reverse mean higher GCSE questions.


Pete has seven Shetland ponies. They have a mean height of 116cm.
Pete buys an eighth pony. The height of this pony is 128cm.
Find the mean height of all eight ponies.

Answer:

423

Step-by-step explanation:

A seam or edge is an obvious line where the foundation starts or stops. This term refers to a clear boundary or distinction between two areas or surfaces, such as when applying makeup.

A seam or edge is an obvious line where the foundation starts or stops. These lines indicate the boundary of where foundation makeup should be applied or where it should end. It is important to blend the foundation seamlessly into the skin to avoid any noticeable lines or streaks. Additionally, applying a primer beforehand can help smooth out the skin's texture and create a more even base for foundation application. By taking the time to properly blend and apply foundation, you can achieve a flawless, natural-looking complexion.
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Step-by-step explanation:

123,546,789 > 123,456,789

The value of x is 8.37

What is the area of the shaded region?

The area of the shaded area is the difference between the total area of the polygon and the area of the portion of the polygon that is not shaded. In polygons, the area of the shaded component might appear in two different ways. A polygon's sides or its center are both potential locations for the shaded area.

Here, we have

Given: The area of the shaded region is 20cm².

we have to find the value of x.

x in this case is the radius. In fact, both the height and base are the radius.

To find the radius, we need to form an equation. The only info given is with the area of the shaded area which is 20cm².

The area of the sector - an area of the triangle = the shaded area.

Area of the sector = πr²/4

Area of triangle = (1/2)bh

Area of the triangle = x²/2

The area of the triangle is in that way, as the height and base are x ( and x is the radius here!)

=  πr²/4 - x²/2

Multiply 4 with the whole equation as it is the LCM.

= 4(πr²/4 - x²/2) = 80

= πx² - 2x² = 80

= 1.142x² = 80

x² = 70.1

x = 8.37

Hence, the value of x is 8.37

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\(\log_4 (2-x) = \log_4 (-5x-18)\\\\\implies 2-x = -5x -18\\\\\implies 5x -x = -18-2\\\\\implies 4x = -20\\\\\implies x = -\dfrac {20}4\\\\\implies x = -5\)

the equation that models the data is:

y = x - 1

To determine which kind of function best models the data in the table, we should examine the pattern in the y-values as the x-values change. From the given data, we can see that for every increase of 1 in the x-value, the y-value either increases by 1 or decreases by 1. This suggests that the relationship between x and y is linear.

To confirm this, let's plot the data points on a graph:

x y

0 -1

1 0

2 1

3 2

We can see that the plotted points lie on a straight line, which further confirms that the relationship is linear.

Now, we need to determine which equation best models the data. We can use the information from the table and the graph to find the slope and y-intercept of the line that models the data.

From the table and graph, we can see that the y-intercept is -1, and for every increase of 1 in x, y increases by 1. This means that the slope is 1.

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Answer: 1, 2, and 4

Step-by-step explanation:

1. Cooper included ALL truthful information.

2. Brianna KNOWS she has the funds.

3. Allison makes a large purchase WITHOUT knowing how she will pay.

4. Greg discloses ALL fees.

The value of the expression 2b plus 4a minus a minus 2 plus 12b is 3a + 14b - 2.

Expression:

An expression is defined as the a combination of operators, constants and variables. And it may consist of one or more operands, and zero or more operators to produce a value.

Given,

Here we have the statement "2b plus 4a minus a minus 2 plus 12b".

Now, we have to find the simplified form of this statement.

In order to find the simplified form,

First we have to convert the statement into expression form, then we get

2b plus 4a minus a minus 2 plus 12b = 2b + 4a - a - 2 + 12b

Now, we have to combine the like terms, then we get,

=> (2b + 12b) + (4a - a) - 2

Perform the appropriate arithmetic operations, then we get the simplified form of the expression as,

=> 14b + 3a - 2

Now, we have to arrange them in order then we get,

=> 3a + 14b - 2

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Answer:b

Step-by-step explanation:

Answer:

1- B

2- D

3- ?

4- B

5- ?

Answer:

A

Step-by-step explanation:

You should always multiply before adding or subtracting. By saying "a product of 8 and 3," it means we multiplied them together first.

You should then add and subtract in the order in which they appear. Saying "five more" before "minus 2" means we did it in the right order.

The range of the function y=-16t²+24t+2 is y ≤ 11.

What is the definition of a function?

A function is a mathematical relationship between a set of inputs and a set of outputs, where each input is associated with a unique output. In other words, it is a rule or process that assigns exactly one output value to each input value. The input values are typically represented by the variable x, while the output values are represented by the variable y. Functions are often written in the form y = f(x), where f is a symbol representing the function.

Now,

The given function is:

y = -16t² + 24t + 2

To find the range, we can find the vertex of the parabola. The vertex will be

t = -b/2a

where a = -16, b = 24.

Substituting the values, we get:

t = -24/(2*(-16))

t = -24/-32

t = 0.75

Substituting t = 0.75 in the given function, we get:

y = -16(0.75)² + 24(0.75) + 2

y = -9 + 18 + 2

y = 11

Therefore, the vertex of the parabola is (0.75, 11). Since the parabola opens downwards, the range is y ≤ 11. Thus, the relative range of the given function is y ≤ 11.

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Answer:The radius of a circle is 7 centimeters. What is the length of a 135° arc? 135⁰ r=7 cm Give the exact answer in simplest form. centimeters​  

Step-by-step explanation:The radius of a circle is 7 centimeters. What is the length of a 135° arc? 135⁰ r=7 cm Give the exact answer in simplest form. centimeters​ jus do it

Answer:

Hey buddy, here is your answer. Hope it helps you.

Step-by-step explanation:

8+8=16.

To find the Laplace transform of a given function, we will use the Laplace transform definition and properties.

Problem 21: Unfortunately, you didn't provide the given function for problem 21, so I am unable to assist you with finding its Laplace transform.

Problem 22: Again, you didn't provide the given function for problem 22. Without the specific function, I am unable to provide a step-by-step explanation for finding its Laplace transform.

Problem 23: Assuming the term-by-term integration of the infinite series is permissible, we can proceed as follows:
1. Start with the given infinite series.
2. Take the Laplace transform of each term separately using the Laplace transform definition and properties.
3. Add up the transformed terms to get the Laplace transform of the entire series.

Note: Without the actual function or series for problem 23, I cannot provide a specific solution.

In conclusion, please provide the given functions for problems 21 and 22, as well as the specific series for problem 23, so that I can assist you in finding their Laplace transforms.

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Answer:

y = -1x - 3

Step-by-step explanation:

y = mx + b

m = slope = -1

b = y-intercept = -3

Plug in

y = -1x - 3

Answer:

y = -x - 1

Step-by-step explanation:

Slope - Intercept form is y = mx + b

m = slope

b = y-intercept

We already have the slope of -1.  Substitute it into the equation.

y = -x + b

To find b, substitute the given point (2, -3) into the equation.  

-3 = -2 + b

b = -1

Substitute the value of b into the equation and you are left with:

y = -x - 1

1. This is false. This is a good result for RMSE.

2. This is false. You should choose the model with the RMSE closest to 1

The statement "Model #1 has an RMSE of -1.45" is not possible. RMSE (Root Mean Square Error) is a measure of the average deviation between the predicted values and the actual values, and it is always a positive value. Therefore, the statement is false.

Regarding the second statement, it is false as well. When choosing a model with the best prediction accuracy, you should aim for the model with the lowest RMSE value. RMSE measures the prediction error, and a smaller value indicates better accuracy. So, you should choose the model with the RMSE closest to 0, rather than 1.

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Answer:53km/h

Step-by-step explanation:

you divide 424 by 8 in order to find the unit rate or the amount of kilometers per hour

To determine the probability that a man and woman getting married both have at least a bachelor's degree, we need to make certain assumptions.

Firstly, we must assume that the probability of a man having at least a bachelor's degree is independent of the probability of a woman having at least a bachelor's degree. Additionally, we must assume that the population of men and women with at least a bachelor's degree is representative of the population of all married couples.
Assuming these conditions are met, we can estimate the probability of a man having at least a bachelor's degree as well as the probability of a woman having at least a bachelor's degree using data from the relevant population. We can then calculate the joint probability of both events occurring simultaneously by multiplying the probabilities of each event. Without data, it is difficult to provide an exact probability. However, according to the U.S. Census Bureau, as of 2019, approximately 35% of the U.S. population aged 25 and older have at least a bachelor's degree. Therefore, assuming that the probabilities are independent, the probability of a man having at least a bachelor's degree is approximately 0.35, and the probability of a woman having at least a bachelor's degree is also approximately 0.35.
Multiplying these probabilities together, we get an estimated probability of 0.1225 or 12.25% chance that a man and woman getting married both have at least a bachelor's degree. However, it's important to remember that this is only an estimate and may not hold true for all populations or regions.

To determine the probability that a man and a woman getting married both have at least a bachelor's degree, we need to make some assumptions and use the concept of probability.
Assumptions:
1. The probability of a man having a bachelor's degree is independent of the probability of a woman having a bachelor's degree.
2. We know the probabilities of a man and a woman having a bachelor's degree in the given population.
Let P(M) be the probability of a man having a bachelor's degree, and P(W) be the probability of a woman having a bachelor's degree. To find the probability of both the man and the woman having a bachelor's degree, we simply multiply these two probabilities:
P(both have bachelor's degree) = P(M) * P(W)
So, the probability that a man and a woman getting married both have at least a bachelor's degree depends on the individual probabilities of a man and a woman having a bachelor's degree in the population under consideration.

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Answer:

6.875 or 6 and 7/8

Step-by-step explanation:

You do 30 divided by 12 which is 2.5.

So the sugar will be 2 and 3/4 times 2.5

2 and 3/4 is the same as 2.75

2.75 x 2.5 is 6.875 or 6 and 7/8

So the amount of sugar you need to make 30 tarts is 6.875 or 6 and 7/8

The amount of interest for the year was 3,770 cents, and the regular price of the electric drill that Pamela bought before the discount was 21,927 cents

Interest = P x R x T.

Where:

P = Principal amount (the beginning balance).

R = Interest rate

T = Number of time periods

In this case, we are given that;

Principal amount (P) = $580

Interest rate (R) = 6,5 %

Time = 1 year

Hence, The amount of the interest = 6,5% of $580

                                                     = 0.065 × $580

                                                     = $37.7

1 dollar = 100 cents

Hence, $37.7 = 37.7 × 100 cents equal to 3,770 cents

P = (1 – d) x

Where,

P = Price after discount

D = discount rate

X = regular price

In this case, we are given that:

P = $32.89

D = 85% = 0,85

Hence, the regular price:

P = (1 – D) x

32.89 = (1 – 0.85) X

32.89 = 0.15X

X = 32.89/0.15

X= 219.27

1 dollar = 100 cents

Hence, $219.27 = 219.27 × 100 cents equal to 21,927 cents

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Answer:

4

Step-by-step explanation:

Answer:

4

Step-by-step explanation:

Answer:

1

Step-by-step explanation:

Build-borrow-or-buy.

The build-borrow-or-buy framework is a conceptual model used by strategists to help them decide whether to build capabilities internally, borrow them through partnerships and alliances, or buy them through mergers and acquisitions. The framework helps organizations identify the most efficient and effective way to acquire the resources, capabilities, and competencies they need to achieve their strategic goals. It is a useful tool for decision-making when considering growth strategies, and can help managers evaluate the costs, risks, and benefits of each option.

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(a) build-borrow-or-buy. This framework helps strategists decide whether to pursue internal development, enter into an alliance, or acquire new resources, capabilities, and competencies.

the build-borrow-or-buy framework suggests that companies have three options when it comes to acquiring new resources and capabilities. First, they can build or develop these resources and capabilities internally through investments in research and development or employee training. Second, they can borrow or enter into strategic alliances with other companies to gain access to new resources and capabilities. Finally, they can buy or acquire companies that already possess the desired resources and capabilities.

the build-borrow-or-buy framework provides a structured approach for companies to evaluate their options when it comes to acquiring new resources and capabilities. By considering the pros and cons of each option, companies can make more informed decisions that align with their strategic goals and objectives.


The build-borrow-or-buy framework is a conceptual model that helps strategists decide whether to seek internal development (build), enter into an alliance (borrow), or acquire new resources, capabilities, and competencies (buy). This model assists organizations in evaluating their options for growth and resource allocation based on their strategic goals and objectives.

the build-borrow-or-buy framework is a valuable tool for strategists when choosing between internal development, alliances, or acquisitions to achieve their organization's growth and resource needs.

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Answer:

your answer is 6

Step-by-step explanation:

well order of operations

first  parentheses

-10/5+2(-2)^2

next exponents

-10/5+2(4)

now divide/multiply from left to right

-2+2(4)

-2+8

and lastly add/ subtract from left to right

6

Answer:

x=0, x=3, x=-2

Step-by-step explanation:

factor the equation

x(x^2-x-6)

factor more

x(x-3)(x+2)

set it equal to 0

x(x-3)(x+2)=0

plug in numbers for x that would result in the answer being 0

0(0-3)(0+2)=0

3(3-3)(3+2)=0

-2(-2-3)(-2+2)=0

The athlete that has the shortest training ride is athlete A.

The athlete that has the shorter range is Athlete B.

The athlete that has the greater median is Athlete B.

The athlete that has the greater IQR is  athlete A.

A box plot is used to study the distribution and level of a set of scores. The box plot consists of two lines and a box. the two lines are known as whiskers. The first whisker represents the minimum number and the second whisker represents the maximum number. The difference between the whiskers is known as range.

Range of Athlete A = 36 - 13 = 13

Range of Athlete B = 30 - 19 = 11

Training ride of  Athlete A = 16

Training ride of  Athlete B = 21

On the box, the first line to the left represents the lower (first) quartile. The next line on the box represents the median. The third line on the box represents the upper (third) quartile.

Median of  Athlete A = 20

Median of  Athlete B = 25

IQR of  Athlete A = 30 - 16 = 14

IQR of  Athlete B = 28 - 21 = 7

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The missing statements in the given paragraph proof are:

1)  corresponding angle postulate

2) angles 3 and 1

3) transitive property of parallel lines

In this question, we have been given  a paragraph proof.

we need to complete this proof.

We have been given L || K and M || K

To prove: L || M

Since L || K, ∠2 ≅ ∠1 by the corresponding angle postulate

Since M || K, angles 3 and 1 are congruent for the same reason.

By the transitive property of congruence, ∠2 ≅ ∠3

By the transitive property of parallel lines, L || M

Therefore, the missing statements in the given paragraph proof are:

1)  corresponding angle postulate

2) angles 3 and 1

3) transitive property of parallel lines

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\(the \: answer \: is \: \frac{1}{10} \)

\(\blue{———hope it helps———}\)

\(\large{ \pink{ \underline{ { \sf{Answer}}}}}\)

\(the \: answer \: is \: \frac{1}{10} \)

Function f(t)∗δ(t−T) = f(t−T).

we can solve the function in the following way

1. Start with the convolution equation: f(t)∗δ(t−T).

2. Substitute the definition of the Dirac delta function: δ(t−T) = 1 when t = T, and δ(t−T) = 0 otherwise.

3. The convolution integral becomes: ∫f(t)⋅δ(t−T) dt.

4. Since δ(t−T) is 0 everywhere except at t = T, the integral simplifies to: ∫f(t)⋅δ(t−T) dt = ∫f(t)⋅1 dt.

5. The integral of 1 with respect to t is simply t: ∫f(t)⋅1 dt = f(t).

6. Therefore, the result of the convolution is f(t−T), as t is replaced with t−T in the original function f(t).

7. So, the final equation is f(t)∗δ(t−T) = f(t−T), indicating that the convolution of f(t) with the shifted Dirac delta function δ(t−T) yields f(t−T).

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Answer:

90

Step-by-step explanation:

9 x (3)2 + 9 first do the parenthesis

9 x 9 + 9 I am assuming the 2 was an exponent

81+9

90