I need help with the following. I know the anwer but I have to write an equal equation. T - 40 = 3

Answer:

2

Step-by-step explanation:

2 x 2 - 6 + 4

4 - 6 +4

4 - 2

2

Answer:For Bus A:

- The fraction of gas used for the trip is: (2/3) x (2/3) = 4/9

- This means that 4/9 of the gas in the tank was used up.

For Bus B:

- The fraction of gas used for the trip is: (2/6) x (3/4) = 1/4

- This means that 1/4 of the gas in the tank was used up.

Therefore, Bus A used up more gas than Bus B by (4/9 - 1/4) = 1/36.

Step-by-step explanation:

Answer:

The answer is 6î + 9j – 15k

Step-by-step explanation:

So,

A = 2î + 3j – 5k

Multiply The value of A with 3 we get,

3A = 3(2î + 3j – 5k)

3A = 6î + 9j – 15k

Thus, The value of 3A is 6î + 9j – 15k

-TheUnknownScientist 72

The volume of the medication required, we subtract it from the nebulizer output to find the amount of saline needed.

To determine the amount of saline needed to make the medication last the full hour, we need to calculate the total volume of medication required and subtract it from the volume delivered by the nebulizer.

Given:

- Albuterol dose: 15 mg

- Atrovent dose: 0.5 mg

- Nebulizer output: 10 mL per hour

- Nebulizer flow rate: 4 LPM (liters per minute)

First, we need to convert the nebulizer flow rate to mL per hour:

4 LPM * 60 min = 240 mL per hour

Next, we calculate the total volume of medication required by adding the doses of albuterol and Atrovent:

Total medication volume = 15 mg + 0.5 mg

Now, we need to convert the total medication volume from milligrams to milliliters. To do this, we need to know the concentration of the medication (mg/mL) or the volume of the medication that corresponds to the given dose. Without this information, we cannot convert the dose to volume accurately.

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Answer:          20

Step-by-step explanation:

Answer:

no solution

Step-by-step explanation:

Answer:

The diameter of the circle is 7/2.

Step-by-step explanation:

⭐What is the radius of a circle?

⭐What is the diameter of a circle?

Thus, the diameter of said circle is twice the radius of said circle.

diameter = 2(radius)

diameter = 2(7/4)                   . . . . substitute known values

diameter = 14/4                      . . . . multiply the numerator & denominator

diameter = 7/2                       . . . . simplify

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Answer:

Angle AFB

Step-by-step explanation:

They don't have to be supplementary but these are, as long as they are immediately next to each other or "adjacent."

Answer:

200 ft²

Step-by-step explanation:

area = 1/2(BH) = 1/2(20)(20) = 200 ft²

Answer:

b

Step-by-step explanation:

because it really does depend on the number of bricks

Answer:

It depends on the number of bricks.

Step-by-step explanation:

As b is the number of bricks in the equation then we wouldn't be able to identify the fee per load unless specified with a number.

The list  below that  shows all the possible outcomes of sack lunches, and select the outcomes from that list that represent picking a ham or turkey sandwich with carrots List 2

the statement states that the school is providing one sack lunch for each student. Each lunch has either a ham, turkey, or bologna sandwich along with either carrots or celery.

List 1 mentions that there is "Ham, Carrots, celery". We know that students can only have either carrots or celery, but the list shows that the students have both. Therefore, list 2 is correct.

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Answer: It is proportional because 195/3 equals 65 and 325/5 equals 65 as well, so it is proportional.

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Answer:

x = no.of months

y = cost

f(12) = 30x+75

f(12) = 30(12)+75

f(12) = 360+75

f(12) = 435

Therefore it cost him $435 in 12 months.

It will cost him $435 in 12 months or the value of f(12) is $435.

It is given that cost of gym membership is $75 plus $30 per month and the equation representing it is y = 30x + 75.

We have to find the value of f(12) or cost of gym after 12 months.

What do you mean by domain and ranges of a function ?

The domain is set of all values for which the function is defined and the range of the function is set of all values that function takes.

As per the question ;

The cost of gym membership is $75 plus $30 per month.

and

The given equation is ;

y = 30 x + 75

where ;

x = no. of months

and

y = cost

So , we can find out the value of f(12) as ; y = f(x) = f(12)

⇒ f(12) = 30x + 75

⇒ f(12) =( 30 × 12 ) + 75

⇒ f(12) = 360 + 75

⇒ f(12) = 435

Thus , it will cost him $435 in 12 months or the value of f(12) is $435.

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Answer:answer is D

Step-by-step explanation:

Answer:

bdhdbhdjndjxbdixn,jzhhdhuu,ubxhsjxjnx

The XYZ corporation will receive $1500000 for all the shares sold.

A single unit's value can be determined from the values of multiple units, and multiple units' values can be determined from the values of single units using the unitary method.

Now,

Given: Cost of 1 share = $15

To find: Money received on selling 100000 shares.

Finding:

By unitary method,

Money received on selling 1 share = $15

Money received on selling 100000 shares = 15(100000) = $1500000

Hence, The XYZ corporation will receive $1500000 for all the shares sold.

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The situation that can be modeled by a linear function is:

An amusement park allows 50 people every 30 minutes

Option 3 is the correct answer.

A function is a relationship between inputs where each input is related to exactly one output.

Example:

f(x) = 2x + 1

f(1) = 2 + 1 = 3

f(2) = 2 x 2 + 1 = 4 + 1 = 5

The outputs of the functions are 3 and 5

The inputs of the function are 1 and 2.

We have,

A linear function is a function in the form of f(x) = mx + c.

Now,

1)

The population of bacteria triples every day.

This can be written as a function,

f(x) = M x \(3^x\)

Where M is the initial number of bacteria and x is the number of days.

This is an exponential function.

2)

The value of cell phones depreciates at a rate of 3.5% each year.

This can be written as a function,

f(x) = M x \(96.5^x\)

Where M is the initial value and x is the number of years.

This is an exponential function.

3)

An amusement park allows 50 people every 30 minutes.

This can be written as a function,

f(x) = 50x

Where x is the number of times of 30 minutes.

This is a linear function.

4)

A baseball tournament eliminates half of its teams after each round.

This can be written as a function,

f(x) = M x \((1/2)^x\)

Where x is the number of rounds.

This is an exponential function.

Thus,

An amusement park allows 50 people every 30 minutes can be modeled by a linear function.

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The value of the expression tan(-5π/6) can be determined using trigonometric properties and  identities.

First, let's consider the unit circle. The angle -5π/6 is measured in the clockwise direction from the positive x-axis. In this position, the reference angle is π/6, which is the positive angle formed with the x-axis.

The tangent function (tan) is defined as the ratio of the sine (sin) of an angle to the cosine (cos) of the angle. Using the reference angle π/6, we can determine the value of tan(π/6) as the ratio of sin(π/6) to cos(π/6). sin(π/6) equals 1/2, and cos(π/6) equals √3/2. Therefore, tan(π/6) is (1/2) divided by (√3/2), which simplifies to 1/√3 or √3/3. Since tan is an odd function, tan(-5π/6) is equal to the negative of tan(5π/6). Therefore, tan(-5π/6) has the same value as -√3/3.

In conclusion, the value of tan(-5π/6) is -√3/3, which means that the tangent of the angle -5π/6 is negative and equal to the ratio of -√3 to 3.

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When a sample is taken from a population, it is important to understand the characteristics of both the sample and the population. In this scenario, the sample size is 36, meaning that 36 individuals or data points were randomly selected from the larger population.

The population mean is 50, which tells us the average value of the population data. The standard deviation of the population is 5, which indicates the degree of variability in the data.

Using the information provided, we can calculate the standard error of the mean (SEM), which is the standard deviation of the sample mean. The formula for SEM is:

\(SEM = population standard deviation / square root of sample size\)

SEM = 5 / square root of 36

SEM = 5 / 6

SEM = 0.83

Therefore, the standard error of the mean for this sample is 0.83. This means that if we were to take many samples of size 36 from this population, we would expect the mean of each sample to be within 0.83 units of the true population mean of 50.

It is important to note that while this sample may give us some insight into the characteristics of the larger population, it is not necessarily representative of the entire population. To increase the accuracy of our findings, we would need to take multiple random samples and calculate the means and standard errors of each sample.

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the answer is b

Step-by-step explanation:

hope this helps if not let me know have a blessed day

The function f(x) = 3x + 3 - x is neither even nor odd.

The y-axis of the function k's graph is symmetric. This is apparent because, if we reflect any point on the graph across the y-axis, we will obtain a second point on the graph. For purposes of formal definition, the function k is even since k(-x) = k(x) for every x within the range of k.

If the function f(x) = 3x + 3 - x fits the requirements for even or odd functions, we may determine whether it is even, odd, or neither.

Being symmetric around the y-axis means that an even function has f(-x) = f(x) for every x falling inside its domain.

An odd function is symmetric around the origin, which means that for any x falling within the domain of f, f(-x) = -f(x).

We evaluate f(-x) and f(x) to see if they are equivalent in order to determine whether f(x) is even:

f(x) = 3x + 3 - x = 2x + 3 while f(-x) = 3x + 3 - x = -2x + 3

The function f(x) is not even since f(-x) is not equal to f(x).

We assess f(-x) and -f(x) and see if they are equivalent to determine whether f(x) is odd:

F(x) = -3(x) + 3(x) - (x) = -2x + 3 F(x) = -(3x + 3(x) - x) = -2x - 3

The function f(x) is not weird since f(-x) does not equate to -f(x).

The function f(x) = 3x + 3 - x is therefore neither even nor odd.

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Answer:

x is 3 values that sum to at least 23

Step-by-step explanation:

The centroid of the region W lying above the sphere x² + y2 + z = 30 and below the paraboloid z = 28 – x² - y2 is X = (120πx - 40π√30)/π = 120x - 40√30X = 120x - 40√30 = 120/π ∫(∫(∫x dV)8(x, y, z) dV)

The given region is as follows: Find the centroid of the region W lying above the sphere x² + y² + z = 30 and below the paraboloid z = 28 – x² - y².

Assume the density of 8(x, y, z) = 1. (Use symbolic notation and fractions where needed. Give your answer as point coordinates in the form (*,*,*).)

The centroid of the region W lying above the sphere x² + y² + z = 30 and below the paraboloid z = 28 – x² - y² is given by:

C = (x, y, z)

Where M is the mass of the given region and (x, y, z) are the coordinates of the centroid of the given region. The volume of the given region is given by;

V = ∭W dvThe region W is between the sphere and the paraboloid, thus the limits of z are:30 - x² - y² ≤ z ≤ 28 - x² - y²The limits of x and y are obtained by rotating the region about the z-axis. Thus the limits of x and y are:0 ≤ r ≤ √(30 - z)0 ≤ θ ≤ 2πThus the limits of integration for the given region are;0 ≤ θ ≤ 2π0 ≤ r ≤ √(30 - z)30 - r² ≤ z ≤ 28 - r²The mass of the region is given by;

M = ∭W ρ dVWhere ρ is the density of the region.

Given that the density is 8(x, y, z) = 1, then the mass is:

M = ∭W dV

Substituting the limits of integration above in the integral;

M = ∫(∫(∫1 dz)rdr)dθM = ∫(0 → 2π)∫(0 → √(30 - z))∫(30 - r² → 28 - r²)1 dzrdrdθM = ∫(0 → 2π)∫(0 → √30)∫(30 - r² → 28 - r²)1 dzrdrdθ

Now solving the integral using z limits as shown above;

M = ∫(0 → 2π)∫(0 → √30) (28 - r²) - (30 - r²) r drdθM = ∫(0 → 2π)∫(0 → √30) -r³ + 28r drdθ

M = ∫(0 → 2π) [(-r⁴/4 + 14r²)](0 → √30) dθM = ∫(0 → 2π) (30√30 - 420) / 4 dθ

M = π(30√30 - 420)

The x-coordinate of the centroid is given by;

X = (1/M) ∭W xρ dV

Substituting the limits of integration above in the integral;

X = (1/M) ∫(∫(∫x dz)rdr)dθ

X = (1/M) ∫(0 → 2π)∫(0 → √(30 - z))∫(30 - r² → 28 - r²)x dzrdrdθ

X = (1/M) ∫(0 → 2π)∫(0 → √30)∫(30 - r² → 28 - r²)x dzrdrdθ

X = (1/M) ∫(0 → 2π)∫(0 → √30) x(28 - r² - z) r drdθ

X = (1/M) ∫(0 → 2π)∫(0 → √30) x(28 - r² - (30 - r²)) r drdθ

X = (1/M) ∫(0 → 2π)∫(0 → √30) x(2r² - 2) r drdθ

X = (1/M) ∫(0 → 2π)∫(0 → √30) 2xr² - 2xr drdθ

X = (1/M) ∫(0 → 2π) [2x(10)(30) - 2x(√30³/3)] dθ

X = ∫(0 → 2π) [60x - 20√30] dθ

X = (120πx - 40π√30)/πM = 120x - 40√30

Since X = x, then the x-coordinate of the centroid of the region W is given by:

X = (120πx - 40π√30)/π = 120x - 40√30X = 120x - 40√30 = 120/π ∫(∫(∫x dV)8(x, y, z) dV)

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Answer:

0.42

Step-by-step explanation:

<3

Answer:

neither, it should be 5, but there is no 5

Step-by-step explanation:

first of all c and d are too much to be the quotient. Also eliminate b and a, its none of the above

The statement is True only for independent events and False otherwise. The statement "p (A ∩ B) = p(A). p(B)" is not always true for any two events A and B defined on a sample space S of an experiment.

This equation only holds true if A and B are independent events, meaning that the occurrence of one event does not affect the probability of the other event happening. In other words, p(A|B) = p(A) and p(B|A) = p(B).

If A and B are dependent events, meaning that the occurrence of one event affects the probability of the other event happening, then the equation does not hold true. In this case, the probability of A and B occurring together (p(A ∩ B)) would be less than the product of the probabilities of A and B occurring separately (p(A).p(B)).

Therefore, the statement is not always true and depends on whether A and B are independent or dependent events.

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creí que son 21

Step-by-step explanation:

5$--3-$+3+&$73+3-+$

Answer:

  6

Step-by-step explanation:

You want to know the number of uphill integers divisible by 15, where an uphill integer is one that has its digits strictly increasing.

An integer will be divisible by 15 if and only if it is divisible by 3 and 5. An integer is divisible by 5 if it ends in 5 or 0. An uphill integer cannot end in 0, so must end in 5.

An integer is divisible by 3 if the sum of its digits is divisible by 3

An uphill integer will have differences between successive digits that are positive integers. In order for the final digit to be 5, the sum of these differences must be 5. Hence we can find uphill integers by considering the "integer partitions" of 5: the sets of positive integers whose total is 5. Those sets would be ...

  {5}, {4, 1}, {3, 1, 1}, {2, 2, 1}, {2, 1, 1, 1}, {1, 1, 1, 1, 1}

Uphill integers will also have digit differences that are some permutation of each of these sets. For example, the digit differences may be {4, 1} or {1, 4}, corresponding to the numbers 45 or 15.

The uphill integers that end in 5 are ...

  5, 45, 15, 35, 25, 345, 145, 125, 245, 235, 135, 2345, 1345, 1245, 1235, 12345

We already know each of these is divisible by 5. The ones that have a digit total that is a multiple of 3 are ...

  15, 45, 135, 345, 1245, 12345

There are 6 uphill integers divisible by 15.