Answer:
55
Step-by-step explanation:
first set up you problem it would look like this 2*11+3*11
now use PEMDAS
so starting with multiplication 2*11 is 22 and 3*11 is 33
now use addition and 22+33 is 55
Answer:
In a school ratio of the number between male and female teachers is 5 : 9, If the number of female teachers is 81, what the number of male teachers.?
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1 Answer

Souvik Saha
, Business Analyst at BRIDGEi2i Analytics Solutions (2020-present)
Answered March 23, 2021
Let the total number of teachers be x
Given:
The ratio of the number between male and female teachers is 5:9
Then the number of female teachers is 81
So 9/14*x=81
or, x=81/9*14
or, x=9*14
Therefore x=126
So the total number of teachers is 126.
Hence the number of male teachers =
5/14*126
=5*9
=45
Hence, the number of male teachers is 45.
Answer:
Step-by-step explanation:
<u>The area between the concentric circles:</u>
<u>If we tale π ≈ 3, we know R = 5 cm, we see r = R - 2 = 5 - 2 = 3 cm, then</u>
- A = 3(5² - 3²) = 3(16) = 48 cm²
Correct choice is B
Answer:
y = 0.75x - 1.75
Step-by-step explanation:
To find the slope we do (Y1 - Y2)/(X1-X2) aka rise over run
So, m = (-1 - 2) / (1 - 5)
m = 0.75
Now we have y = 0.75x +b
We can plug in x and y values to find b
2 = 0.75(5) +b
b = -1.75
Therefore,
y = 0.75x - 1.75