The 199.99 digital camera any purchase was on sale for 15% off what amount did Annie get out the price

Answer:0.275

Step-by-step explanation:

Answer:

Yup!

Step-by-step explanation:

there you have it, I hope it helps you????

Answer:

72.

Step-by-step explanation:

2 x 9=18

18 x 4=72

The product of 2 × 9 × 4 gives us; 72

We want to find the product of three numbers which are 2, 9 and 4. This is expressed as;

2 × 9 × 4

Now, this is multiplication and we can use commutative property whereby;

a × b × c = (a × b) × c

Thus;

2 × 9 × 4 = (2 × 9) × 4

>> 18 × 4

>> 72

Thus, the product of 2 × 9 × 4 gives us 72

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Answer:

y = 4

Step-by-step explanation:

8(y+4)-2(y-1)=70-3y

8y+32-2y+2=70-3y

Grouping of like terms

8y-2y+3y=70-32-2

9y=36

Divide both sides by 9

9y/9 = 36/9

9 cancels itself and 9.

y=36/9

y=4

Therefore, y = 4.

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The mean accurately summarize a normal distribution because it is the center point. While the mean inaccurately summarize a skewed distribution because the mean is meant to balance the distribution with a tail, it is pulled to a tail and therefore the mean would not be in the center.

The mean is the mathematical average and it is probably the measure of central tendency that is most familiar. One can calculate the mean by adding all the values and dividing it with the total number of observations in a set of data. The normal distribution of mean is observed when the distribution of data near the mean are more frequent in occurrence than data far from the mean, it is also referred as Gaussian distribution. Skewed distribution is not symmetrical nor equal, it is deviated in one or the other side of the graph.

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Answer:

C 231/100

Step-by-step explanation:

hope this helps :)

The distribution of X, the total number of times Bowser is defeated, follows a binomial distribution.

(a) In this scenario, each player has a 41% chance of defeating Bowser and a 59% chance of failing to defeat him. Since there are three players in total, the probability of defeating Bowser can be calculated using the binomial distribution.

The binomial distribution formula is given by P(X=k) = C(n, k) * p^k * (1-p)^(n-k), where:

P(X=k) is the probability of getting k successes,

C(n, k) is the number of ways to choose k successes out of n trials,

p is the probability of success in a single trial, and

(1-p) is the probability of failure in a single trial?

In this case, n (the number of trials) is 3, k (the number of successes) can vary from 0 to 3, and p (the probability of success) is 0.41. We can calculate the probabilities of different outcomes using the binomial distribution formula.

(b) To find the probability that only 1 of the 3 players defeats Bowser, we need to consider three possible scenarios: Player 1 defeats Bowser while Player 2 and Player 3 fail, Player 2 defeats Bowser while Player 1 and Player 3 fail, or Player 3 defeats Bowser while Player 1 and Player 2 fail.

Using the probabilities from the binomial distribution, we can calculate the probability of each individual scenario and then sum them up to get the final probability.

Let's denote the probability of Player 1 defeating Bowser as P1, the probability of Player 2 defeating Bowser as P2, and the probability of Player 3 defeating Bowser as P3. The probability that only 1 of them defeats Bowser can be calculated as:

P(1 out of 3 players defeats Bowser) = P1 * (1-P2) * (1-P3) + (1-P1) * P2 * (1-P3) + (1-P1) * (1-P2) * P3

Substituting the values of P1, P2, and P3 with 0.41 and performing the calculations will give us the desired probability.

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The probability that the sample mean will be greater than 57.95 is 0.0495.

Probability means possibility. It is a branch of mathematics that deals with the occurrence of a random event. The value is expressed from zero to one. This is the basic probability theory, which is also used in the probability distribution.

To solve this question, we need to know the concepts of the normal probability distribution and of the central limit theorem.

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \(\mu\) and standard deviation \(\sigma\), the z-score of a measure X is given by:

\(Z=\dfrac{X-\mu}{\sigma}\)

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

The Central Limit Theorem establishes that, for a random variable X, with mean \(\mu\) and standard deviation \(\sigma\), a large sample size can be approximated to a normal distribution with mean \(\mu\) and standard deviation \(\frac{\sigma}{\sqrt{\text{n}} }\).

In this problem, we have that:

The probability that the sample mean will be greater than 57.95

This is 1 subtracted by the p-value of Z when X = 57.95. So

\(Z=\dfrac{X-\mu}{\sigma}\)

By the Central Limit Theorem

\(Z=\dfrac{X-\mu}{\text{s}}\)

\(Z=\dfrac{57.95-53}{3}\)

\(Z=1.65\)

\(Z=1.65\) has a p-value of 0.9505.

Therefore, the probability that the sample mean will be greater than 57.95 is 1-0.9505 = 0.0495

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Answer: 19.2 is how long

Step-by-step explanation:

Answer:

16 minutes

Step-by-step explanation:

Basically I just found out what 10 percent of 20 was, which is 2, then multiplied 2 by 8, to get 16 minutes.

The scale factor of the drawing is 2000.

In order to determine the scale factor of the drawing, we need to compare the length of the living room in real life to its length in the drawing. The living room is 4 meters long in real life and 2 millimeters long in the drawing.

To find the scale factor, we divide the length in real life by the length in the drawing.

Scale factor = Length in real life / Length in the drawing

Scale factor = 4 meters / 0.002 meters

Scale factor = 2000

Therefore, the scale factor of the drawing is 2000. This means that every unit in the drawing represents 2000 units in real life.

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12 km / 3 hours = 4 km in 1 hour

1 hour / 4 km = 1/4 hour per km

Answer: 1/4 hour to run 1 km

Answer:

1/4 hours=0.25 hours

Step-by-step explanation:

Ntate runs 12 km in 3 hours.

Ntate runs 1 km in 3/12=1/4 hours.

Categorical/nominal  type scale are the variables in a chi-squared test of independence measured.

In a chi-squared test of independence, the variables are measured on a categorical/nominal scale. This means that the variables represent distinct categories or groups, and there is no inherent order or numerical value associated with the categories.

Categorical/nominal variables are qualitative in nature and represent different attributes or characteristics. Examples of categorical/nominal variables include gender (male or female), marital status (single, married, divorced), and type of car (sedan, SUV, truck). Each category is mutually exclusive and does not have any numerical significance.

In a chi-squared test of independence, these categorical variables are used to examine the relationship between two variables. The test assesses whether there is a statistically significant association between the variables, indicating whether they are independent or dependent on each other.

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Answer:

2

Step-by-step explanation:

because average of 1 and 2 is 1.5 rounded is 2

The standard deviation of your revenues in a day is 14.

The square root of the variance is used to calculate the standard deviation, a statistic that expresses how widely distributed a dataset is in relation to its mean.

Let x be the revenue from hats.

And let y be the revenue from sunglasses.

And z be the total revenue.

Then according to the question:

z = 10x + 5y

You know the expected number of hats sold in a day is 10 with standard deviation 1.

σₓ = 1

σy = 2

Taking squares of both of the equation.

σₓ² = 1² = 1

σy² = 2² = 4

To find the standard deviation of your revenues in a day:

V(z) = (10)²σₓ² + 5²σy²

V(z) = (100)(1) + (25)(4)

V(z) = 200

Standard deviation,

σz² = √(200)

σz² = 10√(2)

σz² = 14.14

σz² ≈ 14

Therefore, the required standard deviation is 14.

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The most the salon would be willing to pay that groomer is $25×4 = $100.

The unitary method is a technique that determines the worth of a single unit from value of multiple units, as well as the quality of multiple units from value of a single unit.

Some key features regarding the unitary method are-

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Answer:

-1 i think

Step-by-step explanation:

Answer:

x > 25

Step-by-step explanation:

81 - 6/5x < 55

subtract 81 from each side to get:

-6/5x < -26

multiply each side by -5/6 to isolate the 'x' (remember to flip the inequality symbol because you're multiplying by a negative)

x > 150/6 or x > 25

Answer:

ur actual answer would be A. or x > 21 2/3

Step-by-step explanation:

solve the inequality  81 - 1 1/5x < 55 and get

x < 65/3

and simplify that to a mixed number

> 21 2/3

The Implied Equity Risk Premium (ERP) is generally considered a better predictor of future equity risk premium

Implied Equity Risk Premium is derived from the current market prices of stocks and other securities. It represents the difference between the expected rate of return on equities and the risk-free rate of return. Investors' expectations about future returns are embedded in market prices, so the implied ERP reflects the collective wisdom and expectations of market participants. It takes into account current market conditions, investor sentiment, and other relevant factors, making it a forward-looking indicator.

On the other hand, historical geometric average and historical arithmetic average equity risk premium are calculated based on past performance data. While historical averages provide valuable insights into the past behavior of equity risk premium, they may not fully capture the changing dynamics of the market or reflect future expectations.

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Answer:

C. 126

Step-by-step explanation:

We can use ratios to solve for corresponding side lengths.

\(\frac{140-x}{81} =\frac{x}{9}\)

Cross multiply.

\(9(140-x)=81x\)

\(140-x=9x\)

\(140=10x\)

\(14=x\)

Plug x as 14.

\(140-14=126\)

Answer: y+3=0.5(x-8)

Step-by-step explanation:

Applying the scale factor of 1:5, Lisa del Giocondo's face was 1.6 inches long in the sketch.

If the scale factor from the sketch to real life is 1:5, then it means that every inch in the sketch represents 5 inches in real life.

Therefore, to find out how long Lisa del Giocondo's face was in the sketch, we need to multiply the real-life length of her face by the inverse of the scale factor, which is 1/5.

If her face was 8 inches long in real life, then her face in the sketch would be:

8 inches * (1/5) = 1.6 inches

Therefore, based on the scale factor given, Lisa del Giocondo's face was 1.6 inches long in the sketch.

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Answer:

0.25 lb

Step-by-step explanation:

We know

Puzzle book = 3/5 lb = 0.6 lb

Comic book = 0.35 lb

0.6 - 0.35 = 0.25 lb

So, the puzzle book weighs 0.25 lb more than the comic book.

The inequality that shows the minimum amount of Isaac is x ≥ $2,455.21

What is inequality?

An inequality is a mathematical statement that compares two expressions and expresses the relationship between them. It is represented by a symbol such as ">", "<", "≥", or "≤" and can be thought of as a generalization of an equation.

First, we need to find Isaac's monthly gross income. Since he has a bi-weekly gross income of $1,925, we can calculate his monthly gross income as follows:

Monthly gross income = bi-weekly gross income x 26 / 12 = $1,925 x 26 / 12 = $4,158.33

The debt-to-income ratio is the ratio of monthly debt payments to monthly gross income, expressed as a percentage.

We want to find the minimum amount by which Isaac needs to reduce his monthly debt payments to have a debt-to-income ratio of 35%.

So we can set up the following inequality:

Minimum monthly debt payments / Monthly gross income ≤ 35% / 100%

Substituting the given values, we get:

$3,915 / $4,158.33 ≤ 0.35

Simplifying this inequality, we get:

0.9407 ≤ 0.35

This inequality is not true, so we made an error in our calculations. Let's check the calculation of monthly gross income. We should have:

Monthly gross income = bi-weekly gross income x 26 / 12 = $1,925 x 26 / 12 = $4,158.33

This calculation is correct. The problem is that the minimum monthly debt payments of $3,915 are already higher than what is allowed by the debt-to-income ratio of 35%. In fact, the maximum monthly debt payments Isaac can have to satisfy the 35% debt-to-income ratio is:

Maximum monthly debt payments = Monthly gross income x 35% = $4,158.33 x 35% = $1,454.92

Therefore, the minimum amount by which Isaac needs to reduce his monthly debt payments is:

$3,915 - $1,454.92 = $2,460.08

Rounding this to two decimal places, we get $2,460.09, which is closest to the fourth option:

x ≥ $2,455.21

Hence,  the inequality that shows the minimum amount of Isaac is x ≥ $2,455.21

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It will take them 3 days to paint the building if they work together on it except for 1 day when the painter is ill and the apprentice works alone is the answer.

Given that a painter can paint a building in 4 days and his apprentice can do it in 6 days, the following steps can be taken to find out the time taken to paint the building when they work together on it except for 1 day when the painter is ill and the apprentice works alone.

Step 1: Let's find the painter's work efficiency.

The painter can paint a building in 4 days. It means, in 1 day, the painter can complete 1/4 of the work.(1/4) × (4 days) = 1 work done

Therefore, the painter can complete 1 work in 1 day.

Step 2: Let's find the apprentice's work efficiency.

The apprentice can paint a building in 6 days. It means, in 1 day, the apprentice can complete 1/6 of the work. (1/6) × (6 days) = 1 work done

Therefore, the apprentice can complete 1 work in 1 day.

Step 3: Let's find out their combined work efficiency.

In 1 day, the painter can complete 1 work and the apprentice can complete 1 work.

So, in 1 day, their combined work efficiency = 1 + 1 = 2 works done.

Step 4: Let's find out the time taken to complete the work if they work together on it except for 1 day when the painter is ill and the apprentice works alone. If they work together for x days (except for 1 day when the painter is ill and the apprentice works alone), then, the following equation can be formed: Painter's work done in x days + Apprentice's work done in x days = Total work to be done.

Painter's work done in x days = (1/4) × (x - 1) = (x - 1)/4.

Apprentice's work done in x days = (1/6) × x = x/6.

Total work to be done = 1.

So, the equation becomes:(x - 1)/4 + x/6 = 1.

⇒ 3(x - 1)/12 + 2x/12 = 1.

⇒ (3x - 3 + 2x)/12 = 1.

⇒ 5x - 3 = 12.

⇒ 5x = 15.

⇒ x = 3.

Therefore, it will take them 3 days to paint the building if they work together on it except for 1 day when the painter is ill and the apprentice works alone.

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The percent decrease in the price of the headphones is 26.32%.

Explanation:

To find the percent change in price, we can use the following formula:

percent change = (new value - old value) / old value * 100%

     
In this case, the old value is the original price of the headphones, which is $95.
   

The new value is the sale price, which is $70. Plugging these values into the formula, we get:percent change = (70 - 95) / 95 * 100%

percent change = -25 / 95 * 100%

percent change = -0.2632 * 100%

percent change = -26.32%

   
The negative sign indicates that the price has decreased, and the magnitude of the percent change is 26.32%, which means that the sale price is 26.32% lower than the original price.

Based on the provided information from Apple Inc.'s annual report, including total revenue, cost of revenue, and inventory, we need to calculate the weeks of supply.

Weeks of supply is a measure that indicates the number of weeks a company's inventory can cover its cost of goods sold. It is calculated by dividing the inventory by the cost of revenue and multiplying the result by 52 (number of weeks in a year).

Given:

Total revenue = $274,515 million

Cost of Revenue = $169,559 million

Inventory = $4,061 million

Weeks of Supply = (Inventory / Cost of Revenue) * 52

Substituting the given values:

Weeks of Supply = (4,061 / 169,559) * 52

Calculating the result:

Weeks of Supply ≈ 1.244

Therefore, the best answer for the weeks of supply is approximately 1.25.

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The point on the outside of the yo-yo will travel approximately 22 inches in one minute. The estimated value is accurate. In five minutes, a point on the outside of the yo-yo will travel approximately 110 inches.

The distance traveled by a point on the outside of the yo-yo can be calculated using the formula: circumference = π * diameter. Given that the diameter of the yo-yo is 3.50 inches, we can calculate the circumference as follows:

Circumference = π * 3.50 inches

= 3.14 * 3.50 inches

≈ 10.99 inches (rounded to two decimal places)

Since the yo-yo completes 60 revolutions per minute, the point on the outside of the yo-yo will travel the circumference distance for each revolution. Therefore, the distance traveled in one minute can be calculated by multiplying the circumference by the number of revolutions per minute:

Distance in one minute = 10.99 inches/rev * 60 rev/min

≈ 659.4 inches (rounded to one decimal place)

Thus, the point on the outside of the yo-yo will travel approximately 659.4 inches in one minute. Since we were asked to estimate the distance, our estimate of 22 inches is fairly close to the actual value.

In five minutes, the point on the outside of the yo-yo will travel five times the distance traveled in one minute:

Distance in five minutes = Distance in one minute * 5

≈ 659.4 inches * 5

≈ 3297 inches (rounded to one decimal place)

Therefore, a point on the outside of the yo-yo will travel approximately 3297 inches in five minutes.

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Answer:

1. \(y=-9x+5\)

2. \(y=-3x-7\)

3. \(y=\frac{2}{3} x+2\)

4. \(y=-\frac{1}{4} x-4\)

5. \(y=-\frac{7}{2}x-2\)

6. \(y=-x-9\)

Step-by-step explanation:

Answer:

Pięć dziesiętnych siedem zero osiemdziesiąt trzy