Answer:
9 hours at 9 dollars an hour is 81 dollars so therefore he needs to work 9 weeks in order to raise the money.
Step-by-step explanation:
Hello
the line passes by A ( 0 ; -2) and B (5 ; 0) equation : y = ax+b
a is a slop : a = (yb - ya)/(xb -xa)
a = (0+2)/(5-0)
a =2/5
y = (2/5)x+b
if x=5 and y= 0
0 = (2/5)(5)+b
b= - 2
the equation is : y = (2/5)x-2
(x,y)—>(-y,x)
A’(1,0) B’(-3,0) C’(2,3)
Hope this helped :)
Answer:
28.8 km/h
Step-by-step explanation:
I used the calculator, but I don't know any formulas for changing m/s km/h.
But I hope this helps!
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.
