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TiliK225 [7]
2 years ago
14

20 is 80 percent of what number?

Mathematics
2 answers:
ziro4ka [17]2 years ago
8 0

Answer: 100

Step-by-step explanation:

kotykmax [81]2 years ago
5 0

Answer:

The answer is 25.

Step-by-step explanation:

To find the answer of this problem, we multiply the number by the percentage. We represent 80% as 0.8 in decimal form

0.8 x 20 = 25

80 percent of 25 is 20.

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Bertie Bee's Carpet Cleaners charge $1.22 per square foot to clean carpets. Millie Mott's Carpet Cleaners charge $9.50 per squar
Crank

Answer:

Bertie Bee's Carpet Cleaners

6 0
2 years ago
Lannister checks out 6 set of books from the library each set has the same number of books she reads 7 of the books and she has
fgiga [73]

Answer:

3

Step-by-step explanation:

Lannister checks out 6 sets of book

Each set had the same number of books

She reads 7 books and has 11 more to go

Therefore the number of books in each set can be calculated as follows

= 11+7

= 18

18/6

= 3

Hence there are 3 books in each set

6 0
3 years ago
Please help!!<br>show work!!<br>please!!
Advocard [28]
\frac{1}{1} *  \frac{1}{3} would work. 
4 0
3 years ago
Complete the square on the following quadratic x2+10x+9=0
kakasveta [241]
Given a quadratic equation x^{2} +ax+c=0

1. the first thing we do when we want to compete the square, is write the coefficient of x as 2 times a number.

In our case the coefficient of x is 10, so we write 10 as 2*5

2. then we write + 5^{2} and - 5^{2} to the expression:

x^{2} +2*5*x+ 5^{2} -5^{2}+9=0

(x^{2} +2*5*x+ 5^{2}) -25+9=0

(x+5)^{2}-16=0



Answer: (x+5)^{2}-16=0
8 0
3 years ago
2x+2y=8 in function form step by step please?
nasty-shy [4]
You could get two different functions out of this:

<u>2x + 2y = 8</u>

1). <u> 'y' as a function of 'x'</u>

Subtract  2x  from each side:  2y  = -2x + 8

Divide each side by  2 :         <em> y  =  -x + 4</em>


2). <u> 'x' as a function of 'y' :</u>

Subtract  2y  from each side:    2x  =  -2y + 8

Divide each side by  2 :        <em>  x  =  -y + 4</em>

Those two functions look the same, but that's just because the original
equation given in the problem was so symmetrical.  In general, they're
not the same function.


7 0
2 years ago
Read 2 more answers
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