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Neko [114]
3 years ago
13

Sally has 50 pencils. 38% of them have stripes. How many have stripes?

Mathematics
1 answer:
Brums [2.3K]3 years ago
7 0

Answer: 19

Step-by-step explanation:

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How much tip should you leave if you want to tip 25% at PF Chang on a $37.99 bill ??​
Naddik [55]

Answer:

Step-by-step explanation:

37.99 * 25%= 9.497 or $9.50 tip

3 0
3 years ago
Choose the correct subject pronoun for ' como te llama' tu ella ellos ustee
GuDViN [60]

Answer:

ustee

Step-by-step explanation:

The other ones don't make sense if you insert them into that sentence

8 0
3 years ago
Isabella save 2 nickels today, if she doubles the number of Nicole, she saves every day, how many days, including today, will it
Elden [556K]

Answer:

  8 days

Step-by-step explanation:

On day 8, Isabella will save 256 nickels, bringing her total to 510.

_____

The number of nickels saved on day n is 2^n. The total is 2^(n+1)-2.

_____

The above can be written down from your knowledge of binary sequences. If you want a more formal development, read on.

__

The number of nickels saved on day n is a geometric sequence with first term 2 and common ratio 2. The n-th term of the sequence is ...

  an = a1·r^(n-1) = 2·2^(n-1) = 2^n

The sum of n terms of the sequence is ...

  S = a1(r^n -1)/(r -1) = 2(2^n -1)/(2-1)

  S = 2^(n+1) -2

__

We want S > 500, so ...

  500 < 2^(n+1) -2

  502 < 2^(n+1)

  251 < 2^n

  log(251) < n·log(2)

  n > log(251)/log(2)

  n > 7.97 . . . . . . . . 8 days or more to save more than 500 nickels

3 0
4 years ago
Simplify -2.3f+0.9f-14-4
Setler [38]

Answer:

The Answer would be 1.4f-18

Step-by-step explanation:

-2.3f+0.9f-14-4

then you do

-1.4f-14-4

Then u would get 1.4f-18.

7 0
3 years ago
Read 2 more answers
Triangle F, G, H is similar to triangle A, B, C. Solve for x.
pychu [463]
It is x x- osia math and 87 and please and it is mathamatics
7 0
2 years ago
Read 2 more answers
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