need some help with the question in the image

cheers ​

Answer:

10 (love biking)

Step-by-step explanation:

The ratio is 2(Skateboarding):5(biking) which, when doubled is; 4(skateboarding):10(biking)

skateboarding: biking

2:5

2+5=7

14÷7=2

2×5=10

10 students love biking

hope that helps:)

Answer:

240

Step-by-step explanation:

Answer:

  240

Step-by-step explanation:

You want the least common multiple of 30, 60, and 240 by the division method.

First, we'll look for common divisors. We notice all the numbers are even, so we start with 2:

  \(\begin{array}{c|ccc}2&30&60&240\\3&15&30&120\\5&5&10&40\\2&1&2&8\\&-&1&4\end{array}\)

The remaining "uncommon" divisor, 4, is not prime, but any additional divisors put in the left column will have that as their product.

The LCM is the product of the common divisors and the remaining uncommon divisors:

  (2)(3)(5)(2)(4) = 240

The LCM of 30, 60, 240 is 240.

__

Additional comment

If you're paying attention, you know that 30 and 60 are divisors of 240, so 240 is the LCM of these numbers.

The division method lists prime divisors down the left column, and the result of division by that on the next row. When a row is all prime numbers, you're done. Or, as here, when there is only one number in the row that is greater than 1, you're done. When a column ends in 1, it is removed from further consideration.

<95141404393>

9514 1404 393

Answer:

  decrease

Step-by-step explanation:

39 is less than 74, so the change is a decrease, both in absolute and relative (percentage) terms.

__

The percentage change is ...

  (39/74 -1) × 100% = -47.3% . . . . a decrease when the sign is negative

Answer:

36/5

Step-by-step explanation:

36/5 is the answer.

21/3 +1/2*4/10

7+1/5

36/5

please mark me brainliest

The positive difference between the two probabilities is 11/35.

To calculate the probability that three distinct numbers chosen at random without replacement from the set would have an even sum, Jan would consider the number of ways to choose three even numbers (4 choose 3) and divide that by the total number of combinations of three numbers (7 choose 3).

To calculate the probability that three distinct numbers chosen at random without replacement from the set would have an even product, Judy would consider the number of ways to choose three numbers such that the product is even (3 choose 2) and divide that by the total number of combinations of three numbers (7 choose 3).

The positive difference between the two probabilities would be the difference between these two calculations. In this case, 11/35 is a positive difference, meaning that the probability of having an even product is 11/35 higher than the probability of having an even sum.

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The distribution of values taken by a statistic in all possible samples of the same size from the same population is known as the sampling distribution of the statistic.

In other words, it refers to the distribution of a particular statistic, such as the sample mean or sample proportion, if we were to take all possible samples of a given size from a population.

The sampling distribution is an important concept in statistics because it allows us to make inferences about a population based on a sample.

By examining the sampling distribution of a statistic, we can determine the range of values that the statistic is likely to take and calculate the probability of observing a particular value or range of values.

This information can be used to make inferences about the population parameter from which the sample was drawn.

For example, suppose we want to estimate the mean income of all individuals in a particular city. We could take a random sample of individuals from the city and calculate the sample mean.

The sampling distribution of the sample mean would then give us information about the range of values that the true population mean is likely to take, as well as the probability of observing a particular sample mean.

This information could be used to construct confidence intervals or perform hypothesis tests to make inferences about the population mean.

In summary, the sampling distribution is a key concept in statistics that allows us to make inferences about a population based on a sample. It refers to the distribution of values taken by a statistic in all possible samples of the same size from the same population.

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Answer:

C

Step-by-step explanation:

1.5 half lives times 5730 years per half life is 6590 years.

Fraction:  A number expressed as a quotient, in which a numerator is divided by a denominator. In a simple fraction, both are integers. A complex fraction has a fraction in the numerator or denominator. In a proper fraction, the numerator is less than the denominator.

Fraction still left equals 0.5n, where n is the total number of half lives that have already passed.

Fraction left = 0.45, thus you have 0.45 = 0.5n and by figuring out n, you get,

n = log 0.5 + log 0.45

-0.347 = -0.301n

Half lives for n = 1.15 have passed.

1.5 half lives times 5730 years per half life is 6590 years.

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6590 years are equal to 1.5 half lives times 5730 years per half life.

What does "fraction" mean?

A fraction is a number that is expressed as a quotient by dividing the numerator by the denominator. Both are integers in a simple fraction. A fraction appears in the numerator or denominator of a complex fraction. The numerator of a proper fraction is less than the denominator.

Where n is the total number of half lives that have already occurred, the fraction of time left is equal to 0.5n.

Fraction left = 0.45, thus you have 0.45 = 0.5n and by figuring out n, you get,

n = log 0.5 + log 0.45

-0.347 = -0.301n

Half lives for n = 1.15 have passed.

1.5 half lives times 5730 years per half life is 6590 years.

Answer:

16,25 Pa

Step-by-step explanation:

P=F/A;

650/40 = 16,

We know that 4 times 64 equals 256, so know we need to figure out what 64/4 is. 16. Now, 16/4, which is 4. 4 to the power of 4 equals 256.

Answer: 4

Answer: 11

Step-by-step explanation:

Ok so I'm guessing you are wondering what is the value of the 3 equal sides. First you subtract 7 from 40 and get 33. Then divide 33 by 3 and you'll get 11.  

40-7=33

33/3=11

Answer:

1.0x10\(x^{8}\)

Step-by-step explanation:

Scientific notation is a number between 1-10 multiplied by 10 to the power of the amount of numbers following the first digit.

The first number in 100000000 is 1. Followed by 8 zeros.

1.0x10^8. the 1.0 is the first digit and the 8 comes from the zeros.

Answer:

The first one, third one, fourth one, and sixth one.

Step-by-step explanation:

I hope this helps!

The measure of four angles would be 180 degrees, which is equal to four times 45 degrees, or 180 degrees.

To calculate the measure of four angles, we can use the following steps. First, we need to determine the measure of one angle. In this case, we are given that the measure of one angle is 45 degrees. Second, we need to multiply the measure of one angle by the total number of angles, which in this case is four. This gives us 45 degrees multiplied by four, which equals 180 degrees. Therefore, the measure of four angles is equal to 180 degrees. Third, we can check our answer by adding the measures of all four angles together. If the sum of all four angles is equal to 180 degrees, then our answer is correct. In this case, 45 degrees plus 45 degrees plus 45 degrees plus 45 degrees equals 180 degrees, so our answer is correct.

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There are 4 hits and 4 misses in the address sequence 0, 2, 4, 8, 10, 12, 14, 8, 0 using the MRU replacement policy.

LRU replacement policy

There are 5 hits and 3 misses in the address sequence 0, 2, 4, 8, 10, 12, 14, 8, 0 using the LRU replacement policy.

The status of the cache after each address is accessed is as follows:

Address of Memory Block Accessed | Evicted Block | Hit or Miss

--------------------------------|------------|------------

0                              | N/A         | Hit

2                              | N/A         | Hit

4                              | 0           | Miss

8                              | 2           | Hit

10                             | 4           | Miss

12                             | 8           | Hit

14                             | 12          | Miss

8                              | 14          | Hit

0                              | 8           | Hit

4.2 - MRU (most recently used) replacement policy

There are 4 hits and 4 misses in the address sequence 0, 2, 4, 8, 10, 12, 14, 8, 0 using the MRU replacement policy.

The status of the cache after each address is accessed is as follows:

Address of Memory Block Accessed | Evicted Block | Hit or Miss

--------------------------------|------------|------------

0                              | N/A         | Hit

2                              | N/A         | Hit

4                              | 0           | Miss

8                              | 2           | Hit

10                             | 4           | Miss

12                             | 8           | Hit

14                             | 10          | Miss

8                              | 12          | Hit

0                              | 14          | Hit

As you can see, the LRU replacement policy results in 1 fewer miss than the MRU replacement policy. This is because the LRU policy evicts the block that has not been accessed in the longest time, while the MRU policy evicts the block that has been accessed most recently.

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To draw the image of quadrilateral ABCD under a translation by 1 unit to the right and 4 units up, we will move each point of the quadrilateral in the specified direction.

Let's assume the coordinates of the original quadrilateral ABCD are as follows:

A(x₁, y₁), B(x₂, y₂), C(x₃, y₃), D(x₄, y₄)

To perform the translation, we will add the given values to the x-coordinates and y-coordinates of each point:

A'(x₁ + 1, y₁ + 4), B'(x₂ + 1, y₂ + 4), C'(x₃ + 1, y₃ + 4), D'(x₄ + 1, y₄ + 4)

Now, plot the original quadrilateral ABCD and then move each point to its corresponding new position.

For example, if point A had coordinates (2, 3), after the translation, it will move to (2 + 1, 3 + 4) = (3, 7). Similarly, you can calculate the new coordinates for points B, C, and D using the same process.

Once you have the new coordinates for each point, connect them to form the image of the quadrilateral ABCD under the translation.

The new quadrilateral A'B'C'D' will be a shifted version of the original quadrilateral, 1 unit to the right and 4 units up.

It's important to note that the scale and proportions of the quadrilateral will remain the same after the translation. Only its position in the coordinate plane will change.

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Given:

The arithmetic sequence is −15, −33, −51, −69.

To find:

The nth term of the arithmetic sequence.

Solution:

We have,

−15, −33, −51, −69

Here,

First term: a = -15

Common difference is

\(d = -33-(-15)\)

\(d = -33+15\)

\(d = -18\)

Now, nth term  of an arithmetic sequence is

\(a_n=a+(n-1)d\)

Substitute a=-15 and d=-18.

\(a_n=-15+(n-1)(-18)\)

\(a_n=-15-18n+18\)

\(a_n=-18n+3\)

Therefore, the nth term of the given arithmetic sequence is \(a_n=-18n+3\).

Answer:

y=3x+29

Step-by-step explanation:

4y=12x+29

4y/4=12x+29/4

y=3x+29

Answer:

(7,5)

Step-by-step explanation:

Answer:

Step-by-step explanation:

The function is to blurry to see but you would not set the height function equal to zero. Instead h should be set to the height of the basket. The time elapsed would be the second time the ball was at the height of the basket. If I guess what the function is as

-16t^2+18t+8=10

-16t^2+18t-2=0

-16t^2+16t+2t-2=0

-16t(t-1)+2(t-1)=0

(-16t+2)(t-1)=0

So the ball is at 10ft at 0.125s and 1s. So it enters the hoop after 1 second. Of course this is dependent on if I guessed at the correct equation from the picture.

The line integral along the following curve has a value of roughly "6.1579" when the line integral ds is evaluated where C is the curve defined by x=t³, y=2t-1 for c 0t2.

The curve is presented as "x = t3" and "y = 2t - 1" for the range "0 t 2". We must calculate the differential of the line element 'ds' in order to assess the line integral: 'ds = (dx2 + dy2)"In this case, dx/dt = 3t2 and dy/dt = 2. Thus, `dx = 3t² dt` and `dy = 2 dt`.Substituting these values in the line element, we get: `ds = √(dx² + dy²) = √(9t⁴ + 4) dt`

The line integral is therefore given by: "ds = (9t4 + 4) dt"

We need to find the value of this integral along the given curve, so we can substitute the value of `x` and `y` in the integrand:`∫χ √(9t⁴ + 4) dt = ∫₀² √(9t⁴ + 4) dt`

This integral is quite difficult to solve by hand, so we can use numerical methods to approximate its value. Simpson's Rule with 'n = 4' intervals yields the following result: '02 (9t4 + 4) dt 6.1579'

As a result, "6.1579" is roughly the value of the line integral along the given curve.

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The results of the divisions are:

1. 955/8 = 115 remainder 3

2. 249/7 = 35 remainder 4

3. 1,557/9 = 173 remainder 0

4. 2,448/8 = 306 remainder 0

5. 499/2 = 249 remiander 1

6. 396/6 =  66 remainder 0

7. The quotient will be in the tens since the value of 425 is between the product of 9 and 10 and 9 and 100.

The results of the given divisions are found as follows by means of long division:

1. 955/8 = 115 remainder 3

115 * 8 + 3 = 955

2. 249/7 = 35 remainder 4

35 * 7 + 4 = 249

3. 1,557/9 = 173 remainder 0

173 * 9 = 1557

4. 2,448/8 = 306 remainder 0

306 * 8 = 2448

5. 499/2 = 249 remiander 1

249 * 2 + 1 = 499

6. 396/6 =  66 remainder 0

66 * 6 = 396

7. 425/9 = 47 remainder 2

47 * 9 + 2 = 425

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The correct answer to the question is option c) An effect modifier.

A case-control study is a type of observational study that compares two groups of individuals: those who have the disease or outcome under investigation (cases) and those who do not (controls).

It aims to determine if an exposure or risk factor is associated with the development of the disease or outcome.

In this case, the results of the study indicate that there is a difference in the odds ratio (OR) between the two strata, which suggests that the characteristic being studied is an effect modifier.

An effect modifier is a factor that modifies the effect of the exposure on the outcome and leads to different measures of association across different levels of the factor.

Therefore, the characteristic is an effect modifier as it leads to different ORs in the two strata.

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Strategies such as fast-tracking, crashing, prioritization, and resource optimization can be employed to reduce the project completion time by 5 weeks.


To reduce the completion time of the project by 5 weeks, we need to analyze the provided information and make appropriate adjustments. The initial completion time of the project is 25 weeks.

To achieve a reduction of 5 weeks, we can consider several strategies:

1. Fast-tracking: This involves overlapping or parallelizing certain project activities that were initially planned to be executed sequentially. By identifying tasks that can be performed concurrently, we can potentially save time. However, it's important to evaluate the impact on resource allocation and potential risks associated with fast-tracking.

2. Crashing: This strategy focuses on expediting critical activities by adding more resources or adopting alternative approaches to complete them faster. By compressing the schedule of critical tasks, we can reduce the overall project duration. However, this may come at an additional cost.

3. Prioritization: By reevaluating the project tasks and their priorities, we can allocate resources more efficiently. This ensures that critical activities receive higher attention and are completed earlier, resulting in an accelerated project timeline.

4. Resource optimization: Analyzing the resource allocation and identifying potential areas for optimization can lead to time savings. By ensuring that resources are utilized effectively and efficiently, we can streamline the project execution process.

It's important to note that implementing any of these strategies requires careful evaluation, considering factors such as project constraints, risks, cost implications, and stakeholder agreements. A comprehensive analysis of the project plan, resource availability, and critical path can guide the decision-making process for reducing the project completion time.

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Answer:

- 20/21

Step-by-step explanation:

Calculate the product

5/6 x (-8/7)

Multiplying a positive and a negative equals a negative

(+)x(-)=(-)

-5/6 x 8/7

Reduce the number with the greatest common factor 2

-5/3 x 4/7

Multiply the fractions

-20/21

Solution

-20/21

Alternate form

- 0.952380

Answer

Simplify the expression.

Exact Form:

−20/21

Decimal Form:

−0.952380

Step-by-step explanation:Please mark as brainliest!

I'm not sure if I'm right on this though

The option that shows that the derivative of a function as well as its intervals is decreasing is option C (Image attached).

A derivative is known to be a tool that help us to know the altering relationship that between two variables. The derivative formula is known to be ddx. xn=n.

Note that:

F¹(x) =  e^sinx - cosx - 1

Set:

F¹(x) > 0

e^sinx  > cosx - 1

0.633 < x < 4.155  and 6,916 < x < 9

So, if you look at the equation, the option that fits into the equation is option c:

Therefore, The option that shows that the derivative of a function as well as its intervals is decreasing is option C (Image attached).

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In the antibiotic experiment described in the textbook, the independent/experimental variable is the antibiotic treatment.

The independent/experimental variable in the antibiotic experiment refers to the factor that the researchers manipulate or control to observe its effect on the outcome of the experiment. In this case, the independent variable is the antibiotic treatment. The experiment likely involves exposing a group of subjects (such as bacteria or animals) to different levels or types of antibiotics.

By varying the antibiotic treatment, researchers can examine how different doses or types of antibiotics affect the outcome of interest, such as the growth or survival rate of bacteria or the health of the animals. This allows them to assess the effectiveness or efficacy of different antibiotics in combating bacterial infections.

The experiment may involve multiple treatment groups, each receiving a different dosage or type of antibiotic, while a control group might receive no antibiotic treatment or a placebo. By comparing the outcomes among the different groups, researchers can determine the impact of the independent variable (antibiotic treatment) on the dependent variable (e.g., bacterial growth, animal health).

Overall, the independent/experimental variable in the antibiotic experiment described in the textbook is the antibiotic treatment, which is manipulated to observe its effects on the relevant outcome variables.

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Answer:

J,C,H,D,B, and G

Step-by-step explanation:

J and C: 358 + 352 = 610

H and D: 441 + 189 = 630

B and G: 550 + 300 = 850

610 + 630 = 1240

1240 + 850 = 2090

This is what i think is the closest you can get to the max.

To determine Km from a double-reciprocal plot, you would choose option (A) which is to multiply the reciprocal of the x-axis intercept by -1.

In the double-reciprocal plot equation, the x-axis intercept is -1/Km, and the y-axis intercept is 1/Vmax. Therefore, if you take the reciprocal of the x-axis intercept, you get -Km, and multiplying it by -1 gives you Km.

This method is preferred because it is more accurate than estimating Km based on the position of the curve on the plot or by taking the x-axis intercept where V0 = 1/2 Vmax, which can be influenced by experimental error.

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