A jeweler has 15 diamond pendants and will display 4 of them from left to right in a glass case. In how many ways can he select and display the 4 pendants?

Answers

Answer 1
Final answer:

This is a problem of permutations. In this case, with 15 diamond pendants and selecting 4 at a time, there are 32,760 ways to select and arrange these pendants.

Explanation:

This question is about permutations of a set of objects. A permutation is an arrangement of objects in a specific order. The number of permutations of n distinct objects taken r at a time, denoted by P(n, r), can be calculated as: n! / (n-r)! where the '!' symbol represents a factorial, the product of all positive integers less than or equal to the number.

In this case, the jeweler has 15 diamond pendants (n=15) and is selecting and arranging 4 of them (r=4). We can plug these values into the formula to find the number of ways: P(15, 4) = 15! / (15-4)! = 32,760. So, there are 32,760 ways to select and display the 4 pendants.

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Related Questions

HEKP ASAP. BRAINLIEST TO FIRST CORRECT ANSWER.

Answers you can choose from:

(A) 5.0
(B) 6.5
(C) 7.0
(D) 8.5

Answers

A. Both triangles equal 50 and 10x5 is 50. Therefore, y=5.

23rd term:0.1,0.15,0.2,0.25

Answers

the answer to the 23rd term is 1.20

the working out is shown above in the attachment.

hope this helps

Final answer:

The 23rd term of the sequence [0.1,0.15,0.2,0.25...] is 1.2. This sequence is an arithmetic progression with a common difference of 0.05.

Explanation:

This question is about finding the 23rd term in the sequence [0.1,0.15,0.2,0.25...]. This sequence represents a simple arithmetic progression where the typical difference between two consecutive terms is 0.05.

To find the 23rd term, you can use the formula for the nth term, an arithmetic progression, which is a+n*d where a is the first term, n is the term number, and d is the common difference. Therefore, the 23rd term is a + (n-1)*d equals 0.1 + (23-1)*0.05 = 1.2.

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Fred and Stacey both have books to read over the summer. Fred has read 54 pages and Stacey has read 63 pages. What is the ratio of the number of pages Stacey has read to the number of pages Fred has read?
A.
7:6
B.
54:1
C.
1:54
D.
6:7

Answers

The answer is 7:6, meaning that it is A.

Hope this helps!

Answer:

A. 7:6

Explanation:

63:54

both numbers have a gcf and its 9 so,

63:54 simplified is 7:6

please help 15 points

What is the closed linear form for this sequence given a1 = 27 and an + 1 = an - 2?
A) an = 14 - n
B) an = 30 + 2n
C) an = 27 + 4n
D) an = 29 - 2n

Answers

Answer:

C

Hope This Helps!    Have A Nice Day!!

Answer:

D) 29-2n

Step-by-step explanation:

Paulo is creating a confidence interval based on sample data for the percentage of Americans that own a dog. His work is shown below.

for some reason it won't let me add in the picture as an attachment or as anything. Basically its like this- E = 1.645 • .452(1-.452)/950
And then all of the .452 etc is in a little square root thing.

Based on Paulo’s work, what conclusion can be drawn from the sample data he collected?


Complete the statement to form the conclusion.

It can be said with


90% confidence that between 42.5% and 47.9% of Americans own a dog.

90% confidence that between 45.2% and 54.8% of Americans own a dog.

95% confidence that between 42.5% and 47.9% of Americans own a dog.

95% confidence that between 45.2% and 54.8% of Americans own a dog.

The answer is (A) but if someone wants to explain why it is (A) that would be awesome

Answers

Answer:

A. 90% confidence that between 42.5% and 47.9% of Americans own a dog.

Step-by-step explanation:

edgu 2020

Find the product of 50 minus 5 and 4 divide by 2.

Answers

Answer:

47.5

Step-by-step explanation:

50-5+4 =49

49/2 = 24.5

Answer:

40

Step-by-step explanation:

What is the answer for x

Answers

Answer:

Its 14

Step-by-step explanation:

im really really really confusedddd please help uwu

Answers

Answer:

17

Step-by-step explanation:

cm/year

cm=34

year=2

34/2=17

There are many cylinders with a height of 18 meters. Let r  represent the radius in meters and V represent the volume in cubic meters.
a. Write an simplified equation (plugging in all know quantities) in terms of   (meaning do not
        multiply by 3.14 when you simplify) that represents the volume as a function of the radius.

Answers

The equation would be: [tex]V(r)=2\pi r \cdot 18[/tex]

Volume V is represented as a function of radius r. Height of a cylinder h is multiplied by the circumference of the cylinder 2πr to result in volume.

Answer:

18pir^2

Step-by-step explanation:

10×+73=7 solve two step equations by using inverse operations. and use inverse operations to solve the equations ​

Answers

Answer:

x=-67/10

Step-by-step explanation:

What you have to do is first subtract 73 from both sides. that makes it 10x=7-73. That is 10x=-67. Then divide both sides by 10. That is x=-67/10

Can I get brainliest

Answer: x= -67/10 hope it help

Step-by-step explanation:

y = 2x – 1 and y = x + 3 ?
A.)(4, 7)
B.)(7, 4)
C.)(–7, –4)
D.)infinite solutions

Answers

Answer:

A. (4, 7)

Step-by-step explanation:

y = 2x - 1

y = x + 3

y = x + 3

2x - 1 = x + 3

2x = x + 4

x = 4

y = 2x - 1

y = 2(4) - 1

y = 8 - 1

y = 7

i hope this helps !!

if bcde is congruent to OPQR, then BE is congruent to

Answers

Is there a picture for this ?

i am a solution. My number cubed is equal to -64. What number am i?

Answers

Answer:

the answer is 4. 4*4 is 16 16*4 is 64

Step-by-step explanation:

The length of a rectangle is represented by (6x − 2), and the width is represented by (x − 1). Which expression best represents the area of the rectangle

Answers

Answer:

The answer is 6x^2-8x+2

Step-by-step explanation:

To find the area, you have to multiply the length by the width.

You will get the equation of (6x-2)(x-1). Then, you multiply and find the answer, 6x^2-8x+2.

For every increase one on the ritcher scale an earthquake is 10 times more powerful which of the following models the situation
A.Linear function with a negative rate of change
B. Linear function with a positive rate of change
C. Exponential decay function
D.Exponential growth function

Answers

Answer:

D. Exponential Growth.

Step-by-step explanation:

Suppose the equation is  y = 10^x   which is an exponential function.

When  x = 1 , y = 10, when x = 2, y = 10^2 = 100, when x = 3, y = 10^3 = 1000 which is 10 times more powerful for each unit increase of x.

The answer is Exponential growth.

An Angle whose measure is 40 is in standard position. In which quadrant does the terminal side of the angle fall?

Answers

ANSWER

First quadrant

EXPLANATION

An angle in standard position starts measuring from the positive x-axis anticlockwise.

Since 40° is less than 90°, it's terminal side will fall within the first quadrant.

Hence the terminal side of a 40° is in the first quadrant.

Answer:

A, Q 1

Step-by-step explanation:

Edge

find the area of the parallelogram

28 square units
14 square units
24 square units
48 square units

Answers

the answer is to your question is 48

Answer:

48 square units

Step-by-step explanation:

to find areas of unusual figures, we divide the section into more easy figures to find its area, in this case we can divide the parallelogram into two triangles, drawing a line from point D to point B

then we will have two triangles whose area is easier to find,let´s see the AB-BD-DA triangle

[tex]A=\frac{b*h}{2}[/tex]

b= 6 units (from -6 to zero)

h=8 units ( from -4 to 4)

[tex]A=\frac{6*8}{2} =24[/tex]   square units

the area of the triangle DC-CB-BD is the same,

it's the same triangle but turned up,  so we have a  total area

At=24 square units* 2= 48  square units

Have a great day

what is the sum of the interior angle measures of a convex irregular pentagon?

Answers

Answer:

540 degrees.

Step-by-step explanation:

The formula for the sum of the interior angles is

S(n) = 180(n - 2)  where n = the number of sides.

For a pentagon, with 5 sides it is 180(5 - 2)

= 3*180

= 540 degrees.

Answer:

I think the answer is 540?

Step-by-step explanation:

How much more will 22,000 earn in interest than 14000 if both are invested in savings accounts with apys of 5.4% for a year?

Answers

Answer:

$432 more are earned by 22,000 than 14,000 if invested with apys of 5.4% for a year

Step-by-step explanation:

Total  = [tex]P*(1+r)^t[/tex]

where P=Principal amount

r= rate

t= time

Using this formula for P= 22,000 and r = 5.4% or 0.054 and t= 1

Total = [tex]22,000*(1+0.054)^1[/tex]

Total  = [tex]23,188[/tex]

Interest earned = 23,188 -22,000

Interest earned = 1,188

Using this formula for P= 14,000 and r = 5.4% or 0.054 and t= 1

Total  = [tex]14,000*(1+0.054)^1[/tex]

Total  = [tex]14,756[/tex]

Interest earned = 14,756 -14,000

Interest earned = 756

AS interest earned by 22,000 is 1,188 while interest earned by 14,000 is 756

so, 1,188 - 756 = 432.

So, $432 more are earned by 22,000 than 14,000 if invested with apys of 5.4% for a year

Answer:

$432

Step-by-step explanation:

Which net folds into the pyramid?

Choices are on the 2nd picture with letter

Answers

Answer:

the correct choice will be letter W

Step-by-step explanation:

97) If the average of 3a and 4b is less than 50 and a is twice b, what
is the largest integer value of a?
a) 8
b) 9
c)10
d)11​

Answers

The average of [tex]3a[/tex] and [tex]2b[/tex] satisfies

[tex]\dfrac{3a+4b}2<50[/tex]

Then

[tex]a=2b\implies\dfrac{3(2b)+4b}2=5b<50\implies b<10[/tex]

[tex]a=2b[/tex], so if [tex]a[/tex] must be an integer, then the largest integer value it can take on is 19 if [tex]b[/tex] can be a rational number (in which case [tex]b=9.5[/tex]) or 18 if [tex]b[/tex] must also be an integer.

Given that none of the provided answer choices lists 18 or 19, I'd bet there's a typo and you're supposed to find the maximum integer value of [tex]b[/tex], in which case the answer would be B as the largest integer value would be 9.

1. The circumference of a circle with diameter of 8 feet is ____?
2. The circumference of a circle with a diameter of 13 centimeters is ____?
3. The circumference of a circle with a radius of 3.5 miles is ____?

Answers

1. 25.13 feet
2. 40.84cm
3. 21.99 miles or 22 miles

Express 120% as a fraction in simplest form

Answers

Answer:

6/5

Step-by-step explanation:

120% turns into 120/100 and from there you simply

Final answer:

To convert 120% to a fraction in its simplest form, write it as 120/100 and then simplify the fraction by dividing both the numerator and the denominator by their greatest common factor, which is 20. This results in 6/5.

Explanation:

To express 120% as a fraction in simplest form, you first write the value of the percent as a fraction with a denominator of 100. This is essentially how you convert percentages into fractions. This means that 120% becomes 120/100.

Next, you need to simplify this fraction. To simplify a fraction, you find the greatest common factor of both the numerator and the denominator and then divide each by that number. In this case, the greatest common factor is 20, so you divide both 120 and 100 by 20.

Doing so, the fraction becomes 6/5. Therefore, 120% can be expressed as the fraction 6/5 in simplest form.

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Find the surface area 12cm 15cm 14cm 14cm

Answers

Answer:

1288

Step-by-step explanation:

Triangles on the top have surface area 15*14/2 there are four of them so multiply by four to get 420.

The rectangular sections all have area 12*14 except for the base. There are four of these equal sections, so the combined area is 672.

Lastly, the base has area 14*14, which is 196.

Summing all of these we get 1288

the system without any solutions set is called a/an

Answers

Answer:

it's called an Expression I believe.

I need to find the missing numbers

Answers

Answer:

b11 = -14

b12 = 9

b13 = 8

Step-by-step explanation:

* Lets revise some notes to solve the problem

- Any matrix has a dimension m × n, where m is the number of rows

 and n the number of columns

- We can add matrices with same dimensions

* Now lets solve the problem

∵ [tex]B+\left[\begin{array}{ccc}15&-7&4\\0&1&2\end{array}\right]=\left[\begin{array}{ccc}1&2&12\\4&0&2\end{array}\right][/tex]

- Let [tex]B=\left[\begin{array}{ccc}b11&b12&b13\\b21&b22&b23\end{array}\right][/tex]

∴ [tex]\left[\begin{array}{ccc}b11&b12&b13\\b21&b22&b23\end{array}\right]+\left[\begin{array}{ccc}15&-7&4\\0&1&2\end{array}\right]=\left[\begin{array}{ccc}1&2&12\\4&0&2\end{array}\right][/tex]

- Lets add and find the missing

* Lets start with the first rows

∵ b11 + 15 = 1 ⇒ subtract 15 from both sides

b11 = -14

∵ b12 + -7 = 2 ⇒ add 7 to both sides

b12 = 9

∵ b13 + 4 = 12 ⇒ subtract 4 from both sides

b13 = 8

* Now lets start with the second rows

∵ b21 + 0 = 4

∴ b21 = 4 ⇒ given

∵ b22 + 1 = 0 ⇒ subtract 1 from both sides

∴ b22 = -1 ⇒ given

∵ b23 + 2 = 2 ⇒ subtract 2 from both sides

∴ b23 = 0 ⇒ given

For the data set 7,5,10,11,12, the mean,x,is 9. What is the standard deviation

Answers

Answer:

It is 2.91547 You could round if you want.

Step-by-step explanation:

Answer: 2.61

Step-by-step explanation:

Given data (x) :  7,5,10,11,12

Mean of the data : [tex]\overline{x}=9[/tex]

Number of data values : n= 5

Now, [tex]\sum (x-\overline{x})^2=(7-9)^2+(5-9)^2+(10-9)^2+(11-9)^2+(12-9)^2[/tex]

i.e. [tex]\sum (x-\overline{x})^2=34[/tex]

Now, the standard deviation for this data is given by :-

[tex]\sigma=\sqrt{\dfrac{\sum  (x-\overline{x})^2}{n}}\\\\\sigma=\sqrt{\dfrac{34}{5}}=2.60768096208\approx2.61[/tex]

How many 1/3 cups servings are in 4 cups

A 1/12

B 3/4

C 4

D 12


Help with 17, 18,34,35 Please

Answers

Only one that would make sense is 1/12

A. 1/12 i guess if not than D. 12

what are equivalent expression for 6x+1-(3x-1)

Answers

Answer:

3x + 2

Step-by-step explanation:

6x + 1 - (3x-1) < distribute the negative sign into the expression

6x + 1 -3x + 1 < combine like terms

6x - 3x = 3x

1 + 1 = 2

our simplified expression is:

3x + 2

Is 1+4(3x-10)-12x equivalent to -9 ?

Answers

After distributing the multiplication and combining like terms, the expression 1+4(3x-10)-12x simplifies to -39, which proves it is not equivalent to -9.

To determine if the expression 1+4(3x-10)-12x is equivalent to -9, we need to simplify the expression first. Let's do that step by step:

Distribute the 4 into the parentheses: 1 + 4*3x - 4*10 - 12x.Simplify the multiplication: 1 + 12x - 40 - 12x.Combine like terms: The 12x and -12x cancel each other out, leaving 1 - 40.Simplify the remaining expression: -39.

After simplifying the expression, we end up with -39, which is not equivalent to -9. Therefore, the given expression 1+4(3x-10)-12x is not equivalent to -9.

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