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Umnica [9.8K]
3 years ago
14

Suppose a tennis player hits a ball over the net. The ball leaves his racket 0.5m above the ground. The equation h = -4.9t2 + 3.

8t + 0.5 gives the ball's height h in meters at time t in seconds.
Mathematics
1 answer:
garik1379 [7]3 years ago
5 0
Whats the bloody question
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The radius of the circle above is 36 mm. What is the circumference of the circle? (Use = 3.14.)
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4 0
3 years ago
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Which of the following is a geometric sequence? 3, 6, 12, 24, … 4, 8, 12, 16, … 2, 4, 16, 256, …
Svetlanka [38]

Answer:

The geometric sequence would be 3, 6, 12, 24 . . .

Step-by-step explanation:

A <u>geometric sequence</u> is when the you find the next term in the sequence by multiplying by a <em>common ratio</em>. (A common ratio is the constant value that you <em>multiply</em> by each time in a geometric sequence.) In order to solve your problem, you would find the relationship between each term in the sequence. For the first sequence, 3, 6, 12, 24, etc., you can see that the ratio between one term and the next would be two: 3×2 = 6, 6×2 = 12, 12×2 = 24, and so on. This makes it a geometric sequence, but you still need to check the other sequences to make sure. For the sequence 4, 8, 12, 16, . . . , you need to add four each time. This means that the sequence has a <em>common difference</em>, or the constant value you <em>add or subtract</em> by in an <u>arithmetic sequence</u>. So, we know that the second sequence is not the answer. Finally, we check the last sequence, and if you look at it you can see that the you square the previous term to get the current one. This is different from a geometric sequence, and has a different name. However, it is not a geometric sequence because you are not multiplying by the <em>same</em> value each time (it doesn't have a common ratio). So, the first sequence, 3, 6, 12, 24, . . . , is a geometric sequence.

7 0
3 years ago
If u can see the ss HELP
romanna [79]
I think the answer would be -14
4 0
3 years ago
Read 2 more answers
If 60% of a KNOWN NUMBER is 180, what is the 40% of that UNKNOWN NUMBER?
Lana71 [14]

Step-by-step explanation:

I think you mean you want to find out 40% of a number,, when 60% of it is 180, so I'll answer that:

60% = 180

÷6

10% = 30

x4

40% = 120

(if you want to find 100%, multiply 30 by 10)

Hopefully this helps :)

4 0
3 years ago
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