Answer:
y = (x - 7) + 4
Step-by-step explanation:
4 more = + 4
difference = (-)
y = (x - 7) + 4
If they have 24 hours in a day, and use 1/6 of those 24 hours on news, they use 24*(1/6) or 4 hours on news. Assuming that they use the leftover time for just music and entertainment, we have 20h - 4h, so thats 20h. You were right. Not sure on their reasoning either.
Answer:
The new volume is 375 cubic inches.
Step-by-step explanation:
Volume of a right square prism:
The volume of a right square prism is given by:

In which a is the length of the edge and h is the height.
A right square prism has a volume of 75 cubic inches.
This means that:

The prism is enlarged so its height is increased by a factor of 5
Edge is the same, height is 5 times. So

The new volume is 375 cubic inches.
Answer:
<em>The expression is </em><em>P - 5</em>
Step-by-step explanation:
Rihanna already made a deposit of $5 to buy the necklace (given)
Full price of necklace = P
Let m = how much Rihanna has left to pay
Full price of necklace = amount paid + amount left to pay
= 5 + m
So we equate the two full necklace prices
5 + m = P
m = P - 5
Therefore, the amount Rihanna owes before tax = P - 5