3/4(x - 3)2 = 27

solve the quadratic equation using the most efficient method

please help!

Answer:

Answer:

it's b for sure young man

Answer:78

Step-by-step explanation:

very simple

acb is an enlargment of fdc

39/18=2 3/18

2 3/18x36=78

The domain of the graphed relation is:

D : {-9, -7, -5, -2, 1, 3}

For a relation y = f(x), we define the domain as the set of the possible inputs, this is, the possible values of x.

On the graph we can see some points (x, y) graphed, where x is the value on the horizontal axis.

We can see that the graphed points are:

(-9, -4)

(-7, -6)

(-5, -4)

(-2, 2)

(1, 4)

(3, 1)

The domain is the set of the first values of each point, so the domain is:

D : {-9, -7, -5, -2, 1, 3}

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Answer:

for part (a) you will have about 28 dots for 10 squares.

part (b) its a 4x4 square with 16 square.

Answer: The numbers which can be expressed as a ratio of two integers where the  denominator is not equal to zero

Step-by-step explanation:

Rational numbers are expressed in the form of  where . 'q' is the denominator in the above fraction.

The fractional form which is terminating or non-terminating recurring are considered as rational numbers.

The numbers 'p' and 'q' are the integers.

Integers are defined as number which is a proper number and not a fraction or decimal. All negative whole numbers are considered as integers.

Some Examples of Rational numbers:   is a terminating fraction.  is a non-terminating recurring fraction

Hence, the numbers which can be expressed as a ratio of two integers where the  denominator is not equal to zero

Step-by-step explanation:

Answer:

g(x) = -1x + 11

Step-by-step explanation:

Parallel equations have the same slope.

G(x) is the same as y.

Step 1:

y = mx + b

y = -1x + b

Step 2:

Substitute (10,1) in the equation

1 = -1(10) + b

now solve for b.

Step 3:

1 = -10 + b

+10 +10

1 = b

Step 4:

check

y = -1(10) + 11

y = -10 + 11

y = 1

Therefore , the solution of the given problem of interest comes out to be

present salary is $19,025.625.

By dividing the principle by the cost of borrowing, the rest of the time, and other factors, simple interest is determined. Simple return equals principal plus interest plus hours is the concept used in marketing. The easiest way to compute interest is by using this method. The most typical method for calculating income is as a portion of the principal amount. For example, if he takes $100 from a buddy and pledges to pay back the loan at 5% interest, he will just pay his share of the 100% involvement. $100 (0.07) = $7. When you borrow money, you must pay interest, and you must charge interest when they lend it.

Here,

Given : 4.25 % raise

Salary =  $18,250

=> Simple interest = P*R*T /100

=> 18250 * 4.25 * 1 /100

=> 775.625

Thus,

Present salary = 18250 +  775.625 = 19,025.625.

Therefore , the solution of the given problem of interest comes out to be

present salary is $19,025.625.

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Answer: The complementary event for choosing a red marble is choosing a blue or purple. The total number of marbles is 5. The probability of choosing a red marble is 1/5, and the complement would be 4/5.

By :- Utsav Xettri

A curved line represents the graph of a non-linear function. A curved line is one whose direction changes over time.

Linear refers to straight, and a graph is a figure that depicts the relationship between two or more quantities. So, the simplest definition of a linear graph is a straight line or straight graph constructed on a plane to connect two points with x and y coordinates.

The two-variable linear equation 3x - 7y = 16 has three variables. Instance For the equation 2x + y = 8, Mike must create a linear graph. With a ruler and the specified amount as the starting point, draw a vertical line. From the line across to the -axis, draw a horizontal line using a ruler. Look at the value on the -axis. Examining the information on the graph's plot can help you distinguish between a linear and a quadratic graph.

Therefore the correct answer is Y=2/5x- 3 .

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The values of x for which the above expression can become rational is -

[5, 14, 25]

We must convert a given number to decimal form in order to determine whether it is rational or irrational. If the decimal has repeated decimal patterns and is ending or nonterminating, the number is rational.

If not, it is illogical. However, if we look at the example of 5 = 2.2360679774997896409173..., we can see that it is non-terminating and lacks repeated decimal patterns. It is therefore an irrational number. Checking whether a number is a natural number, a whole number, an integer, or a fraction of integers is another method of determining whether it is rational. It is a rational number if it fits into one of these categories.

Given the expression is √x+11,

√a It cannot be expressed in the form of a ratio, So, it is an irrational number.

The value of x has to be something which upon adding 11, gives perfect square root, in order to become rational number.

So, the number that can have possible values is x ≥ 5; √x+11 = perfect square root.

The values of x for which the above expression can become rational is -

[5, 14, 25]

The value will be - √5 + 11 = √16 = 4

The value will be - √14 + 11 = √25 = 5

The value will be - √25 + 11 = √36 = 6

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Answer:2.64

Step-by-step explanation:10.56 divided by 4=2.64

The possible dimensions of the rectangular garden are 8ft by 12ft, 6ft by 16ft, and 4ft by 24ft

In this problem, Misaki used five sections of fencing, two 4 ft sections, two 6 ft sections, and one 8 ft section to build a rectangular garden without cutting any. To find the possible dimensions of the garden, we can use the lengths of the fencing sections to make different combinations of the length and width of the garden.

Here are a few possible combinations for the rectangle shaped garden.

A garden that is 8 ft by 12 ft: This would use the two 4 ft sections as the width and the two 6 ft sections as the length.

A garden that is 6 ft by 16 ft: This would use the two 4 ft sections as the width and the one 8 ft section and two 6 ft sections as the length.

A garden that is 4 ft by 24 ft: This would use the two 6 ft sections as the width and the one 8 ft section and two 4 ft sections as the length.

It's important to notice that there are no other possibilities with the given lengths of fencing. Misaki can't have different dimensions because all the lengths are given, and if the width and length are swapped, we will get a different rectangular garden.

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A function is an equation that has a single solution for each value of y.

When two functions f and g share a domain and a codomain, and f(a)=g is true for each an in the domain, we say that the two functions are equal (a).

A function is an equation with just one solution for every value of y in the equation. A function pairs each input of a particular type with exactly one output. Instead of y, it is typical to name functions f(x) or g(x).

If two functions share the same domain and codomain as well as the same values across the board, then they are considered to be equal.

In spite of how the elements are arranged in the sets, two sets are said to be equal when all of their components are present in both. Afterward, the sets are referred to as equal sets. When all of one set's elements are absent from the other, two sets are said to be unequal.

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Answer: 82

Step-by-step explanation:

The required value of t is equal to 1/√13

A vector is a quantity or phenomenon that has two independent properties: magnitude and direction. The term also denotes the mathematical or geometrical representation of such a quantity. Examples of vectors in nature are velocity, momentum, force, electromagnetic fields, and weight.

Given here: The vector A=    [tex]t\left[\begin{array}{ccc}2\\3\\\end{array}\right][/tex] and we are required to find or simply normalize this vector A by multiplying a scalar t

On Multiplying the scalar t we get the matrix A= [tex]\left[\begin{array}{ccc}2t\\3t\\\end{array}\right][/tex]

Now normalizing the vector A we get ||A|| as

[tex]\sqrt{4t^2+9t^2} \\=\sqrt{13t^2} \\=\sqrt{13}.t[/tex]

If t=1/√13 we get  ||A||  as equal to 1

Thus for t=1/√13 we get the length of the vector as equal to one.

Hence, The required value of t is equal to 1/√13

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Answer:

7 × (6 - 2)

Step-by-step explanation:

difference of 6 and 2: 6 - 2

difference of 6 and 2 multiplied by 7: 7 × (6 - 2)

Answer: 7*(6-2)

Step by Step Explanation: Change the words into math signs

The complete table for the given quadratic equations is:

                   a                 b               c                d

1.                  1                -3                1                5

2.                 1                -2                1                5

3.                 3                6                3                1

When the middle term of a quadratic equation is split, we must rewrite the expression as the sum or difference of the two parts. We must split the middle phrase into two halves in order to determine the sum or difference of the words.

1. x² + 2x - 15

Split the middle term

= x² + 5x - 3x - 15

= x(x + 5) - 3(x + 5)

= (x - 3)(x + 5)

So, a = 1, b = -3, c = 1, d = 5

2. 2x³ + 6x² - 20x

= 2x(x² + 3x - 10)

= 2x(x² + 5x - 2x -10)

= 2x(x(x + 5) - 2(x + 5))

= 2x(x - 2)(x + 5)

So, a = 1, b = -2, c = 1, d = 5

3. 9x² + 21x + 6

= 3(3x² + 7x + 2)

Use splitting middle term method

= 3(3x² + 6x + x + 2)

= 3(3x(x + 2) + 1(x + 2))

= 3(x + 2)( 3x + 1)

= (3x + 6)(3x + 1)

So, a = 3, b = 6, c = 3, d = 1

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The value of {h} is equivalent to 6/5.

A function, in mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).

The domain of a function f(x) is the set of all values for which the function is defined, and the range of the function is the set of all values that function takes.

Given is the function as follows -

(1/5) + h = (7/5)

We can write the function as -

(1/5) + h = (7/5)

h = 7/5 - 1/5

h = (7 - 1)/5

h = 6/5

Therefore, the value of {h} is equivalent to 6/5.

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Answer:

the fundamental properties of a rectangle are

-A rectangle is a quadrilateral.

-The opposite sides are parallel and equal to each other.

-Each interior angle is equal to 90 degrees.

-The sum of all the interior angles is equal to 360 degrees.

-The diagonals bisect each other.

Both the diagonals have the same length.

The slope - intercept form of the equation that relates the number of people and the cost of entering the museum is y = 8x + 4

The slope - intercept form is:

y = mx + b

Where:

m = slope or the cost per person

b = y - intercept or the residual cost

The cost per person to enter the museum is:

= Difference between cost of three people and two people

= 28 - 20

= $ 8

The residual is:

= Total cost for two people - Cost of two people

= 20 - ( 8 x 2 )

= $ 4

The slope intercept form of the relationship between the number of people and the cost of entering the museum is therefore:

y = 8x + 4

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Hi there! So already noticeable, there are some given parts and pieces.  AD is unknown, and BC it seems is also unknown, since they are both congruent to each other.  Segment AB is twice the length of AD, and AB is parallel to BC.  DC is 4 cm longer than AB.  

If you've done proofs, here's one thing that can help: Angle ADC and BCD are congruent to each other by same-side interior angles theorem.

If you haven't done proofs, I'm just going to keep this a little bit more understandable.  I don't want to overload you with a million formulas/theorems.

AD = BC
AB = 2(AD)
AB || BC
DC = AB + 4

Wait a minute... :)

AD x 2 = AB.  AB is 4 units shorter than DC.  

Try making an equation.  AD can be x, AB can be y, and DC can be z.

2x = y
y + 4 = z, z - 4 = y

2x = z - 4

So try substituting in some things that can work.  The length of AB has to be 2 times the length of AD.  DC is AD + 4.  AD can be 2, AB can be 4, and DC can be 8.  

2(2) = (8 - 4)
4 = 4 :)

Looks like it works! You should probably ask your teacher/parents for help with this one, it looks a little odd.  But that's the best I can do for you.  :)

Answer:

Step-by-step explanation: i need help too hope u find ur problem

:o

Answer: 4/12

Step-by-step explanation:

Simplify each fraction by dividing or multiplying. Then you’ll get the answer

Answer:

4/12

Step-by-step explanation:

you simpify 4/12 and get 1/3 and that is what is being shown in the picture.

Step-by-step explanation:

f(x) = x² + 5 g(x) = x + 4

for f(g(x)) or (f○g)(x) we take the expression of g and place it everywhere in the expression of f where x is mentioned.

so, (x + 4) goes into (x² + 5) giving us

((x + 4)² + 5) = x² + 8x + 16 + 5 = x² + 8x + 21

so, (2) is the correct answer.

8.

the same principle

f(x) = 2x + 9 g(x) = (x - 9)/2

just here we take f and put it into g :

g(f(x)) = ((2x + 9) - 9)/2 = 2x/2 = x

so,

(a) g(f(15)) = 15

(b) g(f(-3)) = -3

(c) g(f(x)) = x

to verify e.g. (a) we use x = 15 in f(x)

f(15) = 2×15 + 9 = 30 + 9 = 39

and then we use this result as new x = 39 in g :

g(39) = (39 - 9)/2 = 30/2 = 15

correct.

The z-score for the data is Z= -2.83.

The standard score in statistics is the number of standard deviations that a raw score deviates from or exceeds the mean of the phenomenon being observed or assessed. Standard scores are positive for raw scores above the mean and negative for raw scores below the mean.

The formula for calculating the z-score is :

Mean = 33000

μ = 34000

n = 200

σ = 5000

Putting all values,

[tex]Z = \dfrac{\bar x-\mu}{\sigma}\\Z = \dfrac{33000 - 34000}{\dfrac{5000}{\sqrt{200}}}\\Z = -2.83[/tex]

Hence, the value of the z-score will be Z= -2.83.

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1 out of 33 (1/33) is the answer.