I don’t know if I’m correct or not help

Answer: Non proportional

Step-by-step explanation:

To know if the values given are proportional or not, we will use the formula:

y = kx

where

y = number of organisms

x = number of minutes

k = constant of proportionality

After 5 minutes, a bacteria colony has 1.3 million organisms. Using the formula, y = kx

1,300,000 = 5k

k = 1,300,000 / 5

k = 260,000

After 12 minutes, the same colony has 41.5 million organisms. Using y= kx

41,500,000 = 12x

x = 41500000 / 12

x = 3458333.8

After 15 minutes, the colony has grown to 101.3 million organisms.

y = kx

101,300,000 = 15k

k = 101,300,000 / 15

k = 6753333.8

It is a non-proportional relationship as the constant of proportionality is different for each.

Answer:

(3 × X) + 7 = 25

Step-by-step explanation:

"Sum" means the answer to an addition equation. "Times" means to multiply. "Is" means equal to.

Answer:

77 degrees

Step-by-step explanation:

6x+29+x+5= 90

7x=56

x=8

m<A = 77 degrees

The probability that the medication is effective in 45 of the 50 patients is approximately 0.0204, or 2.04%.

To calculate the probability that the medication is effective in 45 of the 50 patients, we can use the binomial distribution formula. The binomial distribution formula calculates the probability of getting a specific number of successes (in this case, effectiveness) in a fixed number of trials (in this case, patients).

The formula is:

P(X=k) = (n choose k) * p^k * (1-p)^(n-k)

where:

P(X=k) is the probability of getting k successes (45 in this case)

n is the number of trials (50 in this case)

k is the number of successes (45 in this case)

p is the probability of success in each trial (0.8 in this case)

Plugging in the numbers:

P(X=45) = (50 choose 45) * 0.8^45 * (1-0.8)^(50-45)

P(X=45) = (50 choose 45) * 0.8^45 * (1-0.8)^5

P(X=45) = 0.0204

So the probability that the medication is effective in 45 of the 50 patients is approximately 0.0204, or 2.04%.

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A completely randomized experimental design in analysis of variance (ANOVA) is a statistical method that helps compare the means of different groups in an experiment.

1. Set up the hypothesis: The experimenter must form a hypothesis that states the expected outcome of the experiment. For example, “I hypothesize that increasing the amount of fertilizer used on a crop will lead to higher yields.”

2. Divide the sample into multiple groups: The experimenter must then divide the sample into two or more groups. For example, in our fertilizer experiment, we can divide the sample into a control group and several treatment groups, each with different amounts of fertilizer.

3. Randomize the groups: The members of each group must be randomly assigned from the sample. This helps to control for any differences between the groups, since each group should have the same average characteristics.

4. Perform the experiment: The experimenter must then conduct the experiment according to the conditions specified for each group.

5. Analyze the data: Finally, the experimenter must analyze the collected data using ANOVA. This analysis tests whether the means of the different groups are significantly different, providing evidence for or against the original hypothesis.

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Subtract the weight of the operator from the allowable weight, then divide by the weight of a palette.

2320 - 195 = 2125

2125 / 425 = 5

Answer: 5

The total resistance of the line, denoted Rfils, can be calculated from the efficiency of the transmission line, ηtrsp, and the resistance of the load, Rch, using the following equation: Rfils = (1/ηtrsp - 1)Rch

The efficiency of the transmission line is defined as the ratio of the power delivered to the load to the power supplied by the source. The power delivered to the load is equal to the product of the voltage across the load, ΔVch, and the current flowing through the load, I. The power supplied by the source is equal to the product of the voltage across the source, ΔVs, and the current flowing through the line, I.

The total resistance of the line is equal to the difference between the resistance of the source and the resistance of the load. The resistance of the source is negligible, so the total resistance of the line is approximately equal to the resistance of the load.

The equation for Rfils can be derived by substituting the definitions of the efficiency of the transmission line and the total resistance of the line into the equation for the power delivered to the load.

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Answer:

-4 and 4

Step-by-step explanation:

Negative x Positive = Negative

-4 x 4 = -16

-4 + 4 = 0

The percentage of tires that will have a life of 45,000 to 55,000 miles is  68.27%. So the correct option is 68.27%.

To find the percentage of tires that will have a life of 45,000 to 55,000 miles, we can use the concept of the normal distribution.

First, we calculate the z-scores for both values using the formula:
z = (x - mean) / standard deviation

For 45,000 miles:
z1 = (45,000 - 50,000) / 5,000 = -1

For 55,000 miles:
z2 = (55,000 - 50,000) / 5,000 = 1

Next, we look up the corresponding values in the standard normal distribution table. The table will provide the proportion of data within a certain range of z-scores.

The percentage of tires with a life between 45,000 and 55,000 miles is the difference between the cumulative probabilities for z2 and z1.

Looking at the standard normal distribution table, the cumulative probability for z = -1 is 0.1587, and the cumulative probability for z = 1 is 0.8413.

Therefore, the percentage of tires that will have a life of 45,000 to 55,000 miles is:
0.8413 - 0.1587 = 0.6826

Converting this to a percentage, we get:
0.6826 * 100 = 68.26%

So the correct answer is 68.27%.

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As per the Maclaurin series, the value of the function is written as 2.8521

The term Maclaurin series is defined as  a function that has expansion series that gives the sum of derivatives of that function.

Here we have given that the function is \(\sum\frac{(-1)^n\pi^{2n}}{4^{2n}(2n)!}\)

And we need to find the sum of series by using the Maclaurin series as

Now, the sum of series is calculated as,

=>f(n) =  \(\sum\frac{(-1)^n\pi^{2n}}{4^{2n}(2n)!}\)

When we put the value on n = 0, then we get,

=> f(0) = [1 x 3.14]/1] =  3.14

Now, we have to put the value of the function, the value of x as 1,

Then we get,

=> f(1) = [-1 x 9.8596] / [16 x 2]

=> f(1) = -0.308

And then we have to put the value of function for the value of x as 2,

Then we get,

=> f(2) = [1 x 30.959] / [64 x 24]

=> f(2) = 0.0201

Then the sum of the series is

=> 3.14 - 0.308 + 0.0201

=> 2.8521

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Answer:

your height is missing. 3.14 is the approximate value of pie

Answer:

–500 N

Step-by-step explanation:

Action and reaction forces are equal in magnitude but opposite in direction. The negative sign indicates opposite direction (Refer to Newton's 3rd Law of motion).

-185/100 = -1.85

a) -1.08 this number id greater than -1.85

b) 190/100 = 1.9 this number is greater than -1.85

c) -35/20 = -1.75 this number is greater than -1.85

All these numbers are greater than -185/100

Answer:

20 Aussies

Step-by-step explanation:

20% times 5 = 100%

4 times 5 = 20 Aussies

So, there are 20 Aussies in a group.

Answer:

20

Step-by-step explanation:

4/20%

4/\(\frac{2}{10}\)

4 x \(\frac{10}{2}\) = \(\frac{40}{2}\) = 20

Answer:

w

Step-by-step explanation:

The amount of water they need to bring depends on how long they will be hiking.

Answer:

5

Step-by-step explanation:

If 30 equals 4 and 60 equals 7, then 40 will equal 5 and 50 will equal 6.

The equation for the transformed logarithm that passes through the points (3,0) and (0,2) can be written as f(x) = -b * log(base a)(x - h) + k, where a, b, h, and k are constants to be determined.

To find the equation for the transformed logarithm, we need to use the given points (3,0) and (0,2) to determine the values of a, b, h, and k. Let's start with the point (3,0). Plugging the x-coordinate (3) into the equation, we have:

0 = -b * log(base a)(3 - h) + k

Next, we'll use the point (0,2) to obtain another equation. Plugging the x-coordinate (0) into the equation, we get:

2 = -b * log(base a)(0 - h) + k

Simplifying these equations, we have a system of equations to solve for a, b, h, and k. However, since the equation involves a logarithm, we need more information to determine the specific values of a, b, h, and k.The transformed logarithm function includes transformations such as vertical stretches/compressions (b), horizontal shifts (h), and vertical shifts (k). Without more specific information about these transformations or the base of the logarithm, it is not possible to determine the equation uniquely.

In general, the equation for a transformed logarithm can be written as f(x) = -b * log(base a)(x - h) + k, where a, b, h, and k are constants determined by the specific transformations applied to the logarithm function. It's important to have additional information or instructions to determine the values of a, b, h, and k and provide an equation that accurately represents the given transformed logarithm.

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For a large enough n (i.e., N≥n), any subset of [1, n] containing at least n/c elements must have three equally spaced numbers.

This is a classic problem in combinatorics known as the van der Waerden's theorem. The theorem states that for any positive integers k and c, there exists a positive integer N such that any subset of {1, 2, ..., N} with cardinality at least N/k contains an arithmetic progression of length k.

In the specific case you mentioned, we have k=3 and the set S has at least n/c elements. So, according to the van der Waerden's theorem, there exists a positive integer N such that any subset of {1, 2, ..., N} with cardinality at least N/3 contains a 3-term arithmetic progression.

Therefore, for a large enough n (i.e., N≥n), any subset of [1, n] containing at least n/c elements must have three equally spaced numbers.

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The equation of the line which passing through the point and parallel to the line which has undefined slope is y=0(x)-6

Given that,

The point is (1/2,-6)

We have to find the equation of the line which passing through the point and parallel to the line which has undefined slope.

We know that,

The equation of the line has a formula that is y=mx+b

m is the slope of the line

b is the intercept

m is slope that is undefined means

m is 0.

Now, b is

y=0(x)+b

y=b

Here y is from the point -6

b is -6

So, we get equation has

y=0(x)-6

Therefore, The equation of the line which passing through the point and parallel to the line which has undefined slope is y=0(x)-6

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Answer:

4x= 40

Step-by-step explanation:

40/4 = 10

Answer:

Rr = 51 : 68

Step-by-step explanation:

The expected number of flips until the first time that your previous 2012 flips are htht is 4096. Since each flip has a 50/50 chance of being heads or tails, the probability of getting htht is 1/4096. So, the expected number of flips until the first time that your previous 2012 flips are htht is 4096.

The expected number of flips until the first time that your previous 2012 flips are htht is 4096. This is because each flip has a 50/50 chance of being heads or tails, so the probability of getting htht on the first try is 1/4096. Since the probability of getting htht on the first try is 1/4096, the expected number of flips until the first time that your previous 2012 flips are htht is 4096. To calculate this, we use the formula E(x) = n * p, where E is the expected number of flips, n is the number of flips, and p is the probability of getting htht. In this case, we would plug in n=2012 and p=1/4096, so E(x) = 2012 * (1/4096) = 4096. Therefore, the expected number of flips until the first time that your previous 2012 flips are htht is 4096.

E(x) = n * p

E(x) = 2012 * (1/4096)

E(x) = 4096

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Answer:

the answer to the problem is m= -3

To determine whether the assumption of constant error variance is satisfied for a model with tut, independent variables x, and x₂, you would examine the residual plot where the residuals are plotted against predicted values y.

This plot is also known as the plot of residuals versus fitted values. In this plot, if the residuals are randomly scattered around the horizontal line of zero, then the assumption of constant error variance is satisfied. However, if there is a pattern in the residuals, such as a funnel shape or a curve, then the assumption of constant error variance may not be met. It is important to ensure that the assumption of constant error variance is met, as violation of this assumption can lead to biased and inefficient estimates of the model parameters. Additionally, it can affect the reliability of statistical inferences and lead to incorrect conclusions.
In summary, to determine whether the assumption of constant error variance is satisfied for a model with tut, independent variables x, and x₂, you would examine the residual plot where the residuals are plotted against predicted values y. It is important to check this assumption to ensure the validity of the model and the accuracy of the results.This plot allows you to assess the variance of the residuals and identify any patterns, which could indicate that the assumption of constant error variance may not be met. If the plot shows no discernible pattern and the spread of residuals appears to be uniform across the range of predicted values, the assumption of constant error variance is likely satisfied.

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Answer is below. Look at the steps to clearly understand my answer.

Now, the first time to simplifying this to add both sides by 1.

2x - 1 = 8 → 2x - 1 + 1 = 8  + 1

Since we added both sides, we'll now simplify the problem.

Add both numbers.

Lastly, we'll divide both sides of the equation by the same term.

Now, cancel both terms that are in both the numerator and denominator.

If you look back at the fraction, 2 is in  the numerator and denominator, so we'll cancel those terms.

When you cancelled the terms, you should get x = 9/2.

Any questions? Comment below.

Answer:

Hi, there the answer is \(x=\frac{9}{2}\)

Step-by-step explanation:

Step 1: Add 1 to both sides.

2x−1+1=8+1

2x=9

Step 2: Divide both sides by 2.

2x /2 = 9 /2

x= 9 /2

Hope This Helps :)

Two sports cars leave the same city at 9 A. M. One heads south at 30 mi/h, while the other travels east at 25 mi/h. So The two sports cars are approximately 79.57 miles apart at noon.

The first car is traveling south at a speed of 30 mi/h, and the second car is traveling east at a speed of 25 mi/h. To find the distance between them at noon, we need to calculate the displacement of each car during the three-hour period. The first car travels 30 mi/h for three hours, covering a distance of 90 miles south. The second car travels 25 mi/h for three hours, covering a distance of 75 miles east. By applying the Pythagorean theorem, we can find the distance between the two cars, which is approximately 79.57 miles.

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Answer:

\(f(x) = - 2x - 3\)

when x is r + 2 :

\(f(r + 2) = - 2(r + 2) - 3 \\ = - 2r - 4 - 3 \\ = - 2r - 7 \\ \\ { \boxed{ \boxed{f(r + 2) = - 2r - 7}}}\)

Answer:

a is a solid

Step-by-step explanation: because its the only whole one but i could be wrong