An square aquarium which is 15cm long has 1250 millilitres of water how much more water needed to fill the aquarium completely

Answer:

\(\huge \boxed{\mathrm{\bold{D.} \ 315}}\)

Step-by-step explanation:

Odd numbers from the list are 75, 189, and 315.

75, 189, and 315, are composite numbers.

Prime factorization of 75 = 3 × 5 × 5

Prime factorization of 189 = 3 × 3 × 3 × 7

Prime factorization of 315 = 3 × 3 × 5 × 7

315 is an odd number, and a composite number that is divisible by 3 different prime numbers.

Step-by-step explanation:

Odd numbers from the list are 75, 189, and 315.

75, 189, and 315, are composite numbers.

Prime factorization of 75 = 3 × 5 × 5

Prime factorization of 189 = 3 × 3 × 3 × 7

Prime factorization of 315 = 3 × 3 × 5 × 7

315 is an odd number, and a composite number that is divisible by 3 different prime numbers.

Answer:

153.9

Step-by-step explanation:

Diametre = 14, Radius = diametre/2 = 14/2 = 7

Area of circle = π*r^2,   π=3.14

= 3.14*7^2

=3.14*49

=153.9

Answer:

binomial

Step-by-step explanation:

i learned about binomials

Answer:

10

Step-by-step explanation:

2+10+18+14+6= 50

then divide by 5 to get mean = 10

Answer:

the answer is 10

Step-by-step explanation:

if you add up all the numbers you get 50

and if you divide it by the number of results, in this case 5, you get 10!

Answer:

60

Step-by-step explanation:

Answer:

h(x) = - 2x² + 3

Step-by-step explanation:

Given f(x) then f(x) + c is a vertical translation of f(x)

• If c > 0 then a shift up of c units

• If c < 0 then a shift down of c units

Here the shift is 7 units up , then

h(x) = f(x) + 7 = - 2x² - 4 + 7 = - 2x² + 3

The answer of the given question based on finding the area of the polygon  the answer is option (c) area = 261 units².

Area is a measure of the amount of space inside a two-dimensional (flat) figure or shape. It is typically measured in square units like square centimeters (cm²), square meters (m²), square inches (in²), or square feet (ft²). To find the area of a shape, we typically use a formula that depends on the type of shape we are dealing with.

To find the area of the polygon, we need to subtract the areas of the two cut-out shapes from the area of the square.

First, let's calculate the area of the rectangle, which is 9 units by 3 units:

Area of rectangle = length x breadth = 9 x 3 = 27  units²

Next, let's calculate the area of the square cut out from one corner of the larger square. We know that the side of the square is 6 units, so the area of the square is:

Area of square = side x side = 6 x 6 = 36 units²

Now we can calculate the area of the polygon by subtracting the areas of the rectangle and square from the area of the square:

Area of polygon = Area of square - Area of rectangle - Area of square

Area of polygon = 18 x 18 - 27 - 36

Area of polygon = 324 - 27 - 36

Area of polygon = 261  units²

Therefore, the answer is option (c) area = 261 units².

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Answer:

180

Step-by-step explanation:

a^2 + b^2 = c^2

(18^2)+(80^2)=6724

square root of 6724 is 82

82+18+80 = 180

In the question, the independence assumption may have been violated, while the Nearly Normal Condition is likely justified. Therefore, the use of the Student-t model for inference may be unreliable.

a) In order to perform a hypothesis test on the claim made by the diet guide, we need to assess the assumptions and conditions required for reliable inference. The independence assumption states that the observations are independent of each other. In this case, it is not explicitly mentioned whether the yogurt samples were independent or not. If the samples were obtained from the same batch or were not randomly selected, the independence assumption could be violated.

Regarding the Nearly Normal Condition, which assumes that the population of interest follows a nearly normal distribution, it is reasonable to assume that the distribution of calorie counts in vanilla yogurt is approximately normal. However, since we do not have information about the population distribution, we cannot definitively justify this condition.

b) The appropriate hypotheses for testing the claim made by the diet guide would be:

H0: The average calories per serving of vanilla yogurt is 120.

HA: The average calories per serving of vanilla yogurt is not equal to 120.

To test these hypotheses, we can use a t-test for a single sample. The test statistic (t) can be calculated by taking the mean of the sample calorie counts and subtracting the claimed average (120), divided by the standard deviation of the sample mean. The p-value can then be determined using the t-distribution and the degrees of freedom associated with the sample.

Without the actual sample mean and standard deviation, it is not possible to provide the specific test statistic and p-value for this scenario. These values need to be calculated using the given data (calorie counts) in order to draw a conclusion about the claim made by the diet guide.

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Answer: -1/5 would be the answer. Or in decimal form it would be -0.2

Answer:

\(-\frac{5}{25}\) is already a fraction

Answer:

352

Step-by-step explanation:

originally 351.86 but 352 when rounded

Answer:

  (x, y) = (-1, 5)

Step-by-step explanation:

You want to solve this system of equations by substitution.

The idea of substitution means we want to replace an expression in one equation for an equivalent expression based on the other equation.

Here, the second equation gives an expression equivalent to "y", so we can use that expression in place of y in the first equation:

  5x +2(-2x +3) = 5 . . . . . . . . (-2x+3) substitutes for y

  x +6 = 5 . . . . . . . . . . simplify

  x = -1 . . . . . . . . . subtract 6

  y = -2(-1) +3 = 5 . . . . . use the second equation to find y

The solution is (x, y) = (-1, 5).

__

Additional comment

Choosing substitution as the solution method often works well if one of the equations gives an expression for one of the variables, or if it can be solved easily for one of the variables. The "y=" equation is a good candidate for providing an expression that can be substituted for y.

Any equation that has one of the variables with a coefficient of +1 or -1 is also a good candidate for providing a substitution expression.

  4x -y = 3   ⇒   y = 4x -3 . . . . . for example

The attached graph confirms the solution above.

The ratio in simplest form in the three cases is 5 : 6, 36 : 29 and 1 : 5.

30 treadmills to 36 elliptical machines can be simplified to 5 treadmills to 6 elliptical machines. To simplify, you can divide both numbers by their greatest common factor, which in this case is 6.

30/6 = 5 and 36/6 = 6

So 30 : 36 = 5 : 6

180 red marbles to 145 blue marbles can be simplified to 12 red marbles to 11 blue marbles. To simplify, you can divide both numbers by their greatest common factor, which in this case is 5.

180/5 = 36 and 145/5 = 29

180 : 145 = 36 : 29

In the word "flashlight", the ratio of vowels to total letters is 2:8. The word "flashlight" has 2 vowels (a,i) and 10 total letters. To simplify divide by 2.

2 : 10 = 1 : 5

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To estimate equity beta using a regression approach, you would typically follow these steps:

Gather historical price data for the stock or equity you want to analyze, as well as the corresponding market index data. The market index should represent the overall market movement, such as the S&P 500 or the relevant industry index.

Calculate the periodic returns for both the equity and the market index. These returns are typically calculated as the percentage change in prices over a specific time period, such as daily, weekly, or monthly.

Run a linear regression analysis, with the equity returns as the dependent variable and the market index returns as the independent variable. The slope of the regression line represents the beta coefficient.

Interpret the estimated beta coefficient. A beta greater than 1 indicates that the stock tends to be more volatile than the overall market, while a beta less than 1 suggests lower volatility compared to the market. A beta of 1 indicates that the stock moves in line with the market.

Now, let's discuss potential problems when estimating beta:

Non-stationarity: Beta estimation assumes that the relationship between the equity and the market index is stable over time. However, if there are structural changes in the market or the company, the estimated beta may not accurately reflect the future relationship.

Time period selection: The length of the time period used for estimating beta can impact the results. Different time periods may yield different beta estimates, which could introduce variability and uncertainty.

Volatility clustering: Financial markets often experience periods of high volatility followed by periods of low volatility. If the estimation period includes both volatile and calm periods, it may result in an inflated or deflated beta estimate.

Thin trading or illiquidity: Stocks with low trading volumes or limited liquidity may have more pronounced price swings, leading to unreliable beta estimates. The lack of trading activity can make it challenging to capture the stock's true risk characteristics.

Company-specific factors: Beta estimation assumes that all the risk associated with the stock is systematic, or market-related. However, some companies may have unique factors, such as industry-specific risks or company-specific events, which can affect their stock returns and introduce noise in the beta estimation.

It is important to consider these potential problems when estimating beta and interpret the results cautiously, keeping in mind the limitations and assumptions associated with the regression approach.

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Answer:

7 - y

Step-by-step explanation:

The sum of -7 and y: -7 + y

The opposite of the sum: -(-7 + y) = 7 - y

According to the recursive definition for the length of a string, the length |001| is 3. The term "recursive" refers to a process that defines something in terms of itself, "length" refers to the number of characters in the string, and "string" is a sequence of characters. In this case, the string "001" has three characters (0, 0, and 1), so its length is 3.

According to the recursive definition for the length of a string, |001| is 3. The length of a string is defined as 0 if the string is empty, and 1 plus the length of the string without its first character if the string is not empty. In this case, the string "001" is not empty, so its length is 1 plus the length of the string "01" without its first character. Since the string "01" is also not empty, its length is 1 plus the length of the string "1" without its first character. Finally, the string "1" is a single character and has a length of 1, so the total length of "001" is 1 + 1 + 1 = 3.
Recursion is the process of calling itself. This process provides a way to break complex problems into simpler processes that are easier to solve. Recursion can be a bit confusing. The best way to determine how it works is to experiment with it.

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The angle that the vector makes with the positive x-axis is approximately 32 degrees. To find the angle that the vector makes with the positive x-axis, we can use the formula.

θ = arctan(A_y / A_x)

where A_x is the x-component of the vector and A_y is the y-component of the vector.

In this case, A_x = 26 m and A_y = 16 m. Plugging these values into the formula, we have:

θ = arctan(16 / 26)

Using a calculator, the approximate value of θ is 32.2 degrees.

Therefore, the angle that the vector makes with the positive x-axis is approximately 32 degrees.

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Answer:

88×2.54 = 223.52cm ×3.14 =701.8528 =702cm

Answer:

The crafts worker would need 702 cm of trim.

Hope this helps!

Step-by-step explanation:

The trim is the circumference of the circle.

Circumference is 2πr.

The radius of the circle is 44 inches.

2 × π × 44 = 276.46 inches

276.56 inches × 2.54 = 702.4624 cm

Using an arithmetic sequence, it is found that the bus had 42 occupants immediately after the 10th stop.

In an arithmetic sequence, the difference between consecutive terms is always the same, called common difference d.

The nth term of an arithmetic sequence is given by:

\(a_n = a_1 + (n - 1)d\)

In which \(a_1\) is the first term.

As a function of the mth term, the nth term is given by:

\(a_n = a_m + (n - m)d\)

At each of the 20 stops, 3 people get on and no one leaves, hence the common difference is given by:

d = 3.

There are 3 times as many bus occupants at the end of the 20th stop as there are at the end of the 4th stop, hence:

\(a_{20} = 3a_4\)

We consider that:

\(a_{20} = a_{4} + 16d\)

\(a_{20} = a_4 + 48\)

Then:

\(3a_4 = a_4 + 48\)

\(2a_4 = 48\)

\(a_4 = 24\)

At the 10th stop, the number of occupants is given as follows:

\(a_{10} = a_4 + 6d = 24 + 6(3) = 42\)

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Answer:

true

Step-by-step explanation:

Answer:

true

Step-by-step explanation:

beacuse 60 in 10 seconds is fast

and 42 in 6 seconds i slow→←↑↓

egro i will hang you from my door

Answer:

9.92

Step-by-step explanation:

8.63 x 1.15=9.92

The number of units produced increases from 2 to 452 as the number of factory workers increases from 0 to 90, which gives;

Part A:

Part B:

Part C:

Part A:

The correlation is the relationship between variables based on statistical data.

From the given table, the difference between consecutive terms of the x and y-values are constant, therefore as the x-values increases, the corresponding y-value increases.

Change in x-values, ∆x = 10 - 0 = 20 - 10 = 30 - 20 = 10

Change in y-values, ∆y = 52 - 2 = 102 - 52 = 152 - 102 = 50

Therefore;

Part B:

Given that the rate of change of the x-values is constant, and the rate of change of the y-values is a constant, the function relating the x and y-values is a linear function, which can be found as follows;

Slope of the equation, m = ∆y/∆x

Which gives;

m = 50/10 = 5

y - 2 = 5•(x - 0)

The function that best fits the data is therefore;

Part C:

The slope of the function is the coefficient of the variable x in the equation, y = m•x + c

The y-intercept of the function is the value of the constant term, c, in the equation, y = m•x + c

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While a common rule of thumb is to have a minimum sample size of 100 for continuous data to be statistically significant, the actual appropriate sample size may vary depending on the specific study design and research question. Option(D)

In statistics, the term "statistical significance" refers to whether an observed effect or relationship in the data is likely to be real and not just due to random chance. To determine statistical significance, we often perform hypothesis testing.

The sample size is a crucial factor in hypothesis testing. A larger sample size generally provides more reliable and precise estimates of population parameters and increases the statistical power of the test. With a larger sample size, even smaller effects or differences between groups can become statistically significant.

While there is no hard and fast rule for the minimum sample size to achieve statistical significance, a common guideline is to aim for at least 30 samples. This guideline is often used in the context of the Central Limit Theorem, which states that the sampling distribution of the sample mean becomes approximately normally distributed with a mean equal to the population mean and a standard deviation equal to the population standard deviation divided by the square root of the sample size.

In practice, the appropriate sample size depends on various factors, including the nature of the data, the effect size being studied, the desired level of confidence, and the statistical test used. Researchers often conduct sample size calculations based on these factors before conducting their studies to ensure they have an adequate sample size to achieve meaningful results and detect significant effects if they exist.

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Answer: b= 318

Step-by-step explanation:

7b= 2226

b=   2226/7= 318

Answer:(d)

Step-by-step explanation:

Given

AB=AC

\(\therefore\) We can write

\(\angle ABC=\angle ACB\ \quad \text{[angles corresponding to equal sides are equal]}\)

\(\angle ABC=\angle BCA=\angle ACB=65^{\circ}\)

Answer:

4:9

Step-by-step explanation:

Answer:

the y is always gonna be a difrent like a negative and a postive

Step-by-step explanation:

the y on the left if it's a positive the y on the right Is nightie ect

9514 1404 393

Answer:

  18

Step-by-step explanation:

The least common denominator (LCD) is the least common multiple (LCM) of the denominators.

Here, the denominators are ...

  9 = 3·3

  6 = 3·2

So, their LCM is 3·3·2 = 18.

The least common denominator of the given fractions is 18.

__

  7/9 = 14/18

  11/6 = 33/18

Answer:

9/10

Step-by-step explanation:

9m = 540s

540/60 = 9

600/60 = 10

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