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drek231 [11]
2 years ago
7

An eperiment conducted found that is the last 25 days a blue pen 5 times. There are 6 blue pens and 14 black pens. What is the e

xperimental probability of selecting a blue pen?
Mathematics
1 answer:
Bad White [126]2 years ago
3 0
6 out of 14 i think try it
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If the first chapter of a certain book is 28 pages long and makes up 4% of the book, how many pages does the entire book have?
Schach [20]

Answer:

700 pages

Step-by-step explanation:

I first found out how many pages were in 1% so I divided 28 by 4.  

I got 7 so I multiplied it by 100 and 700 was the answer.

Basically:

28÷4 = 7

7 x 100 = 700

I hope that kinda made sense!

8 0
3 years ago
What is 56.57 rounded to the nearest whole number
const2013 [10]
Your answer would be 57
3 0
2 years ago
Plz help me solve it the question is below
AlladinOne [14]

Answer:

\frac{1024}{2025}

Step-by-step explanation:

\frac{3}{4}^{-4}  = \frac{1}{\frac{3}{4}^{4}  }

(3/4)^4 = 81/256

1 ÷  81/256 = 256/81

So;

\frac{256}{81} * \frac{4}{9} = \frac{1024}{729}

\frac{1024}{729} / n = \frac{1}{9/25}

\frac{1024}{729n} = \frac{25}{9} \\\\n = \frac{1024 *9 }{25 * 729}  = \frac{1024}{2025}

6 0
3 years ago
PLEASE HELP!!! ILL GIVE THE BRIANLIEST TO TO WHOEVER ANSWERS CORRECTLY!!!!!!!
Mariulka [41]

Answer:

B

Step-by-step explanation:

The range is the largest number minus the smallest number.

Hope this helps!

6 0
2 years ago
Use x=3 to identify the value of each expression.
Galina-37 [17]

Exponents if those are the answer it bc the second number is an exponent

3^3= 27

4^3=64

3^4=81

3 0
3 years ago
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