a grant that your professor received includes funds for three graduate students to attend a conference to present their work. if your professor has eight graduate students and three students can go to the conference, how many choices does your professor have?

Answers

Answer 1

The number of choices that the professor has is 56.

How to calculate the value?

From the information, the professor has eight graduate students and three students can go to the conference. This will be calculated using combination.

Combination formula

nCr = n! / ((n – r)! r!)

n = the number of items. = 8

r = how many items are taken at a time. = 3

Therefore, this will be:

= 8! / (8 - 3)! 3!

= 8! / 5!3!

= 8 × 7 × 6 / 3 × 2

= 56 ways.

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Related Questions

The table represents an absolute value function f(x).


x f(x)
−5 1
−4 0
−3 1
−2 2
−1 3
0 4
1 5
2 6
3 7

What are the vertex and range of the function?

Answers

The vertex of the function is (4, 0) and the range of the function is [0, 7]

What is the range of a function?

The range of a function is the set of output values of the graph.

This in other words mean the range of a function is the set of y values of the graph.

How to determine the vertex of the function?

The table of values represents the given parameter

As a general rule, the vertex of a function is the smallest or the largest value of the function

On the table of values, we have the smallest function value is 0

The corresponding x value is -4

When these values are paired, we have

(x, y) = (4, 0)

This means that the vertex of the function is (4, 0)

How to determine the range of the function?

The table of values represents the given parameter

Using the definition of range stated above, we have

Smallest function value = 0

Largest function value = 7

This means that the range of the function is [0, 7]

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Morgan chewed 3 1/2 sticks of gum every day for 5 consecutive days. How many sticks of gum did he chew in that time?

Answers

He would have chewen 17 & 1/2 of gum

Find the equation of the line that is perpendicular to the line y = 5x+6 and passes through the point (-3 , 3). Write the equation in point slope form.

Please help
(College Algebra)

Answers

Equation of the line in slope form that is perpendicular to the line y =5x +6 and passes through the point (-3, 3) is equal to y = -5x -12.

As given in the question,

Equation of the given line :

y = 5x + 6

Slope of the given line m₁ = 5

Required line is perpendicular to the given line

Slope of the required line is m₂ = -5

Required line is passing through the point (x₁ , y₁) = (-3, 3)

Equation of the required line in slope form

y -y₁ = m₂( x -x₁ )

⇒ y - 3 = -5(x - (-3))

⇒ y -3 = -5x -15

⇒ y = -5x -12

Therefore, equation of the line in slope form that is perpendicular to the line y =5x +6 and passes through the point (-3, 3) is equal to y = -5x -12.

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What is the special angle pair relationship between 1 and 3?

Answers

Answer:

These pairs are called vertical angles, and they always have the same measure. ∠1 and ∠3 are vertical angles. ∠2 and ∠4 are vertical angles.

Angle 1 and angle 3 are on the same side of the two parallel lines with a transversal line on them.

The special angle pair relationship between 1 and 3 is called the corresponding angles.

What are corresponding angles?

Corresponding angles are angles that occur on the same side of the transversal line and are equal in size.

We have,

Angle 1 and Angle 3.

The angles are on the same side of the two parallel lines with a transversal line on them.

The angles can be called the corresponding angles.

Thus,

The special angle pair relationship between 1 and 3 is called the corresponding angles.

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HELP


Determine which equation is false based on the solution set. S:{3}
−28 = 2(4p − 4)
5(b + 3) = 30
7 = 3y − 2
1/3 x + 18 = 19

Answers

If the solution set S ={3}, then the equation 1 is false

The solution set S = {3}

Equation 1

-28 = 2(4p-4)

4p-4 = -28/2

4p-4 = -14

4p = -14+4

4p = -10

p = -10/4

p = -5/2

This equation is false

Equation 2

5(b+3) = 30

b+3 = 30/5

b+3 = 6

b = 6-3

b = 3

This equation is true

Equation 3

7 = 3y-2

3y = 7+2

3y = 9

y = 9/3

y = 3

This equation is true

Equation 4

(1/3)x+18 = 19

(1/3)x = 19-18

(1/3)x = 1

x = 1 ÷1/3

x = 1×3

x = 3

This equation is true

Hence, If the solution set S ={3}, then the equation 1 is false

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Select the expression that is equivalent to (3d¹)²
6d6
A
9d8
B
9d6
C
3d8
D

Answers

The equivalent expression of  (3d^4)² is 9d^8. Option B

What are algebraic expressions?

Algebraic expressions are defined as expressions made up of terms, constants, factors, coefficients and variables.

They also consist of some mathematical operations, such as;

AdditionSubtractionMultiplicationParenthesesBracketDivision, etc

What are equivalent expressions?

Equivalent expressions are defined as expressions that have the same solution but usually differ in the arrangement of the values.

Given the expression;

(3d^4)²

Now, let's expand the bracket, we have

(3)²(d)^4×2

Find the squares

9d^8

Thus, the expression is 9d^8

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The complete question:

Select the expression that is equivalent to (3d^4)²

solve the following equation 18x-3=4x+11

Answers

Answer:

Hope this helps

fist add three to both sides

then subtract 4x from both sides

then divide both side with the same factor

a) Give an example of discrete data that might consist of some decimal numbers.
b) Give an example of continuous data that might not have any numbers with fractional parts

Answers

Step-by-step explanation:

discretion data is something that will never change

continous data is data that will continue to become either larger or smaller

discret = ticket sales, number of employees

continuous = age,height

Exterior angle, theorem, and triangle sum theorem

Answers

Answer:

x = 4

The two interior angles are

14x + 6 = 14 x 4 + 6 = 62°

16x + 4 = 16 x 4 + 4 = 68°

Step-by-step explanation:

The exterior angle of a triangle is the sum of the interior angles:

Here the exterior angle is 130° and the interior angles are
16x + 4 and 14x + 6

So 16x + 4 + 14x + 6 = 130

Gathering like terms and simplifying:
16x + 14x + 4 + 6 =  130

30x + 10 = 130

30x = 120           (subtract 10 from both sides)

x = 4

The two interior angles are

14x + 6 = 14 x 4 + 6 = 62°

16x + 4 = 16 x 4 + 4 = 68°

Factor by grouping

xy-9x-3y+27

Answers

The factored expression of the expression given as xy - 9x - 3y + 27 is (x - 3)(y - 9)

What are expressions?

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

How to factor the expression by grouping?

The expression is given as

xy - 9x - 3y + 27

Factor out the common factor from the expression

So, we have

xy - 9x - 3y + 27 = x(y - 9) - 3(y - 9)

Factor out (y - 9) from the expression

So, we have

xy - 9x - 3y + 27 = (x - 3)(y - 9)

The expression above cannot be further simplified

This means that the expression has been completely factored and cannot be further factored

Hence, the equivalent expression of the expression given as xy - 9x - 3y + 27 when it is factored by grouping is (x - 3)(y - 9)

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Graph the equation.
y=5|x|-5

Answers

1) Start by plotting (0,-5) because the starting value is -5.

2) Next, you can substitute 1 into the equation to get your y when x is 1.

Y=5|1|-5
Absolute value makes negative number positive. Note: Doesn’t turn positive number negative

Y= 5*1-5

Y= 5-5

Y = 0

Then plot (1, 0)


3) Absolute value will mirror off the y-axis. So you can plot (-1,0). You can also substitute more Xs if you need more points of the graph.

Using the formula r=d/t, where d is the distance in miles, r is the rate, and t is the time in hours, at which rate must you travel to cover 227.5 miles in 3.5 hours?

Answers

Answer: 35 mile/hour

Step-by-step explanation:

[tex]r=\frac{d}{t}[/tex]

∴ [tex]r=\frac{227.5}{3.5}=65[/tex]

= 65 mile/hour

In the morning, the temperature in Westfield City was

2°F. By afternoon, a north wind caused the temperature to drop another 8°F. What was the afternoon temperature in Westfield City?
To solve the problem, Martin subtracted

2–(

8) and came up with an answer of 6°F. Is Martin correct? Why or why not?

Answers

Martin's answer is wrong. The afternoon temperature in Westfield city is  -10°F.

Given,

The temperature in Westfield city in morning = -2°F

The drop down temperature by afternoon = 8°F

We have to find the temperature in afternoon:

Temperature in afternoon = Temperature in morning - Drop down temperature

= -2 - 8 = -10

The afternoon temperature in Westfield city is -10°F

Martin subtracted like:

-2 - (-8) = -2 + 8 = 6

This is wrong.

That is,

We can conclude like:

Martin's answer is wrong. The temperature in Westfield city in afternoon is -10°F

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Translate this sentence into an equation: "The difference between three-fifths of a number a 7 is –36."

Answers

The expression represented by the mathematical sentence is 3/5a - 7 = –36

What are expressions?

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

How to translate the algebraic expression?

The expression is given as

"The difference between three-fifths of a number and 7 is –36."

Three-fifths of a number a means multiply 3/5 and the number i.e. 3/5 * a

So, we have

The difference between three-fifths of a number and 7 is –36 ⇒ The difference between 3/5a and 7 is –36

difference means subtraction

So, we have

The difference between three-fifths of a number and 7 is –36 ⇒ 3/5a - 7 is –36

"is" means =

So, we have

The difference between three-fifths of a number and 7 is –36 ⇒ 3/5a - 7 = –36

Hence, the expression represented by the difference between three-fifths of a number and 7 is –36 is 3/5a - 7 = –36

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Determine Angles of a rotation
A) 90º clockwise
B) 90º counterclockwise
C) 180º
D) 270º clockwise
E) 270º counterclockwise

Answers

Answer:

  C)  180°

Step-by-step explanation:

You want the angle of rotation between triangle ABC and triangle A'B'C' given that the center of rotation is point P.

Angle

The angle of rotation will be the measure of the angle APA'. We see that this angle is a straight angle with a measure of 180°.

The angle of rotation is 180°.

__

Additional comment

Another clue regarding the answer is that 90° CW is equivalent to (and indistinguishable from) 270° CCW, and vice versa. This means each of the other answer choices is repeated, so one is as good as the other. The only possible single answer choice is 180°.

The angle of rotation can always be found this way. Form an angle between a preimage point, the center of rotation, and the corresponding image point. The measure of that angle is the angle of rotation.

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( 4, 2 ) is a solution to the system of equations below: 2x + 4y = 16 ( 1 / 2 ) x − 2y = 4

Answers

The system of equations has two solutions, that is (4, 2).

Given,

There is a system of equations:

Equation 1: 2x + 4y = 16

Equation 2: (1/2)x - 2y = 4

The solution to the system of equations = (4, 2)

Lets check for the solution:

The equations are in the form of,

a₁x + b₁y + c₁ = 0

a₂x + b₂y + c₂ = 0

Here,

a₁ = 2 , a₂ = 1/2

b₁ = 4 , b₂ = 2

c₁ = 16 , c₂ = 4

Now we know that,

a₁/a₂ = b₁/b₂ = c₁/c₂

So,

a₁/a₂ = 2 / (1/2) = 4/1 = 4

b₁/b₂ = 4/2 = 2

c₁/c₂ = 16/4 = 4

Therefore, the system of equations has two solutions, that is (4, 2).

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I need help with this question

Answers

Let's solve figure by figure

Figure A

This figure has a total of 5 sides, therefore it is a pentagon.

Figure B

This figure has a total of 8 sides, therefore it is an octagon.

Figure C

This figure has a total of 3 sides, therefore it is a triangle.

According to the answer table, it would be

Pentagon: Figure A

Octagon: Figure B

Hexagon: None

Find the additive inverse of each number.
1. 15
2.-27
3. 7/9
4. -9/16
5. 0

Answers

Answer:

what level math is this I am not too familiar with it


The price of a phone is AED 600. It is discounted by 18%. You also have a 7% discount voucher on the
sale price.
How much will you pay for this phone?

Answers

Answer:

You will pay $457.56.

Step-by-step explanation:

600 x .18 = 108  This is the amount taken off

600 - 108 = 492 Now we will take 7% off of 492

492 x .07 = 34.44

492 - 34.44 = 457.56

The phone will cost AED 486.24. The original price of the phone is AED 600. This is discounted by 18% to AED 504. You then have a 7% discount voucher on the sale price, which is AED 486.24. which is in UAE currency.

A store sells 213 bottles of water every day in the month of march. march has 31 days. how many bottles of water does the store sell in the month of march?

Answers

Using multiplication, we know that 6,603 bottles of water were sold in march by the store.

What is Multiplication?When you take a single number and multiply it by several, you are multiplying.213×31=6,603The simplest way to start teaching multiplication is to establish the relationship between the concept and addition, which your pupils should already be familiar with. Make sure your students understand the first principle of multiplication—that it is just repeated addition—before continuing on.

Multiplication's characteristics. Commutative Multiplication Property.

Associative Multiplication Property.Multiple's distributive properties.Multiplication's identity property.

So, bottles of water the store sells in march:

213 × 31 = 6,603

Therefore, using multiplication, we know that 6,603 bottles of water were sold in march by the store.

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A cord of wood is a pile 8 feet long, 4 feet wide, and 4 feet high. Find the volume of a cord of wood.

Answers

128 feet³ is the volume of a cord of wood.

What is volume in maths?

Each thing in three dimensions takes up some space. The volume of this area is what is being measured. The space occupied within an object's borders in three dimensions is referred to as its volume. It is sometimes referred to as the object's capacity.The basic formula for volume is length, breadth, and height, as opposed to length, width, and height for the area of a rectangular shape. The calculation is unaffected by how you refer to the various dimensions; for instance, you can use "depth" instead of "height."

l =  8 feet

b = 4 feet

h = 4 feet

volume of a cord of wood  = l × b × h

                                             = 8 × 4 × 4

                                              = 128 feet³

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Ryan has $16 in a savings account. The interest rate is 15% per year and is not compounded. How much will she have in 1 year? Use formula i=p*r*t, where i is the interest earned, p is the principal (starting amount), r is the interest rate expressed as a decimal, and t is the time in years

Answers

Answer:

$18.4

Explanation:

At the end of the year, Ryan will have the initial saving plus the interest earned.

So, to calculate the interest earned we will use the given equation:

i = p*r*t

So, replacing p by 16, r by 0.15, and t by 1, we get:

i = 16 x 0.15 x 1

i = 2.4

Then, after 1 year, she will have:

$16 + $2.4 = $18.4

Therefore, the answer is $18.4

What is 29 divided by 5123

Answers

Answer: That would be approximately 0.00566.

Explanation: Have a great day!! :)

HELP ASAP NEEDS TO BE DONE BY TONIGHT (HELP WITH THE OTHER QUESTIONS TO CLICK MY PROFILE)

Answers

Hello!

Let's convert the equation, 3x + 4y = 7, into slope-intercept form:

  ⇒ slope-intercept form is where the y-variable is isolated to one side

    [tex]3x + 4y = 7\\\\4y=-3x + 7\\\\y=-\dfrac{3}{4}x +7[/tex]

The other line that is parallel to the equation: has the same slope

  ==> thus this other's line slope is -3/4

Let's set up the point-slope form for this other line:

 [tex](y-y_0)=m(x-x_0)[/tex]

(x₀,y₀): (-3, -9)  <-- any point on the linem: -3/4             <-- slope of line

       [tex](y+9)=-\dfrac{3}{4} (x+3)\\\\y + 9=-\dfrac{3}{4}x-\dfrac{9}{4} \\\\y=-\dfrac{3}{4}x-\dfrac{9}{4} -9\\\\y=-\dfrac{3}{4}x-\dfrac{9}{4} -\dfrac{36}{4} \\\\[/tex]

       [tex]y = -\dfrac{3}{4}x -\dfrac{45}{4}[/tex]   <== Answer

Hope that helps!

Determine which equation is false based on the solution set.

S:{3}

−28 = 2(4p − 4)
5(b + 3) = 30
7 = 3y − 2
one third times x plus 18 equals 19

Answers

Based on the solution set S:{3} the equation which is false is

-28 =2(4p -4).

As given in the question,

Given solution set S:{3}

Equation which is false based on the solution set

1. −28 = 2(4p − 4)

Divide by 2 from both the sides

⇒ -14 = 4p -4

⇒ p = -10/4 ≠ 3

2. 5(b + 3) = 30

Divide by 5 from both the sides

⇒b + 3 =6

⇒ b = 3

3. 7 = 3y − 2

⇒ 3y = 9

⇒ y = 3

4. One third times x plus 18 equals 19

(1/3)x + 18 = 19

⇒(1/3)x =1

⇒x =3

Therefore, based on the solution set S:{3} the equation which is false is

-28 =2(4p -4).

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40 POINTS MATCH THEM PLS

Answers

1) 6x-36 and 6(x-6) 2) -6+36 and -6(x-6) 3)9y+2 and 6y-4-3y+5 4) 3x+15 5(x+3)-2x 5) 9y+2 and 4y+2+5y

Write the equation of the line that is parallel to line 3x - 2y = 8 and passes through the point (6, -3). Show ALL steps!

Answers

FIRST WRITE THE EQUATION OF 3X-2Y=8 IN THE FORM Y=MX+C TO GET THE REAL GRADIENT OF THE EQUATION

[tex] - 2y = 8 - 3x \\ \frac{ - 2y}{ - 2} = \frac{8}{ - 2} - \frac{3x}{ - 2} \\ y = \frac{3}{2} x - 4[/tex]

PARALLEL LINES HAVE EQUAL GRADIENTS.

AS WE SEE IN THE EQUATION ABOVE THE GRADIENT IS

[tex] \frac{3}{2} [/tex]

IT MEANS THE GRADIENT OF THE NEW EQUATION IS ALSO

[tex] \frac{3}{2} [/tex]

NOW GIVEN THE POINTS WE CAN USE THE KNOWNS TO GET THE VALUE OF C IN THE NEW EQUATION.

[tex] - 3 = \frac{3}{2} (6) + c \\ - 3 = 9 + c \\ - 3 - 9 = c \\ c = - 12[/tex]

[tex]y = \frac{3}{2} x - 12[/tex]

Which table of ordered pairs represents a proportional relationship?

need help ASAP!!

Answers

Answer:

Table 3 represents a proportional relationship

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

Proportional relationship has the form of:

y = kx, where k- coefficient of proportionality

The value of k should be same for any pair of coordinates:

k = y/x

Let's test it for each table

Table 1

k = 8/4 = 2k = 11/7 ≠ 2k = 14/10 ≠ 2No

Table 2

k = 25/5 = 5k = 49/7 = 7 ≠ 5k = 81/9 = 9 ≠ 5No

Table 3

k = 3/6 = 1/2k = 5/10 = 1/2k = 7/14 = 1/2Yes

Table 4

k = 3/6 = 1/2k = 11/8 ≠ 1/2k = 18/13 ≠ 1/2No

20% tip on a bill of $60.53

Answers

Answer:

12.106$

Step-by-step explanation:

20/100×60.53

1210.6/100

=12.106

Which function has a domain of (-1, ∞) and a range of (-∞, ∞)?
O A. f(x) = log₂x - 1
OB. f(x) = log₂ (x-1)
C. f(x) = log₂(x + 1
D f(x) = log₂ x+ 1

Answers

The two essential characteristics of functions are domain and range. Function has a domain of (-1, ∞) and a range of (-∞, ∞), f(x) = log₂x - 1.

What is domain and range?

Mathematical procedures are comparable to those of a soda vending machine. You can choose from a variety of sodas after you deposit a particular sum of money. Similar to how we enter different numbers into functions, we also receive new numbers as the outcome. The two essential characteristics of functions are domain and range.

A soda can be purchased using quarters and one dollar bills. If pennies are put into the machine, no soda flavor will be provided. As a result, domain depicts the possible inputs, which are quarters and one-dollar bills. No matter how much you pay, a Coke machine won't give you a cheeseburger. As a result, range refers to potential outputs, or in this case,  soda tastes in machine. Let's discover how to graph and determine domain and range of a given function.

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There are usually more objects at a crime scene than investigators can efficiently collect and analyze. A. True B. False on september 12, ryan company sold merchandise in the amount of $6,400 to johnson company, with credit terms of 3/10, n/30. the cost of the items sold is $4,300. johnson uses the periodic inventory system and the net method of accounting for purchases. the journal entry that johnson will make on september 12 is: Help ASAP, its for k12 Bio In given picture write some sentences in urdu A bubble of gas is released from the mud at the bottom of the pond. Its initial volume is 0.5cm^3. Ignoring any temperature differences in the water calculate the volume of the bubble as it reaches the surface After he was President, John Quincy Adams served in the U.S. Senate. True or false? Match the appropriate table with the corresponding equation below:Answer choices and question included in screenshot. I need help ASAP You place a box weighing 355.9 N on an inclined plane that makes a 36 angle with the horizontal. Compute the component of the gravitational force acting down the inclined plane. Answer in units of N. what is a peer to peer loan a________________ is an extra payment or bonuscan some tell me what goes on the line The genotype of a dog with black coat (C) and brown eyes (E) is CCEE. The genotype of a dog with tan coat (c) and grey eyes (e) is ccee. Assume both genes are unlinked. Assume two dogs with these specific genotypes produce puppies. What is the ratio of phenotypes in the F2 generation? AThe ratio will be 9:3:3:1 BThe ratio will be 9:6:1 CThe ratio will be 16:0 DThe ratio will be 9:1 order the levels of organization from smallest (top) to largest (bottom) How to substitute -x-32x+4y=14 (c) If sand and cement are mixed in the ratio of 2:5,find the part of them in fraction Think of substances that you see around you. At an atomic level, what might a bottle of water look like and how does itchange when they undergo chemical reactions? Situation #4Flywithus Airlines is updating its security system at a major airport. The budget for new metal detectors is$75,000. The airline has a maximum of 18 security guards available for each shift. There are two types ofmetal detectors available. Unit A costs $5000, requires 1 security guard and can process 300 people per hour.Unit B costs $7500, requires 2 security guards and can process 500 people per hour. Since Unit B has a betterreliability record, the purchasing agent has mandated that at least 4 units must be type B. Determine thenumber of units of each type that should be purchased to maximize the number of people processed.p. Define the variablesq. Write the constraints. ANSWER ASAP!!!!!! There are not enough jobs or good places to live for everyone. Many families live in small huts with no running water.Which combines the sentences using an adverb clause?A. Since there are not enough jobs or good places to live for everyone, many families live in small huts with no running water.B. There are not enough jobs or good places to live for everyone, which causes many families to live in small huts with no running water.C. There are not enough jobs or good places to live for everyone, and many families live in small huts with no running water.D. Not having enough jobs or good places to live for everyone, many families live in small huts with no running water. There are about 146 million sheep in China and 101 million sheep in Australia. The number of sheep in Australia is what percent less than the number of sheep in China? ASAP what is the unit we use to measure mass what is cell? define cell