1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
alexdok [17]
3 years ago
15

I have some questions regarding combinations in finite. Here is my first one I am stumped on:

Mathematics
1 answer:
podryga [215]3 years ago
8 0

We will get the number of possible selections, and then subtract the number less than 25 cents.

We can choose the number of dimes 5 ways 0,1,2,3 or 4.
We can choose the number of nickels 4 ways 0,1,2 or 3.
We can choose the number of quarters 3 ways 0,1, or 2.

That's 5*4*3  = 60 selections 

Now we must subtract from the 60 the number of selections of coins that are less than 25 cents. These will involve only dimes and nickels. 

To get a selection of coin worth less than 25 cents:
If we use no dimes, we can use 0,1,2  on all 3 nickels.
That's 4 selections less than 25 cents. (that includes the choice of No coins at all in the 60, which we must subtract).

If we use exactly 1 dime , we can use 0,1,2, or all 3 nickels.
That's the 3 combinations less than 25 cents.

And there is 1 other selection less than 25 cents, 2 dimes and no nickels. 

So that's 4+3+1 = 8 selections which we must subtract from the 60.
 
Answer 60-8 = 52 selections of coins worth 25 cents or more.

You might be interested in
Help plsssssssss <\3
kvv77 [185]

Answer:

7

Step-by-step explanation:

\frac{5}{5}  + 6 = 1 + 6

To solve this you just have to replace the letters with the corresponding numbers. 5/5 = 1 and 1+6 = 7

So your answer is 7!

7 0
2 years ago
I need help fast. please help me​
galina1969 [7]

<em>ANSWER :</em>

<u><em></em></u>

<em>I THINK ITS B </em>

<u><em></em></u>

EXPLANATION :

<u><em>ANSWERED BY THE BEST !!!!</em></u>

<u><em></em></u>

<em>        </em><u><em>ANGIEEEEEE <3 </em></u>

<u><em></em></u>

<em>HOPE YOU DO WELL ON YOUR ASSIGNMENT !!!!!  <3</em>

7 0
3 years ago
Read 2 more answers
Please answer please please
elena-14-01-66 [18.8K]

Answer:

6=2r please mark brainliest

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
NEED HELP!!!<br> it'll be helpful if someone could help out with these questions.
gayaneshka [121]

Answer:

the pictures are blury sorry but i would help

Step-by-step explanation:

6 0
3 years ago
I need help pls pls pls pt.2
Eva8 [605]

Answer:

where is the Worksheet

Step-by-step explanation:

there is no Worksheet

3 0
2 years ago
Other questions:
  • if your car gets 34 miles per gallon of gas and you have traveled 153 miles, how many gallons of gas have you used?
    12·2 answers
  • Sherita’s club is selling grapefruit to raise money. For every box they sell, they get $1.35 profit. They have sold 84 boxes alr
    9·2 answers
  • Alex and Peter win some money and share it in the ratio 6:1. Alex gets £50 more than Peter. How much did they get altogether?
    14·2 answers
  • Help meh I will give brainiest!! Answer as much as you know.
    10·1 answer
  • 11-x+3y=8 solve for y
    15·2 answers
  • Order the following temperatures from coldest to hottest <br> 42,-10,20.67,-14
    15·1 answer
  • Please help me answer the following question.
    6·1 answer
  • 10 = 7 - m*<br> It says solve &amp; check solution. Can someone help asap
    13·1 answer
  • Can anyone help with this quiz???
    9·2 answers
  • Questions of 8. Step 1 of 1 5/8 Correct Incor In November, Mr. Carlisle opened a checking account and made deposits of $612. $75
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!