if a=x+y and b=x-y ,show that (a-b)^2=4y^2​

The type directions that lie in the (110) plane are Crystal planes are equivalent planes that represent a group of crystal planes with a common set of atomic indexes.

Crystallographers use Miller indices to identify crystallographic planes. A crystal is a three-dimensional structure with a repeating pattern of atoms or ions.In a crystal, planes of atoms, ions, or molecules are stacked in a consistent, repeating pattern. Miller indices are a mathematical way of representing these crystal planes.

Miller indices are the inverses of the fractional intercepts of a crystal plane on the three axes of a Cartesian coordinate system.Let us now determine which of the type directions lie in the (110) plane.[101] is not in the (110) plane because it has an x-intercept of 1, a y-intercept of 0, and a z-intercept of 1. So, this direction does not lie in the (110) plane.[110] is in the (110) plane since it has an x-intercept of 1, a y-intercept of 1, and a z-intercept of 0.

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B. "A determinant must be a primary key."

In a functional dependency, a determinant is an attribute or a set of attributes that uniquely determines the values of other attributes. The determinant is represented on the left side of the arrow in a functional dependency.

A determinant does not necessarily have to be a primary key. While a primary key uniquely identifies each record in a table, it may not always be the determinant for functional dependencies involving other attributes.

In fact, a determinant can be any attribute or combination of attributes that uniquely determines the values of other attributes in a given context.

It may consist of a single attribute or multiple attributes, as stated in option C.

Therefore, the correct answer is B. "A determinant must be a primary key."

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First, find the slope: m = Δy/Δx = (2-4)/(4-0) = -0.5

The "intercept" in the slope-intercept form of a line is the y-intercept. And at the y-intercept, x = 0. Conveniently, one of our points has an x = 0, i.e., the point (0,4). So, our equation would be y = -0.5x + 4.

If you wanted to double-check, you could use the point (4,2) to find the point-slope equation of the line and see if it matches up with the slope-intercept form above. Given a slope of -0.5 and a point (4,2), our point-slope equation would be y - 2 = -0.5(x - 4). If we expand this, we get y - 2 = -0.5x + 2. Solving for y, we obtain y = -0.5x + 4.

Thus, y = -0.5x + 4 would be our equation.

Total combinations would be found by multiplying the number of different bouquets by the number of different vases.

The problem doesn't say how many different vases there are so using the letter v for vases, multiply 11 by v

Total combinations = 11v

The five large cities in India are:

The population of large cities in India are:

The distance between the large cities in India are:

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Answer:

Find the value of what? Update the question and I will answer

Step-by-step explanation:

Answer:

its c

Step-by-step explanation:

will you please marke me as bainly

Answer:

x=5/6

Step-by-step explanation:

lcm=6x

6xX1/2x+6xX1/3x=6xX1 (divide through)

3x1+2x1=6xX1

3+2=6x

5=6x

5/6=6x/6 (divide through)

x=5/6

Hope it help

The expression that does not have a value between 0 and 1 is (c) [(8^3)^2]/(8^-4]

Expressions are mathematical statements that are represented by variables, coefficients and operators

From the question, we understand that the expression does not have a value between 0 and 1

This means that the expression is either a negative value, or it exceeds 1

The above implies that the expression is a rational expression

As a general rule, rational expressions are expressions that are represented by the quotient of two numbers or radicals.

This means that, a rational expression is represented by a fraction whose numerator and denominator are numbers or radicals

From the list of options, we have

Option (c)

This is represented as

[(8^3)^2]/(8^-4]

Apply the law of indices

So, we have

[(8^3)^2]/(8^-4] = [(8^6]/(8^-4]

Apply the law of indices

So, we have

[(8^3)^2]/(8^-4] = 8^(6 + 4)

Evaluate the expression

[(8^3)^2]/(8^-4] = 1073741824

The above expression does not have a value between 0 and 1 because 1073741824 exceeds 1

Hence, the expression that does not have a value between 0 and 1 is (c) [(8^3)^2]/(8^-4]

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Answer:

25

Step-by-step explanation:

Brainliest me pls

Have a nice day! <3

The fine amount for a speed of 50 mph would be $235. the fine amount for a given speed (s) in North Washington, taking into account the excess speed over the limit and a base fine.

In a North Washington country, the formula to determine speeding fines is given by f(s) = 13(s - 35) + 40. Let's break down the formula and understand its components.

The formula represents the relationship between the fine amount (f) and the speed of the vehicle (s). The speed of the vehicle is denoted by the variable s.

The term (s - 35) represents the difference between the speed of the vehicle and the speed limit. By subtracting 35 from the speed of the vehicle, we obtain the excess speed over the limit.

Multiplying the excess speed by 13 indicates that the fine increases by $13 for every unit of excess speed over the limit.

Adding 40 to the product of 13(s - 35) ensures that there is a base fine amount, even if the excess speed is zero. The constant term of 40 represents this base fine.

Therefore, the formula f(s) = 13(s - 35) + 40 calculates the fine amount for a given speed (s) in North Washington, taking into account the excess speed over the limit and a base fine.

To determine the specific fine amount for a particular speed, substitute the speed value into the formula. For example, if the speed of the vehicle is 50 mph:

f(50) = 13(50 - 35) + 40

      = 13(15) + 40

      = 195 + 40

      = 235

In this case, the fine amount for a speed of 50 mph would be $235.

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Answer:

will you go out with me

Step-by-step explanation:

i will make pumpkin pie

Answer:

a) X + X + 1 = 11

Step-by-step explanation:

Em matemática, a soma de consecutivos é expressa matematicamente como:

X + (X + 1) + (X + 2) + (X + 3) .............

Na pergunta acima, somos solicitados a encontrar a expressão algébrica que indica que a soma de DOIS inteiros consecutivos é igual a 11

Portanto, esta expressão algébrica é dada como:

X + (X + 1) = 11

X + X + 1 = 11

Portanto, a opção a) X + X + 1 = 11 é a opção correta

We have proved that Angle BCD is equal to angle BAD plus angle ABC plus angle ADC, as required.

To prove that angle BCD is equal to angle BAD plus angle ABC plus angle ADC, we can use the following steps:

Step 1: Join points A and C with a line segment. Let's label the point where AC intersects with line segment BD as point E.

Step 2: Since line segment AC is drawn, we can consider triangle ABC and triangle ADC separately.

Step 3: In triangle ABC, we have angle B + angle ABC + angle BCA = 180 degrees (due to the sum of angles in a triangle).

Step 4: In triangle ADC, we have angle D + angle ADC + angle CDA = 180 degrees.

Step 5: From steps 3 and 4, we can deduce that angle B + angle ABC + angle BCA + angle D + angle ADC + angle CDA = 360 degrees (by adding the equations from steps 3 and 4).

Step 6: Consider quadrilateral ABED. The sum of angles in a quadrilateral is 360 degrees.

Step 7: In quadrilateral ABED, we have angle BAD + angle ABC + angle BCD + angle CDA = 360 degrees.

Step 8: Comparing steps 5 and 7, we can conclude that angle B + angle BCD + angle D = angle BAD + angle ABC + angle ADC.

Step 9: Rearranging step 8, we get angle BCD = angle BAD + angle ABC + angle ADC.

Therefore, we have proved that angle BCD is equal to angle BAD plus angle ABC plus angle ADC, as required.

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Given: Quadrilateral \(\displaystyle\sf ABCD\)

To prove: \(\displaystyle\sf \angle BCD = \angle BAD + \angle ABC + \angle ADC\)

Proof:

1. Draw segment \(\displaystyle\sf AC\) and extend it to point \(\displaystyle\sf E\).

2. Consider triangle \(\displaystyle\sf ACD\) and triangle \(\displaystyle\sf BCE\).

3. In triangle \(\displaystyle\sf ACD\):

4. In triangle \(\displaystyle\sf BCE\):

5. Since \(\displaystyle\sf \angle BCE\) and \(\displaystyle\sf \angle BCD\) are corresponding angles formed by transversal \(\displaystyle\sf BE\):

6. Combining the equations from steps 3 and 4:

Therefore, we have proven that in quadrilateral \(\displaystyle\sf ABCD\), \(\displaystyle\sf \angle BCD = \angle BAD + \angle ABC + \angle ADC\).

\(\huge{\mathfrak{\colorbox{black}{\textcolor{lime}{I\:hope\:this\:helps\:!\:\:}}}}\)

♥️ \(\large{\underline{\textcolor{red}{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}\)

Answer:

The house painter can buy 10 cans of paint.

Step-by-step explanation:

100 ÷ 10 = 10

Hope this helps! :)

Answer: 10 because he has 100$ and each can of paint costs 10$ so you divide the money he has by the money it costs and you get 10

Step-by-step explanation:

Step-by-step explanation:

-4/5 - -3/5

-4/5 + 3/5

(-4+3)/5

=-1/5

the answer for -4/5 - -3/5 is  −1/5

Answer: 240 is your answer for 100% of the e-book

Step-by-step explanation: so if we look at the given facts, 180 is 75% of the e-book, now take this and divide 180 by 3, and you get 25% of the e-book (60 is 25%) so if we factor that back into the 180 75%, we now get 240 at 100% of the e-book read

Answer:

y=2x

Step-by-step explanation:

y=mx+b

Slope/m:

(8-(-4))/(4-(-2)=12/6=2

Y-intercept or b:

0 because it passes through the point of origin

Check by Substituting:

8=2(4)

8=8

True

Simplified expression is [(5b + 3)(b - 5) / (3b + 5)], with a restriction on the variable b ≠ -5/3.

We first factor each term in the numerator and denominator. Then, we cancel out any common factors between the numerators and denominators of both fractions. Lastly, we'll state any restrictions on the variables.

1. Factor each term:
[(10b² + 42b + 36)/(6b² – 2b – 60)] : [(40b + 48)/(3b² – 13b + 10)]

(10b² + 42b + 36) = 2(5b² + 21b + 18) = 2(5b + 3)(b + 6)
(6b² - 2b - 60) = 2(3b² - b - 30) = 2(3b + 5)(b - 6)
(40b + 48) = 8(5b + 6)
(3b² - 13b + 10) = (3b - 2)(b - 5)

2. Substitute the factored terms back into the expression and cancel common factors:

[2(5b + 3)(b + 6) / 2(3b + 5)(b - 6)] : [8(5b + 6) / (3b - 2)(b - 5)]

Dividing by a fraction is equivalent to multiplying by its reciprocal, so:

[2(5b + 3)(b + 6) / 2(3b + 5)(b - 6)] * [(3b - 2)(b - 5) / 8(5b + 6)]

Now, cancel out common factors:

[(5b + 3)(b - 5) / (3b + 5)]

3. State any restrictions on the variables:

The restrictions on the variables are values of b that would cause the denominator to equal zero. In this case, those values are:

3b + 5 = 0
3b = -5
b = -5/3

So, the simplified expression is [(5b + 3)(b - 5) / (3b + 5)], with a restriction on the variable b ≠ -5/3.

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If the average square footage in an apartment in a town is 1,800 square feet with a standard deviation of 120 square feet, the square footage is normally distributed and if you randomly select 10 apartments in the town, then the probability that the mean will be more that 1900 square feet is 0.46%

To find the probability, follow these steps:

Therefore, the probability that the mean will be more than 1900 square feet is approximately 0.0046, or 0.46%.

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Answer:

those that plus that each other is the equaling 93

Step-by-step explanation:

Answer:

The team can purchase 60 sweatshirts or 45 jackets.

Step-by-step explanation:

Divide 1440 by 24 to get the total number of sweatshirts the team could buy. Then divide 1440 by 32 to get the total number of jackets they could buy.

Answer:

60 sweat shirt because 24÷1440=60

45 jackets because 32÷1440=45

Answer:

Step-by-step explanation:

Answer:

1) \(16\frac{2}{3}\)% or 20%

Step-by-step explanation:

Given that:

An experiment which is carried out by flipping a coin and rolling six sided die.

The outcomes can be:

{H1, H2, H3, H5, H6, T1, T1, T2, T3, T5}

As per question statement:

Number of outcomes having tails and an odd number greater than one is 2 (i.e. T3 and T5)

Total number of outcomes here is 10.

Therefore, to find the percentage, we use the following formula:

\(\dfrac{\text{Number of favorable outcomes}}{\text{Total number of outcomes}}\times 100\)

\(\Rightarrow \dfrac{2}{10}\times 100 = 20\%\)

As per question statement, the answer is 20%.

If we consider all the outcomes, i.e.

{H1, H2, H3, H4, H5, H6, T1, T2, T3, T4, T5, T6}

Total number of outcomes = 12

The percentage will come out be :

\(\Rightarrow \dfrac{2}{12}\times 100 = 16\frac{2}{3}\%\)

Answer:

0.213

Step-by-step explanation:

→ Convert into binomial information

x ~ B ( 12 , 0.4 )

→ Write down probability required

p ( x = 4 )

→ Evaluate

0.2128

The magnitude of the number of the minutes in the school is 2.

Although the order of magnitude of zero is not specified, it is occasionally stated to have a magnitude of. Zero is less than any other positive number, and so is its order of magnitude, according to this infinitely negative order of magnitude.

There can be no negative magnitude. The component of the vector that lacks direction is its length (positive or negative).

The order of magnitude is the approximate representation of the logarithmic of the order's value and is typically considered to be 10 taken as the base.

On a scale of 10 logarithmic, the difference in the order of magnitude can be quantified.

The value storage is where you may find the number into the various magnetic.

As a result, the number of minutes spent in school is 2.

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Complete question -

What is the Order of Magnitude of the number of minutes in a school day?

On the board, Ms. Sofia scrawled a list of numerals. 57,58,64,63,58,62,60. She then requested that a pupil write a number on the board. If the student added 65 to the list, the median would not change.

To find the median of the given list of numbers, we need to arrange them in order from smallest to largest:

57, 58, 58, 60, 62, 63, 64

The median is the middle number in this list, which is 60.

Now let's consider what will happen if the student adds 65 to the list. The new list of numbers will be:

\(57, 58, 58, 60, 62, 63, 64, 65\)

To find the new median, we need to arrange these numbers in order:

\(57, 58, 58, 60, 62, 63, 64, 65\)

The new median will be the middle number in this list, which is still 60.

Therefore, the answer is D. The median will not change if the student adds 65 to the list.

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Answer:

3 x C = $27

Is your expression.

3x28=c

am very smort  :D

-4 is a integer because an integer is a negative number and a natural number, whole number, rational and a irrational number is not a negative number.

Answer:

37

Step-by-step explanation:

Kinda complicated