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Mariana [72]
3 years ago
8

Fill in the blanks:

Mathematics
1 answer:
NARA [144]3 years ago
3 0
Fill in the blanks:

1.) 85% expressed as a fraction in simplest form is 17/20
Step:
85/100=17/20

2.) 60 out of 300 CDs are classical music CDs. What percent of the CDs are classical music CDs?
20%

Steps:
60/300=1/5
1/5 ×20=20/100=20%

3.) 4/9 expressed as a percent is?
44.4%
Steps:
100% = 9 units
1 unit =100/9
4units=100/9×4=44.4%


4.) 0.72 expressed as a percent is?
72%
Step:
0.72=72/100=72%
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Simplify 24x5 y6 . A) 2x2 y3 6x B) 4x2 y3 6x C) 6x2 y3 4x D) 6x2 y3 2x
Cerrena [4.2K]

Answer : A 2x^2y^3\sqrt{6x}

\sqrt{ 24x^5y^6}

Take square root for each term and simplify it

\sqrt{24} *\sqrt{x^5}  *\sqrt{y^6}

\sqrt{24}=\sqrt{4 * 6}  = 2\sqrt{6}

\sqrt{x^5} = x^2\sqrt{x}

\sqrt{y^6} = y^3

so we will get

2\sqrt{6} *  x^2\sqrt{x} * y^3

2x^2y^3\sqrt{6x}

4 0
3 years ago
Which of the following is the complete list of roots for the polynomial function f (x) = (x2 + 6x + 8) (x2 + 6x + 13)?
Natali5045456 [20]

Answer:

-2, -4, -3 + 2i, -3-2i

Step-by-step explanation:

Equaling the function to zero we have:

(x ^ 2 + 6x + 8) (x ^ 2 + 6x + 13) = 0  

For the first parenthesis we have:

(x ^ 2 + 6x + 8) = 0\\(x + 4) (x + 2) = 0  

Therefore the roots are:

x = - 4\\x = - 2  

For the second parenthesis we have:

(x ^ 2 + 6x + 13) = 0  

By completing squares we have:

x ^ 2 + 6x = -13  

x ^ 2 + 6x + (\frac{6}{2}) ^ 2 = -13 + (\frac{6}{2}) ^ 2\\x ^ 2 + 6x + 9 = -13 + 9\\(x + 3) ^ 2 = - 4\\x + 3 = +/- \sqrt{-4}    

Therefore the roots are:

x = -3 + 2i\\x = -3 - 2i  

Hope this was helpful

6 0
3 years ago
Plz find the iii (3).plz plz plz
kirza4 [7]

Answer:

Rs 937.50

Step-by-step explanation:

Rs 750 for 4 years at 6 1/4% interest:

Simple interest is found using i = p*r*t, where p is the principal, r is the interest rate as a decimal fraction, and t is the number of years.

Here, i = (Rs 750)*0.0625*4 = Rs 187.50

The amount (that is, principal plus simple interest) will be:

Rs 750 + Rs 187.50 = Rs 937.50

8 0
2 years ago
full-time job usually means you will work how many hours per week? A. 20 B. 35 C. 40 D. 55 Please select the best answer from th
kirill115 [55]

Answer:

C. 40 or B. 35

Step-by-step explanation:

Full time jobs are typically jobs that vary from 35-40 hours a week.

Hope this helps :)

8 0
3 years ago
Read 2 more answers
Natalie is an expert archer. The following table shows her scores (points) based on the number of targets she hit.
Alekssandra [29.7K]

Answer:

yes the anwer is A

Step-by-step explanation:

5 0
2 years ago
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