Answer:
The diameter is 5 cm and the circumference is diameter x pi
Step-by-step explanation:
3(n-7)=-30
3n-21= -30
3n = -9
n= -3
<span>y=1/3 x - 2
3y = x - 6
x - 3y = 6 ...this is standard form</span>
Answer:
2.4 hr. = time working together
Step-by-step explanation:
Let x = time working together
x/6 = work done by Martin
x/4 = work done by Victor
Martin's part + Victor's part = 1 jog done
x/6 + x/4 = 1 Multiply thru by 12
2x + 3x = 12
5x = 12
x = 2.4 hr.
The answer is 24 guppies. First find the volume of the tank, then divide that volume by 576 (you should get 8), then you multiply 3 guppies by 8 to get 2e
