Hi please only answer number 4 thank you

Answer:

D

Step-by-step explanation:

10/2 + 5.2/2 = 7.6

Answer:

7.6cm

Step-by-step explanation:

Let's see - the midpoint of AB lies 10cm/2 from B and the midpoint of BC lies 5.2cm/2 from B in the other direction.

We can conclude that the midpoints are distant by

10cm/2 + 5.2cm/2 = 5cm + 2.6cm = 7.6cm

The unit m/s represents the speed of light. Therefore, the units of the right-hand side of the equation prove that the speed of light is represented in the equation.

The equation mentioned in the question is as follows; The SI units of magnetic permeability and permittivity of free space are Henry/meter and farad/meter respectively. In order to prove that the units given by the right-hand side of the equation are m/s, we need to perform the following steps: Substitute the values of magnetic permeability and permittivity of free space in the equation. Let's substitute µ0 and ε0 values in the above equation, we get; In order to perform this step, we need to know the units of each component in the equation. A unit of force is Newton, and a unit of charge is Coulomb. A magnetic field has the unit Tesla. Let's find out the units of the right-hand side component of the above equation. We can now rearrange the equation to make it simpler.!)

The unit m/s represents the speed of light. Therefore, the units of the right-hand side of the equation prove that the speed of light is represented in the equation.

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The  probability of drawing a queen, placing it back in the deck, and drawing any face card is approximately 1.78%, rounded to the nearest whole number.

Since Phil replaces the first queen back into the deck and shuffles, each draw is independent of the other. The probability of drawing a queen on the first draw is 4/52 = 1/13, and the probability of drawing a face card (other than a queen) on the second draw is 12/52 = 3/13.

The probability of both events occurring is the product of their individual probabilities:

P(drawing a queen and then a face card) = P(drawing a queen) × P(drawing a face card) = (1/13) × (3/13) = 3/169.

To express this probability as a percentage, we can multiply by 100 and round to the nearest whole number:

P(drawing a queen and then a face card) ≈ 1.78%.

Therefore, the probability of drawing a queen, placing it back in the deck, and drawing any face card is approximately 1.78%, rounded to the nearest whole number.

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The two lines 3 y - 2 x = 27 and 4 y - 2 x = 36 are parallel to each other because their slopes (i.e., -2/3 and -2/4) are equal.

Parallel lines are lines in a plane that do not intersect and are always the same distance apart. They have the same slope and will never meet, regardless of how far they are extended.

Therefore, the correct answer is as given above. It can be concluded that lines 3 y - 2 x = 27 and 4 y - 2 x = 36 are parallel lines to each other for their slopes (i.e., -2/3 and -2/4) are the same.

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The complete question goes thus:

Which statement is true about the lines 3−2=27 3 y - 2 x = 27 and 4−2=36 4 y - 2 x = 36 ?

A. lines 3 y - 2 x = 27 and 4 y - 2 x = 36 are parallel to each other

B. lines 3 y - 2 x = 27 and 4−2=36 are inequalities

C. lines 3−2=27 and 3 y - 2 x = 27 are the same

D. all lines are equal

Answer:

1. Yes and for 2. I don't know

Step-by-step explanation:

1. is a monomial because 21/27 is one group

Answer:

51 Yards

Step-by-step explanation:

Each side is 36 yards. split the square in half(corner to corner) making two right triangle use the pythagorean theorem (\(A^{2}\) + \(B^{2}\) =\(C^{2}\) ) to solve.

\(36^{2}\)+\(36^{2}\)= \(C^{2}\)

1296+1296= 2592

√2592= 50.911

50.911 rounds up to 51

The length of each walkway would be,

⇒ 51 yards

The Pythagoras theorem states that in a right triangle, the square of the hypotenuse is equal to the sum of the square of the other two sides.

We have to given that;

A school has a square courtyard and wants to create diagonal walkways.

Here, The length of each side of the courtyard is 36 yards.

Now, The length of each walkway would be,

⇒ √ 36² + 36²

⇒ √ 1296 + 1296

⇒ √ 2592

⇒ 50.91

⇒ 51 yards

Thus, The length of each walkway would be,

⇒ 51 yards

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Answer:

The answer would be y=3 x=1  

Answer:

Step-by-step explanation:

The awnser to this The 1x4)16 plus 18 and divided by the 3x2 u should be able to get your factor by negative 2, and negative 1 by 2 qnd 3.

Since, m and n are prime positive number. Therefore,

               m + n = 18 + 19 =037

The polynomial we are given is rather complicated, so we could use Rational Root Theorem to turn the given polynomial into a degree-2 polynomial. With Rational Root Theorem, x = 1, -1, 2, -2 are all possible rational roots. Upon plugging these roots into the polynomial, x = -2 and x = 1 make the polynomial equal 0 and thus, they are roots that we can factor out.

The polynomial becomes:

(x - 1)(x + 2)(x^2 + (2a - 1)x + 1)

Since we know 1 and -2 are real numbers, we only need to focus on the quadratic.

We should set the discriminant of the quadratic greater than or equal to 0.

(2a - 1)^2 - 4 ≥ 0.

This simplifies to:

a ≥ 3/2

or,

a ≤ - 1/2

This means that the interval (- 1/2 ,3/2) is the "bad" interval. The length of the interval where a can be chosen from is 38 units long, while the bad interval is 2 units long. Therefore, the "good" interval is 36 units long.

36/38 = 18/19

18+ 19 = 037

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Answer:

56%

Step-by-step explanation:

Reducing the picture by 80% and then by 70% gives a reduction of 56%

70% of 80 = 0.7 × 80 = 56%

The coordinates of a shape that will form a cone when rotated about the y-axis will form a triangle that is bounded by the y-axis, the x-axis, and a sloped straight line.

Given the above explantion, we find that the two other coordinates in conjunction with the coordinate W(0, 5) which will give us such a shape are:

- X(0, 0) and Y(3, 0)

See the shape in the figure below:

Therefore, the correct answer is option B

at first plot the point In graph after that measure thatt side and you ll get the answer . thank you

Step-by-step explanation:

please mark as a brainlist

Answer:

30x^5 Y^3

Step-by-step explanation:

Multiply 3x^2 y into 10x^3 y^2

3 times 10 is 30

x^2 times x^3 is x^5

y times y^2 is y^3

Just add them together and you got your answer

Answer:

\(=30x^5y^3\)

Step-by-step explanation:

\(\left(3x^2y\right)\left(10x^3y^2\right)\)

\(\mathrm{Apply\:exponent\:rule}:\quad \:a^b\cdot \:a^c=a^{b+c}\)

\(x^2x^3=\:x^{2+3}\)

\(=3y\cdot \:10x^{2+3}y^2\)

\(\mathrm{Add\:the\:numbers:}\:2+3=5\)

\(=3y\cdot \:10x^5y^2\)

\(\mathrm{Apply\:exponent\:rule}:\quad \:a^b\cdot \:a^c=a^{b+c}\)

\(yy^2=\:y^{1+2}\)

\(=3\cdot \:10x^5y^{1+2}\)

\(\mathrm{Add\:the\:numbers:}\:1+2=3\)

\(=3\cdot \:10x^5y^3\)

\(\mathrm{Multiply\:the\:numbers:}\:3\cdot \:10=30\)

\(=30x^5y^3\\\)

At the end of the analyzed period this plot of land will have the value as given by: Option D: 420,506.24

Deprecation, also called devaluation, is the decrement in price of an asset. Appreciation is opposite of deprecation. This indicates increment in the price of the considered thing.

Suppose the value of which a thing is expressed in percentage is "a'

Suppose the percent that considered thing is of "a" is b%

Then since percent shows per 100 (since cent means 100), thus we will first divide the whole part in 100 parts and then we multiply it with b so that we collect b items per 100 items(that is exactly what b per cent means).

Thus, that thing in number is

\(\dfrac{a}{100} \times b\)

It is given that:

Now, consider appreciation of an amount A by P%.

Then, we have:

Increased price = Initial price + P% of initial price

Increased price = \(A + \dfrac{A}{100} \times P = A \times \left(1 + \dfrac{P}{100} \right)\)

Similarly, depreciated price by P% of an amount A is:

Decreased price = \(A - \dfrac{A}{100} \times P = A \times \left(1 - \dfrac{P}{100} \right)\)

We've got: A = 350,000

After 1st year, which had 12% appreciation, we get:

\(A_1 =A(1 + 12/100) = A(1.12)\\\)
After 2nd year, 10% appreciation we get:

\(A_2 =A_1(1 + 10/100) = A_1(1.1) = A(1.12)(1.1)\\\)

After 3rd year, which had 8% devaluation effect on the price, we get:

\(A_3 = A_2(1 - 8/100) = A_2(1-0.08) = A_2(0.92) = A(1.12)(1.1)(0.92)\)

After 4th year,  which had 6% appreciation effect on the price, we get:\(A_4 = A_3(1 + 6/100) = A_4(1+0.06) = A_3(1.06) = A(1.12)(1.1)(0.92)(1.06)\)

Thus, the final effect on A is:

\(A \rightarrow A(1.12)(1.1)(0.92)(1.06) = A(1.2014464)\\\$350,000 \rightarrow 350000(1.2014464) = 420506.24\: \rm dollars\)

Thus, at the end of the analyzed period this plot of land will have the value as given by: Option D: 420,506.24

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Answer:

1. 22+b

2. 7x

3. 6+t

4. Z(4+6)

5. -10+4a

6. N(8+-2)

7. X^2/2

4/5(m^2)

HOPE THIS HELPS

- Todo ❤️

Step-by-step explanation:

1.) b + 21

2.) x × 7 or 7x

3.) t + 6

4.) 4 + 6z

5.) -10+4a

6.) 8 +(-2n)

7.) (1/2)×n³

8.) (4/5)×m²

Must click thanks and mark brainliest

Answer: 7 +2x

Step-by-step explanation:

7 plus twice a number

Twice a number - 2x

7 plus 2x

The equal class prior probabilities, gaussian classes with unique means, and a common covariance matrix that isn't always diagonal. The particular choice for ∑ where d is 2 is µ\(_{2}\)-µ\(_{1}\).

A Gaussian function in mathematics is a function with the base form and parametric extension for all real constants a, b, and c that are not zero. This function is frequently referred to as a Gaussian. It bears the name of the mathematician Carl Friedrich Gauss. A Gaussian's graph has the recognizable symmetric "bell curve" shape. The parameters a and b determine the height and location of the curve's peak, respectively, while the parameter c, also known as the standard deviation or Gaussian RMS width, determines the width of the "bell." Gaussian functions are frequently used in statistics to characterize the normal distributions, in signal processing to build Gaussian filters, and in image processing where two-dimensional Gaussians are utilized for Gaussian blurring.

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The correct answer is D. setne 23 47. Based on the provided information, I understand that you have a comparison function in C code and its corresponding assembly code. You are asked to fill in the blanks by selecting the appropriate instructions based on the given values of a and b and the status flags SF, OF, ZF, and CF. Let's go through the options:

A. setg 47 23: This option is incorrect because setg is used to set a byte to 1 if the Greater flag (ZF=0 and SF=OF) is set, but the given values of a and b are 47 and 23, respectively, so it does not satisfy the condition for setg to be set.

B. setl 23 47: This option is incorrect because setl is used to set a byte to 1 if the Less flag (SF≠OF) is set, but the given values of a and b are 23 and 47, respectively, so it does not satisfy the condition for setl to be set.

C. sete 23 23: This option is incorrect because sete is used to set a byte to 1 if the Zero flag (ZF=1) is set, but the given values of a and b are 23 and 23, respectively, so it does not satisfy the condition for sete to be set.

D. setne 23 47: This option is correct. setne is used to set a byte to 1 if the Zero flag (ZF=0) is not set, which means the values of a and b are not equal. In this case, the given values of a and b are 23 and 47, respectively, so they are not equal, and setne should be used.

Therefore, the correct answer is D. setne 23 47

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The goal of the "Requirements Gathering" phase of an SDLC is to produce a list of requirements for a new or revised information system.

What is SDLC?

SDLC stands for Software Development Life Cycle. It is a systematic approach or framework used in software development projects to guide the development process from initiation to deployment and maintenance.

During the Requirements Gathering phase of the SDLC, the primary objective is to gather and document all the necessary information regarding the desired functionalities, features, and specifications of the new or revised information system. This phase involves close collaboration between stakeholders, including business analysts, system analysts, project managers, and end-users.

The process typically begins with conducting interviews and meetings with stakeholders to understand their needs, expectations, and goals for the system. This can involve discussions with managers, users, subject matter experts, and other individuals who will be affected by the system. Various techniques such as questionnaires, surveys, and brainstorming sessions may be employed to gather comprehensive requirements.

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Answer:

x = 14 and y = 42

Step-by-step explanation:

From the two entries that have both the numbers od adults*A) and students(S) we find a ratio of S/A to be 7 for both cases.  We'll make the assumption that is the same ratio in the two cases involving x and y.

To find x and y, multiply the number of adults by 7 to find the number of students,

x = 14 and y = 42

A      S    Ratio S/A = 7

1 7      7

2 x     14

4 28    28

6 y    42

Answer:

-4+(-5)

Step-by-step explanation:

If the temperature is dropping five you add -5 to negative 4.

Answer:

A kite has only 1 pair of opposite congruent sides, whereas a parallelogram has 2 pairs of opposite congruent sides

Hope this helps!

a. To develop a point estimate of the population mean number of units sold per month, we can calculate the sample mean.

The sample mean (x) is obtained by summing up the values and dividing by the number of observations. x = (94 + 100 + 85 + 94 + 92) / 5 . x= 465 / 5. x = 93. Therefore, the point estimate of the population mean number of units sold per month is 93. b. To develop a point estimate of the population standard deviation, we can calculate the sample standard deviation.The sample standard deviation (s) is calculated using the formula: s = √ [ Σ  (xi - x)² / (n - 1) ] .

where Σ denotes summation, xi represents each value, x is the sample mean, and n is the sample size. Using the given data: x = 93 (from part a). n = 5. xi values: 94, 100, 85, 94, 92. Calculating the sample standard deviation: s = √ [ (( 94 - 93 )² + (100 - 93)² + (85 - 93)² + (94 - 93)² + (92 - 93)²) / (5 - 1)]. s = √ [ (1 + 49 + 64 + 1 + 1) / 4 ].  s = √(116 / 4). s = √29. Therefore, the point estimate of the population standard deviation is √29.

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Answer: See below

Step-by-step explanation:

Weight of concrete nails - weight of concrete nails used = weight of concrete nails left

3.35 – 1.23 = 2.12

Weight of concrete nails left * number of workers = total weight of concrete nails

2.12 x 8 = 16.96

There are 2.12 kgs of concrete nails left in each of the boxes and there are 16.96 kgs of concrete nails altogether

The integration of the given functions has been computed successfully. It is important to follow the proper order of integration when dealing with multiple integrals

(i) The integral of the given function, ∫(4x^3 – 3x^2 + 2x – 1)dx, is equal to x^4 - x^3 + x^2 - x + C, where C is the constant of integration.

(ii) The given expression involves a triple integral. To evaluate it, we start from the innermost integral:

∫^2_x=1 (2xy + z) dx

Integrating with respect to x gives:

[2xy^2 + zx] from x = 1 to x = 2

Now, we proceed to the next integral:

∫^3_y=0 [2xy^2 + zx] dy

Integrating with respect to y gives:

[y^3x + yz] from y = 0 to y = 3

Finally, we evaluate the outermost integral:

∫^4_z=-1 [y^3x + yz] dz

Integrating with respect to z gives:

[y^3x*z + (1/2)yz^2] from z = -1 to z = 4

Simplifying further, we get:

4y^3x + 2yz - y^3x + yz + (1/2)y(4^2 - (-1)^2)

= 3y^3x + 3yz + 105y

Thus, the final result of the triple integral is 3y^3x + 3yz + 105y.

The integration of the given functions has been computed successfully. It is important to follow the proper order of integration when dealing with multiple integrals and to evaluate each integral step by step.

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Answer:

A,C and D

Step-by-step explanation:

A: 3x2=6

    3x4X=12X

     6+12X

C: 5x1=5

    5x2X=10X

    5+10X+1+2X

   6+12X

D: 7x1=7

    7x2X=14X

     7+14X-2X-1

     6+14X-2X

     6+12X

The z-score simply tells us how many standard deviations away from the mean a particular value falls, and we use that information to assess whether the value is typical or unusual in the given context.

To find the z-score corresponding to the given value of a 100-meter sprint time of 15.0 seconds, we need to use the formula z = (x - μ) / σ, where x is the value, μ is the mean, and σ is the standard deviation. Plugging in the values, we get:

z = (15.0 - 17.5) / 2.1
z = -1.19

This means that the given value is 1.19 standard deviations below the mean. To determine whether it is unusual, we need to compare the absolute value of the z-score to 2.00. Since 1.19 is less than 2.00 and greater than -2.00, we can conclude that the time of 15.0 seconds is not unusual in this context.

In other words, while the time is below the mean, it is not so far below that it is considered unusual or unexpected. The z-score simply tells us how many standard deviations away from the mean a particular value falls, and we use that information to assess whether the value is typical or unusual in the given context.

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A time of 15.0 seconds is within 2 standard deviations from the mean and is not considered unusual.

To find the z-score, we use the formula:

z = (x - μ) / σ

where x is the value we want to convert to a z-score, μ is the mean, and σ is the standard deviation.

Plugging in the values given in the problem, we have:

z = (15.0 - 17.5) / 2.1

z = -1.19

So the z-score corresponding to the 15.0 second time is -1.19.

To determine whether this value is unusual, we compare the absolute value of the z-score to 2.00. Since |-1.19| = 1.19 is less than 2.00, we can conclude that the value of 15.0 seconds is not unusual according to our definition.

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Answer:

the answer will be 13 okay bro

Answer:

24years

Step-by-step explanation:

Separate the inequalities by part.

\(8<12+c\\12+c<12\)

We'll do 8 < 12+c first then 12+c<12 next.

\(8-12<c\\-4<c\\c>-4\)

Then 12+c<12

\(12+c<12\\c<12-12\\c<0\)

Then mix c<0 and c>-4 as we'll get \(-4<c<0\) #

The range of the function y = 2sin(x) is the set of all possible values that the function can take. The range of the function y = 2sin(x) is [-2, 2].

In trigonometry, the sine function can be defined as the ratio of the length of the opposite side to that of the hypotenuse in a right-angled triangle. The sine function, sin(x), has a range between -1 and 1, inclusive. When we multiply the sine function by 2, as in the case of y = 2sin(x), the range is expanded.

Multiplying the range of sin(x) [-1, 1] by 2 gives us the range of 2sin(x), which is [-2, 2].

Therefore, the range of the function y = 2sin(x) is [-2, 2].

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Answer:

i THINK its 112 degrees

the test is optional so if it's wrong it wont affect you

The measure of angle QPS in the cyclic quadrilateral is; 112°

In theorems for cyclic quadrilaterals, we know that the sum of the opposite angles of a quadrilateral in a circle is 180°, provided that the quadrilateral does not cross itself.

Now, angle QPS is opposite to 68° in the cyclic quadrilateral. This means thst;

∠QPS + 68° = 180°

∠QPS = 180 - 68

∠QPS = 112°

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