This is simple math, you know 60 minutes in 1 hour, so do 60 x 41 = 2,460
So it spins 2,460 times per hour.
Hope this helps!
Answer:
196
Step-by-step explanation:
The discriminant (Δ) is given by:

Where the polynomial is in the form:

In this problem, a = 1, b = 0, and c = -49. Thus, plugging it into the formula:

Thus, the discriminant of x² – 49 = 0 is 196.
It’s the 4th option
<—> this sign thingie represents the interchanging sign like x=y y=x
Answer:
144
Step-by-step explanation:
i think if i am wrong dont judge
Answer:
1/5 is left.
Step-by-step explanation:
Portion remaining after the bar was eaten by his brother = 1 - 1/5 = 4/5.
Portion remaining after John ate 3/4 of this = 4/5 - 3/4* 4/5 = 4/5 - 3/5
= 1/5.