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Gala2k [10]
3 years ago
6

I need help finding the surface area for 11

Mathematics
1 answer:
Hitman42 [59]3 years ago
8 0
Look at the picture I posted

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John called a plumber to fix a leak in his bathroom. The
Dimas [21]

Answer:

3 hours

Step-by-step explanation:

$105 - $30 = $75

$75 ÷ $25 = 3 hours

7 0
3 years ago
Suppose a bag contains 4 white chips and 6 black chips. What is the probability of randomly choosing a white chip, not replacing
Marysya12 [62]
There are 10 chips altogether. 4 of them are white.
4/10 is the chance of lifting out a white chip
There are 3 of them left and 9 chips altogehter.
4/10 * 3/9
12/90
4/30
2/15

Comment
(my edit) it is not that 2/15 is wrong (although it is not entirely right).
1/3 is the correct answer if you assume that what happened during the first draw has nothing to do with what will happen on the second. It is like saying if you throw 11 heads in a row with a fair coin, what are the chances of throwing a heads on the 12th throw? The answer is 1/2. That is the same kind of question you have asked.

The two of us who have responded have really responded to what are the chances of drawing 2 white chips. The question really does not restrict us in a way that prevents us from saying that. I'll stick with
B <<<< answer
but I think it would be nice if the writer of the question made it clear that 1/3 should be the proper answer. I am glad you came back and posted the right answer. It makes me think. 

The semi right answer is B <<<<---- 

If my reasoning bothers anybody, I'll reedit again. I'm only leaving it because sometimes a mistake is more instructive than a given answer.
5 0
3 years ago
Read 2 more answers
XHelp I need help on this math question I think its easy for others.
bixtya [17]

11. D Square pyramid

12. A Cube

7 0
2 years ago
Read 2 more answers
Simplify the expression 3(9+4x−5). <br><br> ill give brainlist
Mazyrski [523]
12x+12 step by step below

6 0
2 years ago
Find tan(a) in the triangle<br><br> Any help will be appreciated thank you
Cerrena [4.2K]

Answer:

b 24/25

Step-by-step explanation:

SOHCAHTOA

tan is Opposite over Adjacent sides of the triangle from the perspective of angle A

so the opposite side was 24 and the adjacent side was 25

so the answer is 24/25 aka B

7 0
3 years ago
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