Answer:
Step-by-step explanation:
surface area of sphere=a
4pir^2=a
r^2=a/4p
r=root(a/4pi)
if radius is doubled
r1=2root(a/4pi)
r1^2=4(a/4pi)
a/a1=(4pia/4pi)/(4pi 4a/4pi)=1/4
so a is increased by 4 times
Answer:
1. (0,0) (3,1) (6,2)
2. proportinal
3. im so sorry but i cant see that one i really am sorry!
Step-by-step explanation:
i hope i helped brainliest?
Answer:
It will take santana 630 minutes or 10.5 hours to complete the 21 miles.
Step-by-step explanation:
<h3>
y is what you are trying to find multiple her miles by the number of minutes and then divided by how many miles in 60 min. </h3><h3 /><h3 /><h3> </h3>
Answer:
Step-by-step explanation:
What is "the lm f."?
do you mean y = 2x+1?
Answer:
$2.25
Step-by-step explanation:
32/(14 2/9) =
32/(128/9) =
2.25 =
$2.25 sollars/km
