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3 years ago

Ignacio divides a sub into 3 equal pieces for his friends. What fraction of the sub does each friend receive?

Mathematics

2 answers:

inysia [295]3 years ago

7 0

If it’s for him and his friends 1/4 if only for his friends 1/3

lesya692 [45]3 years ago

3 0

Answer:If it’s for him and his friends 1/4 if only for his friends 1\3

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An English teacher needs to pick 1111 books to put on his reading list for the next school year. He has narrowed down his choice

forsale [732]

Answer:

There are 3,659,040 ways he can choose the books to put on the list.

Step-by-step explanation:

There are

12 novels

8 plays

12 nonfiction.

He wants to include

5 novels

4 plays

2 nonfiction

The order in which the novels, plays and nonfictions are chosen is not important. So we use the combinations formula to solve this problem.

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

How many ways can he choose the books to put on the list?

Novels:

5 from a set of 12. So

$C_{12,5} = \frac{12!}{5!7!} = 792$

Plays:

4 from a set of 8. So

$C_{8,4} = \frac{8!}{4!4!} = 70$

Nonfiction:

2 from a set of 12

$C_{12,2} = \frac{12!}{2!10!} = 66$

Total:

Multiplication of novels, plays and nonfiction.

$T = 792*70*66 = 3,659,040$

There are 3,659,040 ways he can choose the books to put on the list.

4 0

3 years ago

A concession stand sold pizza slices, ice cream cones, and tacos at a basketball game. Pizza slices were sold for $2.75, ice cre

slega [8]

The answer would be 13

8 0

3 years ago

8x + 2x - 5 = -35 <br><br> Can someone help me with this answer and how to show my work?

SashulF [63]

The answer is X= -3 and the work is 8x+2x-5= -35 so the -5 turns to a positive 5 and cancels itself it out so -35 becomes -30 then you add 8x and 2x then you get get 10x then you divide -30 by 10 and you get -3

7 0

3 years ago

Solve for x.

crimeas [40]

Answer:

x = 11/10

Step-by-step explanation:

5(2x - 1) = 6

Distribute

10x -5 = 6

Add 5 to each side

10x-5+5 = 6+5

10x = 11

Divide each side by 10

10x/10 = 11/10

x = 11/10

7 0

3 years ago

Two students are reading a novel. Ashley reads 2 pages per day. Carly reads 1 page per day, but she starts early and is already

Anestetic [448]

They would on day 4 that they would be on the same page

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3 years ago