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Stella [2.4K]
3 years ago
6

It is easy. I need help. I’ll mark brilliant!!!

Mathematics
1 answer:
Natalija [7]3 years ago
6 0

Answer:

256.4

Step-by-step explanation:

\frac{1}{3}\pir^{2}h

3.14 x 25 = 78.5

78.5 x 9.8 = 769.3

769.3 ÷ 3 = 256.433333

256.433333 ≈ 256.4

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A man jogs at a velocity of 2.5 m/s west for 1,200 s. He then walks at a velocity of 1.0 m/s east for 500 s and then stops to re
Vinvika [58]

Answer:

The displacement is <u>2500 m</u> towards west.

Step-by-step explanation:

Taking west as negative direction and east as positive direction.

Velocity of man jogging west = -2.5 m/s

Time he traveled towards west = 1,200 s

Displacement in west direction = Velcoty \times time=-2.5\ m/s\times 1200\ s=-3000\ m

Velocity of man jogging east = 1.0 m/s

Time he traveled towards east = 500 s

Displacement in west direction = Velcoty \times time=1.0\ m/s\times 500\ s=500\ m

Total displacement can be calculated by finding the sum of displacement.

Total displacement = -3000\ m+500\ m=-2500\ m

Since, the resultant displacement is negative, so the displacement is 2500 m towards west.

4 0
3 years ago
Which expresion has a valume of 7/12
riadik2000 [5.3K]

Answer:

1/1 x 7/1 x 1/12

Is there any options?

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Factor 9x-12xy plss help thx
xenn [34]
The answer is 3x(3-4y)
If this answer helped you please consider making this answer brainliest :)
5 0
3 years ago
Which product will be neither positive nor negative?
shusha [124]

Answer:

C. -13x0

Step-by-step explanation:

-13x0 will not give you a negative or positive number. This is because any number time 0 gives you 0, and zero is the only number that is neither positive nor negative. Every other expression will give you a nonzero number, which must be positive or negative.

8 0
3 years ago
The FBI wants to determine the effectiveness of their 1010 Most Wanted list. To do so, they need to find out the fraction of peo
Murrr4er [49]

Answer:

The proportion of people who were caught after being on the 1010 Most Wanted list would be 40.81%.

Step-by-step explanation:

Since the FBI wants to determine the effectiveness of their 1010 Most Wanted list, and to do so, they need to find out the fraction of people who appear on the list that are actually caught, supposing a sample of 517517 suspected criminals is drawn, and of these people, 211211 were captured, to estimate the proportion of people who were caught after being on the 1010 Most Wanted list using this data, the following calculation must be performed:

517,517 = 100

211,211 = X

211,211 x 100 / 517,517 = X

21,121,100 / 517,517 = X

40.81 = X

Therefore, the proportion of people who were caught after being on the 1010 Most Wanted list would be 40.81%.

4 0
3 years ago
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