Wait it says ur in high school so u can't be over 30. that isn't possible. So what's the problem here? not good at math.
Hey there! :D
3,942,588
The thousandths is where the 2 is.
If the number behind the 2 is 5 or greater, we round up to 3.
It is, so round up:
3,943,000 <== rounded number
I hope this helps!
~kaikers
Answer:
110
Step-by-step explanation:
z is apparently 10 times x.
10 times 11 is 110.
Write the word problem in algebraic form:
n2 -14 = 5n
Write as a quadratic:
n2 - 5n - 14 = 0
Factor:
(n+2)(n-7) = 0
Solve:
n+2 = 0 => n = -2
n-7 = 0 => n = 7
positive solution is 7. (14 less than 72 = 35 which is also 5 times 7)
Sphere Surface Area = PI * diameter²
Sphere Surface Area = 3.14 * 12*12
Sphere Surface Area =
<span>
<span>
<span>
452.16
</span>
</span>
</span>
square centimeters
