Answer:
proportion=a statement that says two ratios are equal
constant of proportionality= the constant value relating two proportional quantities
cross multiplication= a statement that sets the cross products of a proportion equal to each other
proportional relationship= the relationship between two quantities that have a constant ratio
Answer:
If the pool is 2/3 filled and then the inlet pipe and drain pipe are opened, it will take 140 hours to fill the pool
Step-by-step explanation:
An inlet pipe can fill the pool in hours = 20
Inlet pipe 1 hour work = 
A drain pipe can empty the pool in 21 hours
Drain pipe 1 hour work =
Inlet pipe and drain pipe 1 hour together work = 
Now we are given that the pool is 2/3 filled
So, remaining portion to be filled =
So, Inlet pipe and drain pipe fill 
in hours = 1
So, they can fill 1/3 in hours = 
Hence If the pool is 2/3 filled and then the inlet pipe and drain pipe are opened, it will take 140 hours to fill the pool
Answer:
I Think the answer should be (B)
Let me know if its correct.
Step-by-step explanation:
when you average it you only use the final number of the scores for example 94 the last number is 4.
4+6+0+4÷100
= 10.04
Place a dot on the 0 spot and draw an arrow facing to the right. The dot must not be filled in. This shows that x>0 because the arrow and dot show the numbers that x can be.
Answer:
a 87
b 814
Step-by-step explanation:
It you like my answer than please mark me brainliest thanks
