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Alik [6]
3 years ago
15

Bella is planning to write in a journal. Some pages will have one journal entry on them, and other pages will have two journal e

ntries on them. If Bella
wants to make 10 entries, how many different ways can she write them in her journal?

I've already seen an answer someone did by diagramming each of the actual coins, but is there an equation I can use, not just for this problem, but also other problems of this type? Thanks!
Mathematics
2 answers:
Makovka662 [10]3 years ago
7 0
<span>1 page with 10. 2 pages with five entries each. 5 pages with 2 each.  There are many more way such as 3 pages 2 with three entries and one with 1 entry.  4 pages with 2 entries and 1 with 4 </span>
lawyer [7]3 years ago
4 0

Answer:

Bella can write her journal in 6 different ways.

Step-by-step explanation:

Bella will make 10 journal entries, the possibilities are:

  1. 5 pages: 5 pages with 2 journal entries per page
  2. 6 pages: 4 pages with 2 journal entries per page and 2 pages with 1 journal entry each
  3. 7 pages: 3 pages with 2 journal entries per page and 4 pages with 1 journal entry each
  4. 8 pages: 2 pages with 2 journal entries per page and 6 pages with 1 journal entry each
  5. 9 pages: 1 page with 2 journal entries and 8 pages with 1 journal entry each
  6. 10 pages: 10 pages with one journal entry per page
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John invests a sum of money in a
nexus9112 [7]

Answer: 0.000007638035

Step-by-step explanation:

We can use the formula for compound interest to solve this.

Now, the formula goes thus:

A = P ( 1 + r/n)^nt

Where A is the amount compounded, P is the initial amount I.e the principal, r is the rate in % , t is the time while n is the number of times the interest is compounded per time I.e how many times per year.

From the question, we get the following parameters, A = $1912.41 , P = ? , t = 15 years, r = 2.63% and n = 1 of course.

Now, we substitute these into the formula

1912.41 = P ( 1 + 2.63) ^ 15

1912.41 = P ( 3.63) ^ 15

1912.41 = P ( 250,379,850)

P = 1912.41 ÷ 250,379,850

P = 0.000007638035

Looks pretty funny an answer right?

6 0
2 years ago
Please please help :(
Vinvika [58]
-6 7/8 /(-3 3/4)
55/8X4/15
11/6
1 5/6
6 0
3 years ago
describe the relationship between n and 4 that will make the value of the expression 7× n/4 greater than 7
Norma-Jean [14]
So set up an equation!

7* n/4 > 7

So trying to get the variable alone...

n/4 > (7/7) aka 1
n> 1*4
n> 4

Try it out!

7* 6/4 = 42/4 = 21/2= 10 and 1/2

It is greater than 7
7 0
3 years ago
One inch is equal to 2.54 centimeters how many centimeters are there no 12 inches
pishuonlain [190]
30.48 centimeters in 12 inches
6 0
3 years ago
Read 2 more answers
F(x)=2x+6 what is the value of f(7)
Deffense [45]
F(7)= (2x7) + 6
f(7)= 14+ 6
f(7)= 20
hope this helps x
if it does i would love brainliest! :)
8 0
3 years ago
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