how can you explain the answer 4 divided by 5

Angles of a triangle added together equal 180

A=180-143=37

B is 145 b/c like angles

C=A b/c lines are similar

D=143-85=58

E=C b/c like angles

F=90-E=53

G=48

H=180-48-G=180-48-48=84

K=180-H=96

M=180-K-D=180-96-58=26

P=180-85-M=69

R=180-P=180-69=111

S=P

The curved surface area of the cylindrical container is approximately 6782.3 \(cm^2.\)

To calculate the curved surface area of a cylindrical container, we need to find the lateral surface area.

The lateral surface area of a cylinder is given by the formula 2πrh, where r is the radius of the base and h is the height of the cylinder.

In this case, the radius of the cylindrical container is 30 cm and the height is 36 cm. Plugging these values into the formula, we have:

Lateral surface area = 2π(30 cm)(36 cm)

= 2160π cm².

The curved surface area of the cylindrical container is approximately 6782.4 .\(cm^2.\)

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Answer:

270 miles is your answer

Step-by-step explanation:

the expected number of tosses to get the first heads is 2.75 tosses.

To calculate the expected number of tosses to get the first heads, we can consider the probabilities associated with each coin and their respective probabilities of getting heads.

Let's denote the expected number of tosses as E.

For coin A:

The probability of selecting coin A is 1/4, and the probability of getting heads with each toss is 1/2.

So, the expected number of tosses for coin A is 1 / (1/2) = 2.

For coin B:

The probability of selecting coin B is 3/4, and the probability of getting heads with each toss is 1/3.

So, the expected number of tosses for coin B is 1 / (1/3) = 3.

To find the overall expected number of tosses, we need to consider the probabilities of selecting each coin.

Expected number of tosses = (Probability of selecting coin A * Expected number of tosses for coin A) + (Probability of selecting coin B * Expected number of tosses for coin B)

Expected number of tosses = (1/4 * 2) + (3/4 * 3)

Expected number of tosses = 1/2 + 9/4

Expected number of tosses = 2/4 + 9/4

Expected number of tosses = 11/4

Expected number of tosses = 2.75

Therefore, the expected number of tosses to get the first heads is 2.75 tosses.

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Answer:

i think is 6 99 hope this helps you

Answer:

64

Step-by-step explanation:

123+(-1)/2-(-3)=

122/2=61

61+3=64

Answer:

1 inch = 7.5 feet.

Step-by-step explanation:

24 divided by 24 equals 1. 180 divided by 24 equals 7.5

Answer:

90%

Step-by-step explanation:

1 = 10%

10 - 1 = 9

9 x 10 = 90

=90%

Answer:

7.5 MW

Step-by-step explanation:

The power generated from a falling water is a function of its height and volume. The power generated an be calculated using the formula:

Power (P) = Density(ρ) * volume flow rate(Q) * acceleration due to gravity(g) * height(h)

P = ρQgh

But Qh = Velocity(v) * volume(V).

Hence power = ρvgV

Given that ρ of water = 1000 kg/m³, v = 75 m/s, V = 10 m³, g = 10 m/s². Substituting:

P = ρvgV = 1000 * 75 * 10 * 10 = 7500000 W

P = 7.5 MW

The feeling, or affect, that occurs when a person is in a state or an interaction that is important to the individual, especially to his or her well-being, is called "emotions."

Emotions are complex psychological and physiological states that are often characterized by subjective experiences, physiological changes, and behavioral responses. Emotions play a crucial role in human experience and have a significant impact on various aspects of our lives. They provide us with information about our environment, help us make decisions, and influence our social interactions.

Emotions can range from positive states like happiness and joy to negative states like sadness and fear. They are subjective experiences that vary in intensity and duration. Emotions can be influenced by various factors such as personal beliefs, cultural norms, and individual differences. Understanding and managing emotions is an important aspect of emotional intelligence and overall well-being.

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It must be less effective than 100%. Any time you switch from one source of energy to another, especially if there is effort involved, there is a cost.

An enzyme is a protein that must retain its three-dimensional structure in order for it to function as a "lock and key." A little alteration to the enzyme structure might render it inoperative.

Denaturation of proteins is common. The protein's structure can change as a result of environmental factors including pH and temperature. An increase in temperature should hasten the process, but an excessive increase might harm the enzyme. Therefore, the situation in which there is no change to the enzyme structure would be the "ideal" one.

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Note : The complete question could be as bellow,

A second set of measurements were taken, and the efficiency was found to be greater than 100%. What reasons most likely explain why the second set had a different efficiency? Select all that apply:

Used the reciprocal of the efficiency formula

Raised the resistance force in a shorter amount of time

Used the incorrect conversion factor from pounds to Newtons for force Incorrect values for the resistance distance

Inaccurate readings from force sensor for effort force

Increase efficiency from reduced friction

Refilling the container on a day with a temperature of 26.0°C would result in an additional profit of 1.232 pennies per gallon.

Initial temperature: \($4.0^\circ \text{C}$\)

Final temperature: \($26.0^\circ \text{C}$\)

Coefficient of volume expansion: \($2.80 \times 10^{-6}\) °C ⁻¹

First, we calculate the change in volume \(($\Delta V$)\) using the coefficient of volume expansion:

\(\[\Delta V = V \cdot \beta \cdot \Delta T\]\)

Where:

\($V$\) is the initial volume (1 gallon)

\($\beta$\) is the coefficient of volume expansion \(2.80 \times 10^{-6}\) °C ⁻¹

\($\Delta T$\) is the change in temperature \(($26.0^\circ \text{C} - 4.0^\circ \text{C} = 22.0^\circ \text{C}$)\)

\(\[\Delta V = 1 \cdot (2.80 \times 10^{-6}) \cdot 22.0 = 6.16 \times 10^{-5} \, \text{gallons}\]\)

Next, we calculate the price difference by multiplying the change in volume by the price per gallon:

\(\text{Price difference} = \Delta V \cdot \text{Price per gallon} = (6.16 \times 10^{-5}) \cdot 2 = 0.0001232 \, \text{dollars}\)

To convert this to pennies, we multiply by 100:

\(\text{Price difference in pennies} = 0.0001232 \times 100 = 0.01232 \, \text{dollars}\)

Therefore, you would make an additional 0.01232 dollars, or 1.232 pennies, per gallon by refilling the container on a day when the temperature is \($26.0^\circ \text{C}$\).

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Answer:

37

Step-by-step explanation:

Answer:

x = - 1/2

Step-by-step explanation:

x - 2 = 3x - 1    We have to subtract x from both sides of the equation and we    have to add 1 to both sides of the equation.

-1 = 2x           Divide 2 from both sides of the equation

x = - 1/2           <-- This is your answer

Hope this helps!

Answer:

16

notice how a right triangle was formed, and the Pythagorean theorem could be used to solve this :

a^2 + b^2 = c^2

a^2 + 15^2 = 17^2

a^2 + 225 = 289

a^2 = 64

a= 8

multiply it by 2 to get the side of the base

8 * 2 = 16

Based on the image, it can be inferred that the temperature is 40°C.

In the image you can see a thermometer that has different temperature measurements from -10°C to 60°C. In this thermometer the temperature is marked as indicated by the liquid inside the thermometer, that is, the black part inside.

According to the above, the temperature that this thermometer marks would be 40 ° C, this means that the temperature of that place is very warm. Additionally, we know that they are °C because at the bottom it is referenced with a symbol of the letter "°C". There are other types of degrees such as Fahrenheit or Kelvin.

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Answer:

Step-by-step explanation:

3x (4x – 5) + 3

3x (4x – 5) + 3 = (3x × 4x) – (3x × 5) + 3

3x (4x – 5) + 3 = 12x2 – 15x + 3

Substitute the value of (i) x = 3 in 12x2 – 15x + 3

12x2 – 15x + 3

Put x = 3

⇒ 12 × (32) – (15 × 3) + 3

⇒ 12 × 9 – 45 + 3

⇒ 108 – 45 + 3

⇒ 66

Substitute the value of (ii) x =1/2 in 12x2 – 15x + 3

12x2 – 15x + 3

Put = 1/2

⇒ 12 × (1/2)2 – (15 × 1/2) + 3

⇒ 12 × 1/4 – (15 × 1/2) + 3

⇒ 3 – 15/2 + 3

⇒ 6 – 15/2

⇒ (12 – 15)/2

⇒ -3/2

Answer:

43 degrees sorry if wrong im bad a t angles

Step-by-step explanation:

The sum of two Toeplitz matrices is a Toeplitz matrix, but the product of two Toeplitz matrices may not be a Toeplitz matrix.

The sum of two Toeplitz matrices is indeed a Toeplitz matrix. A Toeplitz matrix is a matrix in which each descending diagonal from left to right is constant. When you add two Toeplitz matrices, each corresponding element from the two matrices is added together. Since the constant values on the descending diagonals remain the same, the sum of the two Toeplitz matrices will also have constant values on the descending diagonals. Therefore, the sum of two Toeplitz matrices is still a Toeplitz matrix.

On the other hand, the product of two Toeplitz matrices may not necessarily be a Toeplitz matrix. The product of two matrices is obtained by multiplying each element from the first matrix with the corresponding element from the second matrix and summing the results. In general, this operation may change the structure of the matrix, including the constant values on the descending diagonals. Therefore, the product of two Toeplitz matrices may not exhibit the constant values on the descending diagonals, and hence, it may not be a Toeplitz matrix.

In summary, the sum of two Toeplitz matrices is a Toeplitz matrix, but the product of two Toeplitz matrices may not be a Toeplitz matrix.

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Lines l and m are parallel; line l will map onto line m with a 90° rotation; line l can map onto line m with a vertical line of reflection.

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The translation of the graph from y = x² to y = (x - 2)² +1 is describe by - B.   shift of 2 units left and then shift of 1 unit up.

In geometry, a translation is a transfer that occurs either horizontally to a left or right as well as vertically up or down. It may also consist of a mix of the two.

Given data:

Parent function- y = x²

New function -  y = (x - 2)² +1

Thus, the translation of the graph from y = x² to y = (x - 2)² +1 is describe by - B.   shift of 2 units left and then shift of 1 unit up.

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Complete question:

1. Which of the following most accurately describes the translation of the graph from y = x² to y = (x - 2)² +1?

A.  shift of 2 units right and then shift of 1 unit up.

B.   shift of 2 units left and then shift of 1 unit up.

Pilot should take reverse bearing, calculated using atan2(East,North),converted in degrees.

What is radian ?

A radian is a unit of measurement for angles. It is defined as the ratio of the length of an arc of a circle to the radius of that circle. One radian is approximately 57.3 degrees. Radians are often used in mathematics, physics, and engineering because they allow for a more natural way of measuring angles and help simplify certain calculations.

To find the bearing, we can use the formula ,

Bearing = atan2(East, North)

Where East is the number of miles east of the airport and North is the number of miles north of the airport.

The atan2 function is a variation of the arctangent function, which returns the angle (in radians) whose tangent is the quotient of its two arguments. This function is defined for all real arguments and returns a value between -π and π.

So you can convert the bearing from radians to degrees using the formula ,

degrees = bearing * (180/π)

Pilot should take reverse bearing, calculated using atan2(East,North),converted in degrees.

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Answer:

Angle

Step-by-step explanation:

Comparing A and B in three ways, we get ratio of A to B is 0.0086, ratio of B to A is  116.28

The question compares A and B in three ways,

where A= 1.97 million is the 2012 daily circulation of newspaper X and

B = 229 million is the 2012 daily circulation of newspaper Y:

The ratio of A to B is 0.0086.

The ratio of B to A is 116.28.

A is 0.86 percent of B.

To find the ratio of A to B, divide A by B:

Ratio of A to B= A/B

= 1.97/229

= 0.0086 (rounded to four decimal places)

To find the ratio of B to A, divide B by A:

Ratio of B to A= B/A

= 229/1.97

= 116.28 (rounded to two decimal places)

To find what percent A is of B, divide A by B and then multiply by 100:

A/B= 1.97/229

= 0.0086 (rounded to four decimal places)

A is 0.86 percent of B. (rounded to the nearest integer)

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Por lo tanto, la función del polinomio de cuarto grado que corta en los puntos -3, -1, 1 y 3, y pasa por el punto P(0,9) es f(x) = (-1/2)x^4 + 5x^2 - 9/2.

Para obtener la función del polinomio de cuarto grado que corta en los puntos -3, -1, 1 y 3, primero necesitamos saber las raíces del polinomio. Sabemos que el polinomio corta en los puntos -3, -1, 1 y 3, lo que significa que las raíces del polinomio son -3, -1, 1 y 3. Entonces, podemos escribir el polinomio de cuarto grado como:

f(x) = a(x + 3)(x + 1)(x - 1)(x - 3)

Donde "a" es una constante que determina la escala vertical del polinomio.

Ahora necesitamos encontrar el valor de "a" para que el polinomio pase por el punto P(0,9). Sustituyendo x=0 y f(x)=9 en la ecuación anterior, obtenemos:

9 = a(0 + 3)(0 + 1)(0 - 1)(0 - 3)

9 = -18a

a = -1/2

Por lo tanto, la función del polinomio de cuarto grado es:

f(x) = (-1/2)(x + 3)(x + 1)(x - 1)(x - 3)

Podemos simplificar esta expresión multiplicando los términos del binomio:

f(x) = (-1/2)(x^2 - 9)(x^2 - 1)

f(x) = (-1/2)(x^4 - 10x^2 + 9)

f(x) = (-1/2)x^4 + 5x^2 - 9/2

Por lo tanto, la función del polinomio de cuarto grado que corta en los puntos -3, -1, 1 y 3, y pasa por el punto P(0,9) es f(x) = (-1/2)x^4 + 5x^2 - 9/2.

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The amount of data compression an algorithm can produce is reliant upon:

Opiton B) Several patterns in the data.

Data compression is the process of reducing the size of a file by encoding its data information more efficiently. The more patterns in the data, the more efficiently it can be compressed.

An algorithm is a set of instructions that are used to complete a task, such as compressing data. If there are several patterns in the data, the algorithm can use these patterns to create a smaller, more efficient representation of the file, resulting in greater data compression.  This means that if there are repeating parts of the file being compressed, the algorithm can make use of that to reduce the size of the file.

However, the size of the file (whether it's large or small) does not necessarily affect the amount of data compression.

Therefore, the amount of data compression an algorithm can produce is reliant upon the presence of several patterns in the data.

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Answer:

266.9 feet

Step-by-step explanation:

Find the radius

85 ÷ 2 = 42.5

Find the circumference

2 × 3.14 × 42.5 = 266.9 feet

Answer:

1. 11cm

2. 31.2cm

3. 20m

4. 11cm

5. 314feet

Step-by-step explanation:

1. 5.5 × 2 = 11cm

2. 15.6 × 2 = 31.2cm

3. 40m ÷ 2 = 20m

4. From the centre of a circle to the edge is the radius of a circle.

5. Circumference = πD

D = 2r = 2 × 50 = 100

π × 100 = 314feet