Answer:
see explanation
Step-by-step explanation:
Given that y varies inversely as x then the equation relating them is
y =
← k is the constant of variation
To find k use the condition that x = 9 when y = 15
15 =
( multiply both sides by 9 )
k = 135
y =
← equation of variation
Answer:
Step-by-step explanation:
Given that:



since 
Then, it implies that:




Answer:
45 out of every 100
Step-by-step explanation:
45% of 100 is 45
hope this helps!
10+30=40(total number of students in the class)
take this number and divide by 5
40/5=8 (students)
ANSWER: 8 students signed up for the competition
Hello from MrBillDoesmath!
Answer: "Distributive Property", the second bullet point from the top of the list
Regards, MrB