9 metal balls with radius of 3 cm are melted down to form 2 larger metal balls. Calculate the radius, in cm, of the new metal ball

answer: i guess 5 units?

step-by-step explanation:

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

answer: its c because when it has a magnet next to it it will move away from the mixture. hope this

step-by-step explanation: