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belka [17]
2 years ago
11

PLZ ANSWER THIS QUICK! THANK U!!

Mathematics
1 answer:
vampirchik [111]2 years ago
4 0
There is 33 students in the class
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You and a friend want to know how much rope you need to climb a large rock. your friend is 5.5 feet tall and casts a shadow that
Neko [114]
The concept useful in finding the answer to this item is ratio and proportion, the ratio of the height of your friend with the shadow casted should be proportional to the height of the rock with the length of the shadow it cast. That is,
                       5.5 ft / 18 ft = x ft/ 209.5 ft
The value of x from the equation above is 64 ft. 
4 0
3 years ago
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a marble was randomly selected from a bad containing 3 red marbles , 3 blue marbes and 3 green marbles . what is the probability
galina1969 [7]

Answer:

\frac{1}{3}

Step-by-step explanation:

If there are 9 marbles in total and the desired outcome is to pick a green marble then the probability is \frac{desired outcome}{totaloutcomes} = \frac{3}{9} which simplifies down to a third.

8 0
3 years ago
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Can someone help it’s a test
asambeis [7]

Answer:

B

Step-by-step explanation:

45-45-90 rt. triangle

6 0
2 years ago
The fish population of Lake Collins is decreasing at a rate of 3% per year. In 2004 there were about 1,300 fish. Write an expone
Sergeu [11.5K]
For this case we have a function of the form:
 y = A * (b) ^ x
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 b: decrease rate
 x: time in years
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 y = 1300 * (0.97) ^ x

 For 2010 we have:
 y = 1300 * (0.97) ^ 6

y = 1083
 Answer:
 an exponential decay function to model this situation is:
 
y = 1300 * (0.97) ^ x
 The population in 2010 is:
 y = 1083
6 0
3 years ago
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Place the steps to solve 2(x + 3) - 5x > 18 in order.
lakkis [162]

Answer:

-4

Step-by-step explanation:

That's the answer above

8 0
2 years ago
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