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Nataly [62]
3 years ago
9

a bag is filled with 191 silver coins and 33 gold coins for what is the theoretical probability of pulling out a silver coin​

Mathematics
2 answers:
MArishka [77]3 years ago
7 0

Answer:

191/240\

Step-by-step explanation:

Alexxandr [17]3 years ago
3 0

Answer:

191/224

Step-by-step explanation:

1991+33= 224

191/224

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is it possible to have three points that would not fit on the same plane 2 dimensional surface? Why or why not
Alisiya [41]
<span>No. Three points could be the three points of a triangle. Triangles are two dimensional surfaces. Therefore, any three points could exist on a two dimensional triangle.</span>
3 0
3 years ago
Eugenia walked all the way to school at 3 mph then realized she forgot her math book (how could she?!), so she ran back at 7 mph
kondor19780726 [428]

Let us say distance between Eugenia's home and school is x miles.

Speed of Eugenia when she walked from home to school = 3 mph

Speed of Eugenia when she walked from school to home = 7 mph

Total time taken = 45 minutes or 0.75 hours

We know that the speed distance formula is given by:

speed=\frac{distance}{time}

time=\frac{distance}{speed}

Time taken by Eugenia when she walked from home to school = x/3 hours

Time taken by Eugenia when she walked from school to home = x/7 hours

Total time taken = x/3+x/7

So forming an equation we have,

\frac{x}{3}+\frac{x}{7}=0.75

Taking lcd of 7 and 3 as 21,

\frac{7x}{21}+\frac{3x}{21}=0.75

\frac{10x}{21}=0.75

10x=15.75

Dividing both sides by 10 , we have

x= 1.575

Answer: So we can say that the distance between Eugenia's house and school is 1.575 miles.




4 0
3 years ago
Subtract and simplify: 4y/y^2-10y+21-1/y-3
Eva8 [605]
OK...... your answer would be

- 10y^2 - 26y + 1/y
H0P3 It H3LPS :)
3 0
3 years ago
Solving multi-step equations 14v+6=2(5+7v)-6
Sphinxa [80]
The answer is no solution, if my math is correct.

7 0
3 years ago
There are 37 more cats than dogs in an animal shelter. If there are 78 cats at he shelter, how many dogs are there?
Sloan [31]
There are 41 dogs in the shelter
8 0
3 years ago
Read 2 more answers
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