Write the percent as a decimal.
95%

Answer:

0.4 cm

Step-by-step explanation:

10 mm = 1 cm thus 4mm / 10  = 0.4 cm

The total number of miles that Parker would have to run is given as follows:

88.41 miles.

A geometric sequence is a sequence of numbers where each term is obtained by multiplying the previous term by a fixed number called the common ratio q.

As the number of miles increases by 5% each week, the common ratio is obtained as follows:

100% + 5% = 105% = 1.05.

Hence the number of miles each week is given as follows:

Then the total number of miles is given as follows:

16 + 16.8 + 17.64 + 18.52 + 19.45 = 88.41 miles.

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The total number of students is 853.

The number of students who chose pepperoni pizza is 254 + 143 = 397

Divide this by the total of students multiplied by 100 to get the percentage :

ANSWER :

The closest answer is 47%

Answer:

The intercept is - 1.

Hope this helps :)

Step-by-step explanation:

In the function y = - x - 1 the initial value which is the y-intercept is - 1, and the line intercepted at -1 on the y-axis. Also, the line on the graph also intercepted at - 1 on the x-axis too. So the interceptes is - 1.

Answer:

Is there a question?

Step-by-step explanation:

If it is, by the way I look at it, To “distribute” means to divide something or give a share or part of something. According to the distributive property, multiplying the sum of two or more addends by a number will give the same result as multiplying each addend individually by the number and then adding the products together.

Answer:

6 is in the tens place

Step-by-step explanation:

5 is is the hundreds place. 6 is in the tens place and 8 is in the ones place.

\(*GraceRosalia*\\*IAmAnExpertICanHelpYou*\\PleaseMarkBrainliestThankYou\)

Answer:

20:28 and 30:42

Step-by-step explanation:

Answer:

[see below]

Step-by-step explanation:

10/2 : 14/2 = 5:7

10 * 2 : 14 * 2 = 20:28

Hope this helps.

Answer: 4500

Step-by-step explanation:

a. When evaluating a model, we use R2 as a parameter for performance assessment.

b. If model A has a higher MAPE but model B has a higher R2, we choose the model with the higher R2 for better overall performance.

c. For accuracy measures, we typically use MAPE (Mean Absolute Percentage Error) due to its interpretability and ability to capture relative errors.

When evaluating a model's performance, it is crucial to choose the appropriate parameters to assess its accuracy and reliability. In the case of MAPE (Mean Absolute Percentage Error) and R2 (Coefficient of Determination), the choice between them depends on the specific evaluation goals.

The R2 parameter is commonly used for evaluating models because it measures the proportion of the dependent variable's variance that can be explained by the independent variables. R2 provides insights into how well the model fits the data and captures the relationship between the input features and the target variable. Therefore, R2 is a suitable parameter to use when evaluating a model.

When comparing two models, if model A has a higher MAPE but model B has a higher R2, it is advisable to choose the model with the higher R2 value. This is because R2 indicates the proportion of variance explained, suggesting that model B performs better in capturing the underlying patterns and predicting the target variable.

Although model A may have a lower relative error (MAPE), it is crucial to prioritize the model's ability to explain and predict the target variable accurately.

Among MAPE, MAD (Mean Absolute Deviation), and MSD (Mean Squared Deviation), MAPE is commonly preferred as a parameter for accuracy measures. MAPE calculates the average percentage difference between the predicted and actual values, making it interpretable and easily understandable.

It captures relative errors and enables comparisons across different scales and datasets. MAD and MSD, on the other hand, measure absolute and squared errors, respectively, but they do not account for the relative magnitude of the errors. Hence, MAPE is a more suitable parameter for accuracy measures.

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Answer: Third degree polynomials are also known as cubic polynomials. Cubics have these characteristics: One to three roots. Two or zero extrema.

HOPE THIS HELPS

Please brainliest

Answer:

I hope it help............

Answer:

107,100

Step-by-step explanation:

\(h(t) = 9 {t}^{2} + 900t \\ \\ plug \: t = 70 \\ \\ h(70) = 9 {(70)}^{2} + 900(70) \\ = 9 \times 4900 + 63000 \\ = 44100 + 63000 \\ = 107,100 \: cm\)

For a normal distribution with mean 54 and standard deviation 5 95.4% of them fall between 44 and 64

The z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:

\(z=\frac{x-\mu}{\sigma} \\\\where\ \mu=mean.\sigma=standard\ deviation, x=raw\ score\\\\Given\ that\ mean(\mu)=54,standard \ deviation (\sigma)=5\\\\For\ x=44:\\\\z=\frac{44-54}{5}=-2\\\\For\ x=64:\\\\z=\frac{64-54}{5}=2\)

Therefore., from the normal distribution table:

P(44<x<64) = P(-2< z < 2) = P(z < 2) - P(z < -2) = 0.9772 - 0.0228 = 0.9544

Hence, About 95.4% of them fall between 44 and 64.

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A) The given problem can be considered as an experiment as the researcher is trying to observe the effect of a new drug on quitting smoking.

B) In this experiment, the control group is composed of the participants who received skin patches with no drugs. They are used for the comparison of the effects of the treatment.

C) The treatment group in this experiment is composed of the participants who received skin patches with the new drug. This group is used to analyze the effect of the treatment.

D) Yes, there is a placebo being used in this experiment, which is the skin patch without the new drug. It is used to evaluate the effectiveness of the new drug.

Explanation:

An experiment is a study in which the researcher changes one or more variables and observes or measures the effect of those changes on another variable. In this given problem, the researcher is trying to observe the effect of a new drug on quitting smoking. Thus, it can be considered an experiment.

The control group is a group of participants who do not receive the treatment and are used for comparison with the treatment group. In this experiment, the participants who received skin patches with no drugs acted as the control group.

The treatment group, on the other hand, is a group of participants who receive the treatment and are used to analyze the effect of the treatment. In this experiment, the participants who received skin patches with the new drug acted as the treatment group.

A placebo is an inactive substance that has no therapeutic effect but is used in studies to evaluate the effectiveness of a drug or intervention. In this experiment, the skin patch without the new drug is used as a placebo to evaluate the effectiveness of the new drug. Thus, it is being used in the given experiment.

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The solution to the equation ax - b = c is x = (c + b/a).

Given the equation as ax - b = c, we are required to solve it.

To find ax - b =c

Let's isolate x by adding b on both sides,ax - b = cax - b + b = c + bax = c + b/a (add b/a on both sides)

Hence, the solution to the equation ax - b = c, a ≠ 0 is given by x = (c + b/a).This can be rewritten  as;

Given ax - b = c, where a, b, c are constants, and a ≠ 0, isolate the variable x.

To isolate the variable x, add b on both sides, which gives ax - b + b = c + b.

Simplify the equation by canceling out b on the left side, which gives;ax = c + b.

The equation can be solved for x by dividing both sides by a, which gives x = (c + b/a).

Hence, the solution to the equation ax - b = c is x = (c + b/a).

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Answer: y = 2(x + 2)² - 5

Step-by-step explanation:

          We are going to use the completing the square method to transform this quadratic equation from standard form to vertex form.

Given:

     y = 2x² + 8x + 3

Factor the 2 out of the first two terms:

     y = 2(x² + 4x) + 3

Add and subtract \(\frac{b}{2} ^2\):

     y = 2(x² + 4x + 4 - 4) + 3

Distribute the 2 into -4 and combine with the 3:

     y = 2(x² + 4x + 4) - 5

Factor (x² + 4x + 4):

     y = 2(x + 2)² - 5

The experimental probability of spinning blue is 1/4 or 0.25.

What is probability?

Probability is a way to gauge how likely something is to happen. Many things are difficult to forecast with absolute confidence. Using it, we can only make predictions about the likelihood of an event happening, or how likely it is. Probability can range from 0 to 1, with 0 denoting an impossibility and 1 denoting a certainty.

The frequency of blue from the second set of spins is 17, out of a total of 60 spins.

Therefore, the experimental probability of spinning blue is -

Experimental probability of spinning blue = frequency of blue / total number of spins

= 17 / 60

Simplifying this fraction by dividing the numerator and denominator by their greatest common factor (GCF) of 17, we get -

Experimental probability of spinning blue = 17 / 60 = (1 / 4)

Therefore, the probability value is obtained as 1/4 or 0.25.

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Average rate of change is a way to measure how a function changes over time.

The average rate of change is the average rate at which something changes over a given period of time. It is calculated by taking the difference between the initial and final values of a variable and dividing it by the amount of time that has elapsed.

For example, if the function y = 2x represents the number of hours of work completed in relation to the number of hours worked, then the average rate of change would represent the average number of hours completed for each hour worked. In this example, the average rate of change would be 2, since 2 hours are completed for each hour worked.

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The 15 cm side is equivalent to the y centimeter side.

A parallelogram is a special type of quadrilateral that has both pairs of opposite sides parallel and equal.

So from the given question the given figure can be inferred which is attached below

The "y" side of the parallelogram corresponds to the bigger side of the parallelogram, as seen in the figure, and the "x" side corresponds to the shorter side.

Since "y" relates to the longer side and the longer side is 15 cm, the 15 cm side is equivalent to the y centimeter side.

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Answer:193.395

Step-by-step explanation:

The 4-day vacation meant that there was $128.93 spent over the 4 days

The 6-day vacation is 1.5 more days than the 4-day vacation so the price spent over the 4 days will be 4 times by 1.5 to get $193.395

Answer:

i know right? It's so difficult till I'm brainless when I try to solving it

Answer:

same tbh

Step-by-step explanation:

Answer:

212

Step-by-step explanation:

starting with (xy)

you first plug in x=2 and y=3

(2×3) = 6

then we add in the exponent of 3

6^3 = 216

this is because an exponent shows you how many times the number is multiple by itself (6×6×6)

next we work on x^4 by plugging in x=2

2^4=16

2×2×2×2

we do the same for x^2

2^2=4

2×2

next we do the division

16/4=4

finally we take the 216 and 4 and do the subtraction

216-4=212

Answer:

42 minutes

Step-by-step explanation:

Answer:

Step-by-step explanation:

Answer:1 1/12

Step-by-step explanation: 3/4+1/3=13/12=1 1/12

Answer:

4.

Step-by-step explanation:

With 99% confidence interval, we estimate that the true difference in mean hours worked between female and male servers at Anchorage Bars is between -16.0727 and -13.9273 hours. Since the interval does not contain zero, it suggests that female servers work fewer hours on average compared to male servers.

To estimate the difference in mean hours worked by female and male servers at Anchorage Bars, we'll use the given information:

Sample size of female servers (n₁): 52

Sample size of male servers (n₂): 49

Sample mean of female servers (x₁): 21

Sample mean of male servers (x₂): 36

Standard deviation of female servers (s₁): 3

Standard deviation of male servers (s₂): 2

Confidence level: 99% (α = 0.01)

First, we need to calculate the standard error (SE) of the difference in means:

SE = √((s₁² / n₁) + (s₂² / n₂))

SE = √((3² / 52) + (2² / 49))

  ≈ 0.4088

Next, we calculate the margin of error (ME) using the critical value from the t-distribution with (n₁ + n₂ - 2) degrees of freedom:

ME = t * SE

For a 99% confidence level, with (n₁ + n₂ - 2) degrees of freedom, the critical value is approximately 2.6264.

ME = 2.6264 * 0.4088

  ≈ 1.0727

Finally, we construct the confidence interval for the difference in means:

(x₁ - x₂) ± ME

(21 - 36) ± 1.0727

-15 ± 1.0727

-16.0727 to -13.9273

The confidence interval for the difference in mean hours worked is approximately -16.0727 to -13.9273.

Interpretation:

With 99% confidence, we estimate that the true difference in mean hours worked between female and male servers at Anchorage Bars is between -16.0727 and -13.9273 hours. Since the interval does not contain zero, it suggests that female servers work fewer hours on average compared to male servers.

Therefore, the data suggests that male servers work more hours on average than female servers.

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Answer: the answer is D . -5(y - 3)(y - 7 )

Step-by-step explanation:

That’s the answer .

Answer:

3 family members get 126 text messages each

1 family member gets 127 text messages

Step-by-step explanation:

If you were finding the exact division of texts, 505 texts / 4 people, you would end up with 126.25 texts.

However, you can't get 0.25 of a text. If we take back each family member's 0.25 text, they will all be left with 126 texts (with an extra text leftover)

This extra text is considered the "remainder", meaning the amount left over when a number is divided [when it doesn't go into the larger number evenly]. The only importance/relevancy of a remainder is when a value cannot be split, such as a dog or a text.

So, we can give each family member 126 texts, and then we can give one family member an additional text, so that all texts are distributed.

This means that 3 family members get 126 texts, and 1 family member gets 127 texts

hope this helps!!

Answer:

109.4

Step-by-step explanation: