There are 45 children in a class. if 9 of them are absent, what percentage of the class is present?

Answers

Answer 1
Answer: 9/45 = 1/5 = 0.2 = 20%

The answer is 20%

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Combine like terms: 3t + 5 (3 + t) - 2t - 4

Answers

3t + 15 + 5t - 2t - 4
6t + 15 - 4
6t + 11


first you will distribute the 5 to(3+t)

So it will be     3t+15+5t-2t-4

then you will add 3t and 5t and -2t together

So you get      6t+15-4

Lastly you will do 15-4

 So you get     6t+11

That's the answer     6t+11

270 is 75% of what number?

Answers

First, you have to divide 270 by 3, so you get 25%. This comes out to be 90. So, 90 is 25%. Now, multiply this by four to get 100%. This comes out to be 360. So, 270 is 75% of 360, which answers the question '270 is 75% of what number?'

PLEASE HELP ME. I NEED TO ANSWER THIS ASAP. I WILL LOVE YOU FOREVER OMG. Okay so the question is - Keith is racing this little sister Pattie and has given her a 15 foot head start. She runs 5 ft/sec and he is chasing at 8ft/sec. For how long can Pattie stay ahead of Keith?

Answers

Keith runs (8 - 5) = 3 ft per sec faster than Pattie, so every second he gets 3 ft closer to her. If they do that for (15/3) = 5 seconds, he'll catch up to her.

The number 18.345 has five significant figures

Answers

.12 has 2 sig figures

How many hours between 8:15 to 12:45 ?

Answers

4.5
an hour to 9:15
one to 10
one to 11
one to 12
and .5 to 1215 to 1245
Subtract:

12h   45' -
08h   15'
-----------
04h   30'

You have $44 to spend at the music store. Each cassette tape costs $10 and each CD costs $12. Write a linear inequality that represents this situation. Let x represent the number of tapes and y the number of CDs

Answers

10x + 12y <44 is the answer

Answer:

12x + 10y ≤ 44

Step-by-step explanation:

They missed the dash but here u go guys!Good luck!