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andrezito [222]
3 years ago
8

Eleven is 20% of ____

Mathematics
2 answers:
FrozenT [24]3 years ago
7 0

Hey!


11 = 20% of <u>55</u>


You can make a proportion


20% = 20/100


\frac{20}{100} = \frac{11}{y}


Cross multiply


100 \times 11 = 1,100


Divide by 20


1,100 \div 20 = 55


\framebox{Answer = 55}


ollegr [7]3 years ago
5 0

Convert to a decimal which would be 0.55 (11/20).


Then you want to multiply 0.55 by 100 (which is a whole number, all % is going to come from 100) to convert to a full % -> 0.55*100


Then you will simplify 0.55*100


You answer will be 55%.

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The perimeter (circumference) = 28 * PI.
This means the diameter = 28.
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4 0
3 years ago
Last year the backgammon club had 30 members this year the club has 24 members find the percent of decrease of members
olchik [2.2K]

Answer:

Percent Decrease = 20% Decrease

Step-by-step explanation:

To find percentage decrease, we will use a simple formula shown below:

Percentage Decrease/Increase = \frac{New-Old}{Old}*100

Where

New is the latest number of members (which is 24)

Old is the initial number of members (which is 30)

<em>Note: the multiplication by a factor of "100" brings the answer to a percentage</em>.

Now, lets substitute the numbers and figure out the percentage decrease:

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So, it comes to -20, which is a decrease of 20%

7 0
3 years ago
Brock exercises every day. The function E = 15m + 5 represents the number of sit-ups he can do in m minutes. After drinking a ne
adoni [48]

Answer:

S=45m+15

Step-by-step explanation:

we have

E------>the number of sit-ups

m---->  the time in minutes

S----> the number of sit-ups after drinking the sports drink

E=15m+5 ----> equation A

S=3E ----> equation B

substitute the equation A in the equation B

S=3(15m+5)

S=45m+15

7 0
2 years ago
The sum of two numbers is 12 and their difference is 4. What are the two<br> numbers?
guapka [62]

Answer:

<u>8 and 4</u>

Step-by-step explanation:

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4 0
3 years ago
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The area is 30 m!


A= 30m
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