how many ways are there to deal hands from a standard playing deck to four players if: (a) each player gets exactly 13 cards. (b) each player gets seven cards and the rest of the cards remain in the deck?

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

sus

Answer:

215.1x

Step-by-step explanation:

2.151x(102)

=2.151*x*100

=215.1*x

=215.1x

Answer:

The answer would be 215.1x

Step-by-step explanation:

2.151 x 10^2 = 215.1x

10^2 = 100

Then multiply 100 and 2.151x

100 x 2.151x = 215.1x

By using the concept of complex number, it can be calculated that

There is only one complex number which satisfies  |z – 1| = |z + 1| = |z – i|  

What is a complex number?

Any number of the form a+ib where, a and b are real numbers and           i = [tex]\sqrt{-1}[/tex] are called complex number.

Let z = x + iy

[tex]|z - 1|^2 = |z + 1|^2 = |z - i|^2[/tex]

[tex]|x + iy - 1|^2 = |x+iy + 1|^2 = |x+iy - i|^2\\(x-1)^2+y^2 = (x+1)^2+y^2 = x^2+(y -1)^2[/tex]

So the point (x, y) is equidistant from (1, 0), (-1, 0) and (0, 1)

(0, 0) is the only point which is equidistant from (1, 0), (-1, 0) and (0, 1)

z = 0 is the only complex number which satisfies  |z – 1| = |z + 1| = |z – i|

There is only one complex number which satisfies  |z – 1| = |z + 1| = |z – i|  

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The dimensions of a right circular cylinder of maximum volume that can be inscribed in a sphere of radius 70 cm will be r=0.0.7 m and h=0.08 m.

The maximum volume of  right circular cylinder of maximum volume that can be inscribed in a sphere of radius 70 cm will be 2640.4 m³.

How to find volume of Right Circular Cylinder?

Right cylinders are cylinders with axes that are perpendicular to the bases.

Volume of a Right Circular Cylinder= πr²h  

where,

r = radius of the base

h = height of right circular cylinder

Maximum volume of right circular cylinder that can be inscribed in a sphere will be,    

                  [tex]\pi r^{2} h-\frac{\pi }{4} h^{3}\\\\= \frac{4\pi r^{3} }{3\sqrt{3} }[/tex]

given that, radius=70cm=0.0.7 m

so,

       [tex]Maximum\ volume=\frac{4\pi r^{3} }{3\sqrt{3} } \\\\= \frac{4\pi (70)^{3} }{3\sqrt{3} }\\\\=2640.4\pi \ m^{3}[/tex]

Using volume of right circular cylinder,

                [tex]h=\frac{2r}{\sqrt{3} }\\\\ h = \frac{2(0.07)}{\sqrt{3} }\\\\h= 0.08\ m[/tex]

Hence, The dimensions of a right circular cylinder of maximum volume that can be inscribed in a sphere of radius 70 cm will be r=0.0.7 m and h=0.08 m.

The maximum volume of  right circular cylinder of maximum volume that can be inscribed in a sphere of radius 70 cm will be 2640.4 m³.

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The time when Anita finished making the cookies is 12.05 pm.

From the information illustrated, Anita started making sugar cookies for her friends at 9:55 A.M, it took her 1 hour and 15 minutes to make the dough and 40 minutes to bake all of the cookies and then, Anita spent 15 minutes decorating the cookies with icing and sprinkle.

It should be noted that the time that she finishes will be the addition of the time given. This will be:

9.55 + 1.15 + 40 + 15

= 9.55 + 1.15 + 55

= 9.55 + 2.10

= 12.05

The time is 12.05 pm

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Answer: 21 miles

Step-by-step explanation:

We know that it travels 2016 miles in 96 hours.

So we just need to get 2016 divided by 96 = 21 miles/ per hour

If you can please give me a Brainliest, I only need 3 more to become an Ace, thank you!

Hence, the miles does the balloon travel in one hour is [tex]21[/tex] miles/ per hour.

What is the miles?

Mile is a customary unit used for measuring length or distance. More About Mile Mile is denoted by the symbol 'mi'.

Here given that,

A hot-air balloon travels [tex]2,016[/tex] miles in [tex]96[/tex] hours. It travels the same number of miles each hour.

As we know that it travels [tex]2016[/tex] miles just only in [tex]96[/tex] hours.

[tex]\frac{2016}{96}=21[/tex] miles/ per hour

Hence, the miles does the balloon travel in one hour is [tex]21[/tex] miles/ per hour.

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The value of v in the triangle is 15 degrees.

A triangle is a polygon with three sides. The sum of angles in a triangle is 180 degrees.

The exterior angle theorem states that the measure of an exterior angle is equal to the sum of the measures of the two remote interior angles of the triangle.

The exterior angle theorem is used to find the value of v.

Therefore,

31 + 4v + 44 = 9v

31 + 44 = 9v - 4v

75 = 5v

divide both sides by 5

v = 75 / 5

v = 15

Therefore,

v = 15

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Answer:

  yes

Step-by-step explanation:

You want to know if the sides are congruent in a triangle with congruent angles.

The Law of Sines tells us the sides of a triangle are proportional in length to the sines of the opposite angles.

If the angles are congruent, their sines are equal, and the sides are congruent.

A triangle with congruent angles has all angles 60°. Such a triangle is called an equilateral triangle. The name "equilateral" refers to the fact that the sides are the same length.

Answer:

The slope is -0.5, which indicates a negative correlation.

Step-by-step explanation:

y = mx + b

Is a slope-intercept form of the equation.

The y represents the distance of the line from the y-axis. (if u were to graph the problem)

M represents the slope of the line.

An the value of b is equal to y when x = 0

The equation that was given is y = 4.0 - 0.5x, which wasn't written the normal way, like  y = mx + b, they just switched the spots from y = mx + b, to y = b + mx.

So the slope is the 0.5. (which is also -0.5)

Trust me, I took a test and it had this answer, and I got it right.

Answer:

B- -0.5

Step-by-step explanation:

-.05 is a negative correlation

Negative Correlation definition- Is a  situation or an event where two variables move in the opposite direction

(Plus I also Took the test and got it right)

The probability of having 2 boys and 1 girl would be  [tex]\frac{3}{8}[/tex]

What is Probability?

The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true. An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.

Given that:

family with 3 children.

Condition: Girl is as likely as a boy at each birth.

s will be the sample space.

The sample space has 8 elements:

s = {bbb, bbg, bgb, bgg, gbb, gbg, ggb, ggg}

n(s) =  [tex]\frac{1}{8}[/tex]

We need 2 boys and 1 girl, regardless of order,

sample space for 2 boys and 1 girl, regardless of order would be 3.

s = 3

Then, probability will be

      [tex]Probability \ of\ having\ 2 \ boys\ and \ 1\ girl =\frac{3}{8}[/tex]

Hence, The probability of having 2 boys and 1 girl would be  [tex]\frac{3}{8}[/tex]

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Answer:

y = 5x

Step-by-step explanation:

the equation of variation in which y varies directly as x is

y = kx ← k is the constant of variation

to find k use the given y = 21.25 when x = 4.25

21.25 = 4.25k ( divide both sides by 4.25 )

5 = k

y = 5x ← equation of variation

In 700 years the population of Transylvania will double  

What is growth rate ?

the typical annual rate of population change during a particular period for a certain nation, region, or geographic area. In most cases, a factor of 100 is used to describe the ratio between the annual growth in population size and the total population for the year.

Growth rate equals Absolute Change divided by Previous Value. Calculate the percentage of change: Percent of change = Growth rate x 100 is the formula that may be used to calculate the percent of change.

To calculate in how many years the population of Transylvania double

= 70 / 0.1

= 700 years

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The maximum number of electrons in an atom that can have the given sets of quantum numbers n=4 is 32.

In the given question we have to find the maximum number of electrons in an atom that can have the given sets of quantum numbers n=4.

As we know that;

A negatively charged subatomic particle known as an electron can either be free or attached to an atom (not bound). One of the three main types of particles within an atom is an electron that is bonded to it; the other two are protons and neutrons. The nucleus of an atom is made up of electrons, protons, and neutrons altogether.

So the maximum number of electrons in an atom is;

Number of Electron = 2*n^2

Number of Electron = 2*(4)^2

Number of Electron = 2*16

Number of Electron = 32

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Answer:

The Tiger has the better record, because the Leo won 5 games out of 8 and the Tiger won 7 games out of 11. When we change both denominator to the same number, the Leo's is 55/88 and the Tiger is 56/88, so the Tiger has the better record

Answer:X+(X+10)+(2X)

Step-by-step explanation:

Lets say X is the amount of children tickets sold.

So she sold some kid tickets and we get an X

So X

and then she sold ten more than X tickets to adults

So now we have

X+(X+10)

And then she sold twice as many senior tickets than kids tickets

so now we have

X+(X+10)+(2X)

hope that helped at all!

The standard deviation of the number of days absent is found as 1.1616.

For the stated question-

Number of Days Absent/Probability

Thus, the mean is found as;

Mean = (0x0.60) + (1x0.20) + (2x0.12) + (3x0.04) + (4x0.04)

Mean = 0.72

Standard deviation σ = (0-0.72)² x 0.60 + (1-0.72)² × 0.20 + (2-0.72)² × 0.12 + (3-0.72)²  × 0.04 + (4-0.72)² × 0.04

Standard deviation  = 1.1616

Thus, the standard deviation of the number of days absent is found as 1.1616.

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The complete question is-

A company is studying the number of monthly absences among its 125 employees. The following probability distribution shows the likelihood that people were absent 0, 1, 2, 3, 4, or 5 days last month.

Number of Days Absent/Probability

0 0.60

1 0.20

2 0.12

3 0.04

4 0.04

5 0.00

What is the standard deviation of the number of days absent?

Answer:

Step-by-step explanation:

You want to identify the true statements about the function f(x) = |x+3|.

A graph of the function is attached. It shows the function is decreasing to the left of x = -3, increasing to the right of that point, and has an x-intercept at x = -3. The function is positive everywhere.

The true descriptions are ...

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

15/8 quart of grape juice is needed for 15/4 quart of sparkling water.

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

The recipe for sparkling grape juice calls for 1(1/2) quart of sparkling water and 3/4 quart of grape juice,

This means,

1(1/2) quart of sparkling water = 3/4 quart of grape juice

3/2 quart of sparkling water = 3/4 quart of grape juice

Multiply 15/6 on both sides.

15/6 x 3/2 quart of sparkling water = 15/6 x 3/4 quart of grape juice

15/4 quart of sparkling water = 15/8 quart of grape juice

Thus,

15/8 quart of grape juice is needed for 15/4 quart of sparkling water.

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For the given data, a) The mass at the time t = 3 is 14.13 kg. and b) The mass remaining after 20 days is 10.05 kg.

What is radioactive decay?

The spontaneous breakdown of an atomic nucleus of a radioactive substance resulting in the emission of radiation from the nucleus is known as Radioactive decay.

The Radioactive Formula is given by

                     [tex]N = N_{0} e^{-\lambda T}[/tex]

Given, [tex]m(t) = 15e^{-0.02t}[/tex]

where m(t) is measured in kilograms

a) To find the mass at time t=3, then

m(3) = [tex]15e^{-0.02*3}[/tex] = [tex]15e^{-0.06}[/tex] = 14.13 kg

Therefore, the mass at the time t=3 is 14.13 kg.

b)  To find how much of the mass remains after 20 days,

m(20) = [tex]15e^{-0.02*20}[/tex] = [tex]15e^{-0.4}[/tex] = 10.05 kg

Therefore, the mass remaining after 20 days is 10.05 kg.

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Answer:

  rectangle, square, triangle

Step-by-step explanation:

Given the coordinates of the vertices of a rectangle, triangle, and square, you want to sort them in order of increasing perimeter.

In general, the length of a side can be found using the distance formula:

  d = √((x2 -x1)² +(y2 -y1)²)

This shows you that if the x-coordinates are the same, the distance is the positive difference of the y-coordinates, and vice versa.

The attachment shows the side lengths for the figures, computed using this formula. Each row shows the distance from the point on that row to the point on the next row. (You will notice the last point is a copy of the first point.)

The perimeter of each figure is the sum of the side lengths. This is the number below the Distance column in each of the tables.

In increasing order, the perimeters are ...

__

Additional comment

When the computations are repetitive, it is often convenient to let a spreadsheet do them. The formula can be entered once and copied where needed. The problem then reduces to one of data entry, which you generally have to do for any but mental arithmetic.

A rotation matrix has two complex eigenvalues e−iθ and eiθ.

These are matched by complicated eigenvectors.

We are aware that the rotational axis is represented by the eigenvector with the eigenvalue 1 in it. how to demonstrate that the angle of rotation is represented by the complex eigenvalue.

It is simple to compare it with a rotation matrix for rotation about the x, y, or z axes, but how can one draw this conclusion for a general R that belongs to SO (3).

In linear algebra, a rotation matrix is a transformation matrix that is used to perform a rotation in Euclidean space. For example, using the convention below, the matrix rotates points in the xy plane counterclockwise through an angle θ with respect to the positive x axis about the origin of a two-dimensional Cartesian  Plane.

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Answer:$17.50 remaining

Step-by-step explanation: 0.25 x 30 = 7.50

7.50 - 25.00 = $17.50 remaining

Answer:

$17.5

Step-by-step explanation:

B = 25 -0.25(30)

B = 25 - 7.5

B = 25.0 - 7.5

B = $17.5

Answer: $117

Step-by-step explanation: 1st subtract 3 then divide by 2 then subtract 3 again and divide by 2 again

the f-test statistic to test the claim that the population variances are equal is F test = 2.54

We are given two samples

Standard deviation of the first sample = 2.1971

Standard deviation of the second sample = 7.32

F test statistic = Variance of the Larger sample/ Variance of the smaller sample

Variance = (Standard deviation)²

Variance for the first sample = 2.1971²

= 4.8272

Variance for the second sample = 7.32² = 53.5824

F test = 53.5824/4.8272

= 11.100

Therefore, the F test approximately = 11.100

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The value of ''- X'' will be;

⇒ - X = 19

What is Number line?

Number line is a horizontal line where numbers are marked at equal intervals one after another form smaller to greater.

Given that;

X is 19 units to the left of 0.

Now,

Since, X is 19 units to the left of 0.

Hence, The value of X = - 19

So, We get;

The value of - X = - (- 19)

                         = 19

Thus, The value of ''- X'' will be;

⇒ - X = 19

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The value of x is -7.

An equation is an expression that shows the relationship between two or more numbers and variables. A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.

We are given the equation as

[tex]8^{x + 3} = 2 ^{x - 5}[/tex]

Solving the equation as;

[tex]8^{x + 3} = 2 ^{x - 5}\\\\2^{3(x + 3)} = 2 ^{x - 5}[/tex]

Then we have;

3x + 9 = x - 5

2x = -14

x = -7

The value of x is -7.

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Total number of straight lines are 45 and it can be found out using combination.

What is combination?

A combination could be a choice of things from a collection that has distinct members, such the order of choice doesn't matter.

Main body:

Total points = 10

we need to find no three lie on the same straight line.

so , to find we can select 2 lines out of 10 and assume packing them together so  no 3 points lie on a line .

selection of 2 points out of 10.

C(10,2) = ¹⁰C₂

           = 10!/2!8!

           = 10*9/2

           = 45 lines.

Hence ,Total number of straight lines are 45 .

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