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andrew-mc [135]
3 years ago
12

Determine the probability of the event, given the following information. Express as a reduced fraction.

Mathematics
1 answer:
Travka [436]3 years ago
7 0

Answer:

2/75

Step-by-step explanation:

6 of the 30 pens are green, so the probability of selecting a green pen is 6/30 = 1/5.

The pen is then replaced, so there are still 30 pens in the drawer.  4 of the pens are black, so the probability of selecting a black pen is 4/30 = 2/15.

The probability of both events is therefore 1/5 × 2/15 = 2/75.

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UDISJKDFJSFJDGLFS HELP
zhuklara [117]

Answer:

I think E

Step-by-step explanation:

You know the shortest building is 25 m.

to find the rest, use trigo so Tan(20)=opposite/adjacent.

Adjacent is 50. Do the math and add the answer with 25.

4 0
3 years ago
Read 2 more answers
A car is traveling at a steady speed. It travels 1 and one half
OLga [1]

Step-by-step explanation:

1.5 mi = 2 and 1/4 min

In 43 minutes:

43 ÷ 2.15 = 20             2.15 = 2 and 1/4 min

Now you have to multiply 1.5 by 20

1.5 x 20 = 30

In 1 hour (60 minutes):

60 ÷ 2.15 = 27.9

Now you have to multiply 1.5 by 27.9

1.5 x 27.9 = 41.85

Hope this was helpful :)

6 0
4 years ago
PLEASE HELP !!!! ILL GIVE BRAINLIEST !!!
luda_lava [24]

Answer:

113

Step-by-step explanation:

8 0
3 years ago
If 60% of the registered voters cast 270,000 votes in an election how many registered voters are there. In another election 70%
quester [9]
60% of 270,000 is 162,000. 70% of 315,000 is 220,500. There is 58,500 more at the second election than the first.
3 0
3 years ago
Can someone tell me how to do this! #2 & #4
torisob [31]
2) The area is 1.1 m^2 because to find the area the formula is width*length. SO you would separate it. It would be 0.9 * 1 = 0.9 and 0.4 * 0.5 = 0.2. Then you add it together. So it would be 1.1 m^2. The perimeter is all the sides added together so 4.2 m, but it says mm so you have to convert it and you get 4200.
4) Area is 1.16 cm^2. Again you would seperate it. So, 1 * 1 = 1 and .2 * .8 = .16. Then you add it together and get 1.16 cm^2. The perimeter is all the sides added up. You get 4.2 cm. 
8 0
3 years ago
Read 2 more answers
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