The library is to be given 7 books as a gift. The books will be selected from a list of 15 titles. If each book selected must have a different title, how many possible selections are there?

Answers

Answer 1
If each book selected must have a different title, THERE ARE 15 POSSIBLE SELECTIONS.

Related Questions

What is 3/4 divided by 1/2

2/3

1
1 1/4

1 1/2

3

Answers

3/4 divided by 1/2 is 1 1/2
The answer is 1 1/2 fhchhdhb

PLEASE HELP!!! URGENT!!!!​

Answers

Answer:

80 degrees

Step-by-step explanatibecause its congruent to a suplementary angle

the size of angle x is 80.

reason:
angle CBD and ABC are a linear pair. this means u have to do 180-100, which is 80. angle ABC becomes 80 and since angle x and angle ABC are corresponding angles, this makes them congruent to each other. which means angle x is 80

I need help for this question pllsssss

Answers

Answer/Step-by-step explanation:

7. ✍️First Equation:

To generate the equation of the gray, which will be in the slope-intercept form, y = mx + b, we need to find the slope of the graph, m, and the y-intercept, b.

Using two points on the line, (2, 4) and (4, 0),

[tex] slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{0 - 4}{4 - 2} = \frac{-4}{2} = -2 [/tex]

Substitute x = 2, y = 4 and m = -2 into y = mx + b, to find the value of b.

thus:

4 = (-2)(2) + b

4 = -4 + b

Add 4 to both sides

4 + 4 = b

b = 8

Substitute m = -2 and b = 8 into y = mx + b.

The first equation would be:

✅ y = -2x + 8

✍️Second Equation:

Using two points on the line, (1, 6) and (5, -2),

[tex] slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{-2 - 6}{5 - 1} = \frac{-6}{4} = -\frac{3}{2} [/tex]

Substitute x = 1, y = 6 and m = -³/2 into y = mx + b, to find the value of b.

thus:

6 = (-³/2)(1) + b

6 = -³/2 + b

Add ³/2 to both sides

6 + ³/2 = b

(12 + 3)/2 = b

15/2 = b

Substitute m = -³/2 and b = 15/2 into y = mx + b.

The second equation would be:

✅ [tex] y = -\frac{3}{2}x + \frac{15}{2} [/tex]

Solve for p.
P=?
12 = p
11 12

Answers

Answer:

p = 144/11

Step-by-step explanation:

12/11 = p/12

~Simplify

12/11 = 1/12p

~Multiply 12 to both sides

144/11 = p

Best of Luck!

If A4BC - AAVW, find the values of x and y.

Answers

Look it up on the internet x and y

Find the most general antiderivative of the function. (Check your answer by differentiation. Use C for the constant of the antiderivative.) f(x) = (x + 3)(2x − 2)

Answers

Answer:

2x³/3 +2x²-6x+C

Step-by-step explanation:

Given the function

f(x) = (x + 3)(2x − 2)

Expand first

f(x) = 2x²-2x+6x-6

f(x) = 2x²+4x-6

Integrate the resulting function

Integrate (2x²+4x-6) =2x³/3 + 4x²/2 - 6x + C

= 2x³/3 +2x²-6x+C

For us to check the correctness, we need to differentiate the answer and we must arrive back at the question

On differentiating 2x³/3 +2x²-6x

3(2/3)x² + 2(2)x¹ -6

= 6/3x²+4x-6

= 2x²+4x-6

This shows the answer is correct.

The correct anti derivative of the function is 2x³/3 +2x²-6x+C

Need help!!!
On this it’s all math work!

Answers

Answer: 7-8      

Step-by-step explanation:

7-8  A squared + B squared =c Square

        9x9     8x8                                       10x10     12x12        

         81        64                                         100        144

               145                                                    244

Quinn invested $8,500 in a savings account. If the interest rate is 2.98%, how much will be in the account in 12 years by compounding continuously? Round to the nearest cent.

Answers

Answer:

$12,154.10.

Step-by-step explanation:

Identify the values of each variable in the formula. Remember to express the percent as a decimal.

APrt=?=$8,500=0.0298=12 years

For compounding continuously, use the formula A=Pert.

Substitute the values into the formula and compute the amount to find

AA=8,500e0.0298⋅12=$12,154.10.

The breakdown of the sample of a chemical compound is represented by the function p(t)=300(0.5)^t where p(t) represents the number of milligrams of the substance and t represents the time in years. IN the function p(t) explain what 0.5 and 300 represents.
Please help.

Answers

Answer:

0.5 and 300 represent the number of milligrams of the substance

Step-by-step explanation:

7th grade math help me pleasee

Answers

Answer:

Step-by-step explanation:

a. (-6/2)*(1/3)*(36/2)=-18; b. (125/100)*(-2/2)

A middle school took all of its 6th grade students on a field trip to see a symphony at a theater that has 4980 seats. The students filled 3237 of the seats in the theater. What percentage of the seats in the theater were filled by the 6th graders on the trip?

Answers

Answer: 65%

Step-by-step explanation: *using the butterfly* x over 100 equals 3237 over 4980. multiple to get 4980x=323700. divide to get x by itself. x=65

Answer:

53.85%

Step-by-step explanation:

The percentage increase from 3237 to 4980 is 53.85%.

Nidhi is facing the garden. She makes a 3/4 turn anticlockwise. She is facing _________ now

Answers

Answer:

to the right side of where she was facing

Step-by-step explanation:

how do i use what i know about adding integer to add rational numbers

Answers

Answer:

Rational number are any number that can be made into a fraction and since integers are a type of rational number you can use that to solve your math problem.

Step-by-step explanation:

(This might not be a good explanation but I hope you understand what I am trying to say here)

Hope this helps :)

The solution to the inequality X/4 > 2 is
X=8
X<2
X>8
Xx2

Answers

Answer:

X=8 is the answer it means 4x2 =8

Answer:

it's C. number.

Step-by-step explanation:

hope it will help u

Find equation of the line that passes through the point (5,-1) and is perpendicular to the line y=1/4x-2

Answers

Answer:

slope of perpendicular line = -4

passing through (5,-1)

thus,

y+1 = -4 ( x-5 )

or y = -4x + 19

If the base angles of an isosceles triangle each measure 37 degrees, then the
vertex angle measures 106 degrees. *

True
False



pls help

Answers

Answer:

The statement is true.

Step-by-step explanation:

The statement is true.

Reason:

The sum of all angles of triangle is equal to 180°

If base angles are 37° and vertex angle is 106° there sum must be equal to 180°

Checking: 37+37+106 = 180°

So, the statement If the base angles of an isosceles triangle each measure 37 degrees, then the  vertex angle measures 106 degrees is true.

Answer:

TRUE

wrekgl;3f

There are many properties of exponents. These properties are used to make problems with exponents simpler. 1] Choose one of the properties and explain why it isbtrue. Then write a numerical expression and use the property you chose to simplify the expression.​

Answers

a^m × a^n = a^(m+n)

means that when you take a number, a, multiplied by itself m times, and multiply that by the same number a multiplied by itself n times, it's the same as taking that number a and raising it to a power equal to the sum of m and n.

To prove this, we can verify it numerically:

Let us take,

a = 10

m = 2

n = 5

Now,

10² × 10⁵ = 10²+⁵

100 × 100000 = 10⁷

10000000 = 10000000

Another example,

Let us take,

a = 2

m = 0

n = 3

Now,

2⁰ × 2³ = 2⁰+³

1 × 8 = 2³

8 = 8

What is one element a topographic map shows?

Air flow
Climate
People
Relief help me pls

Answers

Answer:

air flow?

Step-by-step explanation:

Step-by-step explanation:

Topographic Mapping Elements for Digital Map Products

contour lines.

contour related text.

spot elevations.

spot elevation related text.

according to this i think b) climate is the answer

Hey, we are doing a review but I forgot how to set up proportions. Please help me!!​

Answers

It can be written in two ways: as two equal fractions a/b = c/d; or using a colon, a:b = c:d. The following proportion is read as "twenty is to twenty-five as four is to five." In problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion.

20/25 = 4/5

20 x 5 = 25 x 4

100 = 100

Based on the family the graph below belongs to, which equation could represent the graph?

Answers

Answer:

Could you show the graph?

Step-by-step explanation:

Answer:

Where is the graph, Sir,

Please make clear,

A training field is formed by joining a rectangle and two semicircles, as shown below.


The rectangle is long and wide.
Find the area of the training field. Use the value for , and do not round your answer. Be sure to include the correct unit in your answer.

Answers

Answer:

A training field is formed by joining a rectangle and two semicircles, as shown below. The rectangle is

95m long and

74m wide.

Find the area of the training field. Use the value 3.14 for Pie

for

, and do not round your answer.

Step-by-step explanation:

hope it helps

If P = {1, 3, 6, 7, 9} and Q = {1, 2, 4, 5, 6, 7, 8}, find P ∪ Q.

Answers

d
d
d
d
d
d

d
d
d
d that is the answer
ok
ok
that’s all ok
a
a

a
as
a


a
a
a
a
a
a
a

47,52,57,62
what's next?​

Answers

Answer:

67,72,77, etc.

Step-by-step explanation:

You just add 5 each time to your number.

Answer:

67,72,77,82,87,92,97,102,107

Step-by-step explanation:

you add 5 each number

Natalie wants to buy 5 feet of ribbon for her scrap book supplies. The store only sells the ribbon in inches. How much ribbon does Natalie need in inches?

Answers

Answer:

She would need 60 inches or ribbon.

Step-by-step explanation:

there are 12 inches in a foot, if she needs 5 feet then you would multiply 12 and 5

12*5 = 60

Well, we know that there is 12 inches in every foot, so if you have 5 feet, you would just have to multiply 12 x 5.

The answer is 60 inches of ribbon.

Al is employed on an assembly line. He receives 35 cents for each part that he works on. If he works on more than 150 parts, his employer will pay him 40 cents for each part over 150. Yesterday, Al worked on 1,000 parts. How much did he earn?

Answers

Answer:

392.50

Step-by-step explanation:

1,000-150=850

850 x .40 = 340

150 x .35 = 52.5

340 + 52.5 = 392.50

Answer:

$268

Step-by-step explanation:

I got 100% on the quiz

Heeeeelllpppp
-6xy^5 - 15x^4 + 9x

Answers

Answer:

-3x(2y^5+5x^3-3)

Step-by-step explanation:

-6xy^5 - 15x^4 + 9x

-6xy^5-15xx^3+9x

2*3xy^5+5+3xx^3z+3*3x

Factor:

-3x(2y^5+5x^3-3)

A magazine subscription costs $29.88 for 12 issues or $15.24 for 6 issues. Which subscription costs more per issue? How much more? *

Answers

Answer:

The magazine that cost $15.24 for 6 issues cost more by $0.60/60 cents.

Step-by-step explanation:

Since $15.24 is 6 issues each and you need to even out the issues add $15.24+$15.24 then you would get $30.48, because its 15.24 each 6 add them both and it would be 12 issues. And the first issue $29.88 for 12 issues is  only $29.88 while the other is $30.48 so the one with 6 issues/the second cost more than the first.

60 cents more because 29.88+60=30.48.

olve each problem.
1) A pizza chain uses 651 grams of cheese on their pizzas. If they sold 905 pizzas, how many
grams would they have used?

Answers

Answer:

221

Step-by-step explanation:i did this before and got 100% so trust me

Answer:

651 x 905 = 589155 Grams of cheese

Step-by-step explanation:

Solve the inequality for n to find out how many necklaces she needs to sale to make a profit 12n>135+4.50n

Answers

Answer:

n>18

I looked it up on tiger math and I i got the answer right HOPE THIS HELPS!!!!

Jane made $288 for 18 hours of work. At the same rate, how much would she make for 11 hours of work?

Answers

Answer:

176$

Step-by-step explanation:

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