Find the values of X and y in the diagram.

Answers

Answer 1
Where’s the diagram

Related Questions

What is the y-intercept of 5x 4y =- 12?

Answers

The y-intercept of the equation 5x-4y = -12 is 3.

What is a slope?

In mathematics, a line's slope, also known as its gradient, is a numerical representation of the line's steepness and direction.

If a line passes through two points (x₁ ,y₁) and (x₂, y₂) ,

then the equation of line is

y - y₁ = (y₂- y₁) / (x₂ - x₁) x (x - x₁)

To find the slope;

m =  (y₂- y₁) / (x₂ - x₁)

We have the equation:

5x-4y = -12

To find the y-intercept:

First, we have to simplify the equation as subject to y.

5x-4y = -12

4y = 5x+ 12

y = (5/4)x+12/4

y =  (5/4)x + 3

Now, we know the slope-intercept form:

y = mx+b,

where m is the slope and b is the y-intercept.

Comparing, both the equation,

b = 3

3 is the y-intercept.

Therefore, y-intercept is 3.

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find the part what is 120% of 10.9

Answers

Square Root of 120

In this mini-lesson, we will calculate the square root of 120 by the long division method along with solved examples and interactive questions. The square root of a number is the number that gets multiplied to itself to give the original number. 4 is a square root of 16 because 4 × 4 = 16 and the symbol square root is written as √ and is an integral part of mathematics.

Let us take a look at what the square root of 120 is.

Square Root of 120: √120 = 10.954

Square of 120: 1202 = 14400

Answer: 13.08

Step-by-step explanation:

i hope this helps

How do you solve a 3x3 for beginners?

Answers

Choose an equation, multiply a row by a constant to make it equal to 1, use row operations to make all other elements in the same column equal to 0, repeat for all elements in the matrix, when all elements are equal to 1, the 3x3 matrix is solved

To solve a 3x3 matrix for beginners, start by writing the equation in the form of Ax = B. Then, choose a set of three equations from the matrix that are independent of each other and solve the first equation for one of the unknowns, substituting the known values for the other two unknowns. Substitute the value of the unknown from the first equation into the other two equations and solve for the remaining two unknowns. Finally, check the solution by substituting the values of all three unknowns into the original equation.

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Which exponential function has a growth factor of 5?

Answers

So, an exponential function with a growth factor of 5 is of the form y = a * 5^x, where a is a constant coefficient.

An exponential function of the form y = a * b^x has a growth factor of b. Therefore, an exponential function with a growth factor of 5 is of the form y = a * 5^x, where a is a constant coefficient.

For example, if a = 2, then the function y = 2 * 5^x has a growth factor of 5.

Here is a table showing the values of y for some values of x:

x       y

0        2

1        10

2        50

3        250

4        1250

As x increases, the values of y increase exponentially at a rate determined by the growth factor of 5.

Therefore, an exponential function with a growth factor of 5 is of the form y = a * 5^x, where a is a constant coefficient.

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For example, if a = 2, then the function y = 2 * 5^x has a growth factor of 5.

Here is a table showing the values of y for some values of x:

x       y

0        2

1        10

2        50

3        250

4        1250

As x increases, the values of y increase exponentially at a rate determined by the growth factor of 5.

Therefore, an exponential function with a growth factor of 5 is of the form y = a * 5^x, where a is a constant coefficient.

The parent function of the function g(x)=(x-h)² + kis f(x)=2. The vertex of the function g(x) is located at (9.-
8). What are the values of h and k?
g(x)=(x-____)^2+______

Answers

Answer:

h = 9

k = -8

Step-by-step explanation:

⭐ [tex]g(x) = (x-h)^2 + k[/tex] is already written in vertex form.

⭐ Vertex form: [tex]f(x) = a(x-h)^2 +k[/tex], where the vertex is (-(-h), k)

We are already given the vertex (9,-8), so we have to substitute these numbers into g(x).

[tex]g(x) = (x-9)^2 -8[/tex]

The equation of parabola is solved and the values of h and k are 9 and -8 respectively

What is a Parabola?

A Parabola, open curve, a conic section produced by the intersection of a right circular cone and a plane parallel to an element of the cone. A parabola is a plane curve generated by a point moving so that its distance from a fixed point is equal to its distance from a fixed line

The equation of the parabola is given by

( x - h )² = 4p ( y - k )

y = a ( x - h )² + k

where ( h , k ) is the vertex and ( h , k + p ) is the focus

y is the directrix and y = k – p

The equation of the parabola is also given by the equation

y = ax² + bx + c

where a , b , and c are the three coefficients and the parabola is uniquely identified

Given data ,

The vertex form of a parabola function is given by:

g(x) = a(x - h)² + k

where (h, k) is the vertex.

In this case, we are given that:

g(x) = (x - h)² + k

And the vertex is located at (9, -8)

So we have:

h = 9

k = -8

Therefore, the function g(x) can be written as:

g ( x ) = ( x - 9 )² - 8

Hence , the equation of parabola is g ( x ) = ( x - 9 )² - 8

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The meaure of the exterior angle of a quadrilateral are x°x°, 2x°2x°, 4x°4x°, and 5x°5x°. Find the meaure of the mallet exterior angle

Answers

The meaure of the smallest exterior angle among the four exterior angles of a quadrilateral are x°,2x°, 4x°, and 5x° is x = 30° .

What is exterior angles?

The angle formed between one side of a polygon and another line segment extending from the adjacent side is called the exterior angle of the polygon.

Exterior and interior angles form a straight line and form a linear pair. Therefore, if we know the interior angles of a quadrilateral, we can easily find the exterior angles.Exterior angle + interior angle = 180°A quadrilateral has 4 interior and 4 exterior angles.The sum of the exterior angle measurements of a polygon equals 360 degrees, regardless of the number of sides of the polygon..

We have, quadrilateral with exterior angles x° , 2x° , 4x° and 5x° .

As we discuss, the sum of exterior angles of quadrilateral (polygon of four sides) = 360°

=> x° + 2x° + 4x° + 5x° = 360°

Adding all x values on left hand side,

=] 12x° = 360°

=> x = 360/12 = 30°

Now, the smallest exterior angle of quadrilateral is x° , so it's measure is 30°.

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Which formula can be used to find the nth term of the geometric sequence 1/6,1,6,36?

Answers

Answer:

[tex]a_n = \frac{1}{6}(6)^{n-1}[/tex]

Step-by-step explanation:

What is the formula of a geometric sequence/progression?

[tex]a_n = a_1+1(d)^{n-1}[/tex][tex]a_1[/tex] is the first term of the geometric sequence[tex]d[/tex] is the common ratio (the number each consecutive term gets multiplied by) of the geometric sequence[tex]n[/tex] is the number term you want to find

We are given the geometric sequence.

Thus, we need to find the first term and the common ratio, and substitute those values into the geometric sequence formula.

The first term is [tex]\frac{1}{6}[/tex]

How do we find the common ratio?

divide one term by another termmake sure both terms are consecutive of each other

I am choosing term 1 and term 2, but you can choose any other 2 terms that are consecutive.

term 1 = [tex]\frac{1}{6}[/tex]

term 2 = [tex]1[/tex]

[tex]\frac{term2}{term1} = \frac{1}{\frac{1}{6}}[/tex]

[tex]\frac{term2}{term1} = 6[/tex]

∴ The common ratio of this sequence is 6.

Now, substitute these values (common ratio & first term) into the geometric sequence equation.

[tex]a_n = \frac{1}{6}(6)^{n-1}[/tex]

What is a possible factor of x³ 6x² 11x 6?

Answers

Therefore , the solution to the given problem of the equation whose factors are (x+2)(x+1)(x+3).

Describe equation.

Two expressions joined by an equal sign form a mathematical statement known as an equation.

An equation is, for instance, 3x - 5 = 16. We can solve this equation and determine that the value of the variable x is 7.

According to the Given question:

x³ + 6x² + 11x +6

This pattern of coefficients 1, 6, 11, 6 is actually one that you are likely to encounter frequently.

For demonstration reasons, let's see what occurs if we begin by using the typical technique for resolving a general cubic:

We can use a linear substitution, t = x + b/3a, to simplify any cubic of the form ax3 + bx2 + cx + d, resulting in a cubic in the form a + b + et + f without a quadratic term.

This is the most straightforward type of Tschirnhaus transformation.

In our example, a = 1 and b = 6, so we want t = x + 2.

Note that:

=  + 6+ 12x +8

So we find:

+ 6+ 11x +6 =   − (x + 2)

=  - t

= t ( - 1)

= t(t − 1)(t + 1)

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

Therefore , the solution to the given problem of the equation whose factors are (x+2)(x+1)(x+3).

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if quadrilateral abcd is rotated 90° clockwise about point a and then reflected across the y-axis to create quadrilateral a’b’c’d’, what will be the coordinate of d’?

Answers

According to the 90° clockwise rotation, the new coordinate of the quadrilateral D' is (3, -2)

Quadrilateral

Quadrilateral refers a closed shape and a type of polygon that has four sides, four vertices and four angles.

Given,

If quadrilateral ABCD is rotated 90° clockwise about point A and then reflected across the y-axis to create quadrilateral A’B’C’D’.

Here we need to find the coordinate of D'.

In order to find the new coordinates, first we have to identify the current coordinates of the quadrilateral.

While we looking into the graph, we have identify the point of

A (0,0), B(-4, 3), C(1,5) and D(2,3)

Now, we have to use the rule of clockwise 90° rotation, states that to rotate the figure 90 degrees clockwise about a point, every point(x , y) will rotate to (y, -x).

According to this rule, the new coordinates are written as,

A(0,0) = A'(0,0)

B'(-4,3) = B'(-3,-4)

C(1,5) = C'(5, -1)

D(2,3) = D' (3, -2)

Therefore, the new coordinate of D' is (3, -2).

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Can anyone please help me with this question?
Question: If α and β are the roots of 4x^2 + 3x + 7 = 0, find the value of 1/ α + 1/ β

Answers

The numeric value of the expression 1/α + 1/β is given as follows:

-3/7.

How to obtain the numeric value of the expression?

The quadratic function in this problem is given as follows:

4x² + 3x + 7 = 0.

The coefficients of the quadratic function are given as follows:

a = 4, b = 3, c = 7.

The sum of the roots is given as follows:

α + β = -b/a.

Hence:

α + β = -3/4

The product of the roots is given as follows

αβ = c/a

Hence:

αβ =7/4.

These values are used to obtain the numeric value of the expression, as follows:

1/α + 1/β = (α + β)/αβ = (-3/4)/(7/4) = -3/7.

(the least common multiple of α and β is αβ, and then the least common factor is used to solve the expression).

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What is mean mode formula?

Answers

Mean mode formula  - Mean = {Sum of Observation} ÷ {Total numbers of Observations}

What does the mode mean?

By summing all the numbers in a data collection and dividing by the total number of values in the set, the mean (average) of the data set can be determined.

               A data collection is ordered from least to largest, and the median is the midpoint number. A data set's mode is the number that appears the most frequently.

What are the mean, median, and example?

The most frequent number, or the one that happens the most frequently, is known as the mode. Example: Since the number 2 appears three times, more than any other number, it is the mode of the numbers 4, 2, 4, 3, and 2.

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Why we need to clean the measuring instrument before and after use?

Answers

Conscientiously cleaning your devices is crucial, as any residue that remains on your device may impact the accuracy of your measurements. The material your device is made of plays a significant role in the cleaning method you should use.

A tool used to measure a physical amount is called a measuring instrument. Measurement is the process of gathering and comparing physical quantities of actual things and events in the physical sciences, quality control, and engineering.

The process of measuring yields a number associating the subject under study and the referenced unit of measurement, and established standard objects and occurrences are employed as units. These numerical relations are acquired using measuring devices and rigorous test procedures that specify the instrument's use.

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What are 3 examples inequality?

Answers

Not fairness treated differently being separated from others by other’s opinions

How do you copy a formula in Excel?

Answers

To see the steps of copy and paste a formula.

Now, According to the question:

Here's how you copy and paste a formula:

1. Select the cell with the formula you want to copy.

2. Press. + C.

3. Click the cell where you want to paste the formula.

4. To quickly paste the formula with its formatting, press + V.

5. Clicking the arrow gives you a list of options.

Let's know to more:

How do I apply the same formula to multiple cells in Excel?

Fill formulas into adjacent cells

1. Select the cell with the formula and the adjacent cells you want to fill.

2. Click Home > Fill, and choose either Down, Right, Up, or Left. Keyboard shortcut: You can also press Ctrl+D to fill the formula down in a column, or Ctrl+R to fill the formula to the right in a row.

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Guys, can you help me with my homework?

Answers

Using two column proof, we have been able to show that ΔABE is congruent to ΔCDE via SAS Congruency Postulate.

How to handle two column proof?

We are given certain statements of the given triangle and we want to get a flowchart of a proof which is a two column proof. Thus;

Statement 1; CD = AB

Reason 1; Given

Statement 2; BE = DE

Reason 2; AC is the segment bisector of BD

Statement 3; ∠ABE = ∠CDE

Reason 3; Alternate angles theorem

Statement 4; ΔABE ≅ ΔCDE

Reason 4; SAS Congruency Postulate

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can anyone help me.

Answers

Answer:

Solution:

Given,

Ratio of photo to to the photo frame=2:3

Length of photo frame=36cm

= 36÷3

=13

then,

Length of photo = 13 ×2

= 26cm

Step-by-step explanation:

Therefore,the length of the photo is 26cm

To decorate a cake, you make a shade of orange icing using 24 drops of red food coloring for every 8 drops of yellow. How many drops of yellow food coloring would you need if you use 9 drops of red food coloring?.

Answers

The solution of 3 drops of yellow food coloring needed to make a shade of orange icing with 9 drops of red food coloring is 72/24

The formula for calculating the number of drops of yellow food coloring required to make a shade of orange icing would be:

Yellow Food Coloring Drops = (Red Food Coloring Drops x 8) / 24

In this example, we are using 9 drops of red food coloring. To calculate the number of drops of yellow food coloring needed, we would plug in 9 for the number of drops of red food coloring, resulting in the following equation:

Yellow Food Coloring Drops = (9 x 8) / 24

We can solve this equation by multiplying both sides by 24 to get:

Yellow Food Coloring Drops x 24 = 9 x 8

We can further simplify the equation by multiplying the numbers on the right side of the equation to get:

Yellow Food Coloring Drops x 24 = 72

Finally, we can solve for the number of drops of yellow food coloring by dividing both sides of the equation by 24 to get:

Yellow Food Coloring Drops = 72/24

After simplification, we end up with the solution of 3 drops of yellow food coloring needed to make a shade of orange icing with 9 drops of red food coloring.

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What is the value of 5x25 − 3x32 2x − 12 at x 1?

Answers

The value of the given expression  5x²⁵ - 3x³² + 2x - 12 at x = 1 is -8.

Explain the term power of the number?How many times you should multiply a number depends on its power. Exponents and indices are other names for powers. For instance, 8^2 may also be referred to as "8 to the power 2," "8 to the second power," or just "8 squared."

The given expression is:

5x²⁵ - 3x³² + 2x - 12

To evaluate the value at x=1.

Substitute x = 1 in the given expression.

= 5(1)²⁵ - 3(1)³² + 2(1) - 12

Simplify:

= 5 - 3 + 2 - 12

= -8

Therefore, the value of the given expression at x = 1 is -8.

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The correct question is-

What is the value of 5x²⁵ - 3x³² + 2x - 12 at x=1?

1
Which expression is equivalent to (5³)⁹?
A 53+9
B 53x9
©5³ +5⁹
5³ x 5⁹

Answers

Answer: (D) 5³ * 5⁹.

Step-by-step explanation:

The expression (5³)⁹ is the same as 5³ * 5³ * 5³ * 5³ * 5³ * 5³ * 5³ * 5³ * 5³, which can be simplified to 5^9 * 5^9 * 5^9 * 5^9 * 5^9 * 5^9 * 5^9 * 5^9 * 5^9. The only expression from the options above that is equivalent to this is 5³ * 5⁹, so the correct answer is (D) 5³ * 5⁹.

How many zeros can the polynomial 2x² 3x 4 have?

Answers

There are two zeros of the polynomial 2x²-3x+4.

What is Polynomial?

Polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and positive-integer powers of variables

The given polynomial is 2x²-3x+4.

Two times of x square minus three times of x plus four.

2x²-3x+4=0

We find the roots by using quadratic equation formula.

x=-b±√b²-4ac/2a

a=2, b=-3, c=4

x=3±√9-4(8)/4

x=3±i√23/4

So the roots are x=3+i√23/4 and x=3-i√23/4.

A polynomial of degree 2 can have 2 real zeros, 1 real zero, or no real zeros

Hence, there are two zeros of the polynomial 2x²-3x+4.

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A baketball player attemptd 15 baket in a game he make 9 which ratio decribe the number of baket the player made to the number of baket the playerd attempted

Answers

The ratio that describes the number of baskets the player made to the number of baskets the player attempted is 9:15. This can be simplified to 3:5.

The ratio of the number of baskets made by the player to the number of baskets attempted is 9/15. This ratio can be simplified to 3/5, which means that for every 5 baskets attempted, the player made 3 baskets. This ratio can also be expressed as a percentage by dividing the number of baskets made by the number of baskets attempted and multiplying the result by 100%. In this case, the percentage of baskets made by the player is 60% (9 baskets made / 15 baskets attempted * 100% = 60%). This means that out of every 100 baskets attempted by the player, he made 60 baskets.

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The union of two sets is a set that contains only the elements that appear in both sets

a. True
b. False

Answers

False i am pretty sure

The union of two sets is to avoid counting the same elements twice.

What is set?

The mathematical logic subfield of set theory investigates sets, which can be loosely defined as collections of objects. Although any object can be combined into a set, set theory, as a mathematical discipline, focuses primarily on those that are relevant to mathematics as a whole.

Given union of set

(A ∪ B),

The set of all objects that are members of either A or B, or both, is the union of the sets A ∪ B.

let us take example,

A = { 1, 2, 3, 4}

B = {3, 4, 5, 6, 7}

(A ∪ B) = { 1, 2, 3, 4} ∪  {3, 4, 5, 6, 7}

we can simply write all of A and B's elements in a single set to avoid duplicates to find A U B.

(A ∪ B) = {1, 2, 3, 4, 5, 6, 7}

Hence the  union of two sets is a set that contains all the elements of both set and avoid duplicates.

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Which property states that the sum of any two whole number is always a whole number?

Answers

The closure property of the whole number states that "Addition and multiplication of two whole numbers is always a whole number."

What is Property of Closure ?

A set has the closure property only under a particular operation which is if the result of the operation is always an element in the set.  When a set has the closure property under a particular operation, then we say that the set is “closed under the operation.”

a)The set of integers is closed under the operation of addition because the sum of any two integers is always another integer and is therefore in the set of integers.

b) The set of integers is not closed under the operation of division because when you divide one integer by another, you don’t always get another integer as the answer.  For example, 4 and 9 are both integers, but 4 ÷ 9 = 4/9.  4/9 is not an integer, so it is not in the set of integers!

Hence , the closure property of the whole number states that "Addition and multiplication of two whole numbers is always a whole number.

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Is 9 by 16 equal to 5 by 9 yes or no?

Answers

Answer:

No

Step-by-step explanation:

9/16 and 5/9 have a common factor is 144

So, we have

81/144  and 80/144

So, 9/16 > 5/9

Answer:

Step-by-step explanation:

no they are not equal, NO

TEXT ANSWER Which ordered pair did you select? Explain why or why not it is a function. Answer in complete sentence.

i picked (3,5) as my ordered pair im giveing brainlist to whoever answers correct and in a complete sentence oh and fast​

Answers

Answer:

* Can you  please give us a photo of the problem you want help with? I have an idea of what the problem could be about, though. The answer I give is what I think the problem is about *

I picked (3,5) as my ordered pair. It is not a function because the coordinate (3,5) has the same x-value as the coordinate [put the coordinate with the same x-value here], and functions cannot have the same x-values for different y-values in order to pass the "vertical line test".

Ruth ha 12 roll at her bakery. She receive an online order for 60 roll. Ruth bake roll in batche of 24. Select the equation that repreent the given ituation and find the number of batche Ruth need to make to complete the order

Answers

the equation that represents the given situation is 12x + 24 = 60 and the number of batches Ruth needs to make to complete the order is 2 batches

The issue can be approached from the reverse. She already has 12 rolls, so take that out of the total. 48 will result from this. The "x" would then indicate how many more batches of 24 she needs to make in order to reach that 48 because she manufactures rolls in batches of 24. She would bake two additional batches to get 60 because 48 divided by 24 is equal to 2. If you put this concept into an equation, you get 24x + 12 = 60; 2 batches

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Renting a roller rink for your birthday costs $250 plus $10 per person. The total charge
for your party was $400. Translate this information into an equation using a to
represent the number of guests at your party.
Using your equation, determine how many people attended your party.

Answers

Answer:

15 people attended the party

the equation would be 250+10x=400
250 for renting the space and 10 per person and x represents the amount of people and 400 was the total with the rent and the cost for the total amount of people

step by step of solving that would be
250+10x=400
-250 -250
10x=150
10/10 150/10
x=15

so there were 15 people at the party

What is value of expression example?

Answers

An example of value of expression is 5 × 2a.

In the field of mathematics, a value of an expression can be described as such an expression that includes two or more two mathematical numbers. Apart from the numbers, one or more than one mathematical operation is also a part of the value of the expression.

In the example, 5×2a, 5 and 2 are the two mathematical numbers and multiplication (×) is the mathematical operation. Hence, the expression 5×2a serves as an appropriate example of the value of expression in the field of mathematics.

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Eric rides his bike 4 1/3 hours during the week. His little brother rides his bike 1 3/4 hours during the week. How many more hours does Eric ride his bike during the week than his little brother? Enter your answer as a mixed number in simplest form by filling in the boxes.

Answers

The answer would be 2 7/12 (two and seven twelfths (seven over twelve))

x and y are integers.
y>_2
x+y≤4
y≤ 2x + 2
Mark on the grid all the points
that fulfill all three inequalities.

Answers

The common region for all the inequalities y ≥ 2, y ≤ 2x + 2and x + y ≤ 4 is represented by ΔABC (the last graph).

What is an inequality?

"It is a statement which consists of an order relationship (greater than, greater than or equal to, less than, or less than or equal to) between two mathematical expressions."

For given question,

We have been given three inequalities

y ≥ 2 ,

x + y ≤ 4 ,

y ≤ 2x + 2

If we draw the graph of these three inequalities then the common region represents the all the points that fulfill all three inequalities.

An inequality y ≥ 2 represents all the points on and above the line y = 2

An inequality x + y ≤ 4 represents all the points on and below the line       x + y = 4

An inequality y ≤ 2x + 2 represents all the points on and below the line    y = 2x + 2

Consider the following graphs.

The first graph represents the points which fulfill the inequality y ≥ 2

The graph for an inequality x + y ≤ 4 is represented by the shaded blue region.

The graph for an inequality y ≤ 2x + 2 is represented by the shaded green region.

The common region for all the inequalities is represented by ΔABC

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your textbook notes that when opioid abuse was disproportionately associated with african americans, it was labeled as criminal, but that when opioid abuse increased sharply among whites, it became labeled as What are the main uses for a checking account? Fill in the blanksF. Post-Audit of Investment Projects.1. Describe__________________________________________________________________________________________________________.2. Performing a post-audit is important for several reasons.a.b.c.3. A post-audit involves _________________________________________________________________________________________________.G. Internal Rate of Return (IRR).1. The internal rate of return method differs from the net present value method in that it finds the interest yield of the potential investment.a. The internal rate of return is the interest rate that will cause _______________________________________________________________b. The determination of the internal rate of return involves the use of a financial calculator or computerized spreadsheet to solve for the rate (if the cash flows are uneven).c. If the net annual cash flows are equal, an easier approach to solving for the internal rate of return can be used. This approach involves two steps:(1)(2)d. Internal Rate of Return Factor =e. Once managers know the internal rate, of return, they compare it to________________________________________________________f. The IRR decision rule is: ________________________________ ________________________________________________________.2. The two discounted cash flow methods differ as follows:a. Objective:(1)(2)b. Decision rule:(1)(2)H. Annual Rate of Return Method.1. The annual rate of return method is based directly on accounting data rather than on cash flows.a.b.c.d.e.f.g. PLEASE HELP ME ANSWER THE PHYSICS QUESTIONS ON MY PROFILE!!!i will give brainliest to the first to answer!!! this one and the other onesA 0.16 kg plastic ball moves with a velocity of 0.42 m/s. It collides with a second plastic ball of mass 0.017 kg, which is moving along the same line at a speed of 0.18 m/s. After the collision, both balls continue moving in the same, original direction. The speed of the 0.017 kg ball is 0.41 m/s. What is the new velocity of the 0.16 kg ball? What is an epic hero called? the ability of each cell to maintain a constant internal environment is called a. evolutionb. homeostasisc. metabolismd. adaptatione. its physiology please help, need answers asap!! 50.0 mL of a solution of hydrochloric acid (HCl) of unknown concentration reacts completely with 58.9 mL of 0.105 M sodium hydroxide (NaOH). What is the concentration of the hydrochloric acid? A simple random sample of n subjects is selected in such a way that every possible sample of the same size n has the same chance of being chosen. (A simple random sample is often called a random sample, but strictly speaking, a random sample has the weaker requirement that all members of the population have the same chance of being selected.) Determine whether each of the following is a simple random sample and a random sample. Complete parts a through c. .. a. In Major League Baseball, there are 30 teams, each with an active roster of 25 players. The names of the teams are printed on 30 separate index cards, the cards are shuffled, and one card is drawn. The sample consists of the 25 players on the active roster of the selected team. This sample a simple random sample. It v a random sample. b. For the same Major League Baseball population described in part (a), the 750 names of the players are printed on 750 separate index cards, and the cards are shuffled. Twenty-five different cards are selected from the top. The sample consists of the 25 selected players. This sample V a simple random sample. It v a random sample c. For the same Major League Baseball population described in part (a), a sample is constructed by selecting the 25 youngest players. This sample a simple random sample. It a random sample. Question 20 (1.42 points) Which statement best describes an Institutional Review Board (IRB)? O Subjects are told what the purposes of the study are, what participation in the study involves, what risks (if any) are involved in participating, and what the person can expect to receive in return for participation. O Subjects must be told the true purpose of the study and the reason for the deception. O Personal information will not be shared with anyone outside the immediate research group and any results from the research will not identify any of the participants by name. O They usually comprise people who have research experience themselves and therefore have experience that enables them to judge whether the research being proposed follows reasonable ethical guidelines. B Question 21 (1.42 points) Which is an example of a negative correlation? 1 O exercise and physical health O study time and grades O exposure to sunlight and plant growth O gas prices and the rate of driving When I was working for this company ............. to the other side of the city, it was very inconvenient. Why was the 1920s called the Roaring 20s ? What was one result of the work of the Tennessee Valley Authority TVA in the 1930s? property will provide $10,000 a year forever. if its value is $125,000, what must be the discount rate? note: enter your answer as a whole percent. What is one argument in favor of federal judges have lifetime appointments judges? What are the names of the two types of angle, below?Type of angle:Type of angle: Which political party supports the deregulationof business in order to allow them to decide howbest to invest their money?RepublicansDemocrats Mention the contributions of Umamayads and Abassids dynasties in Islamic Civilization in detail You and your partner are performing CPR on a 2-year-old female in cardiac arrest. During your resuscitation attempt, you should: 3 Each side of a cube is 2.5 cm long. Find the volume of the cube.7.5 cm36.25 cm315.625 cm35 cm3