Answer:
78.54 in
Step-by-step explanation:
= v (volume)
r = diameter / 2
h = 12
= 3.14159...
plug in values
* * = 78.54
your answer is 78.54 in
hope this helps:)
Yes because they started with the same amount and they both used 7 minutes
Answer:
n = 185/9
Step-by-step explanation:
(6n-25) + (3n + 20) = 180
Combine like terms
9n -5 = 180
Add 5 to each side
9n - 5 +5 = 180+5
9n = 185
Divide each side by 9
9n/9 = 185/9
n = 185/9
Solving proportions is simply a matter of stating the ratios<span> as fractions, setting the two fractions equal to each other, cross-multiplying, and solving the resulting equation. You'll probably start out by just solving proportions, like this: </span>Find the unknown value<span> in the proportion: 2 : x = 3 : 9</span>
1) 1/4+1/2
We need to convert the fractions.
1/4 is fine.
1 x 2=2
2 x 2=4
1/4+2/4=3/4
2) a+a
a can be written as 1a.
1a+1a=2a
I can't see photos and he doesn't know 3 or 4 and i'm confused on 5.
a=?
Hope it helps?