Suppose you choose four books
to read from a summer reading
list of 12 books. How many
different combinations of books
are possible?
n!
Note: „C, = 77(n-1)!
Enter

Answers

Answer 1
The number of different combinations that are possible are: 495

Related Questions

PLS HELP WILL GIVE BRAINLIEST!!

Answers

Step-by-step explanation:

1. 60in

2. 24in

3. 56m

4. 66m

Answer:

1. 20 half of 20 is 10(new radius),

10^10 = 100

100 x 3.14 = 314

314 divided by 2 = 157

2. 8 x 8 = 64, 64 divided by 2 ( x 1/2) = 32

half of 8 is 4(new radius)

4 ^4 = 16, 16 x 3.14 = 50.24

50.24 divided by 2 = 25.12

25.12 + 32 = 57.12

3. Half of 7 is 3.5(new radius)

Just find the area of a full circle since two semi circles make a full circle.

3.5^2 = 12.25

12.25 x 3.14 = 38.465,

21 x 7 = 147

147 + 38.465 = 185.465

4. Half of 6 is 3(new radius)

3^3 = 9

9 x 3.14 = 28.26, 28.26 divided by 2 = 14.13

11 x 6 = 66, 66 divided by 2 (x 1/2) = 33

14.13 + 33 = 47.13

5. 81 divided by 4 = 20.25

half of 20.25 is 10.125(new radius)

10.125 x 2 x 3.14 = 63.585 rounded = 63.59

ANSWER QUICKLY PLEASEEEE



Asia is the largest of the world's seven continents with an area of approximately 1.7x107 square miles. Aus
smallest continent, has an area of approximately 3.1 x 106 square miles.
How much larger is Asia than Australia? Express the answer in scientific notation.
1.40 x 106 square miles
2.93 x 10 square miles
1.39% 107 square miles
O 2.01 x 107 square miles

Answers

Answer:

it would be c

Step-by-step explanation:

Answer:

A first-order observation is that earthquakes and volcanoes occur across most of the continental region, and in parts of the oceanic region offshore East Africa.

Step-by-step explanation:

Ο   Ο

  ω

If x=7, what does y equal in the following equation?"
2x + 4y = -6

y=-2

y=-3

y4

y=-5

Answers

y = -5

...................

fill in x with 7,
2(7)+4y=-6
14+4y=-6, multiple
4y=-20, subtract
y=-5, divide

Can y’all help me I don’t understand this bc I didn’t pay attention when we learned this..?

Answers

Answer: the answer is c

Step-by-step explanation:

9514 1404 393

Answer:

  C.  ≥

Step-by-step explanation:

The wording "at least" means the same as "greater than or equal to," both in English and in math. The latter is usually how we describe the symbol ≥.

So, when (something) is "at least" 18, the symbol to use to describe that is ...

  (something) 18 . . . . . . matches choice C

answer the question
1,000,000-2+5

Answers

Answer:

using BODMAS, addition comes before subtraction. 2+5 is 7 and 1000000 - 7 is 999,993

The answer is 1000003
1000000+3=1000003
Brainliest please

What is the probability that a phone number generated using the digits 1, 2, 2, 4, 5, 5, 6, and 2 is the number 654-5222

Answers

Answer:

336 ways

Step-by-step explanation:

The digits are 1, 2, 2, 4, 5, 5, 6, and 2 that is total eight digits.

The number 654-5222 contains 7 digits.

So, we have find The number of permutations for choosing 7 digits from 8 digits given above.

This can be done in following ways

[tex]\frac{8!}{3!\times2!}[/tex] = [tex]\frac{40320}{6\times2}[/tex]

= 336 ways

The area of a trapezoid is 128 square feet. If the height of the trapezoid is increased by a factor of 5, what is the area of the new trapezoid?

Answers

Answer:

640

Explaining:

If the height of the trapezoid is increased by a factor of 5 the area is increased by 5

128 = Original Area

128 • 5 = 640

640 = New Area

Help ! ASAP ! I need it down by 1:10 !

Answers

Answer:

16. r = 20, t = 48

17. a = 104, b = 175

19. 144/252, 20/35

20. 14/21, 18/27

21. 16/48, 12/36

22. 219 grams

23. 5 milligrams

Step-by-step explanation:

Answer:

16. r = 20

     t = 48

17. a = 104

    b = 175

19. [tex]\frac{144}{20} =\frac{252}{35}[/tex]

     7.2 = 7.2

20. [tex]\frac{27}{18}= \frac{21}{14}[/tex]

     1.5 = 1.5

21. [tex]\frac{48}{16} =\frac{36}{12}[/tex]

     3 = 3

22. [tex]\frac{8}{3} :\frac{584}{y}[/tex]

     219 grams of peanuts

23. [tex]\frac{y}{2}: \frac{200}{80}[/tex]

     50 milligrams of medication

Step-by-step explanation:

16. [tex]\frac{r}{32} =\frac{5}{8} =\frac{30}{t}[/tex]

8 · 4 = 32

5 · 4 = 20

r = 20

5 · 6 = 30

8 · 6 = 48

t = 48

17. [tex]\frac{52}{a} =\frac{10}{20} =\frac{b}{350}[/tex]

Here is a different method.

[tex]\frac{10}{20} =\frac{1}{2}[/tex]

52 · 2 = 104

a = 104

350 ÷ 2 = 175

b = 175

22.

[tex]\frac{8}{3} :\frac{584}{y}[/tex]

8 · y = 3 · 584

8y = 1752

8y ÷ 8 = 1752 ÷ 8

y = 219

23.

[tex]\frac{y}{2}: \frac{200}{80}[/tex]

y · 80 = 200 · 20

80y = 4000

80y ÷ 80 = 4000 ÷ 80

y = 50

Which of the following questions are statistical questions? Select all that apply

How far does Mary live from school?
How many students were absent from Mrs. Jenssen's class today?
How tall are the sixth grade students in your school?
How many pull-ups can each student in your class do?
What was the temperature at 4 p.m. each day this week?

Giving brainliest

Answers

Answer:

What was the temperature at 4 p.m. each day this week?

(I'm not sure how many answers you can choose.)

Find the maximum height of the baseball. I think 68. If it's wrong or right then please explain!

Answers

The coordinates of the problem are (2,68)

you are correct!

hello please help i’ll give brainliest

Answers

Answer:

The answer is 131

Step-by-step explanation:

Select the correct answer.
Pentagon ABCDE is similar to pentagon PQRST. If the side length of pentagon ABCDE is 6 times the side length of pentagon PQRST, which
statement is true?
.A
The area of pentagon ABCDE is 6 times the area of pentagon PQRST
The area of pentagon ABCDE is 12 times the area of pentagon PQRST.
Ос.
The area of pentagon ABCDE is 36 times the area of pentagon PQRST.
D.
The area of pentagon ABCDE is 216 times the area of pentagon PQRST,

Answers

Answer: c

Step-by-step explanation:

The area of pentagon ABCDE is 36 times the area of pentagon PQRST. Therefore, the option C is the correct answer.

What is a pentagon?

Any five-sided polygon or 5-gon is referred to as a pentagon. A basic pentagon's interior angles add up to 540°. A pentagon might be straightforward or self-intersecting.

We know the formula for the area of a pentagon, therefore, the area of the pentagon PQRST can be written as,

A= 1/4 ×√(5(5+25)×a²

Given that the side of the side length of pentagon ABCDE is 6 times the side length of pentagon PQRST, therefore, the area of the pentagon ABCDE can be written as,

Area of a ABCDE = 1/4 ×√(5(5+25)×(6a)²

= 1/4 ×√(5(5+25)×36a²

= 36A

Therefore, the option C is the correct answer.

Learn more about the Pentagon here:

brainly.com/question/12657453

#SPJ5

What is the perimeter of this shape?

1. 180 square inches
2. 190 square inches
3. 1200 square inches
4. 1120 square inches

Answers

The answer would be 1. 180 square inches
Because to get this answer you would have to find the outer sides which are 40 and 22 you get these by subtracting the missing lengths in the irregular shape

Which number has the greatest absolute value?

A. 0
B. 4
C. –2
D. –5

Answers

The answer you are looking for is D. -5.

-5 is the answer because it's absolute value if positive 5, which has a higher value than the numbers in the answer choices.

If this helps, please mark brainliest!

Have a wonderful rest of your day!

[tex]\huge{ \mathfrak{  \underline{ Answer }\:  \:  ✓ }}[/tex]

The correct option is D.)

The number having the greatest absolute value is 5

Absolute values of given numbers :

A. 0

B. 4

C. 2

D. 5

and 5 is greatest here .

_____________________________

[tex]\mathrm{ \#TeeNForeveR}[/tex]

The ecology club wants to collect 200 bags of trash for a cleanup.Before lunch they collected 87 bags.After lunch they collected 95 more bags.

How many more bags does the club need to reach 200 bags total?

Answers

Answer:

18 more bags

Step-by-step explanation:

87 + 95 = 182

200 - 182 = 18

A cylindrical grain silo with a flat top has a volume of 4320π cubic feet. if its radius is 3 feet, how tall is it? Please show an explanation so I can learn it

Answers

Answer:This should be 20cu feet! Hope this helps

Step-by-step explanation:

Identify the relative maximum.
A)
The relative maximum is 8 when x =0.
B)
The relative maximum is O when x = 3.03.
The relative maximum is 6.86 when x = -0.85.
D)
The relative maximum is -9.55 when x = 2.35.

Answers

Ummm I think it’s the second one

Answer:

A

Step-by-step explanation:

Help me with this please

Answers

25+30=(180-55) x=125
180-125
Y=55

Can someone please help!! Due tonight!! I’ll give brainliest

Answers

Answer: 1) Using the order of operations, you first have to multiply the amount of each item by it's price, and then add those values. So for Pablo, you would do (0.50 x 1) + (0.75 x 3) + (1.25 x 3) and solve within the parentheses to get .50+2.25+3.75=$6.50

2) For Laurie, use the same method from #1. First multiply and then add, like so: (0.5 x 2) + (1.25 x 3) + (0.75 x 3) ---> 1+3.75+2.25, which equals $7

3) Laurie > Pablo

   $7.00 > $6.50

Step-by-step explanation:

The term order of operations is also known as PEMDAS

Parentheses

Exponents

M/D - Multiplication/Division (whichever comes first in the equation)

A/S - Addition/Subtraction (whichever comes first)

Hope this helps!

Michael earned $15 per lawn he mowed this month plus an additional $55 in tips. He earned more than $205 in total. Which inequality best represents the situation, where L represents the number of lawns Michael mowed this month? a.15L +55≤205 b.15L +55<205 c.15L +55≥205 d.15L +55>205

Answers

Answer:

c.15L +55≥205

Step-by-step explanation:

More than means greater than or equal to and is represented by the symbol

Michael earned $15 per lawn he mowed this month plus an additional $55 in tips. He earned more than $205 in total.

Hence,

$55 + $15 × L ≥ $205

55 + 15L ≥ 205

Therefore, the inequality that best represents the situation, where L represents the number of lawns Michael mowed this month is

Option c.15L +55 ≥ 205

two movie theaters each surveyed 21 customers to determine their ages the table shows a summary of the results

Answers

Answer:

narrower

SD is greater

From the above data we get the correct options are narrower SD is greater.

We have given that,

Two movie theaters each surveyed 21 customers to determine their ages the table shows a summary of the results.

What is the meaning of the survey?

A survey is a research method used for collecting data from a predefined group of respondents to gain information and insights into various topics of interest.

Therefore from the above data we get the correct options are narrower SD is greater.

To learn more about the data visit:

https://brainly.com/question/19243813

#SPJ2

A quadrilateral is shown on the graph below. If the dimensions of this
quadrilateral are scaled by a factor of 2, which equation models the
effect this scaling has on the area of the figure.

Answers

Answer:

Area of the image rectangle = 4(Area of the original rectangle)

Step-by-step explanation:

Length of the rectangle given in the graph = 4 units

Width of the rectangle = 2 units

Area of the rectangle = Length × Width

                                    = 4 × 2

                                    = 8  square units

Since, scale factor = [tex]\frac{\text{Dimension of the image}}{\text{Dimension of the original}}[/tex]

2 = [tex]\frac{\text{Length of the image}}{\text{Length of the original}}[/tex]

Length of the image rectangle = 2(4)

                                                   = 8 units

Similarly, width of the image rectangle = 2(2)

                                                     = 4 units

Area of the image rectangle = 8 × 4

Area of the image = Area of the original × 4

Area of the image = 4(Area of the original)

Area of the image rectangle = 4(Area of the original rectangle)

3819 rounded to the nearest 10
is...
3810
3900
3820
3800

Answers

Answer:

3820

Step-by-step explanation:

What about this one I don’t know

Answers

Answer:

I believe it is 12.

Step-by-step explanation:

12 ✔︎✔︎✔︎✔︎✔︎✔︎✔︎✔︎✔︎✔︎✔︎✔︎✔︎☻︎☻︎ ⌫⌫

No links! please help asap

Answers

Answer:

[tex]Volume \ of \ cuboid \ = Length * breadth * height[/tex]

                             = [tex]18*6*9 = 972m^3[/tex]

                           [tex]Surface \ area \ = 2*[(length*breadth) + (breadth * height) + (length * height)][/tex]

                         [tex]2*[(18*6)+(6*9)+(18*9)]\\2*[108 + 54 + 162] = 2 *324 = 648m^2[/tex]

On a coordinate plane, Point W is 5 units from the origin. If Point W is located at (3, y), which of these is a possible value for the y-coordinate of Point W?

Answers

Answer:

W (3 , 4) or W (3 . -4)

Step-by-step explanation:

W (3 , y), origin (0 ,0)

WO = √(3-0)²+(y-0)² = √9+y²

WO = 5

√9+y² = 5

9+y² = 25

y² = 16

y = ± 4

W (3 , 4) or W (3 . -4)

Answer:

-4

Step-by-step explanation:

A student was asked to identify the following numbers as rational or irrational. Determine if the student has made any mistakes. Choose ALL the INCORRECT answers. There may be more than one answer

Answers

Answer:

Yes they are wrong, rational & irrational ones down below.

Step-by-step explanation:

So, lets start this by asking, what is a rational and irrational number?

Rational numbers are literally any numbers that arent pi, e, or other symbols, as well as square roots.

Irrational numbers are exactly the opposite, being the numbers that are symbols, including square roots.

Note that the symbols listed above such as pi are values that are neverending.

Now, using what we know of rational and irrational numbers, let see which answers are rational and which are not.

So, we start off with:

-13/3

I do not see a square root.

I do not see a symbol such as pi either.

It is not a ever going number.(number that continues infinitly)

So -13/3 is a rational number.

Next we have [tex]\sqrt{37}[/tex]

immediatly we tell it has a square root.

So [tex]\sqrt{37}[/tex] is a irrational number.

Next we have 0.1234

This is not a every going number.

There isnt a square root.

And it isnt a symbol.

So 0.1234 is a rational number.

Next we have [tex]-\sqrt{100}[/tex]

Again, we can immediatly know it has a square root.

So  [tex]-\sqrt{100}[/tex] is a irrational number.

Next we have -77

This is not every going.

It doesnt have a square root.

It doesnt have a symbol.

So -77 is a rational number.

Lastly we have   [tex]-\sqrt{12}[/tex]

Like the other ones, we can imediatly tell it has a square root.

So [tex]-\sqrt{12}[/tex] is a irrational number.

Bascially, to answer further questions, here is the criteria for a number being rational:

It does not have a square root.It does not have a symbol.It is not a infinitly going on number.

If one of these criterias are not met, then you know its a irrational number.

Hope this helps! :D

Answer:

OPTION A& D

SEE IMAGE FOR SOLUTION

Hope it helps

Have a great day

Find angle in the question

Answers

Answer: I got 16.3 degrees, initial answer was 16.26 I just rounded.

Step-by-step explanation: If you use Tan, Sin or Cos you can find the angle of the triangle. I used Tan which is Opposite side over the adjacent side, so Tan^-1 = (14/48).

In a candy store, a $12.00 jar of candy is labeled, "30% off." What is the discount as a dollar amount?

Answers

Answer:

8.40

Step-by-step explanation: This means the cost of the item to you is $8.4. You will pay $8.4 for a item with original price of $12 when discounted 30%. In this example, if you buy an item at $12 with 30% discount, you will pay 12 - 3.6 = 8.4 dollars.

Answer:

The new total will be $8.40.

Step-by-step explanation:

The 30% off discount gives you $3.60 off of your purchase.

please Find -15(-8) (will mark brainliest)

Answers

Answer

23

Step-by-step explanation:

-15 (-8)

=23

hope its helps u

Answer:

120

Step-by-step explanation:

I don't really know what you mean by find, but i multiplied them together.

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