My answer needs to be at least 30 characters long and I need to answer to ask another question
Answer: 25% of 40 or 0.25 of 40 is 10.
Step-by-step explanation:
Basically you have to divide 40 by 10 because 1/4 of 100 is 25. 25 is 1/4 of 100.
So knowing this 40/0.25 is equal to 10. This is why 0.25 of 40 is 10.
If I read your post properly, the two fractions are -14/10 and -12/b.
The LCD is found by finding prime factors of each term, then collecting the ones that appear the most.
10 = 2 x 5
b = b
2 x 5 x b = 10b
Answer:
Brad average typing rate in words per minute is 21
1260 divided by 60 = 21
(In case you meant 30 minutes)
1260 divided by 30 = 42
Step-by-step explanation:
In a typing class, the average number N of words per minute typed after t weeks of lessons is
N=157/(1+5.4e^-0.12t)
N=157/(1+5.4e
−
0.12t)
. Find the time necessary to type 75 words per minute
Answer:
x = 0
Step-by-step explanation:
Combine terms
7 = 5x + 7
Subtract 7 from both sides.
0 = 5x
x = 0