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lina2011 [118]
2 years ago
6

Pls help for brainlis

Mathematics
1 answer:
kodGreya [7K]2 years ago
6 0

Answer:

C) 3.96

Step-by-step explanation:

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The volume of a cube is 125 cubic meters. What is the length (in meters) of one edge of the cube?
drek231 [11]

Answer:

the length of the edge of a cube with a volume of 125 is 5.

Step-by-step explanation:

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3 years ago
Find each percent of change. Round to the nearest whole percent. State whether the percent of change is an increase or a decreas
alexdok [17]
This is an increase and it increased by 40% because the difference between 140 and 100 is 40 which is 40% of 100.
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3 years ago
A student had 500 milliliters of water in a water bottle. She drank 25% of the water before soccer practice. After practice, she
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Answer:

250mL

Step-by-step explanation:

500 * 0.75 = 375

375 * 2/3 = 250

5 0
3 years ago
American kestrels live in More Mesa near your professor’s house. Suppose that there are 100 birds, of which a random sample of s
Ulleksa [173]

Answer:

P(X=3) = 0.2013

Step-by-step explanation:

After taking and tagging the first 20 birds, then we have a proportion of 20% of tagged birds within the population, that is

p=\frac{n}{N}

p=\frac{20}{100}=0.20

Supposing that the probability (0.20) of capturing a bird <em>remains constant</em>, we may resolve it as it follows:

Capturing 10 birds can be considered as a binomial experiment with a success probability p = 0.2

Let, P(X=x)=nCx*p^{x}*(1-p)^{n-x} be the expression of the binomial distribution, for our case we have:

p=0.2

x = 3

n=10

Then,

P(X=3)=10C3*0.2^{3}*0.8^{10-3}

P(X=x)=0.2013

Therefore, the probability that exactly 3 of the 10 birds in the new sample were previously tagged is 20.13%

5 0
3 years ago
3^-2 as a fraction need help
RSB [31]

Answer:

Step-by-step explanation:

8 0
3 years ago
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