Answer:
21
Step-by-step explanation:
3 x 7 is 21
What line? did you mean to add a picture?
There are 60 seconds in a minute. there are 40,000 in a second. That means we have to multiply that by 60.
60*40,000= 2,400,000
The answer is 2,400,000 gallons per minute.
7/8 gallon of water/ (1/2 hr)= 1.75 gallons of water/ hr.
The swimming pool is leaking 1.75 gallons of water/ hr.
Hope this helps~
Answer:
a4 = 128
a5 = -512
Step-by-step explanation:
a1= -2
q= (-1)^(n+1) × 4
a4 = a1q³ = (-2) (-4)³ = -2 × -64 = +128
a5 = a1q⁴ = (-2) (-4)⁴ = -2 × 256 = -512
