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nexus9112 [7]
3 years ago
11

63x 54 my table parner asked this question to see how this website works

Mathematics
2 answers:
natita [175]3 years ago
4 0
<span>63 * 54 is equal to 3402

If you need any help, write me a message.</span>
FromTheMoon [43]3 years ago
3 0
63 x 54 is 3402 . you want to line the numbers up putting 63 on top and 54 on the bottom . you then multiply 4 by 3 to get 12 you carry the one on the 6 . you then multiply 4 by 6 which is 24 but add the one that you carry . you get 63 x 4 = 252 . after that you ut a zero under the 2 . you then move onto the 5 . you multiply 5 by 3 which is 15 . you carry the one to the 6. you multiply 6 by 5 and then add the 1 . you get 63 x 50 = 3150 . you then add 31500 to 252 which is 3402 . 
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Find the common ratio for this geometric sequence.
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3 years ago
Task 1:
OleMash [197]

Answer:

maximum height is 4.058 metres

Time in air = 0.033 second

Step-by-step explanation:

Given that the equation height h

h = -212t^2 + 7t + 4

What is the toy's maximum height?

Let us assume that the equation is a perfect parabola

Time t at Maximum height will be

t = -b/2a

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t = -7/ - 212 ×2

t = 7/ 424 = 0.0165s

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h = - 0.05778 + 0.115567 + 4

h = 4.058 metres

Therefore the maximum height is 4.058 metres

How long is the toy in the air?​

The object will go up and return to the ground.

At ground level, h = 0

-212t^2 + 7t + 4 = 0

212t^2 - 7t - 4 = 0

You can factorize the above equation and pick the positive time t since time can't be negative

Or

Since we have assumed that it's a perfect parabola,

Total time in air = (-b/2a) × 2

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3 0
3 years ago
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