Answer: She had 20 gallons to begin with.
Step-by-step explanation:
16 = 6 + 1/2x
x = the amount she had to start with
Subtract 6 from each side
10 = 1/2x
Divide each side by 1/2
20 = x
9514 1404 393
Answer:
1 marble
Step-by-step explanation:
The volume of steel is ...
V = LWH
V = (30 cm)(20 cm)(10 cm) = 6000 cm³
The volume of a marble is ...
V = (4/3)πr³ = (4/3)π(11.273 cm)³ = 6000 cm³
The block of steel will make 1 marble.
Answer:
Step-by-step explanation:
Multiply both sides by 7
7x + 9 = 105
7x = 96
x = 96/7= 13 5/7
What’s the last question? please attach a photo
)
