Answer:
Step-by-step explanation:
breaststroke=50
backstroke=60
ratio=breaststroke:backstroke
=50:60=5:6
Answer:
-14.7, -71/5, -14.04
Step-by-step explanation:
When it is a decimal, the lower the number, the more it actually is.
I’m not 100% but from what i know i think it’s (C.)
We'd need to figure out the side of the bigger pentagon, which is going to be messy, but we can do it!
The area of a pentagon equation is messy, and we need to solve for the side given the area, which would be sqrt((4*area)/((5(5+2sqrt(5)))^(1/2)) or sqrt((4*8)/((5(5+2sqrt(5)))^(1/2)) . We get this from the pentagon equation, multiplying both sides by 4 dividing (5(5+2sqrt(5)))^(1/2)) from both sides, then square rooting that to get the side length
Plugging it in, we get 2 and some more, and we multiply that by 2 to get the bigger side length. Plugging that into the area equation, we get a=32 and 32-8=24
Lim x->1 (x^2+8x-2)
substitute x =1
= 1^2 +8(1)-2
= 1 +8 -2
= 7
So the limit = 7