i need this asap pls pls pls …

Answer:

268Cm2

Step-by-step explanation:

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The domain and range of the give relation can be determined by listing the x values for the domain and listing the y values from the range. If each x corresponds to only one y, it is a function.

Domain of a relation refers to all the input values of the relation. Hence, domain is the set of all x coordinates. In the given data, the domain is:

{-3, -1, 0, 1, 2}

Range of a relation refers to all the output values of the relation. Hence, range is the set of all y coordinates. In the given data, the range is:

{4, 2, 0, -2}

In order for a relation to be a function, each x must correspond to only one value of y i.e., an x   has one y value. For example, for a relation x = 4 and y = 1,2, hence it is not a function.

In our relation, each x value has only one y value, it is a function.

Mapping the relation can also give us the answer in a simpler way.

As there is one arrow leaving each x value, it is a function. (If two arrows are leaving an x value it is not a function.  

Hence, for the relation given, Domain: {-3, -1, 0, 1, 2}, Range: {4, 2, 0, -2} and it is function.

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Answer:

1 /(√5-4)

Step-by-step explanation:

√5 is less than 3.

Therefore

f(√5) = 1 /(√5-4)

The DEXA is the most accurate form of body composition measurement.

What is an x-ray?

An X-ray is a rapid and painless technique which is commonly used to generate images of the internal parts of a human body. It is a very effective and convenient way of looking for bone damages and other problems.

Explanation

The statement 'the dual-energy x-ray absorptiometry (DEXA) is the gold standard measurement for body composition is true. Here, the gold standard means the most accurate form of measurement.

Hence, the given statement is true.

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The length, in inches, of the perimeter of its base is 5in

A cube is a three dimensional object with 6 faces and 12 edges.

The formula for calculating the volume of a cube is expressed according to the equation;

V = l³

l = ∛V

where

l is the side length of the cube

Given the following parameters

V = 125in³

Substitute

125 = l³

l = ∛125

l = 5in

Hence the length, in inches, of the perimeter of its base is 5in

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Answer:

(a): 190

(b): 750

Please see below for the steps.

Step-by-step explanation:

(a):

Use points (0,1000) and (3.1, 1589)

Use slope formula. The slope formula is also used to find average rate of change (just so you know).

y2-y1/x2-x1

1589-1000/3.1-0=589/3.1=190

Answer for (a) is 190

(b):

Use points (12.4, 4100) and (15.5, 6425)

Use slope formula.

y2-y1/x2-x1

6425-4100/15.5-12.4=2325/3.1=750

The answer for (b) is 750

Hope this helps!

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Explanation:

The number 1 is spelled as "one", which clearly has an "e" in it. This contradicts the original statement that we don't need this letter.

The other numbers of 6 (six), 2 (two), and 4 (four) don't involve "e"s at all. So they can be ruled out.

Victor takes approximately 7 weeks to save 150.

Given,

Initial savings of victor = 50

Savings added by victor weekly = 15

We have to find the time taken by victor to save 150.

We know that victor saved 50 which he got for his birthday.

Then, 150 -50 = 100

That is by saving 15 weekly victor has to make a total of 100.

Therefore, to find the time taken by victor to save 100 is:

100 / 15 = 6.66, approx 7

That is victor takes approximately 7 weeks to save 150.

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Using equations of the form y=f(x), you may be able to modify the graph in various ways.

For example, you can move the chart up, down, left, or right, flip it around the x or y-axis, or stretch or shrink it vertically or horizontally. Understanding these transformations makes it easy to graph different functions. Start with a "basic model" and apply a series of modifications to change it to the desired function.

X     F(X)      F(X)-1

-1       1             0

1        3            2

3       5            4

5       7            6

7       9            8

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(B) Between 0 and 7, best describes the pH at the equivalence point of a titration of a weak base with a strong acid.

So, consider the following example of ammonia (a weak base) titrated with HCl (a strong acid):

Only the products remain at the equivalence point.

It dissociates according to the following equilibrium, resulting in a mildly acidic pH of less than 7:

[tex]\begin{aligned}&\mathrm{NH}_4^{+} \leftrightharpoons H^{+}+\mathrm{NH}_3 \\&K_a=5.6 \times 10^{-10}\end{aligned}[/tex]

Therefore, (B) between 0 and 7, best describes the pH at the equivalence point of a titration of a weak base with a strong acid.

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The correct question is given below:
Which best describes the pH at the equivalence point of a titration of a weak base with a strong acid?

A. less than zero

B. between 0 and 7

C. close to 7.0

D. between 7 and 14

E. greater than 14

The possible outcomes of choosing a letter randomly-

PROBABILITY is the given letter.

As a result, the total number of letters is 11 vowels 4 consonants = 7.

So I the chance of opting a vowel is4/11

ii) the chance of opting a consonant is7/11

PROBABILITY is the given letter.

As a result, the total number of letters is 11 vowels 4 consonants = 7.

So I the chance of opting a vowel is4/11

ii) the chance of opting a consonant is7/11

The probability expressions listed below might help you better comprehend probability generalities.

trial An trial is a trial or operation that's carried out to induce a result.

A sample space is made up of all of the possible results of an trial.

Favorable outcome is an circumstance that has delivered the intended result or event. For illustration, if we roll two bones and admit the aggregate of the figures on the bones as 4, the possible/ favorable possibilities.

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Answer:

2.848 pound

Step-by-step explanation:

On 5 pizzas = 14.24 pound cheese

On 1 pizza = 14.24/5 pound

=2.848 pound

Answer:

2 hundreds

Step-by-step explanation:

there is the number 2 in place of the hundreds

By finding and evaluating a linear equation, we will complete the table:

Number of computers sold|   Khloe's Daily pay in dollars:

90                                                                  $540  

95                                                                   $565

100                                                                  $590

105                                                                  $615

Here we know that Khloe is a salesperson who ells computers, and she gets $5 for each computer sold, plus a base pay of $90 each day.

Then if in a day she sells x computers, the amount that she wins that day is given by the linear function:

f(x) = $90 + $5*x

Now we want to complete the table:

Number of computers sold|   Khloe's Daily pay in dollars:

90

95

100

105

To complete the table we just need to evaluate the linear function in these values of x, we will get:

f(90) = $90 + $5*90 = $540

f(95) = $90 + $5*95 = $565

f(100) = $90 + $5*100 = $590

f(105) = $90 + $*105 = $615

Now we just need to input these values in their correspondent place on the given table, we will get:

Number of computers sold|   Khloe's Daily pay in dollars:

90                                                                  $540  

95                                                                   $565

100                                                                  $590

105                                                                  $615

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The distance travelled by the elevators floor is 41.25 feet.

The floor of the elevator was = 30.5 feet above the ground level.

Initial position = + 30.5 feet

Now, the elevator is 10.75 feet below the ground level.

Final position = - 10.75 feet.

So, the distance travelled by the floor of the elevator is:

Distance = + 30.5 feet - ( - 10.75 feet)

Distance = 30.5 feet + 10.75 feet

Distance = 41.25 feet.

Therefore, we get that, the distance travelled by the elevators floor is 41.25 feet.

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Answer: p=178/3 degrees

Step-by-step explanation:

Based on the problem, I THINK these three angles add up to 180 degrees

(p-43)+(p)+(p+45)=180

p-43+p+p+45=180

p+p+p-43+45=180

3p+2=180

3p=178

p=178/3 degrees

==========================================

Reason:

log(80) - log(4)

log(80/4)

log(20)

The rule used is log(A) - log(B) = log(A/B)

Using a calculator,

which helps confirm the answer. The logs I used were base 10, but it could be any base really.

Let ride rotate in clockwise direction ( cw ) then position will be co - ordinate ( 0, 3)

What does coordinate mean in this case?

As per given problem ride rotates at a rate of .25 revolution /sec

so in every 4 sec it completes 1 full revolution .

In every 1 sec it revolves by 90° only .

In 28 sec car 1 complete 7 full revolution so , in next 3 sec

So , in next 3 sec it completes only 270.

Here car itself also rotates at the rate of .5 revolution .

So in 31 sec it it completes is full revolution .

& in next 1 second  it completes 180° revolution .

Case - 1  Let ride rotate in counter clockwise ( ccw) then find position will be at co - ordinate ( 0, - 1 ) .

Case - 2 Let ride rotate in clockwise direction ( cw ) then position will be  co - ordinate ( 0, 3)

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Answer:

$19,192,529,147.31

Step-by-step explanation:

Daily compounded = 10,000 * (1.0133)^(365*3) = $19,193,611,648.31

Semi-annually compounded = 10,000 * (1.0133)^(2*3) = $10,825.01

The total difference in cost is 19,193,611,648.31 - 10,825,01 which is $19,192,529,147.31

LCM of the given expressions x² +3x - 4, x² +2x - 8 , and x² - 4x +4 is

(x-2)²(x+ 4)(x-1).

As given,

Given expressions  x² +3x - 4, x² +2x - 8 , and x² - 4x +4

Simplify by factorizing them,

x² +3x - 4 =x² +4x-x-4

               =(x +4)(x -1)

x² +2x - 8 =x² + 4x -2x -8

                =(x+4)(x-2)

x² - 4x +4 = x² -2(2x) +(2)²

                = (x-2)²

LCM = (x-2)²(x+ 4)(x-1)

Therefore, LCM of the given expressions x² +3x - 4, x² +2x - 8 , and

x² - 4x +4 is (x-2)²(x+ 4)(x-1).

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The solution of equation 4/x-2 = x-1/x-2 is x = 5

In this question, we have been given an equation.

4/x-2 = x-1/x-2

We need to find the solution of given equation.

4/x-2 = x-1/x-2

Here, denominator is same on both the sides.

So, we can cancel it from both the sides.

So, given equation would be,

4 = x - 1

4 + 1 = x

x = 5

We need to check above solution.

Substitute x = 5 in LHS of given equation.

LHS

= 4/x - 2

= 4/(5 - 2)

= 4/3

Also, substitute x = 5 in RHS of given equation.

RHS

= x - 1 / x - 2

= (5 - 1)/(5 - 2)

= 4/3

So, LHS = RHS

Therefore, the solution of equation 4/x-2 = x-1/x-2 is x = 5

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Density is a material's intrinsic (intrinsic) property that depends on how much it occupies a particular space and possibly on temperature.

Density is expressed in units of mass divided by volume. The International Standard Unit (SI) is the kilogram per cubic meter ("cube") or kg/m3. Some commonly used density units are grams per cubic centimeter, or we can also express it as g/cm3; it is more widely used in laboratories.

Mass and volume are related by a term called density.

The formula gives the relation between the mass and the density of an object:

Density = Mass/ Volume

We can extract the desired quantity from this formula, and here it is mass, so,

Mass = Density x Volume

So, by using the above information, 100 cm^3 bar weighs 1930gm.

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A system of equations that could be used to determine the number of hours the worker worked and the number of shirts the worker made is   28x + 2(4x) = 144

Let x be the number of working hours

She must pay the worker $28 per hour

So, Cost of labor for x hour = 28x

The worker created an average of 4 shirts per hour.

So, number of shirts produced in x hours = 4x

Cost of 1 shirt = 2

Cost of 4x shirts = 2 (4x)

Total expenses for labor and materials = 28x + 2(4x)

We are given that Aaliyah total expenses for labor and materials were $144

So,  28x + 2(4x) = 144

28x + 8x =  144

x = 4

Hence a system of equations that could be used to determine the number of hours the worker worked and the number of shirts the worker made is  28x + 2(4x) = 144

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Answer:

If the student is female then the probability that the student will participate is about 67%

If the student is male the probability that they participate is about 33%

Step-by-step explanation:

It is given that 48% of the students in the school are male. That means that the remaining students in this school are (for the sack of this problem) female out 100% of students. You would subtract 48% from 100% which is 52% which is the percentage of students in the school who are female.

From this point you need to find the percentage of students who would participated in the survey. To do that you would divide the number of the type of student who did the survey by the type of student in the school. For example for the male you would divide 16% from 48% or 16 ÷ 48 which would equal to the proposed of males who would participate which is about 33% of males. You would do the same math for finding the probability of females so it would be 35 ÷ 52 which is about 67% of females.

Even though the random student is more likely to be female the chances of the gender of the student is almost 50%/50% because if you round it to the nearest tenth it would be 50.

The values to the nearest tenth are:

a. 1. 43

b. 26. 41

c. 11. 69

d. 4. 57

e. 15. 77

Given the equations;

a. 4. 186 - 2. 758

Find the difference

1. 428

1. 43

b. 72. 05 - 45. 64

Find the difference

26. 41

c. 82. 156 - 41. 31 - 29. 16

Find the difference

11. 686

11. 69

d. 17. 054 - 11. 65 - 0. 83

Find the difference

4. 574

4. 57

e. 29. 16 - 12. 48 - 0. 91

Find the difference

15. 77

Thus, the values to the nearest tenth are 1. 43, 26. 41 , 11. 69, 4. 57, 15. 77

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Now let's process the ASCII text file using the IMPORT and EXPORT procedures.

Must specify ASCII text file delimiter in DBMS options.

PROC IMPORT DATAFILE ="c:\sas\ego.csv" OUT=jeeshim.egov DBMS=CSV REPLACE;

GETNAMES=YES;

DATAROW = 2;

RUN

DATAFILE lets you import an external file.

Designates a SAS data file.

The DBMS specifies the type of external file. For example, "DBMS=DLM", "DBMS=CSV", and "DBMS=TAB".

REPLACE overwrites the existing file, if any.

GETNAMES reads the variable names from the first line of the data file.

The DATAROW option tells the row from which SAS reads the observations.

GETNAMES and DATAROW require a semicolon at the end.

This example exports the data set to an ASCII file by the specified range. DATA and OUTFILE respectively define the set of data to be output and the external file to which the data is output.

PROC export

DATA = jeeshim.egov

OUTFILE="c:\sas\ego.txt"

DBMS = DLM REPLACE;

RUN;

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Step-by-step explanation:

2.0

2.5cm,

8888888888888888822