Which of the following expressions is equal to 5 - 2m

Answer:

50% is

Step-by-step explanation:

A display screen at the airport shows the arrival and departure information of flights. Which data type is suitable to show the arrival of a flight? How can you display a list of flights in the ascending order (latest departure first) of their departure time?

The

data type is suitable to show the arrival of a flight. The

operation can help display flights in the ascending order of their departure time.

Answer:a)24minutes b)12 minutes c)9.6minutes d)4.8 minutes

Step-by-step explanation:

x         50               x           25                      x                20              x         10

___=_____         _____=______         _________=________   ____=_____

48      100               48          100                 48                100            48     100

x(100)=48(50)          x(100)=48(25)                x(100)=48(20)            x(100)=48(10)

100x=2400                100x=1200                  100x=960                 100x=480

__________                __________             __________            _________

100       100                    100     100                   100    100               100        100

x=24minutesat50% x=12minutesat25%x=9.6minutesat20% x=4.8minutesat10%

Answer:

Step-by-step explanation:

red line is y = 4x + 3

blue line is y = -x -2

or just take a table of values for different values of x and join them like the 2nd picture

Answer:

B. There is no solution

Step-by-step explanation:

35x - 21y = 10

 5x - 3y = 2

---------------------

(5x - 3y = 2) × (-7)

= (-35x + 21y = -14)

---------------------------

35x - 21y = 10

-35x + 21y = -14

-------------------------

                 = (-4)

No Solution

I hope this helps!

The system of equation 35x - 21y =10 and  5x-3y=2 has no solution , Option B is correct.

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

The given system of equation is 35x - 21y =10 and  5x-3y=2

We can use elimination method to solve for x and y.

First, we can multiply the second equation by 7 to get:

35x - 21y = 10

35x - 21y = 14

Next, we can subtract the second equation from the first equation to eliminate the x terms:

35x - 21y - (35x - 21y) = 10 - 14

0 = -4

This is a contradiction, so there is no solution for x and y that satisfies both equations. The system is inconsistent.

Hence, the given system of equation 35x - 21y =10 and  5x-3y=2 has no solution , Option B is correct.

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Answer:

Step-by-step explanation:4n+8-2n=0. 2n=-8. n=-4.

HOPE THIS HELPSSSS!!!!!!!!!!!!!+

Answer:

-4

Step-by-step explanation:

4n+8-2n=0 2n=-8.n=-4

The concept exhibited by the thirteen year old who was unsure of one of her responses. she decided to go with the answer that felt the ""most right."" is an example of; Intuitive thought.

It follows from the task content that the thirteen year old was unsure of one of her responses. she decided to go with the answer that felt the ""most right."".

Such concept may be attributed to Intuitive thought.

This follows from the fact that the internal impulse which prompts individuals to make decisions is termed; Intuition.

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The number which best completes the sequence is option c) 72.

The sequence seems to be alternating between multiplying by 3 and dividing by 2.
Starting with 10, we have:
10 x 3 = 30
30 ÷ 2 = 15
15 + 1 = 16
16 x 3 = 48
48 ÷ 2 = 24
24 + 1 = 25

So, the next number in the sequence should be:
25 x 3 = 75
75 ÷ 2 = 37.5

However, none of the answer options match 37.5. Therefore, we need to look for a pattern that matches one of the answer options.

If we multiply 25 by 3 and then divide by 2, we get 37.5. However, if we continue with this pattern, we get:
37.5 x 3 = 112.5
112.5 ÷ 2 = 56.25

Again, none of the answer options match 56.25.

Let's try multiplying 24 by 3 and then dividing by 2:
24 x 3 = 72
72 ÷ 2 = 36

Since 36 is not in the sequence, we can eliminate option b) 75.

Therefore, the number which best completes the sequence is option c) 72.
The number which best completes the sequence 10, 30, 15, 16, 48, 24, 25 is:

c) 72

The sequence can be described as alternating between multiplying by 3 and dividing by 2, then adding 1.

10 x 3 = 30
30 / 2 = 15
15 + 1 = 16
16 x 3 = 48
48 / 2 = 24
24 + 1 = 25
25 x 3 = 75

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Answer:500

Step-by-step explanation:500 +7++U+U++UU+

As per coordinate geometry, a) 7.48 meters is the parameter for the path the ladybug flies between the points, including the domain. b) 1.87-meter distance does the ladybug travel per second

This is a problem from coordinate geometry and we can crack it with a few steps. First of all, the required formula to solve it is,

l = √ ( x₁ - x₂ )² + ( y₁ - y₂ )² + ( z₁ - z₂)²

where, x₁, y₁, z₁ is the coordinate of the first point and x₂, y₂, z₂ is the coordinate of the second point and l is the distance between two points.

Here x₁ = 2, y₁ = 7, z₁ = 1

and x₂ = 4, y₂ = 1, z₂ = 5

Now we have to put values in the formula,

l = √ ( 2 - 4 )² + ( 1 - 7 )² + ( 5 - 1 )²

l = √ 2² + 6² + 4²

l = √ 4 + 36 + 16

l = √ 56 = 7.48 meter

So, the ladybug flies 7.48 meters while traveling from point one to point two.

The speed taken to fly along this path is, l/t = S, where S is denoted as speed.

S = 7.48 / 4 = 1.87 meters/ second.

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Answer:

7/10 - 3/7 - 1/5

Step-by-step explanation:

3/7-7/10-1/5

Step-by-step explanation:

Answer:

Circumference: 15.7 meters

Area: 19.625 meters

Step-by-step explanation:

Formula for Circumference:

\(2\pi r\)

(Tip: To find the radius of a circle from its diameter, you just have to divide the diameter by 2)

pi = 3.14

\(2\pi2.5\)

Which equals 15.7 meters

-----------------------

Formula for Area:

\(\pi {r}^{2} \)

\(\pi {2.5}^{2} \)

Which equals 19.625 meters

Answer:

Set 1 = {(2, 2),(4, 4),(6, 6),(8, 8)}

Set 2 = {(1, 2),(3, 3),(4, 8),(6, 3)}

Set 3 = {(0, 3),(3, 5),(5, 6),(8, 4)}

Step-by-step explanation:

A function is a special type of relation where each input is related to exactly one output.

Set 1 = {(2, 2),(4, 4),(6, 6),(8, 8)}

This is a function as each input is related to exactly one input.

It is a one-to-one function as no two inputs correspond to the same output.

Set 2 = {(1, 2),(3, 3),(4, 8),(6, 3)}

This is a function as each input is related to exactly one input.

It is a many-to-one function as two inputs (x=3 and x=6) correspond to the same output (y=3).

Set 3 = {(0, 3),(3, 5),(5, 6),(8, 4)}

This is a function as each input is related to exactly one input.

It is a one-to-one function as no two inputs correspond to the same output.

Set 4 = {(3, 4),(5, 2),(5, 6),(7, 3)}

This is not a function as the same input (x=5) corresponds to two different outputs (y=2 and y=6).

Answer:

answer????

Step-by-step explanation:

Answer:

Between step 3 and step 4

Step-by-step explanation:

Answer:

3)

Step-by-step explanation:

Draw the graph and youll see

Answer:

Exponential growth function

Step-by-step explanation:

It multiplies by 3 each time

The number of different ways is 7560 ways

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

Chiefs = 1

Supporting chiefs = 2

Members = 10

Inferior officers = 2

There are 10 members.

So, the number of ways to select a chief is 10

Now, there are 9 members left

The number of ways to select a supporting chief is then represented as

Supporting chief = ⁹C₂

Now, there are 7 members left

The number of ways to select an inferior officer is then represented as

Inferior officers = ⁷C₂

So, the total number of ways is

Ways = 10 * ⁹C₂ * ⁷C₂

Evaluate

Ways = 7560

Hence, the number of ways is 7560

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The probability that at least half of the 328 voters contacted in the telephone survey supported the current governor in the last election is 0.0532.

To calculate the probability that at least half of the 328 voters contacted in the telephone survey supported the current governor in the last election, we can use the binomial probability formula.

The formula is: P(x) = (ⁿCₓ) × pˣ × (1-p)⁽ⁿ⁻ˣ⁾

In this case, n = 328, p = 46.37%, and x = 164 (since half of 328 is 164).

Plugging in the numbers we get:

P(x) = ³²⁸C₁₆₄ × (0.4637)¹⁶⁴ × (0.5363)⁽³²⁸⁻¹⁶⁴⁾ = 0.0532

Therefore, the probability that at least half of the 328 voters contacted in the telephone survey supported the current governor in the last election is 0.0532.

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The sum of the angle measures in a quadrilateral is always equal to 360 degrees. This property holds true for all types of quadrilaterals, including squares, rectangles, parallelograms, and other irregular quadrilaterals.

A quadrilateral is a polygon with four sides and four angles. The sum of the interior angles in any polygon can be found using the formula (n-2) * 180 degrees, where n represents the number of sides. In the case of a quadrilateral, n = 4, so the sum of the interior angles is (4-2) * 180 = 2 * 180 = 360 degrees.

This property can be derived from the fact that a quadrilateral can be divided into two triangles. The sum of the interior angles of a triangle is always 180 degrees, so when we combine two triangles to form a quadrilateral, the sum of their angles becomes 2 * 180 = 360 degrees.

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The base area of cube B is 25/9  times larger than the base area of cube A.

What is area cubic?

We know that volume of cube with each side of  units is equal to .

First of all, we will find the each side of cube A and B as:

\(A^{3} = 27\)

\(\sqrt[3]{A^{3} } = \sqrt[3]{27}\)

A = 3

\(B^{3} = 125\)

\(\sqrt[3]{B^{3} } = \sqrt[3]{125}\)

B = 5

Now, we will find base area of both cubes as:

\(\frac{Base area of B}{Base area of A} = \frac{B^{2} }{A^{2} }\)

\(\frac{Base area of B}{Base area of A} = \frac{5^{2} }{3^{2} }\)

\(\frac{Base area of B}{Base area of A} = \frac{25}{9}\)

Therefore, the base area of cube B is 25/9  times larger than the base area of cube A.

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Step-by-step explanation:

D option

As for every input there's only one output.

Answer:

We can start by isolating the variable "h".

5 8 h + 1 1 2 = 5

Subtracting 11/2 from both sides:

5 8 h = 5 - 1 1 2

Simplifying:

5 8 h = 8 1 2

Dividing both sides by 5/8:

h = 8 1 2 ÷ 5 8

Converting the mixed number to an improper fraction:

h = (8 x 8 + 1) ÷ 5 8

h = 65/8

Now, we can convert this fraction to a mixed number:

h = 8 1/8

Brigid has already picked for 8 1/8 hours, so the amount of time needed to pick the remaining strawberries is:

5 - (1 1/2 + 5/8 x 8) = 5 - (3 5/8) = 1 3/8

Therefore, Brigid still needs to pick for 1 3/8 hours to fill 5 bushels of strawberries. The answer is 1 and 3/8 hours or 2 and 3/16 hours (if simplified).

Step-by-step explanation:

Answer:

\(9(b + 5) - 4b = \\ 9b + 45 - 4b = \\ 5b + 45 = b + 9\)

\( \looparrowright \sf9(b + 5) - 4b\)

\( \\ \\ \)

\( \looparrowright \sf9b + 45 = - 4b\)

\( \\ \\ \)

\( \looparrowright \sf9b + 4b + 45 = 0\)

\( \\ \\ \)

\( \looparrowright \sf5b + 45 = 0\)

\( \\ \\ \)

\( \looparrowright \sf5b = - 45\)

\( \\ \\ \)

\( \looparrowright \sf \: b = - 45 \div 5\)

\( \\ \\ \)

\( \looparrowright \sf \: b = -9\)

Answer:

x = 5/8

Step-by-step explanation:

Isolate the variable by subtracting 1/8 from both sides:

3/4 - 1/8 = 5/8

Now, the equation is:

x = 5/8

Therefore, the answer is 5/8

Answer:

154in²

Step-by-step explanation:

4.5 ft = 54in

2(54 + 23) = 154in²

Answer:

l = 40 m

Step-by-step explanation:

The formula for area of a rectangle is

A = lw, where

Step 1:  Since we're given the area and width, we plug in these two values for A and w and to solve for l (length):

360 = 9l

Step 2:  Divide both sides by 9 to solve for l

(360 = 9l) / 9

40 m = l

Optional Step 3:  We can check our answers by checking that the product of 40 and 9 is 360

40 * 9 = 360

360 = 360

Step1: Pick 2 points in the table:

(0,6) and (4,10)

Step2: Recall the formula for the slope of a line.

Step3: Substitute the values of the coordinates in the above formula.

Step4:

Step5: Invoke the formula for the equation of the line.

Hence, the correct answer is y = x + 6

By finding the magnitude and bearing, we conclude that the correct option is:

"about 29 miles at 25° south of west"

For a vector (x, y), the polar coordinates are the magnitude R and the bearing θ.

Such that:

\(R = \sqrt{x^2 + y^2} \\\\\theta = Atan(y/x)\)

In this case, the original vector is (-26, -12), replacing that we get:

\(R = \sqrt{(-26)^2 + (-12)^2} = 28.6 \\\\\theta = Atan(-12/-26) = 24.7\°\)

Where the angle is measured from the negative x-axis counterclockwise, so it is South of West.

Then we can describe this vector as:

"About 29 miles at 25° south of west".

The first option is the correct one.

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Answer:

(14, 4)

Step-by-step explanation:

The question is not well structured and incomplete.

Restructured

Find an ordered pair to represent in the equation vec t = 4 vec u +6 vec v where vec u =(-1,4) and vec v = (3,-2)

Substitute the given vector into the expression for vec t.

Recall that: vec t = 4 vec u +6 vec v

vec t = 4(-1,4)+6(3,-2)

vec t = (4(-1), 4(4)) + (6(3), 6(-2))

vec t = (-4, 16) + (18, -12)

vec t = (-4+18, 16+(-12))

vec t = (14, 16-12)

vec t = (14, 4)

Hence an ordered pair to represent vec t in the equation is (14, 4)

Note that the vec v was assumed. Any other vector coordinate can also be used

The probabilities are calculated assuming independence of each call and that the success probability remains constant throughout the calls.

a. The probability that, among five voters the student calls, exactly one supports candidate Smith can be calculated using the binomial probability formula. With a success probability of 64% (0.64) and exactly one success (k = 1) out of five trials (n = 5), the probability can be calculated as follows:

\[

P(X = 1) = \binom{5}{1} \times (0.64)^1 \times (1 - 0.64)^4

\]

The calculation results in approximately 0.369, or 36.9%.

b. The probability that, among five voters the student calls, at least one supports candidate Smith can be calculated as the complement of the probability that none of the voters support Smith. Using the binomial probability formula, with a success probability of 64% (0.64) and no success (k = 0) out of five trials (n = 5), the probability can be calculated as follows:

\[

P(X \geq 1) = 1 - P(X = 0) = 1 - \binom{5}{0} \times (0.64)^0 \times (1 - 0.64)^5

\]

The calculation results in approximately 0.997, or 99.7%.

c. The probability that the first voter supporting candidate Smith is reached on the fifth call can be calculated as the probability of not reaching a Smith supporter in the first four calls (0.36) multiplied by the probability of reaching a Smith supporter on the fifth call (0.64):

\[

P(\text{{First Smith Supporter on Fifth Call}}) = (1 - 0.64)^4 \times 0.64

\]

The calculation results in approximately 0.014, or 1.4%.

d. The probability that the third voter supporting candidate Smith is reached on the fifth call can be calculated as the probability of reaching two Smith supporters in the first four calls (0.64 for the first call, 0.36 for the second call, and 0.36 for the third call) multiplied by the probability of reaching a Smith supporter on the fifth call (0.64):

\[

P(\text{{Third Smith Supporter on Fifth Call}}) = (0.64)^2 \times (1 - 0.64) \times 0.64

\]

The calculation results in approximately 0.147, or 14.7%.

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The probabilities are calculated assuming independence of each call and that the success probability remains constant throughout the calls. The calculation results in approximately 0.369, or 36.9%.

a. The probability that, among five voters the student calls, exactly one supports candidate Smith can be calculated using the binomial probability formula. With a success probability of 64% (0.64) and exactly one success (k = 1) out of five trials (n = 5), the probability can be calculated as follows:

[P(X = 1) = \binom{5}{1} \times (0.64)^1 \times (1 - 0.64)^4\]

The calculation results in approximately 0.369, or 36.9%.

b. The probability that, among five voters the student calls, at least one supports candidate Smith can be calculated as the complement of the probability that none of the voters support Smith. Using the binomial probability formula, with a success probability of 64% (0.64) and no success (k = 0) out of five trials (n = 5), the probability can be calculated as follows:

[P(X \geq 1) = 1 - P(X = 0) = 1 - \binom{5}{0} \times (0.64)^0 \times (1 - 0.64)^5\]

The calculation results in approximately 0.997, or 99.7%.

c. The probability that the first voter supporting candidate Smith is reached on the fifth call can be calculated as the probability of not reaching a Smith supporter in the first four calls (0.36) multiplied by the probability of reaching a Smith supporter on the fifth call (0.64):

\[

P(\text{{First Smith Supporter on Fifth Call}}) = (1 - 0.64)^4 \times 0.64

\]

The calculation results in approximately 0.014, or 1.4%.

d. The probability that the third voter supporting candidate Smith is reached on the fifth call can be calculated as the probability of reaching two Smith supporters in the first four calls (0.64 for the first call, 0.36 for the second call, and 0.36 for the third call) multiplied by the probability of reaching a Smith supporter on the fifth call (0.64):

\[

P(\text{{Third Smith Supporter on Fifth Call}}) = (0.64)^2 \times (1 - 0.64) \times 0.64

\]

The calculation results in approximately 0.147, or 14.7%.

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Statistical significance is a measure of the likelihood that the observed results in a study are not due to random chance.  The correct answer is (c) Never.

Statistical significance is a measure of the likelihood that the observed results in a study are not due to random chance. In most statistical tests, a p-value is used to determine statistical significance. A p-value is the probability of obtaining results as extreme as the observed results, assuming that the null hypothesis is true (i.e., there is no true effect). A common threshold for statistical significance is a p-value of 0.05 or lower, which indicates that there is a 5% or lower chance that the results are due to random chance.

In this case, if FDATA = 5 and there are no other details provided about the statistical test or hypothesis being tested, it is not possible to determine statistical significance. The p-value would need to be calculated based on the specific statistical test being used and the sample size, among other factors. A p-value of 5 or any other single value does not provide enough information to determine statistical significance.

Therefore, the correct answer is (c) Never, as statistical significance cannot be determined based solely on the value of FDATA = 5.

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The sole relevant fact is that there are three viable responses, making the likelihood of selecting the correct response 1/3.

The correct option is C.

Probability is the ability to happen. The subject of this area of mathematics is the occurrence of random events. From 0 to 1 is used to express the value. To forecast how likely occurrences are to occur, probability has been introduced in mathematics. The degree to which something is likely to happen is essentially the definition of probability. This is the fundamental theory of probability, which is also applied to the probability distribution, and from which you will discover the likelihood of results for a random experiment. We must first determine the total number of outcomes in order to calculate the probability that a single event will occur.

It has no bearing on how question 4 is guessed whether there are questions before (or after) it. The likelihood of getting a head on the fourth flip is the same as the probabilities of the first three flips, therefore this is quite similar to asking how likely it is to get a head on the first four flips of a coin.

The sole relevant fact is that there are three viable responses, making the likelihood of selecting the correct response 1/3.

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I understand that the question you are looking for is

Leanna guesses on four multiple choice test questions in a row. If each question has 3 possible answers, what is the probability that Leanna will guess the answer to the 4th question correctly?

A. 1/81

B. 1/12

C. 1/3