Answer:
she must let out the string when the kite is 700 ft away from her at 20 ft/s
Explanation:
given information:
a = the distance between the girl
b = the length of the string
a = 300
da/dt = 20 ft/s
c =500 ft, dc/dt = ?
Answer:
A
Step-by-step explanation:
-Nx + 6 > 12 (subtract 6 on both sides)
-Nx > 6 (Divide by N on both sides)
-x > 
(divide by negative) (When you divide by a negative you flip the sign)
x < -
Answer:
2 1/4 hours
Step-by-step explanation:
Each night, he read for 3/4 hours = 3*60/4 = 45 minutes.
He read for 3 days.
So in total, he read for:
3*45 = 135 minutes.
135 minutes is 2 hours and 15 minutes. 15 minutes is 1/4 of an hour.
So the correct answer is:
2 1/4 hours
-5(-2)(-3)
multiply -5 and -2 first
-negative sign and -negative sign= +positive sign
-5(-2)=10
(10)(-3)
+positive sign and -negative sign= -negative sign
answer:
-30
Answer:
i don't know. it doesn't depend my major. so hard for me
