting the data points with lines, a line graph can show the trend or pattern of change in the variable over time.

Line graphs are commonly used in fields such as economics, finance, and science to visualize trends in data over time.

They can be used to identify patterns, compare different variables, or forecast future trends.

In contrast, histograms, pie charts, bar charts, and diagrams are different types of charts that are used to display data in different ways.

Histograms are used to show the distribution of data within a single variable, while pie charts and bar charts are used to compare different categories or groups of data.

Diagrams are used to represent complex systems or relationships, often using visual symbols or icons to represent different components.

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Answer:

A"= -5,2

B"= -6,-1

C"= -4,0

(I think these are right)

Answer:

A=(5,2)

B=(5,1)

C= (3,0)

Step-by-step explanation:

Answer:

yes, absolutely. specifically it's a horizontal line at 6.

The differential equation corresponding to the general solution y(x) = (1 + C2x + e2x (Czcosx + C4sinx)) is y'' - 4y' + (4 + 2Cx) y = 0.

The given general solution y(x) = (1 + C2x + e2x (Czcosx + C4sinx)) represents a linear combination of terms involving constants C2, Cz, and C4, as well as exponential and trigonometric functions of x. To determine the corresponding differential equation, we need to find the second derivative of y(x) and substitute it into the differential equation form: y'' - 4y' + (4 + 2Cx) y = 0.

Taking the first derivative of y(x) and simplifying, we obtain y'(x) = 2C2 + 2Ce2x(Czcosx + C4sinx) + 2Czcosx + 2C4sinx.

Differentiating y'(x) again and simplifying, we find y''(x) = -2Ce2x(Czcosx + C4sinx) + 2Czcosx + 2C4sinx - 4Cze2xsinx + 4C4e2xcosx.

Substituting y''(x) and y'(x) into the differential equation form, we have (-2Ce2x(Czcosx + C4sinx) + 2Czcosx + 2C4sinx - 4Cze2xsinx + 4C4e2xcosx) - 4(2C2 + 2Ce2x(Czcosx + C4sinx) + 2Czcosx + 2C4sinx) + (4 + 2Cx)(1 + C2x + e2x(Czcosx + C4sinx)) = 0.

Simplifying the equation further, we can rearrange the terms and collect like terms to obtain the final differential equation: y'' - 4y' + (4 + 2Cx) y = 0.

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The smallest positive integer n for which n^2 is divisible by 18 and n^3 is divisible by 640 is 120

The modulo (or "modulus" or "mod") is the remainder after dividing one number by another.

The smallest integer is 120, since:

\(120^{2}\) mod 18 = 0, (reminder after dividing \(120^{2}\) by 18 is 0) and

\(120^{3}\) mod 640 = 0 (reminder after dividing \(120^{3}\) by 18 is 0)

Hence, The smallest positive integer n for which n^2 is divisible by 18 and n^3 is divisible by 640 is 120.

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Given:

The points are M(6,16) and Z(-1,14).

To find:

The distance between given points.

Solution:

Distance formula:

\(d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\)

So, the distance between two points M(6,16) and Z(-1,14) is

\(d=\sqrt{(-1-6)^2+(14-16)^2}\)

\(d=\sqrt{(-7)^2+(-2)^2}\)

\(d=\sqrt{49+4}\)

\(d=\sqrt{53}\)

\(d=7.28011\)

\(d\approx 7.3\)

Therefore, the distance between given points is 7.3 units.

Answer:

2x + 3x + 5x = 180

10x = 180

x = 18

2x = 36, 3x = 54, 5x = 90

They add up to 180 (definition of sum of angles of a triangle.)

Step-by-step explanation:

#g o o g l e

The angle PQS is 71 degrees and the angle PQR is 142 degrees.

The line or line segment that divides an angle into two equal pieces is known as the bisector of an angle, also known as the internal angle bisector. The angle is defined as the span between two intersecting lines or surfaces at or close to the point where they meet.

Given that line, QS is bisecting the angle PQR into two angles RQS and PQ. The angle bisector bisects the two angles into two equal halves.

PQR = RQS

PQS = 71 degrees

PQR = PQR + RQS = 142 degrees

Therefore, the angle PQS is 71 degrees, and the angle PQR is 142 degrees.

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Answer:

y-inter10

Explanation:

Given the function f(x) defined below:

The y-intercept of any function is the value of f(x) when x=0.

The y-intercept of f(x) is 10.

The range of the number of heads we can expect with 95% confidence is:

Range = 37.5 +/- 8.49

Range = (29.01, 45.99)

The expected number of heads when flipping a fair coin is equal to the probability of getting a heads, which is 0.5, multiplied by the number of flips.

The expected number of heads in 75 flips is:

Expected number of heads = 0.5 × 75 = 37.5

The standard deviation for the number of heads can be calculated using the formula:

Standard deviation = \(\sqrt{(n \times p \times (1-p))\)

n is the number of trials (75 in this case) and p is the probability of success (getting a heads, which is 0.5).

The standard deviation for the number of heads in 75 flips is:

Standard deviation = \(\sqrt{(75 \times 0.5 \times (1-0.5))\) = \(\sqrt{(18.75)\) = 4.33 (rounded to two decimal places)

The range of the number of heads that can be expected with a certain level of confidence can be calculated using the formula:

Range = z × standard deviation

z is the number of standard deviations from the mean that corresponds to the desired level of confidence.

If we want to be 95% confident that the true number of heads falls within the range, we use a z-score of 1.96, which corresponds to the 95% confidence level.

The range of the number of heads we can expect with 95% confidence is:

Range = 1.96 × 4.33 = 8.49 (rounded to two decimal places)

So we can expect to get around 37.5 heads, give or take 8.49.

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Connor can use multiplication to find the area of the picture by multiplying each sides and this will be equal to 25 unit².

It should be noted that the area of the rectangle will be the multiplication of the sides. Based on the information, ech unit square is 1 square inch. So far, he has made 3 rows with 5 unit squares in each row and he also sees that there will be 2 more rows of 5.

Therefore, Connor can use multiplication to find the area of the picture by illustrating thus:

= (3 × 5) + (2 × 5)

= 15 + 10

= 25 unit²

In conclusion, Connor can use multiplication to find the area of the picture by multiplying each sides and this will be equal to 25 unit².

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The values of x such that the graph of f has a horizontal tangent are;x = 2π/3 + 2πn, 4π/3 + 2πn, where n is an integer.

1. The given derivative can be found by finding the first few derivatives and observing the pattern that occurs as shown below;Differentiating sin x with respect to x gives the derivative cos x. Continuing this process, the pattern that emerges is that sin x changes sign for every odd derivative, and stays the same for every even derivative. Therefore the 115th derivative of sin x can be expressed as follows;(d115/dx115)(sin x) = sin x, for n = 58 (where n is an even number)2. To find the values of x such that the graph of f has a horizontal tangent, we differentiate f with respect to x, and then solve for x such that the derivative equals zero. We have;f(x) = x + 2sin xDifferentiating f(x) with respect to x gives;f'(x) = 1 + 2cos xFor a horizontal tangent, f'(x) = 0, thus;1 + 2cos x = 02cos x = -1cos x = -1/2The solutions of the equation cos x = -1/2 are;x = 2π/3 + 2πn or x = 4π/3 + 2πnwhere n is an integer. Therefore the values of x such that the graph of f has a horizontal tangent are;x = 2π/3 + 2πn, 4π/3 + 2πn, where n is an integer.

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Answer: you need to give some type of an equation for all three

Step-by-step explanation:

An inequality representing c, the total number of 40-kilogram crates that can be loaded into the shipping container is; 7700 + (40c) ≤ 27500

The maximum number of 40 kg crate is 380.

We are given;

Weight of the crate = 40 kg

Greatest weight that the container can load = 27500 kg

Weight of the other shipments on the container = 7700 kg

The greatest number of 40 kg crates is represented by the letter "c".

Thus;

The weight of the other shipment + weight of crate x number of crates ≤ greatest weight of the container

Plugging in the relevant values gives;

7700 + (40c) ≤ 27500

7700 + 40c ≤ 23000

40c ≤ 27500 - 7700

40c ≤ 19800

c ≤ 19800/40

c ≤ 495

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Answer:

24 i thik?

Step-by-step explanation:

Answer:

51 students were on each bus

Step-by-step explanation:

\(364 - 7 = 357\)  (7 is the number leftover students)

\(357 / 7 = 51\) (7 is the number of buses)

51 is how many students are in each bus

ps, can you please give me brainly

Answer:

There are seven positions to be filled to form 7 letter words using the letters in the word PROBLEM.

Hope this helps!!!

There are 2 ways to arrange the letters in the word "PROBLEM" while keeping the consonants in their original order, using permutation.

The word "PROBLEM" has 7 letters

Number of  consonants = 5

Number of  vowels = 2

The problem can be solved using the rule of permutation.

The number of ways the vowels (O and E) can be arranged among themselves is given by the permutation of 2 objects taken all at a time, which is denoted as P(2, 2) or simply 2!.

P(2, 2) = 2! = 2 × 1 = 2

So, the vowels (O and E) can be arranged in 2 ways.

Therefore, the total number of ways the letters in the word "PROBLEM" can be arranged is 2 (the arrangements of vowels O and E).

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False. Each triangle in the STL file is defined by the vertices, but not necessarily by the inward pointing surface normal vector. The surface normal vector is often calculated based on the vertex positions.

False. The STL file is a mesh representation of the CAD model, and it does not contain all the information needed to fully reconstruct the original CAD model. It lacks information such as parametric features, assembly relationships, and design intent, making it difficult to recreate the exact original model.

The option "Increasing the heat exchange area for a heat exchanger" is NOT an advantage of using a lattice structure. Lattice structures are known for their lightweight properties, material-saving benefits, and simplified design and manufacturing processes.

However, increasing the heat exchange area for a heat exchanger is not typically associated with lattice structures. Heat exchangers usually rely on other design considerations, such as fin arrays or extended surfaces, to enhance heat transfer efficiency, rather than lattice structures.

Therefore, increasing heat exchange area is not a direct advantage of lattice structures.

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The final answer is (1 + 21√2)/(21√2). The process of rationalization involves changing the form of an expression to eliminate radicals from its Denominator, or to eliminate denominators from a radical expression.

To rationalize the denominator 1/7 + 3√2,

A rational number is a number that can be expressed as a ratio of two integers, with the denominator not equal to zero. The fraction 4/5, for example, is a rational number since it can be expressed as 4 divided by 5.

Step-by-Step SolutionTo rationalizes the denominator 1/7 + 3√2, we'll need to follow these steps.

Step 1: First, we need to create a common denominator for the two terms. The common denominator is 7. Thus, we can convert the expression to the following form:(1/7) + (3√2 × 7)/(7 × 3√2).

Step 2: Simplify the denominator to 7. (1/7) + (21√2)/(21 × 3√2).

Step 3: The numerator and denominator can now be simplified. (1 + 21√2)/(7 × 3√2).Step 4: Simplify further. (1 + 21√2)/(21√2).We have successfully rationalized the denominator!

The final answer is (1 + 21√2)/(21√2).

The final answer is (1 + 21√2)/(21√2). The process of rationalization involves changing the form of an expression to eliminate radicals from its denominator, or to eliminate denominators from a radical expression.

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$QS$ and $PR$ are parallel sides of the square, they have the same length, which is $10$. Therefore, we can conclude that $XM = NY = 10$.

Given the square $PQRS$ with side length $10$, the points $X$ and $Y$ are located outside the square such that $XQ < XS$ and $YR < YS$. We need to determine the relationship between the lengths of the segments $XY$, $QS$, and $PR$.

Since $XQ < XS$, we can conclude that $X$ lies between $Q$ and $S$. Similarly, since $YR < YS$, we can conclude that $Y$ lies between $R$ and $S$. Therefore, the segment $XY$ intersects the segments $QS$ and $PR$.

Let $M$ be the point of intersection between $XY$ and $QS$, and let $N$ be the point of intersection between $XY$ and $PR$. We can observe that $QS$ and $PR$ divide $XY$ into three segments: $XM$, $MN$, and $NY$.

Since $QS$ and $PR$ are parallel sides of the square, they have the same length, which is $10$. Therefore, we can conclude that $XM = NY = 10$.

In summary, we have $XM = 10$, $MN$, and $NY = 10$.

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Answer:   Look below

Please Set Brainliest if this helps you.

Step-by-step explanation:

From the information you provided, it can get 8,16,24,32,40,48,...
This depends on how much is in each container.

Answer: 9.7 seconds

Step-by-step explanation:

\(16t^2 =1503\\\\t^2 =1503/16\\\\t=\sqrt{1503/16} \text{ } (t > 0)\\\\t \approx 9.7\)

The disjunction of -p or -q can be written as (-p) v (-q). So, we have to find the truth value of (-p) v (-q). So, the compound statement for the disjunction of -p or -q is (-p) v (-q), and its truth value is true.

using the following statements: p: There are 14 inches in 1 foot.

q: There are 3 feet in 1 yard.

Solution: We know that 1 foot = 12 inches, which means that there are 14 inches in 1 foot can be written as 14 < 12. But this statement is false because 14 is not less than 12. Therefore, the negation of this statement is true, which gives us (-p) as true.

Now, we know that 1 yard = 3 feet, which means that there are 3 feet in 1 yard can be written as 3 > 1. This statement is true because 3 is greater than 1. Therefore, the negation of this statement is false, which gives us (-q) as false.

Now, we can use the values of (-p) and (-q) to find the truth value of (-p) v (-q) using the disjunction rule. The truth value of (-p) v (-q) is true if either (-p) or (-q) is true or both (-p) and (-q) are true. Since (-p) is true and (-q) is false, the disjunction of (-p) v (-q) is true. Hence, the compound statement for the disjunction of -p or -q is (-p) v (-q), and its truth value is true.

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Answer:

0.3

Step-by-step explanation:

Percent means 'per 100'. So, 30% means 30 per 100 or simply 30/100. If you divide 30 by 100, you get 0.3 (a decimal number). So, to convert from percent to decimal, simply divide by 100 and remove the '%' sign. There is a easy way to convert from percent to decimal: Just move the decimal point 2 places to the left.

Hope this helps :)

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