can someone please help mee

Can Someone Please Help Mee

Answers

Answer 1

For the graphed function we can see:

domain = set of all real numbersrange = set of all real numbers.How to get the range and domain?

For a function y = f(x), the domain is the set of the possible inputs "x" and the range is the set of the possible outputs "y".

In this case, we can see that in the right side we have a parabola, and on the left side a linear equation which increases up to the left (so it has a negative slope).

Then the domain will be the set of all real numbers.

Similar for the range, as we can see that on the left side, the line goes upwards, while on the right side, the parabola goes downwards. So this function has a range of all real numbers.

Then:

domain = set of all real numbers

range = set of all real numbers.

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Related Questions

21/√7-5√7/2 solve it

Answers

Answer:

√72

Decimal Form:

1.32287565…

Step-by-step explanation:

To subtract fractions, find the LCD and then combine.

Solve the following by completing the square y=x^2+10

Answers

The resulting equation on using the completing the square is y = (x+5)² - 25

Completing the square method

The quadratic equation has a leading degree of 2. Given the equation below;

y = x^2+10x

Add the square of the half of coefficient of x to have;

y = x^2+10x + (10/2)²- (10/2)²
y = x^2 + 10x + 5² - 5²

y = x^2 + 10x  + 25 - 25

y = (x+5)² - 25

Hence the resulting equation on using the completing the square is y = (x+5)² - 25

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Find the equation of the line through point (−5,5) and perpendicular to y=59x−4

Answers

Answer:

Step-by-step explanation:

a shape is rotated 180 to its origin and then its image s reflected in the y axis describe fully the translation that would have the same result as the two transformation drscribe above

Answers

The single transformation that will cause the same effect as that of these two transformation is  the reflection of shape in the x-axis .

(x,y) -----------> (x,−y)

What is Transformation ?

The change done to a shape on a coordinate plane by reflection ,translation and rotation is a called Transformation .

It is given that a shape is rotated to its origin

Then its image is reflected in the y axis.

The single transformation that would have the same result as the two transformations is (x,y) to (x,−y)

reflection of shape in x-axis .

The x stays the same, but the y changes sign.)

The change caused by Rotation by 180° about the origin,

(x,y) ------->  (−x,−y)

The change caused when reflected in the y-axis,

(x,y) --------> (−x,y)

Therefore the single transformation that will cause the same effect as that of these two transformation is  the reflection of shape in the x-axis .

(x,y) -----------> (x,−y)

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Question 1 of 10
What is the volume of the cylinder below?


A.
168 units3
B.
378 units3
C.
252 units3
D.
288 units3

Answers

The volume of the cylinder shown below is 252πcm³

Volume of a cylinder

The formula for calculating the volume of a cylinder is expressed as:

V = πr²h

where:

r is the radius

h is the height

Given the following

radius = 6 units

height = 7 units

Substitute

V = πr²h

V = π(6)²(7)

V = 252πcm³

Hence the volume of the cylinder shown below is 252πcm³

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simplify -9(5 - 2) - 111÷3 show all work ​

Answers

Answer:

-64

Step-by-step explanation:

use PEMDAS order : Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)

-9(5 - 2) - 111÷3 =

-9(3) - 111÷3 =

-27 - 111÷3 =

-27 - 37 =

-64

16. a bacteria culture starts with 10 00 bacteria and the number doubles every 40minutes.(a) find a formula for the number of bacteria at time t

Answers

The formula that can be used to find the number of bacteria is FV = 1000 x 2^t.

What is the formula that can be used to find the number of bacteria?

The formula that can be used to determine the number of bacteria is an exponential function with the form:

FV = P(1 + r)^t

Where:

FV = future population P = present population r - rate of increase

1000 x ( 1 + 1)^t

FV = 1000 x 2^t

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Mandy used the input and output in this table to write ratios. She concluded that because they are not all equivalent, this is not a proportional relationship. Is she correct? Explain.
A 2-column table with 4 rows. Column 1 is labeled x with entries 1, 2, 5, 10. Column 2 is labeled y with entries 5, 10, 25, 50.

StartFraction 5 over 1 EndFraction = StartFraction 10 over 2 EndFraction = StartFraction 25 over 5 EndFraction = StartFraction 10 over 50

Answers

Answer:

The conclusion derived by Mandy is incorrect.

Step-by-step explanation:

Proportional relationships are relationships between two variables where their ratios are equivalent. Another way to think about them is that, in a proportional relationship, one variable is always a constant value time the other. That constant is known as the "constant of proportionality".

To determine if the input and output are proportional, we simply divide the output (y) by the corresponding input (x).

i.e. Ratio[tex]=\frac{y}{x}[/tex]

So, we have:

[tex]Ratio=\frac{5}{1}=5[/tex]

[tex]Ratio=\frac{10}{2}=5\\ Ratio =\frac{25}{5}=5\\ Ratio=\frac{50}{10} =5[/tex]

For the four input and output data, the ratios are equal. This means that the relationship is proportional.

Hence, Mandy's conclusion is incorrect.

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ratios are equal, so its proportionate Mandy's conclusion is incorrect.

Choose the congruence theorem that you would use to prove the triangles congruent.
AAS
SAS
ASA
SSS

Answers

Answer:

C)  ASA

Step-by-step explanation:

From  the diagram we can see:

The triangles have two congruent angles and one congruent side which is between those two angles.

It means the triangles are congruent by angle-side-angle or in short ASA theorem.

Correct answer choice is C

Help me out please…….

Answers

Answer:

please suscribe my chsnnal

clue technical

The function below models the correlation between the number of hours a plant is kept in sunlight (x) and the height (y), in mm, to which it grows: y = 4 + 2x What does the slope of this function represent? (1 point) a The original height of the plant was 4 mm. b The original height of the plant was 2 mm. c The height of the plant increases by 2 mm for every hour of sunlight it receives. d The height of the plant increases by 4 mm for every hour of sunlight it receives.

Answers

The correct answer is option C which is the height of the plant increases by 2 mm for every hour of sunlight it receives.

What is an equation?

The equation in mathematics is the relationship between the variables and the number and establishes the relationship between the two or more variables.

Given equation is as follows:-

y = 4 + 2x

Here x is the variable which depends on the amount of sunlight and 4 is the original height of the plant so as the sunlight varies the value of x changes and it increases the height of the plant by 2 mm.

The graph of the equation is also attached with the answer. Therefore the correct answer is option C which is the height of the plant increases by 2 mm for every hour of sunlight it receives.

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PLEASE HELP ME!

3 markers cost $5.79 Which proportion would help determine the cost of 13
markers?

A:

13/5.79=x/3

B:

x/13=3/5.79

C:

3/5.79=13/x

D:

13/x=5.79/3

E:

None of the Above

Answers

Answer:

C: 3/5.79=13/x

Step-by-step explanation:

Two ratios are said to be in proportion when the two ratios are equal

3 markers cost $5.79 in which the proportion price is unknown

13 markers cost x

markers / cost = markers / cost

3 / $5.79 = 13 / x

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Which equation results from adding the equations in this system? Negative 2 x + y = 8. 5 x minus y = negative 5. 7 x = 13 7 x = 3 3 x = 3 3 x = 13'

Answers

The correct option is second one i.e 7x = 3

Therefore the results from adding the equation in this system are

7x = 3

Equations as,

What is the equation?

An equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign.

  2x+y=8   .......................1

    5x-y=-5   .......................2

Result when adding equations 1 and 2 =?

On adding equations 1 and 2 the y term will get canceled and the like terms will combine is add (2x and 5x ) and ( 8 and - 5) as shown below

         2x    +    y    = 8

         5x   -   y     = - 5

-------------------------------------------

         7x     + 0        =   3

---------------------------------------------

Therefore the results from adding the equation in this system are 7x=3.

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Answer:

7x=3

Step-by-step explanation:

who is father of math?​

Answers

Answer:

Archimedes

Step-by-step explanation:

Archimedes is known as the Father Of Mathematics.

Answer:

Archimedes

Archimedes is known as the Father Of Mathematics

Step-by-step explanation:

Toby has five coins. Three of the coins add up to 30p. Three of the coins add up to 40p. All the coins add up to 50p. List Tony's coins in ascending order of value.

Answers

Tony's coins in ascending order of value will be 5p, 10p, and 15p.

How to depict the information?

Based on the information given, the values of the coins will be 5p, 5p, 10p, 15p, and 15p.

In this case, 5p + 10p + 15p = 30p

10p + 15p + 15p = 40p

5p + 5p + 10p + 15p + 15p = 50p

Therefore, Tony's coins in ascending order of value will be 5p, 10p, and 15p.

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Answer:

5p, 5p, 10p, 10p, 20p

Step-by-step explanation:

5p, 5p, 10p, 10p, 20p,

Which is a perfect square?
61
62
63
65

Answers

Answer:

So none of these would be a perfect square but the closet one to it would be 65

Step-by-step explanation:

65 because the average square is around 5 on each side so it would make sense for it to be 65

If j is 53 degrees and l is 29 how much is k?

Answers

Answer:

98

Step-by-step explanation:

There are 180 degrees in a triangle.

180 - 53 - 29 = 98

For a given interest rate, simple interest varies jointly as principal and time. If $2000 left in an account for 4 yr earned interest of $280, how much interest would be earned in 6 yr?

Answers

The interest earned in 6 years would be:
$280 / 4 = $70
$70 * 6 = $420

The cost of the fruit is given by the function y= 3x+1, where x is the number of fruits and y is the total cost. Find the
range of the function.

Answers

Answer:

The answer is the second option: {4, 7, 10...}

The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 37 hours and the median is 33.2 hours. Twenty-four of the families in the sample turned on the television for 22 hours or less for the week. The 10th percentile of the data is 22 hours. Based on the given information, determine if the following statement is true or false. Approximately 120 families turned on their televisions for less than 37 hours.

Answers

The statement; Approximately 120 families turned on their televisions for less than 37 hours is true.

What is true about the data?

From the task content, since the 10% percentile of the data corresponds to 24 families, it.follws that the total number of families sampled is; 24 × 10 = 240 families.

On this note, after the first 120 data points, the median is determined to be 33.2 hours which is less than the mean. Conclusively, it follows that approximately 120 families turned on their televisions for less than 37 hours.

Hence, the statement is true.

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PLS HELP THANK YOU I REALLY NEED IT

Answers

Answer:

25

Step-by-step explanation:

x+115=180 (straight angle)

x= 65

y= 180-90-65

=25

1) Which statement is needed to complete this syllogism? If a quadrilateral has 4 congruent sides, then it is a rhombus. If it is a rhombus, then it’s diagonals are perpendicular. Therefore, if ________________________, then it’s diagonals are perpendicular.

A) a quadrilateral has 4 congruent sides

B) it is a rhombus

C) it is a rectangle

D) it has diagonals

Answers

Statement A is needed to complete this syllogism. its diagonals are perpendicular. Therefore, if a quadrilateral has 4 congruent sides then its diagonals are perpendicular.

What is a syllogism?

A logical structure for a formal argument that includes a major, minor, and conclusion.

This syllogism cannot be concluded without Statement A. The diagonals of it are parallel. As a result, a quadrilateral's diagonals are perpendicular if it has four congruent sides.

If a quadrilateral has 4 congruent sides, then it is a rhombus. If it is a rhombus, then its diagonals are perpendicular.

Therefore, if a quadrilateral has 4 congruent sides then its diagonals are perpendicular.

Hence option A is correct.

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Answer:

a quadrilateral has 4 congruent sides

Step-by-step explanation:

Syllogisms are connected by a shared statement that connects a hypothesis to a different conclusion.

Lola needs to sign 96 invitations. Using a stopwatch that measures time to tenths of a second, it takes Lola 5.3 seconds to sign her full name. Going by the accuracy of the stopwatch, which is the most accurate determination for the number of seconds Lola needs to sign all 96 invitations?

Answers

The time needed by Lola to sign all the 96 invitations is 508.8 second

What is a Product ?

Product is the number obtained when two numbers are multiplied with each other

It is given that

Total Invitations that Lola needs to sign = 96

Time taken to sign full name = 5.3 seconds

Total time needed by Lola to sign invitations is  

96 * 5.3

= 508.8 seconds

Therefore the time needed by Lola to sign all the 96 invitations is 508.8 second

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Which pair of ratios makes a proportion?

A. 1/4 and 5/25
B. 1/4 and 7/24
C. 1/4 and 10/48
D. 1/4 and 9/36

Answers

Answer:

D. 1/4 and 9/36

Step-by-step explanation:

If two ratios make a proportion then it can be shown as:

a/b = c/d ⇒ ad = bc

Let's verify the answer choices with this method

A. 1/4 and 5/25

1*25 = 4*525 = 20, incorrect, not a proportion

B. 1/4 and 7/24

1*24 = 4*7 24 = 28, incorrect, not a proportion

C. 1/4 and 10/48

1*48 = 4*1048 = 40, incorrect, not a proportion

D. 1/4 and 9/36

1*36 = 4*936 = 36, correct, this is a proportion

How do you factor a^2-b

Answers

Answer:

a

2

b

2

Since both terms are perfect squares, factor using the difference of squares formula,

a

2

b

2

=

(

a

+

b

)

(

a

b

)

where

a

=

a

and

b

=

b

.

Write the algebraic expression for the following statement.

A number plus 15.

Answers

Answer:

the algebraic expression is; x+15

A company makes 140 bags. 39 of the bags have buttons but no zips. 21 of the bags have zips but no buttons. 23 of the bags have neither zips nor buttons. How many bags have zips on them?

Answers

Subtraction is a mathematical operation that reflects the removal of things from a collection. The number of bags that zips on them is 78.

What is subtraction?

Subtraction is a mathematical operation that reflects the removal of things from a collection. The negative symbol represents subtraction.

Given the number of bags that the company makes is 140. 39 of the bags have buttons but no zips. 21 of the bags have zips but no buttons. 23 of the bags have neither zips nor buttons.

Bags that have both zip and button

= Total number of bags - Number of bags with zips but no buttons - Number of bags with buttons but no zips - Number of bags with nor zips nor the buttons

= 140 - 21 - 39 - 23

= 57

Now, the number of bags that has zips will be the bags that only have zips and the number of bags that has zips and buttons. Therefore, the number of bags with zips is,

n = Bags that have both zip and button + Number of bags with zips but no buttons

   = 37 + 21

   = 78

Hence, the number of bags that zips on them is 78.

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Answer:

Bags with zip = (bag with button and zip) + (bag with no button but only zip)

i.e.,

Rotal bags – (bags with neither of two + bags with only buttons)

=> 140-(39+23)

=> 140-62

=> 78

So, 78 bags have zips on them.

Solve for w.

w^2-9w+18=0

Answers

Answer:

w = 3 or 6

Step-by-step explanation:

[tex]w {}^{2} - 9w + 18 = 0 \\ w {}^{2} - 6w - 3w + 18 = 0 \\w(w - 6) - 3(w - 6) = 0 \\ w - 3 = 0 \\ w - 6 = 0 \\ w = 3 \: or \: 6[/tex]

please help
PLEASE ​

Answers

Answer:

9:6:10

Step-by-step explanation:

Copper: Zinc: Tin= C:Z:T

C:Z:T

3:2

  3:5

3x3=9

3x2=6

5x2=10

so, Copper:Zinc: Tin= 9:6:10

write and solve a proportion to complete the statement. Round to the nearest hundredth if necessary.
1. 6km ≈ ?mi
2. 2.5 L≈ ?gal
3. 90lb ≈ ?kg
pls help

Answers

Using proportion, the equivalent units of the following units are as follows:

6km =  3.73 miles2.5 L = 0.66 gallons 90 Ib = 40.82 kg

How to use proportion to find equivalent units?

Using proportion,

1.60934 km = 1 miles

6 km = ?

cross multiply

distance(m) = 6 / 1.60934 = 3.7282364199 = 3.73 miles

1 litre = 0.264172 gallons

2.5 litres = ?

volume(gallons) = 2.5 × 0.264172 = 0.66 gallons

1 pounds = 0.453592 kg

90 pounds  = ?

weight(kg) = 40.82328 = 40.82 kg

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Which sentence most clearly describes the diction of a piece of writing? OA. The article goes beyond criticizing the film to attack the filmmakers themselves. B. The story's reliance on an extended metaphor limits its ability to convey the plot. C. The email outlines all the changes employees can expect in the coming year. D. The memo uses well-chosen words, such as "restructuring," to soften the blow. In what way were independence movements in Algeria and Kenya similar? Which of the following alkali metal is expected to melt if the room temperaturerise to 30oc (a) Na (b) K (c) Rb (d) Cs Choose the correct option. 1. A chain of small chemical units combined to form a large single unit is called ______ a) Polymer b) Poly c) Polythene d) None of the above 2. Polythene and PVC are examples of a) Bio degradable substance b) Thermosetting plastics c) Thermoplastics d) Rayon 3. Plastics which when moulded once, cannot be softened by heating. Such plastics are called __ a) Polythene b) Thermoplastics c) Polyster d) Thermosetting plastics 4. Polycot is made by mixing two types of fibres namely a) Silk + Cotton b) Polythene + cotton c) Silk + Polyester d) Polyester + Cotton 5. The 4 R Principle is a) Reduce, Reuse, Recycle, Recover b) Remember, reduce, Recycle, Rejoice c) Repeat, Rejoice, recycle, reduce d) None of the above 6. _____________ is an example of natural polymer a) Rayon b) Cellulose c) Nylon d) All of the above 7. Which of the following is Non-biodegradable ? a) Woolen clothes b) Plastic bag, c) Cotton cloth d) Wood 8. Bakelite and Melamine are examples of a) Thermosetting plastics b) Silk c) Nylon d) Rayon 9. 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You must come up with your own original answers keeping academic integrity intact.Include the following details in your text/description:In one complete sentence, write the nationality of your first new friend. Remember to use the correct form of the verb ser. Remember to only use the nationalities from this lesson/course. (e.g., Luis is Korean.)In one complete sentence, write the nationality of your second new friend. Remember to use the correct form of the verb ser. Remember to only use the nationalities from this lesson/course. (Sarah is Dutch.) A ball dropped onto a trampoline returns to the same height after the rebound.a) Describe the energy change of the ball from the point of release to the top of the rebound b) What can you say about the energy of the ball at the point of release compared with at the top of the rebound? What do you think the climate is like where this palm tree grows? The lowest point in the United States is the Sierra Nevada in California. 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